Series 50 Fetal Monitors
Series 50 A (M1351A)
Series 50 IP-2 (M1353A)
S E R V I C E A N D I N S T A L L A T I O N G U I D E
M1353-9000J
Printed in Germany April 2002
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Printing History
New editions are complete revisions of the manual. Update packages, which are issued
between editions, contain additional and replacement pages to be added to the manual. The
dates on the title page change only when a new edition or a new update is published.
Edition 1: June 1992
Edition 2: August 1993
Edition 3: February 1995
Edition 4: March 1997
Edition 5: February 1998
Edition 6: May 2000
Edition 7: April 2002
2002 Philips Medizinsysteme Böblingen GmbH
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright holder.
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Contents
1. General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
What to do Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Repair Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Conventions and Symbols Used in this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Claims for Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Repacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Major Keys and Parts at a Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Monitor Control and Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
M1351A Single Ultrasound Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
M1353A Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2. Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Recorder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Combined Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Modem Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Transducers and Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Brown Toco Transducer (M1355A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Blue1 Ultrasound Transducer (M1356A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
MECG Transducer (M1359A). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DECG/MECG Patient Module (M1364A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3. Installing the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Fitting the Monitor to a Surface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
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Cart-mounted Paper Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Fitting the Barcode Reader Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Configuring the Monitor Using Barcodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Installing the Service Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Loading the Service Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Time and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Paper Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
M1351A (M1353-66501 and M1353-66511) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Frontend Board for M1353A (M1350-66517) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Power Supply Board (M1353-66502) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
CPU Board (M1353-66503 and M1353-66513) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Display Board (M1350-66520) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Recorder Interface Board (M1353-66510) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Interface Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Combined Interface Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
7. Tests and Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Parameter Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
FSpO2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
8. Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
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Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Error 500: General Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Error 501, 511, 512, 516, 517: Front End Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Error 502: Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Error 503 and 513: CPU Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Error 510: Recorder Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
Error 531: Combined Interface Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Error 532: Modem Interface Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81
Error 70: Modem Not Responding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
Error 77: Modem Transmission Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
Error 601: Paper Feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Error 610: No Loudspeaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Error 611: Loudspeaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Ultrasound Parameter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
DECG Parameter Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
MECG Parameter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Toco Parameter Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Maternal NIBP with the Dinamap 1846/8100 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Maternal NIBP with the COLIN Model BP-8800 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Fetal Pulse Oximetry with Nellcor N-400 or Compatible Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Paper Sensing Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
9. Preventive Maintenance,
Care and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Regular Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Accessory Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
Testing Ultrasound Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Testing Patient Modules (M1364A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
IUP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Safety Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
When to Perform Safety Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Test and Inspection Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
10. Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Fitting the Combined Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Connecting Peripheral Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .109
NIBP Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Maternal Measurements on the FHR Trace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Telemetry System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
80235A (OBMS), M1370A (ODIS), and OB TraceVue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
11. Replacing Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119
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Safety Test Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Service Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Monitor Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
MECG Transducer (M1359A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Toco Transducer (Brown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Ultrasound Transducer (Brown) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Front End Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
CPU Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Combined Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Modem Interface Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
On/Off Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Recorder Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Display Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Switch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Drawer Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Thermal Printhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Recorder Sensing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Stepper Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
A. Modem Interface Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Connecting Peripheral Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Barcode Reader Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
RS232 Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Setting the Patient ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Clearing Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Starting Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Displaying Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
viii
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List of Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Troubleshooting and Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Telephone Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Modem Setup Barcodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
B. Safety and Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
Spillage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
System Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Avoiding Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
C. Upgrade Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
Upgrade Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
Contents
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1
General Inform ation
Introduction
This guide tells you how to install, service, and repair an Series 50 A (M1351A) and an
Series 50 IP/IP-2 (M1353A) fetal monitor. Throughout this book, the M1353A is referred
to as the IP-2. This also covers the IP, unless stated otherwise. It describes the system
hardware and software, and tells you how to test the system and diagnose operating and
service problems.
It gives instructions for both the Series 50 A and the Series 50 IP/IP-2 monitors. The
features available on the monitor you are installing or servicing depend on which options
have been purchased. If your monitor does not have a described parameter, you can skip
that part of the instruction and move on to the next point.
W ho Should
Read This Guide
The manual is for anyone who services and repairs Series 50 A (M1351A) and Series
50 IP/IP-2 (M1353A) fetal monitors. You must understand English and be familiar with
current conventional technical terms.
W hat to do
Next
Familiarize yourself with the contents of this guide before attempting to install or service the
monitor.
Repair Strategy
Reading operating error messages and the error log helps you to determine whether a fault is
a hardware or software problem. Faults may be repaired by replacing a board when possible,
or exchanging the monitor. Repair or replacement of components on the boards should not
be attempted.
After any repairs you must carry out the following tests:
A series of preventive maintenance tasks and performance assurance tests must be carried
out regularly to ensure the proper functioning of the monitor: these are described in
Chapter 1 General Information
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Conventions and Symbols Used in this Guide
Conventions and Sym bols Used in this Guide
This guide uses the following conventions for notes, cautions, and warnings:
Warning
A warning alerts you to a potential serious outcome, adverse event or safety
hazard. Failure to observe a warning may result in death or serious injury to
the user or patient.
Caution
A caution alerts you to situations where special care is necessary for the safe
and effective use of the product. Failure to observe a caution may result in
minor or moderate personal injury or damage to the product or other
property, and possibly in a remote risk of more serious injury.
Note— A note calls your attention to an important point in the text.
On your monitor, this sign indicates that there is detailed
information in this book which you must read before
proceeding with your task
Equipotential Terminal
This symbol is used to identify terminals which are connected together, bringing various
parts of an equipment or system to the same potential, not necessarily being earth potential
(the value of potentials of earth may be indicated adjacent to the symbol).
Protective Earth Terminal
This symbol identifies the terminal for connection to an external protective earth.
2
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Initial Inspection
Initial Inspection
The monitor and any supporting options ordered are supplied packed in protective
shipping cartons. Before unpacking, visually check the packaging and ensure that there are
no signs of mishandling or damage.
Claim s for
Dam age
If the shipping cartons show signs of having been mishandled, contact the carrier and
arrange for his agent to make an inspection.
If any of the equipment supplied is damaged, you should contact both the carrier and your
local Philips Medical Service Organization. Arrangements will then be made for repair or
replacement, as appropriate.
Repacking
You are advised to retain the original packing carton and material. You will find it useful if it
becomes necessary to return a piece of equipment to Philips for service. If you need to
repack the equipment but cannot locate the original packing materials, Philips can advise
you on alternatives.
Chapter 1 General Information
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Overview
O verview
This guide describes three different Series 50 Fetal Monitor models:
M1351A Single Ultrasound model (with US and Toco channels).
M1351A Dual Ultrasound Twins model (with US1, Toco and US2 channels).
M1353A model (with US1, Toco and US2/ECG channels).
The M1351A single and double ultrasound model is for external monitoring of FHR and
uterine activity in the antenatal period from early gestation (approximately 20 to 25 weeks)
to term. The M1353A is for monitoring FHR, including twins, maternal heart rate and
uterine activity. FHR and uterine activity can be monitored externally in the antenatal
period from early gestation to term, and internally throughout labor and delivery. The basic
capabilities of the three models are summarized in the table below.
Table 1-1 Fetal Monitor Param eters
M1351A
Single
M1351A
Twin
Parameter
M1353A
Yes
Monitor FHR using ultrasound
Monitor twin FHRs using ultrasound
Monitor twins using DECG and ultrasound
Monitor FHR using DECG
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Monitor uterine activity using Toco ext
Monitor IUP
Monitor maternal heart rate
Detect fetal movements1
Mark events
Yes
Yes
Yes
Yes
Yes
Yes
Record nursing notes1
Transmission of fetal trace information1
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Fetal trace memory1
Interfacing to fetal pulse oximetry
1. May be ordered as an option for all models
4
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Major Keys and Parts at a Glance
1. Mains socket
2. Monitor on/off switch
3. Equipotential grounding point
4. Monitor on/off light
5. Display panel
6. Time and date key
7. Paper speed key
8. Test key
9. Recorder on/off light
10. Recorder on/off key
11. Event marker key (Alert acknowledge key)
12. Paper advance key
13. Loudspeaker
14. Battery compartment
15. Paper table
16. Service socket
17. Series 50 A: US2 Socket (not present on Single Ultrasound model)
Series 50 IP-2: US2/ECG Socket
18. Toco socket
19. Series 50 A: Single Ultrasound Model: US Socket
Double Ultrasound Model: US1 socket
Series 50 IP-2:US1 socket
20. Socket for remote event marker
21. Lock-release button
22. Combined interface module
23. Integrated carrying handle
24. Cable clamp
6
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Monitor Control and Display Panel
Monitor Control and Display Panel
Figure 1-2 Layout of the Monitor Control and Display Panel
1. Monitor On/Off Light.
M1351A Single
Ultrasound
Model
2. Telemetry Indicator. On when the Fetal Telemetry Receiver is connected and
switched on.
3. Function Key. Used to switch FMP and Fetal Alerting on and off.
4. US Display. Shows the FHR detected by the US transducer.
5. US Signal Quality Indicator. Indicates the quality of the signal detected by the US
transducer:
Green (optimum).
Yellow (fair to potentially poor).
Red (unacceptable).
6. US Speaker Light. On when you are hearing the US heartbeat.
7. US Volume Keys. Sets the volume and selects the US heartbeat.
8. Toco Display. Shows uterine activity.
9. Toco Baseline Key. Zeroes the Toco display and trace to 20 units.
M1351A Dual
Ultrasound
Twins Model
1. Monitor On/Off Light.
2. Telemetry Indicator. On when the Fetal Telemetry Receiver is connected and
switched on.
3. Function Key. Used to switch Twins Offset, FMP, and Fetal Alerting on and off.
4. US1 Display. Shows the FHR detected by the US1 transducer.
Chapter 1 General Information
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Monitor Control and Display Panel
5. US1 Signal Quality Indicator. Indicates the quality of the signal detected by the US1
transducer.
6. US1 Speaker Light. On when you are hearing the US1 heartbeat.
7. US1 Volume Keys. Sets the volume and selects the US1 heartbeat.
8. Toco Display. Shows uterine activity.
9. Toco Baseline Key. Zeroes the Toco display and trace to 20 units.
10. US2 Display. Shows the FHR detected by the US2 transducer.
11. US2 Signal Quality Indicator. Indicates the quality of the signal detected by the US2
transducer.
12. US2 Speaker Light. On when you are hearing the US2 heartbeat.
13. US2 Volume Keys. Sets the volume and selects the US2 heartbeat.
M1353A Model 1. Monitor On/Off Light.
2. Telemetry Indicator. On when the Fetal Telemetry Receiver is connected and
switched on.
3. Function Key. Used to switch Twins Offset, Logic, FMP, and Fetal Alerting on and
off.
4. US Display. Shows the FHR detected by the US transducer.
5. US1 Signal Quality Indicator. Indicates the quality of the signal detected by the US1
transducer:
6. US1 Speaker Light. On when you are hearing the US1 heartbeat.
7. US1 Volume Keys. Sets the volume and selects the US1 heartbeat.
8. Toco Display. Shows uterine activity.
9. Toco Baseline Key. Zeroes the Toco display and trace to 20 units (when monitoring
externally) or 0 units (when monitoring internally).
10. US2/ECG Display. Shows the FHR detected by the ECG transducer.
11. US2/ECG Signal Quality Indicator. Indicates the quality of the signal detected by the
ECG transducer.
12. US2/ECG Speaker Light. On when you are hearing the ECG heartbeat.
13. US2/ECG Volume Keys. Sets the volume and selects the ECG heartbeat.
8
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Accessories
Accessories
Series 50 A
(M1351A)
The following accessories are supplied as standard with the Monitor:
One external Toco transducer (M1355-60011).
One ultrasound transducer (M1356-60011) (or two with the Dual Ultrasound
Model).
Two reusable transducer belts (M1562A) (or three with Dual Ultrasound Model).
Three transducer knob adapters (M1356-43201).
One power cord.
One pack of paper:
M1910A (USA/Canada)
M1911A (Europe)
M1913A (Japan)
One bottle of gel: 40483A (Acquasonic gel)
One User’s Guide.
One Installation and Service Guide
One remote event marker (15249A).
Series 50 IP-2
(M1353A)
The following accessories are supplied as standard with the Monitor:
One external Toco transducer (M1355-60011).
One ultrasound transducer (M1356-60011).
One patient module M1364A with cables:
One DECG legplate adapter cable (M1362B)
One MECG adapter cable (M1363A)
Five spiral electrodes:
15133D Single spiral (USA).
15133E Double spiral (Europe).
Three reusable transducer belts.
Three transducer knob adapters (M1356-43201).
One power cord.
Equipotential grounding cable:
Chapter 1 General Information
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Accessories
8120-2961 (USA).
8120-4808 (Europe).
One pack of paper:
M1910A (USA/Canada)
M1911A (Europe)
M1913A (Japan)
One bottle of gel: 40483A (Acquasonic gel)
One Instructions for Use.
One Installation and Service Guide.
Docum entation The following documentation is available for the Series 50 A and Series 50 IP-2 fetal
monitors. Unless otherwise specified localized versions are available.
Technical Data Sheets: Contain features and benefits, technical specifications,
accessories, ordering, upgrading and re-ordering information.
Service Documentation: All service documentation is in English.
Instructions for Use: Detailed operating information, care and cleaning, and safety
requirements.
Video Tapes: 30-minute VHS video tapes demonstrating the Monitor.
Barcode Booklets: Labels and cards, and instructions on how to customize sheets of
nursing notes.
Digital Interface Protocol Specifications: Written as a programmer’s guide, describing
the data exchange between the Series 50 Fetal Monitors and an Information
Management System such as OB TraceVue. English only.
10
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Accessories
Options
The following accessories can also be supplied when the appropriate option is ordered.
Accessories
O ption
Model
Barcode Reader, including a reader and barcode booklet. This H15
Series 50 A and Series 50 IP
requires Option J10 or J15.
J101
Combined Interface Module for telemetry and obstetrical
surveillance systems (e.g. Philips OB TraceVue) and barcode
reader
Series 50 A and Series 50 IP
Series 50 A and Series 50 IP
J131
Combined Interface Module for telemetry and obstetrical
surveillance systems (e.g. Philips OB TraceVue), includes an
interface cable M1350-61609.
•
for Dinamap 1846 or
•
COLIN Press-Mate/Nippon Colin Listmini Model BP-
8800 NIBP Monitor
J141
J151
Combined Interface Module for telemetry and obstetrical
surveillance systems (e.g. Philips OB TraceVue), includes an
interface cable M1353-61614
Series 50 A and Series 50 IP
•
for Nellcor OxiFirst™ Fetal Oxygen Saturation Monitor
(N-400)
Modem Interface Module allows the transmission of fetal
trace data from a Series 50 A to a receiver (e.g., an OB
TraceVue system)
Series 50 A
Fetal Movement Profile
C02
C07
Series 50 A and Series 50 IP
Series 50 IP
IUP Pressure Transducer (CPJ840J5)
C082
Disposable IUP Catheter. This includes 1 x box M1333A
(containing 10 catheters) disposable intrauterine sensor-tip
pressure catheters and M1334A reusable connector cable
Series 50 IP
1. Options J10, J13, J14 and J15 cannot be fitted at the same time
2. Not available in all countries.
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Accessories
Accessories
O ption
Model
Service and Installation Guide
0B3
Series 50 A and
Series 50 IP
Installation and Operating Guide Video
0B5
Series 50 A and
Series 50 IP
•
•
VHS ⁄ NTSC
VHS ⁄ PAL
Wall mounting kit
1AB
1AC
1AD
2AE
Series 50 A and
Series 50 IP
Paper take-up tray1
Angled mounting kit
Series 50 A and
Series 50 IP
Series 50 A and
Series 50 IP
Mobile cart
Series 50 A and
Series 50 IP
1. Not compatible with the wall mounting kit.
12
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2
Technical Specifications
Monitor
Power
Requirem ents
The monitor is set for the correct voltage at the factory. Before you connect power, however,
ensure that the voltage label shows the correct setting for your country.
Operating Voltage:
Line Frequency:
Power Consumption:
Battery Type:
100V - 120V∼ or 220V - 240V (±10%).
50 to 60Hz ±5%.
25VA max.
2 x 1.5V (AA size). Lifetime > 1 year.
Environm ent
The monitor should be used in an environment which is reasonably free from vibration,
dust, corrosive or explosive gases, extremes of temperature, humidity, etc. It operates within
specifications at ambient temperatures between 0 and 55°C. Ambient temperatures which
exceed these limits can affect the accuracy of the monitor and cause damage to the
components and circuits. Allow at least 5cm (2in) clearance around the monitor for proper
air circulation.
Operating Temp:
Storage Temp:
0 to +55°C (32°F to 131°F).
-40 to +75°C (-40°F to 167°F), excludes transducers: -40 to
+60°C (-40°F to +140°F)
Relative Humidity:
5 to 95%.
W eight and
Dim ensions
Height:
Width:
Depth:
Weight:
115mm (4.5in).
340mm (13.4in).
308mm (12.1in).
5.74kg (12.6lb) (without transducers).
Chapter 2 Technical Specifications
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Monitor
Displays
Numerical Display M1351A Single
Ultrasound Model:
One heart rate display (orange) and one uterine activity display
(green).
M1351A Dual
Ultrasound Twins Model:Two heart rate displays and one uterine activity display.
M1353A Model:
Type:
Two heart rate displays and one uterine activity display.
7-segment LEDs (10mm).
FHR Range:
50 to 240 bpm.
Uterine Activity Range: -99 to +127 relative units.
Instrument Display Telemetry Mode is displayed if Option J10 is fitted and an or M1310A or 80240A Fetal
Telemetry System is connected and switched on.
M1351A Single
Ultrasound Model:
One signal quality indicator.
M1351A Dual
Ultrasound Twins Model:Two signal quality indicators.
M1353A Model:
Two signal quality indicators.
Inputs
M1351A Single
Ultrasound Model
US socket accepts the M1356A ultrasound transducer. Toco
socket accepts the M1355A Toco transducer. Socket for the
Remote Event Marker (15249A), and another for servicing. The
monitor automatically selects the correct operating mode.
M1351A Dual
Ultrasound Twins Model US1 and US2 sockets accept M1356A ultrasound transducers.
Toco socket accepts the M1355A Toco transducer. Socket for the
Remote Event Marker (15249A), and another for servicing. The
monitor automatically selects the correct operating mode.
M1353A Model
US1 socket accepts the M1356A ultrasound transducer. Toco
socket accepts the M1355A external Toco or the M1350A/
8040A compatible internal Toco transducer. US2/ECG socket
accepts either the M1356A ultrasound transducer, or the
M1364A DECG/MECG patient module or the M1357A
DECG or the M1359A MECG transducer. There is a socket for
the remote event marker (15249A), and another for servicing.
The monitor automatically selects the correct operating mode.
14
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Monitor
Ultrasound Mode System:
Frequency:
Pulsed Doppler oscillation.
998.4 kHz.
Repetition Rate:
3.2 kHz.
Ultrasound Intensity:
1.5mW/cm² average for each of the seven active surfaces.
Mode
External Labor Signal Range:
Offset Compensation:
0 to 127 units.
±200 units.
Internal Labor Signal Range:
-99 to +127 mmHg.
Patient Leakage Current: ≤10 µA
.
rms
Sensitivity:
40 µV/V/mmHg (M1348A).
5 µV/V/mmHg (M1334A and CPJ840J5).
Recorder
Mechanism:
3-channel, high-resolution (8 dots/mm) thermal array recorder
with paper-end detection.
Paper Speeds:
1, 2 or 3 cm/min.
Recording Time Per Pack
of Paper:
1 cm/min (25 h).
2 cm/min (12 h 30 min).
3 cm/min (8 h 20 min).
Paper Advance Speed:
Annotation:
24 cm/min (with automatic stop at the paper-end mark).
Time of day, date, and paper speed are printed automatically
every ten minutes. Monitoring mode is printed with every
alteration of parameter.
Paper:
Fanfold paper with numbered pages.
USA: 30 to 240 bpm @ 30 bpm/cm.
Other countries: 50 to 210 bpm @ 20 bpm/cm.
0 to 100 units @ 25 units/cm.
FHR Scale:
Labor Scale:
Chapter 2 Technical Specifications
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Monitor
Self-Test
Facilities
Self-test facilities include:
System test:
With no transducers connected (includes a display and recorder
test).
Parameter test:
With the appropriate transducer connected, the monitoring
mode (ultrasound or uterine activity) is tested.
Com bined
Interface
Module
Telemetry:
System:
Either
M1310A Fetal Telemetry System.
M1383A/B/C OB TraceVue.
Barcode Reader:
SmartWand.
or
Maternal NIBP Monitor: Dinamap 1846/8100.
COLIN Press-Mate /Nippon Colin Listmini Model BP-8800.
or
Nellcor OxiFirst Fetal Oxygen Saturation Monitor (N-400) or
compatible.
Modem
Interface
Module
Modem:
Interface socket for an Philips-approved PCMCIA card modem.
Local fetal trace storage.
Fetal Trace Memory:
Barcode Reader:
Smart Wand.
RS232 Serial Interface: For internal use only.
Rem ote Event
Marker
(15249A)
Length:
Weight:
2.8m/9ft 2in.
75g/2.65oz.
16
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Transducers and Cables
Transducers and Cables
Transducers can be stored at temperatures between -40 and +60°C.
Brown Toco
Transducer
(M1355A)
System:
Passive Straingauge.
0 to 12N (overload protected).
180g/6.3oz.
Dynamic Range:
Weight:
Cable Length:
2.5m/8ft 2in.
Blue1 Toco
Transducer
(M1355A)
System:
Passive Straingauge.
Dynamic Range:
Weight:
0 to 12N (overload protected).
180g/6.3oz.
Cable Length:
2.5m/8ft 2in or 0.7m/2ft 3in.
Brown
System:
Pulsed Doppler.
998.4kHz.
Ultrasound
Transducer
(M1356A)
Oscillator Frequency:
Weight:
185g/6.5oz.
Cable Length:
Size:
+ 2.5m/8ft 2in.
75mm/2.95in diameter.
Blue1
System:
Pulsed Doppler.
Ultrasound
Transducer
(M1356A)
Oscillator Frequency:
Weight:
998.4kHz.
185g/6.5oz.
Cable Length:
Size:
2.5m/8ft 2in or 0.7m/2ft 3in.
75mm/2.95in diameter.
1. Indicates transducer is waterproof.
Chapter 2 Technical Specifications
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Transducers and Cables
DECG
Transducer
(M1357A)
Input Impedance:
CMRR:
>10MΩ (differential, dc to 50/60Hz).
>110dB (with patient cable, 51.5kΩ/0.047µF imbalance at line
frequency).
Noise:
<4µVp (referred to input with 25kΩ).
Contact Potential
Tolerance:
±400mV.
Input Voltage Range:
20µVp to 3mVp.
Patient Leakage Current: <10µArms @ 120V/60Hz.
Patient Auxiliary Current:<0.1µA (dc).
Dielectric Strength:
1500Vrms (spark-gap protected).
Weight:
185g/6.5oz.
Cable Length:
2.5m/8ft 2in or 0.7m/2ft 3in.
MECG
Transducer
(M1359A)
Input Impedance:
CMRR:
>10MΩ (differential, dc to 50/60Hz).
>90dB (with patient cable, 51.5kΩ/0.047µF imbalance at line
frequency).
Noise:
<4µVp (referred to input with 25kΩ).
Contact Potential
Tolerance:
±400mV.
Input Voltage Range:
80µVp to 4mVp.
Patient Leakage Current: <10µArms @ 120V/60Hz.
Patient Auxiliary Current:<0.1µA (dc).
Dielectric Strength:
1500Vrms (spark-gap protected).
Weight:
175g/6.2oz.
Cable Length:
2.5m/8ft 2in.
DECG/MECG
Patient Module
(M1364A)
The patient module has a 7-pin ECG connector into which you can plug either DECG
cable (M1362A or B) or MECG cable (M1363A).
Overall length: 2706mm (+30, -100mm)
Length of free cable: 2618mm (+30, -100mm)
Weight: 120 grams
Size: 88x42x30mm
Socket: DECG or MECG connection
18
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Transducers and Cables
DECG Cable
(M1362A)
Cable weight: 22 grams
Cable Length: 666mm +/- 30mm
DECG Adaptor
Cable (M1362B)
Cable weight: 35 grams (approx.)
Cable Length: 77cm (approx.)
MECG Cable
(M1363A)
Cable weight: 16 grams
Cable Length: 606mm +/-30mm
M1364A With DECG
Cable M1362A
Patient Leakage Current: 120V at 60Hz, 10µA rms
Patient Auxiliary Current: < 0.1µA (dc)
Dielectric strength: 1500Vrms spark gap protected
Input Impedance: > 10MΩ
CMRR: with patient cable, 51.5kΩ/0.047µF imbalance at line frequency > 110dB
Noise: (referred to input with 25kΩ) < 4µVp
Contact Potential Difference: ±500mV
Input Voltage Range: 20µVp to 3mVp
M1364A With
MECG Cable
M1363A
Patient Leakage Current: 120V at 60Hz, 10µA rms
Patient Auxiliary Current: < 0.1µA (dc)
Dielectric strength: 1500Vrms spark gap protected
Input Impedance: > 10MΩ
CMRR: with patient cable, 51.5kΩ/0.047µF imbalance at line frequency > 80dB
Noise: (referred to input with 25kΩ) < 4µVp
Contact Potential Difference: ±500mV
Input Voltage Range: 80µVp to 4mVp
IUP Q uartz
Transducer
(1290C option
J05)
Dynamic Range:
-50 to 300mmHg.
Sensitivity:
5µV/V/mmHg.
Non-linearity:
Whichever is greater: ±1% of the reading or ±1mmHg.
Volume Displacement: 0.2mm³/100mmHg.
Weight:
180g/6.3oz.
3m/9ft 10in.
66mm/2.6in.
Cable Length:
Length:
Chapter 2 Technical Specifications
19
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Transducers and Cables
Width:
37mm/1.5in.
21.7mm/0.9in.
15 to 40°C.
Height:
Operating Temp:
IUP Pressure
Transducer
(CPJ840J5)
Pressure range:
-20 to + 300 mm Hg
Max. overpressure:
Sensitivity:
10,000 mm Hg
5µV/V/mmHg
Resonance frequency:
Max. electrical excitation:
Bridge resistance:
300 Hz typical (transducer and dome)
15 V DC or AC
1000 Ohms (input and output)
Non-linearity and hysteresis: max. 0.5% of full scale
Zero balance: max. 0.15 mm Hg/°C
Operating temperature range: +10 to +50°C
Storage temperature range:
Isolation resistance:
Leakage current:
Weight:
-20 to +70°C
min. 1000 MOhms
max.1.5mA at 250V, 50 Hz
24 grams (without cable)
Equipment specified
Connector:
20
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3
Installing the Monitor
Fitting the Monitor to a Surface
The monitor can be mounted on (but not fixed to) an existing surface.
Fitting the Monitor to the Angle Mount
To fit the monitor to the angle mount:
1. Holding the monitor at a slight angle, put the front feet into the holes (A).
2. Lower the monitor till the back feet “click” into the holes (B). Make sure that all four
feet are located firmly in place.
Figure 3-1 Fitting the Monitor to the Angle Mount
To remove the monitor from the angle mount hold the monitor in both hands, press both
lock-release buttons (C) simultaneously and remove the monitor from the angle mount.
The lock mechanism may break if it is not fully released!
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Fitting the Monitor to a Wall
Fitting the Monitor to a W all
Before you can fit the monitor to the wall, you must first secure the mounting plate to the
wall. For details of how to fit this plate to the wall, refer to the instructions supplied with it.
To fit the monitor to the plate:
1. Holding the monitor at a slight angle, put the front feet into the holes (A).
2. Push the monitor upright till the back feet “click” into the holes (B).
Figure 3-2 Fitting the Monitor to the W all Mount
To remove the monitor from the plate:
1. Hold the monitor in both hands
2. Press both lock-release buttons (C) simultaneously and lift the monitor away from the
plate.
Figure 3-3 Rem oving the Monitor from the W all Mount
W all Mount
Dim ensions
The wall mount is a metal plate that measures:
Width:
Height:
Depth:
314mm (12.36 inches).
268 mm (10.55 inches).
26 mm (1.03 inches).
22
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Fitting the Paper Take-Up Tray
Fitting the Paper Take-Up Tray
To fit the paper take-up tray to the monitor:
1. Slide the tray between the guides (A) until the pins locate in the holes (B).
2. Pull the tray forward to lock it in place.
Figure 3-4 Fitting the Paper Take-Up Tray to the Monitor
To fit the paper take-up tray (Option 1AB) to the mounting plate:
1. Holding the tray at a slight angle, put the top edge in the slot on the plate.
2. Swing the tray down into place.
Figure 3-5 Fitting the Paper Take-Up Tray to the W all Mount
Cart-m ounted
Paper Tray
Attach the paper tray before installing the monitor on the angle mount. Slide the paper tray
into position so that the small hole in the attaching edge at the rear of the paper tray hooks
over the mounting projection in the angle mount itself. This secures the paper tray to the
angle mount.
Chapter 3 Installing the Monitor
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Carts
Carts
You can mount the Series 50 A and the Series 50 IP-2 fetal monitors on the CL, CM or CX
carts. Cleaning instructions for the carts and safety details are provided in the Carts
Equipment Note delivered with your cart.
Table 3-1 Carts: Specifications
Carts
Specifications
CL (M1323A) CM (M1324A) CX (M1325A)
Width (mm)
Depth (mm)
Height (mm)
Weight (kg)
514
625
805
24.2
614
625
989
50.6
614
625
1117
63.4
Table 3-2 Carts Replacem ent Parts
Replacem ent
Parts
Cart CL
Cart CM
Cart CX
Part num bers
(M1323A) (M1324A) (M1325A)
Wheels
M1324-42100
M1323-42075
M1324-68500
M1323-68450
5061-8340
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
Drawers
CAM Mounting
Arm Kit
Mounting Kit IUP
Pole
80310-68701
5061-8364
5061-8365
✘
✘
✘
✘
✘
✘
✘
✘
✘
Infusion Pole
Mount
Mounting Rail Kit
Fitting the Barcode Reader Holder
To fit the Barcode Reader holder (HBCS-2998) to the monitor or cart:
1. Using ethanol, clean the surface of the monitor or cart thoroughly.
2. Peel off the backing from the adhesive strip and press the holder firmly into place.
Before using the holder, allow 24 hours for the adhesive to set.
24
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4
Configuring the Monitor
Introduction
This chapter describes how to configure the monitor including time and date format, paper
speed, and IUP scale. You can configure the monitor using any of the following methods:
Pushbuttons
Barcode Reader
PC
Table 4-1Configuration Tasks
Task
Configure the time format
Barcode
Reader
Buttons
PC
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
Configure the date format
Configure the IUP format
Configure the paper format
Configure the recorder print offset
Configure the recorder heat adjust
Configure the language option
Marker for alert acknowledgement at Marker button
Configure note transmission on/off
Configure interface setting
Read the options installed
1.
Run the cyclic test
✘
2.
Run the permanent test
✘
✘
✘
Read the error log
Print the error log
✘
✘
✘
✘
✘
✘
Clear the error log
✘
✘
✘
Write the serial number and set the options
Enable fetal pulse oximetry interface
✘
✘
✘
✘
✘
✘
✘
Enable maternal blood pressure interface
Enable NST timer, paper out alert
✘
✘
✘
✘
✘
Chapter 4 Configuring the Monitor
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Configuring the Monitor Using Pushbuttons
Configuring the Monitor Using Pushbuttons
You can use the pushbuttons to set such settings as, time format, date format, IUP scale,
paper format, recorder scale offset, recorder heat, and language options.
To change a setting:
1. Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
2. While pressing
, press Test.
The display shows C01in the US1/US display and 0or 1in the Toco display.
3. Scroll through the menu by pressing the
or
key until you arrive at the
menu item you want to change. The menu items and their settings are shown in Table
4. Press the
key to change the setting (0or 1).
5. Press Test to store the new settings, or wait about 15 seconds without making any
keystrokes.
26
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Configuring the Monitor Using Pushbuttons
Table 4-2Configuration O ptions
Menu
Setting
Options
Default
C01
Time Format
Date Format
IUP Format
Paper Format
0=AM/PM
1=24-hour
0
0
0
0
0
C02
C03
C04
C05
C06
C07
0=Month/Day/Year
1=Day.Month.Year
0=mmHg
1=kPa
0=US (30-240)
1=Europe (50-210)
Recorder Print Offset 1.
Recorder Heat Adjust
0 to 11
0=right 1=left
0 to 11
0=minimum 11=maximum
11
1
Language Option
1=International
2=French
10=Japanese
13=Chinese simplified
C08
C09
C10
System Alert acknowledge at Marker
button
0=off
1=on
0
1
0
Note Output to System
0=off
1=on (Roman 8).
Combined Interface Module Settings2
0=Barcode Reader
1=Dinamap 1846/8100 NIBP Monitor
2=COLIN Model BP-8800 NIBP Monitor
3=Nellcor OxiFirst FSpO2 Monitor (N-400)
C11
C12
External Toco gain
0=100% External Toco gain
1=50%
0
4
NST Timer,
Paper-Out-Alert3.
C15
Remote Patient Data after phone
transmission
0=Clear remote patient data
1=Keep remote patient data
0
Print Error Log4.
A01
A02
A03
Clear Error Log4.
1. To find the correct setting, connect a resting Toco transducer (one that is not under any load) to the monitor and then change the
setting until the trace is recording 20 units on the paper. Because of the 15-second time-out feature, and the delay between chang-
ing the setting and seeing the change on the paper, you may have to repeat this procedure to set the offset.
2. The interface to an NIBP monitor is only available on the Combined Interface Module with the label M1353-66531,E.
3. The NST auto recorder off option switches the recorder off automatically (advancing the paper to the next perforation) once the
NST time set has passed.
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Configuring the Monitor Using Pushbuttons
Table 4-3 NST Tim er Paper-O ut-Alert
NST automatic
recorder off
Options
NST Timer
Paper-Out-Alert
0
1
2
3
4
5
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
✘
Note— After you put paper into the recorder, let it run for a few pages (use the
advance key) to allow the paper to align itself correctly to the right side.
Exam ples: How Example 1:
to Change the
Tim e Form at
and IUP Form at
using
To change the time format from AM/PM format to 24-hour format, do the following:
1. Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
2. While pressing
3. Press the
, press Test.
Pushbuttons
key to change the setting to 1.
4. Press Test to store the new settings.
Example 2:
To change the IUP format from mmHg to kPa, do the following:
Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
While pressing
, press Test.
Press
repeatedly until C03is displayed.
Press the
key to change the setting to 1.
Press Test to store the new settings.
28
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Configuring the Monitor Using Barcodes
Configuring the Monitor Using Barcodes
The time format, date format, IUP scale and paper format can be set using barcodes. To
select a setting using a barcode, read the required barcode from the separate Feature Setting
Sheet provided with the Barcode Reader Kit.
Configuring the Monitor Using a PC
The service program (M1360-68875) allows you to carry out various extended
configuration and service functions on the monitor. Contact your Philips Sales Office for
details.
The Software Program is supplied in a kit which contains:
3.5 inch disk containing the software.
Cable adapter for connecting to a PC.
The program can be run on an industry-standard PC. To use the program with a Vectra,
you must replace the adapter on the end of the cable with the one provided, and copy the
software onto a disk.
Figure 4-1 Cable for an Industry Standard com patible PC
Chapter 4 Configuring the Monitor
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Configuring the Monitor Using a PC
Installing the
Service
Program
Before you install the program, ensure that the serial port COM1 is set up as follows:
Transmission Rate
Parity
9600 BPS
None
Word length (bits)
Stop-bits
8
1
This is done by giving the mode command (mode com1:96,N,8,1) at the DOS
prompt. Refer to your MS-DOS Manual for details.
To install the program:
1. Switch on the PC.
2. Create a directory for the program files. For example, to create a directory called
service, at the DOS prompt type in:
md service
and press Enter.
3. Insert the program disk into drive A.
4. At the DOS prompt type A:and press Enter.
5. At the A:prompt, type:
copy pegserv.exe c:\service
and press Enter. Where service is the directory you created to contain the
program files.
The program is copied to c:\service
Make sure that the serial interface configuration on the PC is set up as follows:
Datacom-Configuration
Parameter
Serial
Transmission Rate (BPS)9600
Word Length (bits)
Stop-Bits
8
1
Parity
None
Off
%ON /%OFF Pacing
CTS Line
Regard
Regard
Ignore
Off
DSR Line
DCD Line
Power to Interface
30
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Configuring the Monitor Using a PC
Connecting the
PC to the
Monitor
Figure 4-2 Service Socket
Connect the cable from the COM1 port of the PC to the service socket (1).
Loading the
Service
Program
1. Switch on both the monitor and the PC.
2. Load the program by doing one of the following:
If the program files are contained in a directory, change to that directory and
enter:
pegserv
If you want to load the program from drive A: (or another drive)
i. Insert the program disk into drive A:
ii. Change to drive A:and enter:
pegserv
If you are using Windows 98/ NT: Start the service program by double-clicking
on the pegserv icon or on the filename pegserv-exe
3. The program is now loaded and ready for use.
Using the
Service
Program
When the program has been loaded onto your PC, the main menu is displayed. (If the
menu is not displayed, an error message is displayed along the bottom of the screen.)
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Configuring the Monitor Using a PC
Main Menu
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Main Menu
Configuration Settings
Recorder Adjustments
Service Menu
Exit
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
To select an item from the menu, move the cursor to the item you require and press Enter.
Use the keys on the keypad, or the E, S, D or X keys to move the cursor.
,
,
,
While the service program is working, messages maybe displayed along the bottom of the
screen. For example:
Reading Recorder Adjustments from the Monitor.
Reading Serial Number from the Monitor.
Clearing the Error Log.
Configuring the
Monitor
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Configuration Setting:
Function
:
Actual Setting is
US
AM/PM
US
Select
US EU
AM/PM 24h
Paper Scale :
Time Format :
Date Format :
US
EU
IUP Scale
:
mmHg
mmHG
kPA
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
To change a setting:
32
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Configuring the Monitor Using a PC
1. Using the appropriate keys, move the cursor to the selection you require.
2. Press Enter.
To return to the Main Menu:
1. Move the cursor to Return to Main Menu.
2. Press Enter.
Example
On the screen above, the actual setting of the paper scale is US. To change this to EU, move
the cursor to EUin the Selection:column and press Enter. The program will
reconfigure the monitor for the European paper scale.
Note— The actual settings on your monitor may be different from those shown.
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Configuring the Monitor Using a PC
Adjusting the The Recorder Heat-Adjust is to compensate for different tolerances in the paper.
Recorder
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Recorder Adjustments:
Recorder Heat Adjust:
Recorder Zero Adjust:
Return to Main Menu
Actual Value is:
Selected Value is
|
|
∨
|……………|
Min
Max
Actual Value is:
Selected Value is
|
|
∨
|……………|
Left Right
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
To change a setting:
1. Using the appropriate keys, move the cursor to the selection you require.
2. Press Enter.
To return to the Main Menu:
1. Move the cursor to Return to Main Menu.
2. Press Enter.
Example
On the screen above, the actual value of the Recorder Zero-Adjustis closer to the
left side. If this is not printed exactly on 20on the Toco channel, then you must realign the
Selected Value is:to the right or to the left and then press Enter. The program
will adjust the recorder accordingly.
Note— The actual values on your monitor may be different from those shown.
34
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Configuring the Monitor Using a PC
Service Menu
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Service Menu
Serial Number
Software Revision
: 2948G00010
: A.02.03
Cyclic Test
Read options
Read ErrorLog
Clear ErrorLog
Write Ser.nr./Set Options
Fetal Heart Rate Alerting
Return to Main Menu
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
To select an item from the menu, move the cursor to the item you require and press Enter.
However, before you select Cyclic Test, connect ultrasound, Toco and DECG
transducers to the monitor.
Note— The serial number and software revision of your monitor may be different
from those shown.
Running the Cyclic Test
This runs a continuous Self Test. Any errors are written to the Error Log and can be read
using Read ErrorLog. Press any key to stop the test and return to the Service Menu.
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
CYCLIC TEST is started
It starts a continuous self test of the monitor
Press any key to stop this test
Read ErrorLog to see the errors that occurred while self testing
MESSAGE:
Note— During the test, the keys on the front panel are disabled.
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Configuring the Monitor Using a PC
Reading the Options
This lists the options installed on the monitor. Press any key to return to the Service Menu.
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Implemented Options :
- Fetal Movement Profile
- External Twin Monitoring
MESSAGE:
Press any KEY to continue!
Note— The options on your monitor may be different from those shown.
36
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Configuring the Monitor Using a PC
Reading the Error Log
> PAGE 1 <
Errorlog of : 2948G00010
Err. Count 1st Date+Time last Date+Time
Code nnnn yy/mm/dd HH:MM yy/mm/dd HH:MM
|-| |--| |------.----| |------.----|
Use >W< to Write ErrorLog Data to File >ErrLog.DAT<
use CursorKey >Down< or >X< to see next Page, <ENTER> to leave
Up to 16 error messages can be displayed on a screen. To see the next or previous screen, use
the
or
keys on the keypad, or the E or X keys. At the end of the Error Log, No
more Data availableis displayed.
Press SHIFT and PrtSc to print a page on LPT1.
Press Enter to return to the Service Menu.
To write the error log data to a file, press the W key. The data is then stored as
ERRLOG.DATin the directory containing PEGSERV.EXE. The data is stored as ASCII
characters, and therefore the file can be printed using the DOS Command print
ERRLOG.DAT. The file is overwritten each time you press the W key.
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Configuring the Monitor Using a PC
Printing the Error Log
To print the error log, complete the following steps:
1. Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
2. Switch on the recorder.
3. Press
and Test at the same time:
C01is shown in the US1/US display.
0or 1is shown in the Toco display.
4. Press
again to select the Service Function Menu:
A01(Print the Error Log) is shown in the US1/US display.
5. Press
to print the error log. The display shows: nnn nnn nnn
The following table lists the error log and permanent test functions, and their
corresponding menu numbers.
Table 4-4 Service Function Menu Num bers and Error Log Functions
Menu No.
Function
Print the Error Log
A01
A02
A03
Clear the Error Log
Start the Permanent Test
503
510
504
506
FIC
C1C4
C146
0001
91/05/12 17:33
91/05/12 17:36
91/05/12 17:33
91/05/12 17:36
91/05/12 17:33
91/05/17 10:45
91/05/12 17:33
91/05/17 10:45
0010
0001
0010
0001
000A
91/05/12 17:33
91/05/12 17:36
91/05/12 17:33
91/05/17 10:45
02/18/91 A.01.00 M1351A 3028G00203
Figure 4-3 Exam ple of an Error Log
38
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Configuring the Monitor Using a PC
The error log lists the following (above the line and left to right):
Error code.
Number of times the error has occurred (the error counter uses hexadecimal
notation).
Date and time the error first occurred.
Date and time the error last occurred.
Factory Information Code (FIC).
The error log lists the following (below the line and left to right):
Present date.
Software revision number.
Type of monitor.
Serial number of monitor.
Note— If the characters FICare printed without other information, do not take any
action. The information contained in the FICsection is additional
information for internal use only. If you have a technical problem, contact
the Philips support organization.
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Configuring the Monitor Using a PC
Clearing the Error Log
To clear the error log, complete the following steps:
1. Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
2. Press
and Test at the same time:
C01is shown in the US1/US display.
0or 1is shown in the Toco display.
3. Press
again to select the Function Menu:
A01(Print the Error Log) is shown in the US1/US display.
4. Press
5. Press
to select A02(Clear the Error Log).
to clear the error log.
The confirmation message Are You Sure?asks if you do want to clear the error log:
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Service Menu
Serial Number
Software Revision
: 2948G00010
: A.02.03
Cyclic Test
Read options
Read ErrorLog
Clear ErrorLog
Are you sure?
Write Ser.nr./Set Options
Fetal Heart Rate Alerting
Return to Main Menu
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
Press the Y key to clear the error log
or
Press the N key.
You then return to the Service Menu.
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Configuring the Monitor Using a PC
Writing/Resetting the Serial Number and Setting the Options
Note— You can write the serial number to the monitor only if you have replaced the
CPU Board with an exchange board. If you have accidentally entered the
wrong serial number, you can reset it using an access code available from
your Philips Medical Response Center or from the Philips Technical
Marketing information "Softserver" page on the Philips Intranet.
The serial number can only be written once to the exchanged board with
each access code.
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Service Menu
Type in 10 alphanumerics from Serial Number - Label and press >ENTER<
MESSAGE:
To write the serial number:
1. Using the keyboard, type in the serial number of the monitor. (This is printed on the
side of the monitor.)
2. Press Enter.
A confirmation message asks if the serial number is correct:
If it is correct, press the Y key.
If it is not correct, press the N key and retype the serial number.
You then go to the Set Optionsscreen.
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Configuring the Monitor Using a PC
To select an option:
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
Select Options according to the labels on the monitor
Option:
Actual Setting is:
OFF
OFF
Selection:
OFF ON
OFF ON
#C.01 TWIN:
#C.02 FMP:
Write Options
MESSAGE:
Select with >cursor keys< or >E, S, D, X< then press <ENTER> to execute!!
1. Using the appropriate keys, move the cursor to the selection you require.
2. Press Enter.
To write the options to the monitor and return to the Main Menu:
1. Move the cursor to Write Options.
2. Press Enter.
A confirmation message asks if the selected options are correct.
The following shows the resetting screen that is displayed when you need to reset the serial
number:
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
NOTE: resetting the Serial Number is protected by Access Code
Serial Number 3151G00026
:
Type in 4 digit code from factory TME and press <ENTER>
>----<
MESSAGE:
Contact your Philips Medical Response Center for your access code. Make sure you have
the serial number of the original CPU board available.
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Configuring the Monitor Using a PC
FHR Alerting Enable/Disable
This screen enables you to enable or disable the fetal heart rate alerting.
In order to change this configuration, you must enter the access code. You can obtain this
code from your Philips Medical Response Center or from the Philips Technical Marketing
page "Softserver" on the Philips Intranet. (There is a specific access code to enable the
alerting, and a specific access code to disable the alerting.)
To enable or disable the alerting, enter the specific code to enable or disable the alerting.
Series 50 Fetal Monitor Configuration and Service Software Rev A.nn.nn
NOTE: Changing the Alert Option is protected by Access Code !
Alert Option is ENABLED. Do you want to DISABLE the Alert option?
Press <Y> for YES or <N> for NO!
MESSAGE:
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Error Log Messages
Error Log Messages
Table 4-5Error Log Messages
Message
Location of Error and Solution
Err 18
Incorrect type of paper loaded (same as Err PAP).
Replace with recommended paper.
Err 19
Err 70
Battery low or empty of charge (same as Err bAt).
Change the batteries as soon as possible.
Modem not responding.
Modem is either not installed, incorrectly installed, faulty or not an approved
model.
Err 77
Error during transmission of data.
Probably due to external sources. Retransmit the data.
Err 500
General failure - no specific location.
Err501,
513
Front End Board (Single Ultrasound model).
Err 502
Err 503
Err 510
Err 511
Err 512
Err 531
Err 532
Err 601
Err 602
Err 610
Power Supply Board.
CPU Board.
Recorder Board.
Front End Board (Dual Ultrasound model).
Intrapartum Board.
Combined Interface Board.
Modem Interface Board.
Paper feed.
Incorrect type of paper.
Load paper with the correct scale or change the setting.
No loudspeaker, or fuse has blown.
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Error Log Messages
Table 4-5Error Log Messages
Message
Location of Error and Solution
Err 611
Err 800
Err 820
Err 888
Wrong loudspeaker impedance.
Software error: checksum wrong or download incomplete.
Reload the software.
Upgrade Key is for a different type of monitor.
Use the correct key.
No software upgrade done.
Disconnect transducers and telemetry first.
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Error Log Messages
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5
Setting Tim e, Date, and Paper Speed
Tim e and Date
To set the time and date:
Figure 5-1 Tim e and Date Paper Speed Controls
1. Press
to display the current time. The hour is shown in the US1/US display and
the minutes in the Toco display. The US1/US display flashes to show that the hour
can be changed.
2. Press
or
to set the hour. Press and hold the key to change the setting
more quickly.
3. Press
changed.
again and the Toco display flashes to show that the minutes can be
4. Press
or
to set the minutes.
5. Repeat steps 3 and 4 to set the month, day and year, and to return to the normal
display.
In North America, the month is shown in the US1/US display and the day in the Toco
display. In other countries, the day is shown in the US1/US display and the month in the
Toco display.
You also return to the normal display automatically if you wait eight seconds without
pressing a key. When you return to the normal display, the new time and date are set, and
the time, date and paper speed are printed on the paper.
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Paper Speed
Paper Speed
To set the paper speed:
Figure 5-2 Paper Speed Controls
1. Press
2. Press
3. Press
to display the current speed.
or to set the speed.
to return to the normal display.
You also return to the normal display automatically if you do not press any key for a
few seconds. When you return to the normal display, the new paper speed is set, and
the time, date, speed and monitoring modes are printed on the paper.
The paper speed can be 1, 2 or 3 cm/min. The default for North America is 3 cm/min; the
default for other countries is 2 cm/min.
Note— The ACOG technical bulletin on FHR monitoring states that “accurate
pattern recognition is difficult if not impossible at 1 cm/min and that 1 cm/
min is only recommended for more economic screening. When FHR
abnormalities arise, the faster paper speeds will enhance FHR pattern
recognition”. In addition, since a change in paper speed will result in a
change in the appearance of an FHR trace, care must be taken to ensure ALL
monitors in your institution are consistently set at the same speed or speeds.
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System Overview
6
Theory of O peration
System O verview
The boards and their interconnections are shown in the following figure.
The CPU board, which has overall control of the entire system, contains flash EPROMs
containing all the system software. The software for the Combined Interface Board (if one is
fitted) is loaded from this ROM area.The signals from the transducers receive some analog
conditioning on the Front End Board and are then digitized on the CPU Board. The CPU
Board includes a digital signal processor. The results of the processing are distributed to the
outputs (for example, the Recorder, “traffic lights” and Combined Interface Board).
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Booting and Self Tests
Booting and Self Tests
The monitor carries out a basic test every time it is switched on, and then at periodic
intervals while it is on. There are two types of test:
Programs that check the hardware on each board.
Programs that carry out checksums on the individual portions of code that are loaded
from the Flash EEPROMs.
When the monitor is switched on, the initial reset generated by the power supply is fed to
the CPU Board, where it is latched and passed to the other boards. Each board latches the
reset to light its error LED. The LED can only be switched off by the CPU Board de-
latching it.
All error LEDs are on at the start of the tests. If a hardware error is detected on a board, its
error LED stays on and its error code is shown on the display. (The error code is the last
three digits of the board’s part number.) But note that if any element in the display chain is
not working, the errors may not be displayed. If a board passes its test, the LED goes out,
and the next board in the sequence is tested.
The Power Supply Board, Front End Board and Recorder Board have no processor and so
are tested by the CPU Board.
The boards are tested in the following sequence:
1. CPU Board.
2. Power Supply Board.
3. Front End Board.
4. Recorder Board.
5. Combined Interface Board (if one is fitted).
6. Modem Interface Board (if one is fitted).
The processor on the CPU Board runs a self-test program from the Flash EEPROMs to test
certain functions of the CPU Board:
If the test fails, the red LED stays on and “Err 503'' is displayed.
If the test is successful, the red LED on the board goes out.
The current limits of the outputs of the Power Supply Board are then checked:
If any currents are out of limits, ``Err 502'' is displayed. Note that this does not
necessarily mean that the Power Supply Board is faulty (for example, a short on
another board could be drawing too much current).
If the test is successful, the red LED on the CPU Board is switched off.
All other boards are then tested. The red LEDs on the Front End Board and the
Recorder Board are lit for about 1 s, and then switched off when the test is successful.
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Booting and Self Tests
The Combined Interface Board and the Modem Interface Board both have processors that
test the interface board once the DMA control logic has been checked.
The CPU Board boots a test program from the ROM to the on-board Digital Signal
Processor (DSP) program RAM. The DSP then runs it. The program tests the DSP and its
associated components, and writes the results to the DSP RAM. The CPU reads the RAM
to find out the exit status of the tests. If the test fails, the LED stays on and the error code is
displayed.
The signal processing software is stored as two programs in Flash EEPROMs. This carries
out US/US or US/ECG functions. The CPU Board transfers the US/US or US/ECG
program from its Flash EEPROMs to the program RAM of the DSP.
All the time the monitor is on, the CPU Board checksums the signal processing software
and the Flash EEPROMs at 1-minute intervals. If the tests fail, the system is reset and
rebooted. And every 300ms, a watchdog ASIC is fed patterns by the CPU Board 68000. If
the ASIC does not receive a pattern, it resets the system.
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Front End Board
Front End Board
M1351A
The Frontend board (M1353-66501 − single, M1353-66511 - dual) contains the analog
circuitry for measuring all the possible parameters of the M1351A. One IC on the board
provides the US timing and window control. Each type of transducer has a specific mode
resistor which is recognized by the M1351A when the transducer is connected to an input
socket. In this way, the user can be warned if a wrong transducer is connected. The marker
cable is also connected to the Front End Board.
(M1353-66501
and
M1353-66511)
The frontend boards used with software at Rev E and higher are triangular in shape, not
rectangular.
Ultrasound
The ultrasound transducer transmits 998.4kHz ultrasound bursts which are generated by
the digital control ICs. The burst widths are controlled by software. The transmitter
amplifier supplies 5Vpp_ at the Cardio sockets. The repetition rate is 3.2kHz. The received
998kHz signal is amplified by a high frequency amplifier with a gain of 120 and then split
to provide a reference path a and a compare path b. The two demodulators a and b are
independently controlled by software in their receive windows by the control ICs. The
demodulated LF signals are bandpass filtered (100 to 450Hz) and amplified by a software
controlled gain of 180 to 1860 in eight steps. The FMP-LF path is independently
demodulated, bandpass filtered and amplified by a factor of 18.
Toco
The excitation voltage is a biphase 2.4kHz rectangular continuous wave with an amplitude
of 5Vpp. The frequency is generated in the control chip by dividing the 4MHz system clock.
the sense input is amplified by 786 (5µ;V/V/mmHg), rectified with a synchronous detector
and lowpass filtered with a cut-off frequency of 7.5Hz.
M1353A
(M1353-66512)
Used in monitors with serial number prefix ≤ 3652G.
The Frontend board contains the analog circuitry for measuring all the possible parameters
of the M1353A. An IC on the board provides the US timing and window control, and
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Front End Board
controls the ECG. Each type of transducer has a specific mode resistor which is recognized
by the M1353A when the transducer is connected to an input socket. In this way, different
types of transducer can be used without the user having to recalibrate the system. The
marker cable is also connected to the Frontend Board.
apegblk5
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Front End Board
Frontend Board Used in monitors with serial number prefix ≤ 3720G.
for M1353A
(M1350-66517)
Figure 6-1 Frontend Board
The Frontend board contains the analog circuitry for measuring all the possible fetal
parameters of the M1353A. The FOCUS ASIC on the board provide the US timing and
window control, and controls the ECG.
Each type of transducer has a specific mode resistor which is recognized by the M1353A
when the transducer is connected to an input socket. In this way, different types of
transducer can be used without having to recalibrate the system.
ECG The FOCUS IC divides the 4 MHz system clock to generate a 181 kHz clock. A power
stage generates the power clock for the ECG transducers. The ECG signal modulates the
supply current of the transducer. The modulated current is detected, amplified and
bandpass filtered (1 - 250 Hz). Block DECG/MECG1 is unused.
US The US transducer transmits 998.4 kHz ultrasound bursts which are generated by the
FOCUS IC. The burst widths are controlled by software. The transmitter amplifier supplies
5 Vpp at the Cardio sockets. The repetition rate is 3.2 kHz.
The received 998 kHz signal is amplified by a high frequency amplifier with a gain of 120
and then split to provide a reference path a and a compare path b. The two demodulators a
and b are independently controlled by software in their receive windows by the FOCUS IC.
The demodulated LF signals are bandpass filtered (100 - 500 Hz) and amplified by a
software controlled gain of 180 to 1860 in eight steps. The FMP-LF path is independently
demodulated, bandpass filtered and amplified by a factor of 18.
TOCO The pins of the TOCO/IUP socket are electrically isolated, connected by three transformers
(excitation, sense and mode). The excitation voltage is a 2.4 kHz square wave with an
amplitude of 3.5VRMS. The frequency is generated in the control chip by dividing the 4
MHz system clock.
The sense input signal is amplified by 93.75 (40µ;V/V/mmHg) or 750 (5µ;V/V/mmHg),
rectified with a synchronous detector and lowpass filtered with a cutoff frequency of 7.5 Hz.
All LF signals are multiplexed, sampled at either 1600 or 800 Hz, and A/D converted with
12-bit resolution.
The marker cable and the switch board are also connected to the Frontend board.
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Power Supply Board (M1353-66502)
Power Supply Board (M1353-66502)
The Power Supply Board operates as a linear regulated power supply with rectifier, capacitor
and regulator. It generates the following voltages:
Regulated dc: ±12V, +5V and +24V
Unregulated dc: +7V to +12V
±12V and +5V have an electronic short circuit current limit. The +24V dc regulator works
independently from the others. The +24V are used for the thermal printhead fed through
the recorder IF-board. The internal +2.5V reference voltage is generated from the +24V, so
if the 24V section is inoperative, the rest of the power supply won’t work. The -12V
regulator also needs the regulated +5V to work correctly. The reset (open collector output)
is active low, when either the +5V is lower than +4.6V or the +24V is lower than +14.8V. If
the +5V is higher than 6.2V (this can be caused by any failure of the power supply or the
other boards) the over-voltage protection is triggered and pulls down the voltage to about
3.4V. This state can only be relieved by switching the monitor off and on (if the failure isn’t
still remaining).
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CPU Board (M1353-66503 and M1353-66513)
CPU Board (M1353-66503 and M1353-66513)
CPU Board
M1353-66503
This board works with the 4 ohm loudspeaker and is used in:
M1351A monitors with serial number prefix ≤ 3604G.
M1353A monitors with serial number prefix ≤ 3605G.
CPU Board
M1353-66513
This board works with the 8 ohm loudspeaker and is used in:
M1351A monitors with serial number prefix ≥ 3651G.
M1353A monitors with serial number prefix ≥ 3652G.
apegblk2
The Central Processor Unit (CPU) Board is the heart of the system and controls most other
boards. The 68000 microprocessor and associated support ICs provide system functions;
the bus control section controls the system bus. The board contains two Flash EEPROMs
which contain all the system software.The board includes the following sections:
Microprocessor Section:
68000 microprocessor.
Flash EEPROMs containing all system software and a boot program allowing
software upgrades via the Service Connector.
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CPU Board (M1353-66503 and M1353-66513)
CMOS RAM memory, backed by a battery to store short time device settings etc.
A non-volatile EEPROM memory for permanent device and user settings.
A real-time clock, battery-backed and power-fail protected. The processor has
access to all clock registers.
The multiplexer ASIC contains a watchdog function which monitors the
operation of the microprocessor and restarts the system if it is not served at a
constant rate.
AD/DA Section:
After system startup, the CPU starts the A/D control chip, which divides the
signal from the clock circuit and generates an interrupt every 2.5 ms.
The 68000 on the CPU Board then programs the multiplexer to select the analog
channels for A/D conversion: the analog/digital conversion of up to eight
channels is done by the multiplexer without further intervention by the CPU. A/
D conversion is by successive approximation. After the next interrupt, the CPU
reads the results stored in registers within the multiplexer. The multiplexer also
receives values from the CPU for audio output.
All LF signals are multiplexed, sampled at either 1600 or 800Hz, and A/D
converted with 12-bit resolution.
Digital Signal Processing Section:
Signal processor and RAM.
DMA logic.
DSP software rebooted when the US2 channel socket is connected/disconnected.
Bus Control Section:
Address and data bus control chips.
Board select logic to access all system boards.
DMA circuits to allow DMA access via the system bus to the Combined Interface.
A crystal quartz oscillator and related circuitry provide several local and bus clock
frequencies.
Service Interface: An RS232 serial interface is provided for use during production and
service. Connection is via a stereo phone jack on the front panel.
Serial interface for option and software upgrades.
Settings and configuration via an external computer.
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Display Board (M1350-66520)
Display Board (M1350-66520)
pegdbd40
The display board consist of the following main parts:
Keys
Display Controller
Backlights
LEDs
Signals at the keys are fed to the recorder board via the ribbon cable and are sampled by the
controller. Display data is loaded from the recorder board to the display controller ASIC via
a serial data link. The controller multiplexes this data to the LEDs and backlights. The
multiplexer clock is served by the recorder board. The clock speed is 3.2kHz to avoid
interference between the US channel and the display multiplexer.
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Recorder Interface Board (M1353-66510)
Recorder Interface Board (M1353-66510)
apegblk3
The Recorder Board provides the interfaces to the recorder and the display. The recorder
interface consists of:
The parallel/serial converter for the thermal array data.
A heating timer to control the heating pulse for the thermal array. The voltage from a
thermistor on the thermal array is A/D converted and the CPU programs the heating
timer with a value which compensates the ambient temperature.
The recorder sensing hardware consists of a reflective light sensor that detects the black
marks on the paper and paper out. A battery supervisor circuitry checks for valid
battery voltages, and this is read by the CPU Board. The display interface uses the
same parallel/serial converter as the recorder. The board also contains test hardware
which is not shown in the diagram.
+24V is blocked by capacitor and supplied to the thermal printhead.
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Interface Boards
Interface Boards
The interface boards available are:
The Combined Interface Board
The Modem Interface Board.
Com bined
Interface Board
There are two boards available; the M1353-66531 and M1353-66531E. Both boards
process analog input signals from Philips telemetry systems (for example, the M1310A),
and send heart rate, Toco, mode and status information to Philips OB systems, such as
OB TraceVue.
Both boards receive signals from:
A Barcode Reader.
Additionally, the M1353-66531E board also receives:
Signals from a maternal NIBP Monitor.
FMP from a Series 50 Telemetry M1310A
Ext. Marker from a Series 50 Telemetry M1310A.
Figure 6-2
Com bined Interface Board M1353-66531 replaced by version
with RS232 interface)
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Interface Boards
Figure 6-3 Com bined Interface Board M1353-66531(E)
Both the M1353-66531/66531E boards include the following sections:
Analog Signal Filter Section:
An analog input for FHR, US LF or DECG, with low pass filter and variable gain
amplifier.
An analog input for TOCO/IUP with low pass filter.
The analog signals are fed to the A/D convertor on the CPU Board.
Digital Clock and Control Sections:
Board ID latch.
Status input lines.
Control latch.
Bus control and clock circuits.
Calibration and Self Test Section:
Calibration and reference circuits.
System controlled test signal generation.
Analog switches to apply reference voltages and test signals to the telemetry
inputs.
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Interface Boards
System Section:
This section is controlled by an 80C51 microcontroller. The communication
between this controller and the CPU on the CPU board is done by dumps every
250 msec. The CPU also boots the software for the 80C51 controller into the
ROM during startup.
The analog voltages heart rate 1, heart rate 2 and TOCO are generated by a DAC
which feeds three sample and hold buffers via a multiplexer.
The latch stores mode and status information. Status information is passed to the
output as a logic signal. Mode information is a sum of logic signals and appears as
an analog voltage at the output.
The 80C51 UART, RS422 receiver/transmitter form a bi-directional RS422
interface for OB TraceVue connection. Combined Interface Board M1353-66531E
only: The RS232 receiver transmitter forms a bi-directional RS232 interface for
OB TraceVue connection.
Barcode Reader or Maternal NIBP Monitor Section:
The Combined Interface Board M1353-69531 provides the interface to a Barcode
Reader. The Combined Interface Board M1353-69531E provides the interface to a
configure the Monitor for either a Barcode Reader or a maternal NIBP Monitor). A
second UART with driver/receiver form a ±12V RS232 interface for the barcode
reader or the maternal NIBP Monitor. Data is also processed by the 80C51 processor.
Figure 6-4 Modem Interface Board M1353-69532
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Interface Boards
Modem
Interface Board
The M1353-66532 modem interface board allows the storage and the transmission of fetal
trace data via a telephone line. The interface board enables the fetal monitor to form part of
a remote monitoring system, consisting of:
A Transmitter (Series 50 A/IP Fetal Monitor with Modem Interface Option).
Receiver (OB TraceVue system).
The system also receives information from:
A Barcode Reader.
The M1353-66532 Modem Interface board includes the following sections:
Board Control section:
Board control latch
Board ID and status circuit
Bus buffers and clock recovery circuits
System Section:
This section is controlled by an M37702 microcontroller. The communication
between this controller and the CPU on the CPU board is done by dumps every
250 msec. The CPU also boots the software for this controller into the RAM
during startup.
When a PCMCIA card is plugged in, it will be recognized and activated by the
PCMCIA interface, specified by PCMCIA card standard 2.01. The controller
deactivates this interface after the removal of the PCMCIA card. The modem
commands and data are controlled by the M37702 microcontroller.
Barcode Reader Circuits
The first controller UART and the driver/receiver form an RS232 interface for the
Barcode Reader. Barcode data is processed by the controller.
The auxiliary RS232 serial port (no Philips software available).
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7
Tests and Error Messages
Service Philosophy
Any errors produced are marked on the trace paper with the symbol
and a specific
error message is shown on the monitor display. In addition, the errors are reported on the
messages and system error log to determine whether the fault lies in the hardware or
firmware. These problems can be repaired by board replacement or unit exchange. Do not
attempt component-level board repair.
O verview of the The system contains resident tests to enable monitoring of system status and errors that
Service Tests
occur.
This is invoked whenever the system is switched on.
Performance Assurance Tests
•
This checks the processing of the signal from the transducers.
•
This checks the display, recorder and complete instrument hardware and software.
Service Tests
These are invoked by connecting the monitor to a PC and using a software service tool
to assess, test and configure the system.
•
•
Safety Tests
These test the electrical safety of the monitoring system and must be carried out after
upgrades and repairs. You must use a safety testing tool.
•
•
•
Safety Test Blocks (see page 100)
Perform ance Assurance Tests
Self Test
The monitor automatically performs a basic-level self test when you switch it on. There are
two possible types of error that you might see. A fatal error prevents the monitor from
functioning. A non-fatal error allows you to continue to work but warns you of a problem
that must be resolved swiftly.
If a non-fatal error occurs (for example, if the batteries are low):
An error message is displayed for approximately 13 seconds.
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Tests and Error Messages
Err xxx
, time and date are printed on the paper after 13 seconds, and
then every 10 minutes.
(xxxis the number of the error message.)
Switch the monitor off and then on, and if the error occurs again refer to
Chapter 8, “Troubleshooting Flowcharts.” (If the recorder is not on when the
monitor is switched on, Err xxx
, time and date are printed when it is
switched on subsequently.)
If a fatal error occurs (for example, if a board is defective):
An error message is displayed for approximately 13 seconds.
After 13 seconds, the monitor will try to restart.
If the error occurs again refer to Chapter 8, “Troubleshooting Flowcharts.”
Quick Test
This tests the display, recorder and monitor hardware and takes approximately 15 seconds.
To carry out the test:
1. Switch on the monitor and the recorder.
2. Disconnect any transducers from the monitor (and if appropriate, switch off and
disconnect the telemetry receiver).
3. Press Test once.
Figure 7-1 System Test Controls
Check that:
The displays flash alternately with the indicators and lamps for approximately 13
seconds.
The Err xxxon/off light blinks in time with the display.
A test pattern is printed on the paper.
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Tests and Error Messages
Figure 7-2 Test Pattern
4. Check the dots in the test pattern to ensure all the heating elements on the printer
head are operational. (Dots printed on the colored grid lines may appear light, but this
is not considered to be a fault.) Check that:
No more than 20 dots are missing over the width of the paper.
No more than 2 adjacent dots are missing.
No dots in the mode annotation are missing.
automatically set to 3 cm/min during the test and then reset to its previous value afterwards.
If an error occurs:
An error message is displayed for ten seconds.
Err xxx
, time and date are printed on the trace after ten seconds and then
every ten minutes.
(xxx is the number of the error message.)
To stop the error annotation printing, switch the monitor off and then on. If the error is
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Tests and Error Messages
Param eter Test This tests the signal to and from the transducer, but not the transducer itself. To carry out
the test:
1. Switch on the monitor and the recorder.
2. Connect the appropriate transducer to each socket.
3. Press and hold Test.
Figure 7-3 Param eter Test Controls
The correct monitor response for each signal is given in the following table. If your response
Table 7-1
Signal
Correct Monitor Response
US/US1
190is displayed and printed, the Signal Quality Indicator is green, and the
fetal heartbeat is heard from the loudspeaker.
Toco
A signal alternating between 10and 60is displayed and printed.
DECG
200is displayed and printed, the Signal Quality Indicator is green, and the
fetal heartbeat is heard from the loudspeaker.
MECG
US2
120is printed.
170is displayed and printed, the Signal Quality Indicator is green, and the
fetal heartbeat is heard from the loudspeaker.
If an error occurs:
An error message is displayed for ten seconds.
Err xxx
, time and date are printed on the paper after ten seconds, and then
every ten minutes.
(xxxis the number of the error message.)
To stop the error annotation printing, switch the monitor off and then on.
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Tests and Error Messages
O perator Error Messages
Table 7-2 O perator Error Messages
Message
Display
US/US1
Cause and Solution
Wrong transducer in the US1/US socket.
1
Err 1
Connect the correct transducer.
1
1
1
US2/ECG
Toco
Wrong transducer in the US2/ECG socket.
Connect the correct transducer.
Err 1
Err 2
Wrong Toco transducer in the Toco socket.
Connect the correct transducer.
US
US/MECG Combi transducer not allowed.
Remove the transducer.
Err 4
Err 9
ECG/US2
US1/US
Toco
Invalid Telemetry mode.
Check the cable from the Telemetry Receiver and, if necessary, replace it. Check all connections.
US2/ECG
US1/US
Toco
Err 16
nop
Wrong pairing of Telemetry and transducers.
Either disconnect the transducers or switch off the Telemetry Receiver.
US2/ECG
ECG
No contact or poor contact between any of the contacts of the system. Check all connections, espe-
cially the legplate connector electrode.
Use a new spiral electrode.
2
Incorrect type of paper loaded.
Err PAP /
Err 18
Replace with recommended paper.
Battery low or empty of charge.
3
Err bAt
/ Err 19
Change the batteries as soon as possible. If you do not change the batteries, your specific settings will return
to their default values when the monitor is switched off (for example, the date is set to 4.4.44).
Error 601
Paper speed.
Check that correct paper is used.
5
Check the speed by timing how long it takes for the paper to advance 1cm:
60 seconds = 1cm/min
30 seconds = 2cm/min
20 seconds = 3cm/min
Contact your Philips Service Engineer or Response Center if the speed is incorrect.
Incorrect type of paper loaded.
4
Err PAP 30-240
Load paper with 50-210 scale or change the paper format setting of the monitor.
5
Err 602
Incorrect type of paper loaded.
4
Err PAP 50-210
Load paper with 30-240 scale or change the paper format setting of the monitor.
5
Err 602
6
Modem not responding.
Err 70
The Modem is either incorrectly installed, faulty or not an approved model.
Telephone transmission failure.
6
Err 77
Line busy or faulty, wait short time and send information again.
6
Modem Interface board failure.
Err 532
Board failure will prevent data transmission from taking place and may possibly generate Err 70and
Err 77messages.
1. See the Instructions for Use for your monitor for the types of transducers that can be connected.
2. Displayed for ten seconds after the wrong paper is detected.
3. Displayed for ten seconds when the monitor is first switched on.
4. Printed every ten minutes.
5. Printed every three pages.
6. Only applicable with the Modem Interface Module fitted.
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Tests and Error Messages
Perm anent Test
To carry out the Permanent Test:
1. Disconnect all transducers from the monitor and disconnect or switch off Telemetry.
2. While pressing
press Test:
C01is shown in the US1/US display.
0or 1is shown in the Toco display.
3. Press
again:
A01is shown in the US1/US display.
4. Press the
key twice:
A03is shown in the US1/US display.
5. For each signal to be tested, connect a transducer to the corresponding socket within
15 seconds: US1/US, Toco, US2, and/or ECG.
6. Connect the Remote Event Marker.
7. While pressing the button on the marker, press the Toco Baseline Key. The test runs
for as long as the button on the marker is pressed.
FSpO
2
There are no operator error message for FSpO2. If no FSpO2 annotation is printed on the
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8
Troubleshooting Flowcharts
Introduction
Troubleshooting is based on the interpretation of the error messages written on the display
however, when no error message, or the nature of the problem precludes the
implementation of any automatic testing schemes. This chapter directs you towards the
problem in a schematic approach. This method of troubleshooting may lead you to discover
a blown fuse or a power supply failure.
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Error 500: General Failure
Error 500: General Failure
Warning
The following task requires that the power be on while the cover is removed. Proceed
only with extreme caution. Failure to do so can result in serious injury.
Figure 8-1 Troubleshooting: Error 500
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Error 500: General Failure
Figure 8-2 Connectors and LEDs
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Error 501, 511, 512, 516, 517: Front End Board
Error 501, 511, 512, 516, 517: Front End Board
Warning
The following task requires that the power be on while the cover is removed. Proceed
only with extreme caution. Failure to do so can result in serious injury.
Replace Frontend Board
Figure 8-3 Troubleshooting: Error 501, 511, 512, 516 and 517
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Error 501, 511, 512, 516, 517: Front End Board
Figure 8-4 Connectors and LEDs
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Error 502: Power Supply
Error 502: Power Supply
Warning
The following task requires that the power be on while the cover is removed. Proceed
only with extreme caution. Failure to do so can result in serious injury.
Figure 8-5 Troubleshooting: Error 502
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Error 502: Power Supply
SCREW
Figure 8-6 Connectors and Fuses
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Error 601: Paper Feed
Error 601: Paper Feed
Figure 8-13 Troubleshooting: Error 601
Caution
The use of recorder paper that is not approved by Philips can damage the
monitor. This type of damage will not be covered by warranty.
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Fetal Pulse Oximetry with Nellcor N-400 or Compatible Monitor
Fetal Pulse O xim etry with Nellcor N-400 or Com patible Monitor
Figure 8-22 Troubleshooting: Fetal O xygen Saturation with Nellcor N-400 or
Com patible Monitor
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Paper Sensing Test
Paper Sensing Test
Figure 8-23 Troubleshooting: Recorder Paper Sensing
Caution
The use of recorder paper that is not approved by Philips can damage the
Monitor. This type of damage will not be covered by warranty.
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9
Preventive Maintenance,
Care and Cleaning
Introduction
This chapter contains maintenance and safety information for the Series 50 A and
Series 50 IP fetal monitors and accessories.
All checks that require the instrument to be opened must be made by qualified service
personnel. Contact your local Philips representative if you wish safety and maintenance
checks to be carried out by Philips personnel.
To ensure proper functioning of your monitor you must adhere to the standards described
in this guide for:
Cleaning
Regular maintenance
Warning
Failure on the part of the responsible individual hospital or institution using this
equipment to implement a satisfactory maintenance schedule may cause undue
equipment failure and possible health hazards.
Cleaning the Monitor
For detailed instructions on how to clean the Series 50 A and Series 50 IP-2 fetal monitors
and the monitoring accessories, see the User’s Guide for your monitor.
For instructions on cleaning IUP transducer 1290C, see the instructions which are supplied
with the transducer.
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Regular Maintenance
Regular Maintenance
This section details the periodic maintenance recommended for the fetal monitors and
Table 9-1 Preventive Maintenance
Tasks and Tests
Carry out a mechanical inspection of the monitor
Check transducers, patient modules, cables, connectors and other
accessories for cracks and defects
Carry out the Quick Test as described on page 66
Carry out the Parameter Test as described on page 68
Mechanical
Inspection
To carry out a mechanical inspection of the monitor:
Make sure all exposed screws are tight.
Make sure that the combined interface module, if fitted, is firmly in place.
Check the external cables and housings for splits, cracks or signs of twisting. Replace
any cables that show serious damage.
Recorder
Maintenance
The recorder platen, thermal print head and paper sensing mechanism must be cleaned at
least once per year, or when needed (when traces become faint).
Clean the assemblies as follows:
Clean the recorder platen with a lint-free cloth using a soap/water solution.
Wipe the thermal array using a cotton swab moistened with 70% Isopropyl alcohol
based solution.
Check the paper sensing mechanism is dust free.
Batteries: Replace the batteries with two alkaline 1.5 Volt size N batteries
(recommended type: MN9100). For instructions on replacing batteries refer to page
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Accessory Testing
Accessory Testing
Testing Toco
Transducers
Visual check Ensure that there are no cracks in the transducer dome, cable or connector plug.
Electrical check 1. Switch on the monitor and the recorder.
3. Connect the transducer to the Toco socket. When you connect the transducer:
The Toco display shows 20.
TOCO ext, time, date and paper speed are printed on the paper.
4. Lay the transducer face up on a flat surface for a few seconds.
5. Press the Toco Baseline key to re-adjust the Toco display to 20.
6. Turn the transducer over so that the button is face down on the flat surface. Hold the
cable at a point 25 cm from the transducer and ensure that the transducer touches the
flat surface only with the button and that the transducer is parallel to the flat surface.
The Toco display should read between 40 to 50 units.
paitcoc30
Figure 9-1 Testing a Toco Transducer
If the test fails, repeat using another transducer. If it still fails, refer to
pressing the Toco Baseline Key.
Note— The external Toco recorder can be between 0 and 127 units.
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Accessory Testing
Testing
Ultrasound
Transducers
Visual check Ensure that there are no cracks in the transducer dome, cable or connector plug.
Electrical check 1. Switch on the monitor and the recorder.
2. Connect the transducer to the US socket. When you connect the transducer:
The ---display goes out.
US, time, date and paper speed are printed on the paper.
The Signal Quality Indicator is red.
3. Turn the loudspeaker volume up to an audible level.
4. Holding the transducer in one hand, move your other hand repeatedly towards and
then away from the surface.
Figure 9-2 Testing an Ultrasound Transducer
Check that a noise is heard from the loudspeaker.
5. The transducer contains seven piezo-electric crystals.
Figure 9-3 Position of Crystals in an Ultrasound Transducer
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Accessory Testing
6. Holding the transducer in one hand, move a flat-bottomed pencil or similar object
repeatedly towards and then away from each crystal. The distance between the pen
and the transducer surface should be about 2 to 3 cm.
psm18sc
Figure 9-4 Testing the Crystals
7. Check that a noise is heard from the loudspeaker for each crystal.
If the test fails, repeat using another transducer. If it still fails, refer to
Testing Patient
Modules
(M1364A)
Visual Check Ensure there are no cracks in the patient module and that the cable is not cracked or
broken, and there are no cracks on the connector plug.
Electrical Check Connect the patient module to the ECG socket.
1. Ensure that the display shows nop without DECG adapter cable M1362A or
M1362B.1
IUP
Visual check Ensure that there are no cracks in the transducer dome, cable or connector plug.
Electrical check 1. Switch on the monitor and the recorder.
2. Connect the transducer to the Toco socket. When you connect the transducer:
1. M1364A: in the presence of strong electrical fields (50-60Hz), nop may disappear even without
additional cabling.
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Safety Testing
The Toco display shows 0.
TOCO int, time, date and paper speed are printed on the paper.
3. Gently apply pressure to the syringe plunger. Check that the value on the display and
paper shows this change in pressure.
If the test fails, repeat using another transducer. If it still fails, refer to
Note— The Intrauterine Pressure Values can be between -99 and 127 units.
Safety Testing
This section defines the test and inspection procedures applicable to the Series 50 A and
Series 50 IP fetal monitors. Use the tables in the following section to determine what test
and inspection results must be reported after an installation or repair has been carried out.
Warning
Apply the safety test limits set by the local standards and statutes applicable to the
country of installation, such as IEC 60601-1, UL2601-1, CAN/CSA-C22.2 No. 601.1-
M90.
The safety tests defined in this chapter are derived from local and international
standards but may not be equivalent. They are NOT a substitute for local safety
testing.
Caution
Successful completion of the patient safety tests does not ensure the correct
and accurate functioning of the equipment.
Safety Test
Procedures
The test procedures outlined in this section are to be used only for verifying the safe
installation or service of the product. “Safety checks at installation refer to safety aspects
directly related to the installation and setup activities and not to intrinsic safety features that
have already been checked during final acceptance testing at the factory.”
[FDA 97-4179 Medical Quality Systems Manual: A Small Entity Compliance Guide (QSR
manual). First Edition December 1996. Chapter 14: Storage, Distribution and Installation.
This document may be viewed at http://www.fda.gov].
When running safety tests on the peripheral components of the system, refer to the
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Safety Testing
documentation included with those products.
When performing safety tests, you must use a standard safety tester. You can use testers
complying with IEC 60601-1 internationally. You may also use testers complying with any
local standards and statutes applicable to the country of the installation. For safety test
procedures see the operation instructions of the safety tester used.
If using the Metron safety tester use your local regulations to perform the test, for example
•
•
in Europe: IEC60601-1/IEC60601-1-1
in the US: UL2601-1
The Metron Report should print results as detailed in this chapter, along with other data.
Note— For information and ordering guides for Metron products contact:
Metron AS, Travbaneveien 1, N-7044 Trondheim, Norway
Tel (+47) 73 82 85 00; Fax (+47) 73 91 70 09;
E-mail: sales@metron.no/support@metron.no
www: http://www.metron-biomed.com
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Safety Testing
W hen to
Perform Safety
Tests
Table 9-2M1351A and M1353A: W hen to perform safety test blocks
Service Event
Test Block(s) Required
Installation
Perform Visual, Power On and Performance
The product is customer installed.
You will find installation instructions in this
Installations and Service Guide.
Preventive Maintenance
Preventive Maintenance is the responsibility of
the customer
Repair
Perform Visual, Power On and Performance
when power switch is replaced perform S2-Safety
test block (see page 104),
when transformer is replaced perform S3-Safety
This Installation and Service Guide contains
repair instructions for the 50 A and 50 IP moni-
tors.
When Frontend-Board is replaced perform S3-
Safety test block (see Table 9-3).
Upgrade
Perform Visual, Power On, Performance and
Safety test blocks (see Table 9-3).
This Installation and Service Guide contains
upgrade instructions for the 50 A and 50 IP
monitors.
All other Service Events
Perform Visual, Power On and Performance
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Safety Testing
Test and
Inspection
Matrix
Key to Table: P = Pass and F = Fail, X = test result value to be recorded.
Table 9-3 M1351A/ M1353A Fetal Monitor - Test and Inspection Matrix
What to Record
Test Block
Name
Expected Test
Results
on Service
Record (Philips
Personnel only)
Test or “Inspection” to Perform
Visual
Inspect the unit, transducers and cables for any
damage.
If Yes, Visual test is
passed.
V:P or V:F
Are they free of damage?
Power On
Power on the unit.
Does the self-test complete successfully?
If Yes, Power On test is PO:P or PO:F
passed.
Performance Perform the quick test and parameter test!
If Yes, Performance
Test is passed.
P:P or P:F
Do these tests complete without errors?
Safety(2)
Safety(3)
Protective Earth.
With mains cable:
Maximum impedance
= x (<= 200 mOhms)
S2:P/x or
S2:F/x
Enclosure Leakage Current - Normal Condition.
Maximum leakage cur- S2:P/x4 or
rent = x1
S2:F/x4
(<= 100µA)
Enclosure Leakage Current - S.F.C Open Supply. Maximum leakage cur- S2:P/x2 or
rent = x2
S2:F/x2
(<= 500µA)
(Note: maximum leak-
age current in the US =
300 µA)
Enclosure Leakage Current - S.F.C Open Earth.
Maximum leakage cur- S2:P/x3 or
rent = x3
S2:F/x3
(<= 500µA)
(Note: maximum leak-
age current in the US =
300 µA)
Safety S (3)
M1353A only:
S3(S):P/x or
S3(S):F/x
ONLY TOCO-input tested, Metron Testconn.
required. (Metron order # 19528 and Philips
Adapter M1940A)
Maximum Leakage
current = x
Patient Leakage Current - S.F.C. Mains on
Applied Part.
(<=50µA @ 250V or
<= 20µA @ 120V)
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Safety Testing
Safety Tests
S(2): Protective Test to perform:
Earth Test
The protective earth test measures impedance of Protective Earth (PE) terminal to all
exposed metal parts of the Instrument under Test (IUT) which are connected to the
Protective Earth (PE) for safety reasons. Normally it includes the wiring in the mains cable
(max. 200 mOhm).
A test current of 25 Amps is applied for 5 to 10 seconds. It is recommended to flex the main
cable during the test to identify potential bad contact or damage to the earth wire.
Safety test according to IEC 60601-1 (Clause 18).
Report the highest value.
S(3): Patient Test to perform:
Leakage Current
The patient leakage current test measures patient leakage current from the applied part to
the earth caused by external main voltage on the applied part. Each polarity combination
possible is to be tested. This test is applicable for ECG and SpO2.
Test - AC
Safety Test according IEC 60601-1 (Clause 19.4h).
Report the highest value.
S(4): Enclosure Test to perform:
Leakage Current
The enclosure leakage current: normal condition test is applicable to Class 1 and 2
Test
- Normal Condition
(NC)
equipment, type B, BF, and CF Applied Parts. The test measures leakage current of exposed
metal parts of the Instrument Under Test; it also tests normal and reversed polarity.
For Type BF and CF Applied Parts the test measures AP/GND.
Safety Test according to IEC 60601-1 (Clause 19.4g).
Report the highest value.
S(5): Enclosure Test to perform:
Leakage Current
The enclosure leakage current: single fault condition open supply is applicable to Class 1
Test
- Single Fault
Condition (SFC)
Open Supply
and 2 equipment, type B, BF, and CF Applied Parts. The test measures leakage current of
exposed metal parts of the Instrument Under Test with one supply lead interrupted; it also
tests normal and reversed polarity.
For type BF and CF Applied Parts the test measures AP/GND.
Safety Test according IEC 60601-1 (Clause 19.4g).
Report the highest value.
S(6): Enclosure Test to perform:
Leakage Current
The enclosure leakage current: single fault condition open earth (ground) test is applicable
- Single Fault
Condition Open
Earth (Ground)
to Class 1 equipment, type B, BF and CF Applied Parts. The test measures leakage current
of exposed metal parts of the Instrument Under Test with Protective Earth open-circuit and
normal; it also tests reversed polarity. For type BF and CF Applied Parts the test measures
AP/GND.
Safety Test according IEC 60601-1 (Clause 19.4g).
Report the highest value.
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Safety Testing
Instrument Safety You must perform the instrument safety test every time you exchange, repair, upgrade or in
Test
any other way work on the front end board, the power supply, or the power inlet. If you
intend to connect the monitor to an obstetrical information management system such as
OB TraceVue, you must perform the instrument safety test with the monitor as a
standalone unit, before reconnecting it to the system.
Protective Earth Test
Enclosure Leakage Current - Normal Condition
Enclosure Leakage Current - Single Fault Condition
Patient Leakage Current - Single Fault Condition
System Safety Test Whenever you connect a monitor to an obstetrical system such as OB TraceVue you must
perform the System Test. The System Test consists of the Enclosure Leakage Current tests
connecting either a new or repaired monitor.
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10
Peripherals
Fitting the Com bined Interface Module
To fit the Combined Interface Module:
1. Remove the screw which holds the interface socket cover in place on the base of the
monitor and then remove the interface socket cover.
2. Connect the Combined Interface Module.
3. Screw the module in place.
Figure 10-1Fitting the Com bined Interface Module
With the module fitted, you can connect the following peripherals to the monitor:
One of the following to the RS232 serial interface:
HBCR8200 Barcode Reader.
Dinamap 1846/8100 maternal NIBP Monitor.
COLIN Press-Mate /Nippon Colin Model BP-8800 maternal NIBP Monitor.
Nellcor OxiFirst Fetal Oxygen Saturation monitor.
M1310A Fetal Telemetry to the telemetry socket.
M1383A/B/C OB TraceVue to the system interface.
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Connecting Peripheral Devices
Connecting Peripheral Devices
If the monitor has the Combined Interface Module, you can connect:
OB TraceVue
Telemetry System
and one of the following:
Barcode Reader
Maternal NIBP Monitor
FSpO2 Monitor
To connect the peripheral devices:
1. Lift out the connector cover (A).
2. Connect the peripheral devices to the sockets on the Interface Module.
3. Tighten the screws on the connectors.
4. Feed the cables through the hollow in the center of the Interface Module (B) and then
push the cable clamp into place.
Figure 10-2Connecting Peripheral Devices
Key to diagram:
C
RS232 Serial Interface (Barcode or NIBP or FSPO2 Monitor)
D
E
Telemetry Interface
System Interface (M1353-66531E is required for OB TraceVue
Note— To connect a fetal monitor to the obstetrical surveillance system OB
TraceVue M1383A/B/C, you will need the Combined Interface Module
M1353-66531 rev. E (part number M1353-66531E) and fetal monitor
firmware rev. A.02.02 or later. You will also need the Interface Cable
M1380-61613 (or the equivalent OB TraceVue cable, Option #K13).
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RS232 Serial Interface
RS232 Serial Interface
pin2
Figure 10-3RS232 Interface Pin Connections
The following table lists the signals at each pin.
Table 10-1 RS232 Interface Pin Connections
Pin
Signal
Details
1
2
3
4
5
6
7
8
9
CD
Carrier detect (connected to pin 4)
Receive data from external devices
Transmit data to external devices
Data terminal ready (connected to pin 1)
Ground
RxD Input
TxD Output
DTR
GND
Not connected
B_Gnd
Vcc
Barcode Smartwand Ground
Not connected
+5V, 10mA (idle) to 25mA (configure)
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RS232 Serial Interface
Barcode Reader After installing the Barcode Reader, you must check that it is connected correctly and that
the monitor is configured to read the barcodes. See the User’s Guide for your monitor for
details of how to use the Reader.
1. Using the Reader, read Test Barcode 1and then Test Barcode 2from the
barcode sheet.
2. Check that TEST OK5is printed on the paper.
If it is not, switch the monitor off and on and repeat the test. If it is still not printed,
connect a new reader.
Figure 10-4Barcode Reader Pin Connections
The following table lists the signals at each pin.
Table 10-2 Barcode Reader Pin Connections
Pin
Signal
Details
1
2
3
4
5
6
7
8
9
Not connected
RxD Input
Receive data from Smart Wand
Transmit data to Smart Wand
Not connected
TxD Output
Not connected
Not connected
Gnd
Vcc
Ground
Not connected
+5V, 10mA (idle) to 25mA (configure)
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RS232 Serial Interface
NIBP Monitor
One of the following devices can be connected to an M1351A or M1353A to record
maternal NIBP:
Dinamap 1846/8100 NIBP Monitor. This requires a Critikon model 8801 adapter
COLIN Press-Mate/Nippon Colin Listmini Model BP-8800.
Before connecting a NIBP monitor, ensure that the correct configuration options on the
available. Interface to an NIBP Monitor is available only on the Combined Interface
Module, Option J13, with the label M1353-66531, E (software revision number A.02.xx or
higher - the software revision number is written on the error log).
Connecting To connect a Dinamap 1846/8100 NIBP Monitor to the M1351A or M1353A:
an NIBP Monitor to
1. Use the interface cable M1350-61609.
the M1351A or
M1353A
2. Connect the 9-pin end of the cable to the fetal monitor.
3. Connect the 25-pin end of the cable to the external device.
4. Secure the interface cable by the screws at the cable connectors.
Figure 10-5Interface Cable M1350-61609
Caution
Before connecting an NIBP Monitor, use the Grounding Cable (part number
8120-2961 for USA or 8120-4808 for Europe) to connect the equipotential
grounding point on the fetal monitor to earth potential. The power cord of
the NIBP Monitor must be plugged into a wall-mounted power outlet - not
into an extension block.
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RS232 Serial Interface
To connect a COLIN Model BP-8800 Monitor to the M1351A or M1353A:
1. Use the interface cable supplied by the COLIN Corporation with the NIBP Monitor.
2. Connect the 9-pin end of the cable to the fetal monitor.
3. Connect the 15-pin end of the cable to the COLIN.
4. Secure the interface cable by the screws at the cable connectors.
ifcab2
Figure 10-6CO LIN Interface Cable
Baudrates The baudrates for each external device must be set as follows:
COLIN BP-8800 Baudrate:
4800
Startbit:
Databits:
Stopbits:
Cable:
1
8
1
Parity:
Even
Supplied by the COLIN Corporation.
Dinamap 1846/ Baudrate:
600
8100
Startbit:
1
8
1
Parity:
None
Databits:
Stopbits:
Cable:
M1350-61609 or M1350-61608.
Maternal
Each time an external device takes the maternal NIBP measurement it is printed on the
trace. When you monitor NIBP, an MHR measurement is printed at the same time as the
NIBP measurement.
Measurem ents
on the FHR
Trace
If you set the NIBP Monitor to automatic mode, you must leave a minimum time interval
between each measurement to print every value. This time interval depends upon the paper
speed setting.
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RS232 Serial Interface
Table 10-3 NIBP Monitor and Minim um Tim e Interval
Paper Speed
Minimum Time Interval
1 cm/min
2 cm/min
3cm/min
3 minutes.
2 minutes.
1 minute.
FSpO2 Monitor If the fetal monitor has the Combined Interface Module J-14 fitted, you can interface to an
FSpO2 monitor (Nellcor N-400 or other compatible). You must have software revision
number A.02.09 or higher.
To connect an FSpO2 monitor to the M1351A or M1353A:
1. Use interface cable M1353-61614. This has identical 9-pin male connectors at each
end.
2. Connect one end to the M1351A or M1353A and the other to the FSpO2 monitor.
3. Secure the interface cable by the screws at the cable connectors.
Figure 10-7FSpO 2 Interface Cable (M1353-61614)
Baudrates The baudrates for the FSpO2 monitor must be set as follows:
Baudrate:
Startbit:
Databits:
Stopbits:
Cable:
2400
1
Parity:
None
8
1
M1353-61614
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RS232 Serial Interface
DIP Switch Settings The DIP switches for the FSpO2 monitor must be set as follows:
Table 10-4 FSpO m onitor DIP Switch Settings
2
DIP Switches and Settings
1
*
2
*
3
4
5
*
6
7
8
9
*
10
*
DIP switches 3 and 4 set the baud rate to 2400. 6, 7, and 8 set the output format to
conversation mode. The positions of the other switches, shown with asterisks (*) above, do
not matter and may be either up or down.
Troubleshooting If the FSpO2 monitor has two power switches (a mains switch at the rear of the unit and a
FSpO2 standby switch at the front of the unit) you should take care to switch them off and on in
the correct order. Failure to follow this prescribed sequence can cause the unit to appear to
malfunction by displaying data erratically, or not at all.
Switching off
1. Turn front switch (on/standby mode) to standby.
2. Turn rear switch (mains power switch) to off.
Switching on
1. Turn rear switch (mains power) to on.
2. Turn front switch (on/standby mode) to on.
If the unit behaves erratically, switch it off, exactly as detailed above, wait for five seconds,
then switch it on again.
When using the FSpO2 monitor regularly, it is recommended to keep the rear switch in the
“on” position and use the front switch to change from on to standby mode.
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Telemetry System
Telem etry System
The following table lists the signals at each pin. There is no external parameter input, no
HR2 input and no US envelope input.
Figure 10-8Telem etry System Pin Connections
Table 10-5 Telem etry System Pin Connections
Pin
Signal
Details
1
2
HR2 Input
-12V Output
+5V Output
+12V Output
S1 Input
Not connected (HR-LF2).
20mA maximum.
3
20mA maximum.
4
20mA maximum.
5
Telemetry On (L).
6
S2 Input
7
S3 Input
DECG inop (L). (M1353A only.)
DECG Mode (L). (M1353A only.)
AECG Mode (L). Not currently used.
US Mode (L).
8
S4 Input
9
S5 Input
10
11
12
13
14
S6 Input
S7 Input
S8 Input
IUP Mode (L). (M1353A only.)
Toco External Mode (L).
S9 Input
HR1 Input
HR-LF.
US range: -3.5V to +3.5V.
DECG range: -6V to +6V.
Ri: >82kΩ.
15
Toco Input
Toco dc.
Voltage range: -3V to +2V.
Sensitivity: -1V full scale (-1V=+100 units).
Ri: >82kΩ.
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Telemetry System
Table 10-5 Telem etry System Pin Connections
Pin
Signal
Details
16
17
18
19
20
21
22
23
24
25
Ext Par Input
Gnd Analog
Gnd
Signal Ground.
Mark (Input)
Tele-Marker on (L)
FMP on (Input) Tele-FMP on (L)
FM (Input) Tele-Fetal movement on (L)
Not connected
IF ID (Output) Gnd (Not connected with Combined Interface Module “E”)
Gnd
Not connected (HR2 Mode).
Key:
(L) means Logic input is low (0 Volts).
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80235A (OBMS), M1370A (ODIS), and OB TraceVue
80235A (O BMS), M1370A (O DIS), and O B TraceVue
Table 10-6 lists the signals at each pin.
Figure 10-9O BMS and O DIS Pin Connections
Table 10-6 O BMS and O DIS Pin Connections
Pin
Signal
HR2 Output
Details
1
1V/100bpm ±40mV (0V if not valid).
Rout: 100Ω.
2
3
Not connected.
RS422 Output +
Digital Serial Output.
1200 baud, 8 bit, no parity.
4
5
Toco Status Output
Toco External Mode or No Toco Mode (L).
IUP Mode (H).
Rout: 1.1kΩ, 100nF.
HR1valid Output
When heart rate is valid, output is high.
Rout:1.1kΩ, 100nF.
6
7
8
Not connected.
Not connected.
RS232 RxD
RS232 TxD
Digital Serial Input.
RS232, 1200 Bd., 8 bit. no parity.
9
Digital Serial Output.
RS232, 1200 Bd., 8 bit, no parity.
10
11
Not connected.
HR1 Mode Output
US: 0.6V, AECG: 5V, DECG: 6.7V, INOP: 8.5V.
Rout: 38KΩ.
12
13
Ground Analog
Toco Output
Signal Ground.
1V/10 Toco units ±100mV.
Rout: 100Ω.
14
HR2 Mode Output
US: 0.6V, AECG: 5V, DECG: 6.7V, INOP: 8.5V.
Rout: 38KΩ.
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80235A (OBMS), M1370A (ODIS), and OB TraceVue
Table 10-6 O BMS and O DIS Pin Connections
Pin
15
Signal
RS422 Output -
Details
Digital Serial Output.
1200 baud, complement.
16
17
18
19
20
0V Output
Connected to Ground.
RS422 Input +
RS422 Input -
Digital Serial Input: 1200 baud.
Digital Serial Input: complement.
Not Connected.
Instrument On/Off
Ext Marker Output
Digital Signal Output.
0V: On (>250ms).
Rout: 1.1kΩ, 100nF.
21
HR1 Output
1V/100bpm ±30mV.
Rout: 100Ω.
Paper-out and HR-coincidence.
22
23
Ext Test Input
When input is low, external test is on.
Internal pull-up resistance: 4.64kΩ.
Monitor ID Output
2.0V regulated.
Ri: 100Ω (for Fetal Trace Transmission System).
24
Chassis Ground
RS232 signal ground.
Key
(L)\means Logic input/output is low (0 V).
(H)\means Logic input is high (5 V).
In the event of a paper-out or an HR-coincidence, an analog signal is applied to pin 21.
This lasts approximately 600 msec and is repeated every minute for as long as the condition
Table 10-7 Pin 21: O utput Voltage Values
Pin Voltage
Remarks
3.575
3.725
3.875
4.025
4.175
4.325
4.475
4.625
Normal operation.
Reserve.
Paper out.
Reserve.
Coincidence.
Reserve.
Coincidence and paper out.
Reserve.
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11
Replacing Parts
Introduction
This chapter identifies the boards and replacement parts, giving their part numbers, and
lists the tools needed to service the monitor. It then describes how to replace or disassemble
the various parts. For most service tasks, it is not necessary to remove parts, and you should
only disassemble the monitor as far as is necessary. Please note that the appearance of the
monitor parts may differ slightly according to the revision.
Warning
Electrical power is dangerous. Before removing any parts from the monitor, the power
to the monitor must be disconnected.
O rdering Parts
To order a part, contact your local Philips Medical Sales/Service Office, quoting the part
number listed in the tables. To order a part not listed in the tables, give the following
information:
The model number of the monitor.
The complete serial number of the monitor.
A description of the part, including its function and location.
Warning
Occasionally, as well as markings indicating manufacture by Philips, electronic
components will carry standard commercial identification numbers. These
components have been selected to meet specific operational criteria. Using
components purchased through normal commercial channels may result in
degradation of the operation performance or the reliability of the monitor.
Safety Test Requirem ents
The test and inspection procedures which must be carried out after you install or carry out
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Service Tools
Service Tools
Thebasictoolsyou willneed toservicetheSeries 50 Aand Series50IP-2 fetalmonitorsare:
Small crosshead screwdriver
Large crosshead screwdriver
Medium slothead screwdriver
Box screwdriver (HBA).
The following tools are useful but not essential:
Universal vice (to hold the base plate)
Small pincers or tweezers
Digital Volt Meter
Soldering Iron.
Lists of Parts
Boards
Please note that as the appearance of the boards varies slightly according to revision, your
monitor may not look exactly like the monitors pictured.
Figure 11-1Boards
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Lists of Parts
Table 11-1 Boards Parts List
Item
Description
Part Number
1
M1351A Single Front End Board rectangular or triangular
M1351A Twins Front End Board rectangular or triangular
M1353-69501
M1353-69511
M1353-69512
M1353A Front End Board IP (monitors with serial number
prefix ≤ 3652G)
M1350-695171
M1353A Front End Board XM (monitors with serial number
prefix ≥ 3720G), required for IP-2
2
3
Power Supply Board
M1353-69502
CPU Board (for M1351A monitors with serial number prefix M1353-69503
≤ 3604G, and M1353A monitors with serial number prefix ≤
3605G). This board requires a 4 Ohm speaker.
CPU Board (for M1351A monitors with serial number prefix
≥ 3651G and for M1353A monitors with serial number prefix
≥ 3652G). This board requires a 8 Ohm speaker.
M1353-69513
4
5
6
Recorder Interface Board
Display Board
M1353-66510
M1353-66520
M1353-66521
M1353-69531
M1353-69532
Switch Board
Combined Interface Board, Revision E
Modem Interface Board
1. M1350-69517 needs firmware Rev. A.02.07 to be 100% compatible with M1353-69512.
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Lists of Parts
37
Figure 11-4Monitor Parts Diagram (3 of 3)
Table 11-2 lists currently available monitor parts. If a part is still available in the older,
darker gray color, this number is noted in the first part number column of this list.
Table 11-2 Monitor Parts List
Part Number
(darker color)
Part Number
(new color)
Item
Description
Qty
1
2
Backplane Cable Assembly
110V Transformer
230V Transformer
Line Filter with switch
Loudspeaker
-
-
M1353-61603
1
9100-5007
9100-5008
1
3
-
-
-
9135-0453
1
1
1
M1353-01203
9164-0342
4
Loudspeaker 4 Ohms (use with M1353-69503
CPU board)
Loudspeaker 8 Ohms with cable assembly
Loudspeaker O-Ring
-
-
-
-
M1353-61615
M1350-42501
M1350-61603
M1353-66522
M1353-64200
1
1
1
1
1
5
6
7
8
-
Loudspeaker & Battery Cable Assembly
Recorder Sensing Assembly
Cover Kit (Top & Bottom)
M1353-64100
-
Housing screws: x4 M3x6,
x1 M3x12 (not shown)
9
10
-
Barcode label for option J15
Battery Compartment Cover
Battery Compartment and Cables
M1353-44312
M1353-44362
M1353-64114
M1353-64115
-
-
1
1
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Lists of Parts
Table 11-2 Monitor Parts List
Part Number
(darker color)
Part Number
(new color)
Item
Description
Qty
11
12
16
18
19
Chassis
-
-
M1353-00101
M1353-45401
M1353-67901
M1353-44117
1
Insulator
1
Foot repair kit (both colors)
Interface Cable Cover
M1353-67901
-
-
1
Ground Stud
Washer for Ground Stud
1251-5964
2190-0676
1
1
23
24
25
26
Software configuration label
Front-End Connector Label
Power/Warning Label
-
M1350-44306
M1353-44354
M1353-44355
M1353-44356
M1353-44365
1
1
1
1
1
1
M1353-44304
M1353-44305
M1353-44306
-
Nameplate Label M1351A
Nameplate Label M1353A
27
28
Overlay kit (M1351A Single)
Overlay kit (M1351A Twins & M1353A)
M1353-60620
M1353-60621
M1353-60720
M1353-60721
Recorder Chassis1
RFI Bracket
M1353-00153
M1353-00153
1
29
30
-
M1353-01251
M1353-02353
1
1
Thermal Printhead Holder1
Thermal Printhead
Stepper Motor
M1353-02353
31
32
33
-
1810-1421
3140-0857
1
1
1
-
Drawer Assembly1
M1353-64553
M1353-64653
Enhanced version
1460-2338
34
35
36
Conical Spring
-
-
-
2
2
1
Warning Labels (not orderable)
5041-8183
NA
Label with Service Number and Option (not
orderable)
-
Screw Hilo (display bd)
-
-
0624-0761
2
1
37
Caution/ CE label (not on older models)
M1350-44322
Replacement Part List
Cardio Input Connector (red)
TOCO Input Connector (brown)
Service Connector
1252-3461
1252-3462
1252-2702
1252-2702
M1353-44105
1
1
1
1
1
20 (on page 122)
Marker Input Connector
Cover, Front End Connector (new color)
1. See Figure Figure 11-5 on page 125 for details of the differences between the two part numbers available.
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Lists of Parts
Recorder Parts The following diagram shows you how to assemble the recorder using the older and newer
parts. Please note that the older parts are no longer orderable.
The sticker illustrating how to load paper is included in the recorder parts kit.
Enhanced Version
M1353A SN >=3327G00850
Item
Original Version
M1351A SN >= 3326G02782
M1353-00151
(not orderable)
M1353-00153
Recorder Chassis
Thermal Printhead Holder M1353-02351
(not orderable)
M1353-02353
(needs 2 springs)
(needs 4 springs)
M1353-64553
(darker color)
M1353-64653
(new color)
Drawer Assembly
M1353-64551
(not orderable)
Figure 11-5Changes to the Recorder
Note— Original and enhanced versions of these parts are not interchangeable. All
three parts can be assembled only if they are all the same version.
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Lists of Parts
Monitor
Housing Color
Table 11-3 Monitor Housings: Color Changes
Change of Color
Effective from
Serial Number...
Old Color of
Housing
New Color of
Monitor
Housing
M1351A
M1353A
≥ 3816G12439
Parchment Grey
Arctic White
≥ 3817G02995
Table 11-4 lists currently available miscellaneous parts. If a part is still available in the older,
darker gray color, this number is noted in the first part number column of this list.
Table 11-4 Miscellaneous Parts List
Part Number
(darker color)
Description
Part Number
Qty
Angle Mount
M1353-63201
M1353-63202
M1353-02303
1
1
Paper Take-Up (for table top and cart mount-
ings)
Paper Take-Up (for the wall mount)
M1353-42302
M1353-64160
M1323-42075
1
1
2
Wall mount Kit (without Paper Take-up)
Pair (1 Front and 1 Rear) Wheels for Cart CL
(M1323A) Option 2AE
Front Wheel for Mobile Cart Option 1AE
Rear Wheel for Mobile Cart Option 1AE
80310-68707
80310-68708
M1323-68450
1
1
1
Drawer Kit for Cart CL (M1323A) Option
2AE
Drawer Kit for Mobile Cart Option 1AE
Telemetry Mounting Plate for Cart
Maternal IF-cable
M1307-68704
M1307-68705
M1350-61609
M1350-68730
1
1
1
1
Barcode Reader Kit
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Lists of Parts
Toco
Transducer
( B l u e , M 1 3 5 5 A )
Figure 11-6Toco Transducer
Table 11-5 Toco Transducer Parts List
Item
Description
Part Number
Qty
-
-
-
-
M1355A exchange transducer (2.5m)
M1355A blue transducer (2.5m)
M1355A exchange transducer (0.7m)
M1355A blue transducer (0.7m)
M1355-69011
M1355-60011
M1355-69013
M1355-60013
1
1
1
1
Note— Blue transducers are sealed units and are factory repairable only. They must
be returned to the factory for exchange.
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Lists of Parts
Ultrasound
Transducer
(Blue,M1356A)
Figure 11-7 Ultrasound Transducer M1356A (Blue)
Table 11-6 Ultrasound Transducer M1356A (Blue)
Item
Description
Part Number
Qty
-
-
-
-
M1356A exchange transducer (2.5m)
M1356A blue transducer (2.5m)
M1356A exchange transducer (0.7m)
M1356A blue transducer (0.7m)
M1356-69011
M1356-60011
M1356-69013
M1356-60013
1
1
1
1
Note— Blue Ultrasound transducers are sealed units and are NOT repairable.
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Lists of Parts
DECG
Transducer
(M1357A)
Figure 11-8DECG Transducer M1357A
Table 11-7 DECG Transducer: Parts List
Item
Description
Part Number
Qty
-
-
-
-
M1364A Patient Module (use with M1362B)
M1362B DECG Adapter Cable
Connector (pink)
M1364-69001
M1362B
1
1
1
1
1252-4830
08030-41701
Cable Boot
Table 11-8 DECG Cable Connections
Pin
Cable Color (Old)
Cable Color (New)
2
5
Yellow
Green
Red
Brown
1+6
1
Bridged by Code Resistor 4.53 kΩ p/n: 0698-4443
Shield
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Lists of Parts
MECG
Transducer
(M1359A)
psm4sca
Figure 11-9MECG Transducer M1359A
Table 11-9 MECG Transducer: Parts List
Item
Description
Part Number
Qty
-
-
-
-
M1364A Patient Module (use with M1363A)
M1363A MECG Cable
Connector
M1364-69001
M1363A
1
1
1
1
1252-4830
08030-41701
Cable Boot
Table 11-10MECG Transducer Cable Connections
Pin
Cable Color (Old)
Cable Color (New)
2
8
Yellow
Green
Red
Brown
1+6
1
Bridged by Code Resistor 12.4kΩ p/n: 0698-3519
Shield
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Toco Transducer (Brown)
Toco Transducer (Brown)
Figure 11-10Toco Transducer (Brown)
Table 11-11Toco Transducer: Parts List
Item
Description
Part Number
Qty
1
2
3
4
5
6
7
8
9
10
-
Complete Transducer (Toco, Blue)
Case Top (Toco)
M1355-60011
M1355-44552
M1355-44105
0515-2121
1
1
1
3
2
1
1
1
1
1
3
1
Cover Screw (Brown)
Screw
Cover Screw (Black)
Cable Assembly (Toco)
Case Bottom (Toco)
Strain Gauge
5041-4274
M1355-61652
M1355-44551
0960-0810
Snap Clasp
5021-3667
Connector (brown)
Transducer Knob Adapters (not shown)
Cable boot (not shown)
1251-6887
M1356-43203
08030-41701
-
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Toco Transducer (Brown)
Table 11-12Toco Transducer Cable Connections
Strain
Gauge
Pin
Cable Color
2
3
Yellow
Green
Blue
2
4
1
3
4
8
Orange
1+6
1
Bridged by Code Resistor 4.53kΩ p/n: 0698-4443
Shield
Caution
DO NOT use a screwdriver or similar flat-bladed instrument to separate the
transducer covers as this can damage the seals and cause leakage when the
transducer is re-assembled. Take care when removing the wires as they are
thin and can easily be damaged. NEVER pull the strain gauge button.
1. Disconnect the transducer from the monitor.
2. Remove screw covers 1 and 2: press a flat screwdriver into the covers and prise them
out.
Note— When reassembling the transducer, you will need new screw covers as the old
ones cannot be re-used.
3. Partially undo screws 3. The two halves of the transducer can now be separated by
pressing down on the screws.
4. Remove the screws 3 and pull the two halves of the cover apart.
5. Disconnect the transducer cable from the strain gauge 4: use a soldering iron to
separate the three cable wires from the gauge.
6. Cut the clips holding the strain gauge and remove it.
Re-assembly is a reversal of the above procedure. The strain gauge assembly is a press fit into
the transducer cover.
Note— Older Brown transducers can be repaired but Blue Toco transducers are
sealed units and are only factory repairable.
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Ultrasound Transducer (Brown)
Ultrasound Transducer (Brown)
Table 11-13Toco Transducer: Parts List
Item
Description
Part Number
Qty
1
2
3
4
5
6
7
8
-
Complete Transducer (US, Blue)
Case Top (US)
M1356-60011
M1356-44562
M1356-44106
0515-2121
1
1
1
3
2
1
1
1
3
1
Cover Screw (Red)
Screw
Cover Screw (Black)
Cable Assembly (US)
Snap Clasp
5041-4274
M1356-61661
5021-3667
Connector (pink)
1252-4830
Transducer Knob Adapters (not shown)
Cable boot (not shown)
M1356-43203
08030-41701
-
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Ultrasound Transducer (Brown)
Table 11-14 Ultrasound Transducer Cable Connections
Pin Cable Color
4
8
Brown
Red
1+6
1
Bridged by code resistor 665 Ω p/n: 0698−3511
Shield
Caution
DO NOT use a screwdriver or similar flat-bladed instrument to separate the
transducer covers as this can damage the seals and cause leakage when the
transducer is re-assembled. Take care when removing the wires as they are
thin and can easily be damaged.
1. Disconnect the transducer from the Monitor.
2. Remove screw covers 1 and 2: press a flat screwdriver into the covers and prise them
out.
Note— When reassembling the transducer, you will need new screw covers as the old
ones cannot be reused.
3. Partially undo screws 3. The two halves of the transducer can now be separated by
pressing down on the screws.
4. Remove the screws 3 and pull the two halves of the cover apart.
5. Disconnect the transducer cable from the crystal board: use a soldering iron to separate
the three cable wires from the board.
Re-assembly is a reversal of the above procedure.
Caution
The use of ultrasound gel that is not approved by Philips may reduce signal
quality and may damage the transducer. This type of damage will not be
covered by warranty.
Note— Older Brown transducers can be repaired but Blue Ultrasound transducers
are sealed units and are factory repairable Only.
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Patient Module (M1364A)
Patient Module (M1364A)
M1364A
ecg_only.tif
Parts List
Table 11-15 Parts List
Exchange Part
Item
Description
Part Number
Qty
Number
2
3
4
ECG-only Patient Module
DECG Cable
M1364-69001
M1362B
M1364-60001
M1362B
1
1
1
MECG Cable
M1363A
M1363A
Troubleshooting The only functional checks that can be carried out on the patient modules and cables are
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Fuses
Fuses
The fuse values are printed beside the mains socket:
For 100-120V Line Voltage
For 220-240V Line Voltage
T500mA/250V
T250mA/250V
To replace the fuses:
1. Switch off the monitor and disconnect it from the main power supply.
2. Using a flat-bladed screwdriver, prise open the fuse cover.
3. Lift the fuse holder slightly and pull it out.
4. Remove the fuse from the holder and replace it with another of the correct value.
5. Slide the holder back into place, aligning the arrow on the holder with the arrow on
the cover.
6. Repeat steps 3, 4 and 5 for the second fuse.
7. Close the fuse cover.
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Batteries
Batteries
If the batteries are not replaced when necessary, the time and date return to their default
values: when you switch on the Monitor the time is set to 0:00 and date to 04:04:44.
Replace batteries with two alkaline AA size 1.5 Volt batteries (recommended type Duracell
AA 1.5 Volt Part Number 1420-0393CP). Follow these instructions to replace the batteries:
1. Switch off the Monitor and disconnect it from the main power supply.
2. Press the handle of the paper table and open it by pulling the table forward - lift out
any paper.
3. Open the battery cover.
4. Replace the batteries (noting their polarity).
5. Close the battery cover, load paper into the tray and push the paper table closed.
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Top Cover
Top Cover
To remove the top cover:
Figure 11-11Rem oving the Top Cover
1. Switch off the Monitor and disconnect the power cable; then remove the board.
2. Remove the five screws (S).
3. Open the paper table.
4. Lift off the top cover.
Caution
If you need to remove the cable (M), the battery supply is also disconnected
from the CPU Board. Data stored in the battery-buffered RAM will be lost.
5. Disconnect the cable (M) if necessary.
To refit the cover, reverse the above procedure.
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Front End Board
Front End Board
To remove the board:
The illustration above shows removal of a rectangular shaped board. The replacement board
is triangular in shape. The design change does not affect the positioning or function of the
board.
Remove the top cover.
1. Disconnect the cable (B).
2. Remove the screws (S).
3. Gently pull the front panel a little to give enough room.
4. Lift out the board.
To refit the board, reverse the above procedure. If you are replacing Front End Board
M1353-69512 with M1350-69517, the transparent plastic cover above the CPU board will
not fit. This cover is no longer necessary. You may discard it.
Note— Before tightening the screws to secure the Front End Board, slide the board
as far as possible toward the front of the unit. This ensures that the
connectors are in their correct positions.
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Power Supply Board
Power Supply Board
To remove the power supply board:
1. Remove the top cover.
2. Disconnect the cables (A and C).
3. Remove the three screws (S). The S2 screws are longer than the S1 screws.
4. Lift out the board.
To refit the board, reverse the above procedure. After refitting the board, carry out the
Table 11-16Fuse Part Num bers
All Fuses
630 mA
2110-0895
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CPU Board
CPU Board
To remove the CPU board:
1. Remove the top cover.
2. Disconnect the cables (B, C, D, E and F).
3. Remove the six screws (S).
4. Lift out the board.
To refit the board, reverse the above procedure. After refitting the board, carry out the
Parameter Test.
Do not forget to program the serial number into the new CPU board using the service
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Combined Interface Module
Com bined Interface Module
To remove the interface module:
1. Remove the retaining screw.
2. Slide the module out of the slot.
Refitting the interface module is the reverse of the above.
Modem Interface Module
To remove the modem interface module:
1. Remove the retaining screw.
2. Slide the module out of the slot.
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Chassis
Chassis
To remove the chassis:
1. Remove the top cover.
2. Remove the combined interface board - if installed.
3. Remove the Front End Board.
4. Remove the six screws (S).
5. Remove the nut from the Earth Grounding Point.
6. Lift out the chassis.
To refit the chassis, reverse the above procedure. Remember to feed the cable from the rear
display board through the slot in the back of the chassis. After refitting the chassis, carry out
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On/Off Switch
O n/O ff Switch
To remove the monitor on/off switch:
1. Remove the chassis.
2. Remove the two screws (S).
3. Remove the earth connection.
4. Disconnect the two cables from the transformer.
To refit the switch, reverse the above procedure. After refitting the switch, carry out the
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Recorder Board
Recorder Board
To remove the recorder board:
Remove the top cover.
1. Disconnect the cables G, H, I, K, and L.
2. Remove the three screws (1 x S1, 2 x S2). The S2 screws are longer than the S1 screw.
3. Remove the cable J.
4. Lift out the board.
To refit the recorder board:
1. Slide the board into the slot. To give a good electrical contact, the board is tensioned
when screwed down.
2. Refit the screws and screw down the board.
Figure 11-12Refitting the Recorder Board
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Display Board
Display Board
To remove the display board:
1. Remove the top cover.
2. Disconnect the cable (H).
3. Remove the two screws.
4. Prise open the retaining clips and lift out the board.
To refit the board, push it into place and refit the screws. Reconnect cable and refit the top
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Switch Board
Switch Board
To remove the switch board:
1. Remove the top cover.
2. Disconnect the cable (L).
3. Prise open the retaining clips and lift out the board.
To refit the board, push it into place (where it is held by the retaining clips), reconnect cable
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Loudspeaker
Loudspeaker
To remove the loudspeaker:
1. Remove the top cover.
2. Disconnect the two wires from the loudspeaker.
3. Remove the single screw (S1).
4. Remove the screw securing the loudspeaker bracket, and slide the bracket away from
the speaker.
5. Lift out the loudspeaker.
To refit the loudspeaker, reverse the above procedure. After refitting the loudspeaker, carry
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Transformer
Transform er
To remove the transformer:
1. Remove the top cover.
2. Disconnect the three wires from the On/Off Switch.
3. Disconnect the cable from the Power Supply Board.
4. Remove the four screws and washers (S).
5. Lift out the transformer.
To refit the transformer, reverse the above procedure. After refitting the transformer, carry
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Drawer Assembly
Drawer Assem bly
To remove the drawer assembly:
Figure 11-13 Rem oving the Paper Table
1. Remove the top cover and the Recorder Board.
2. Place the cover with the paper table facing upwards and slide back the drawer
assembly.
3. Remove the two countersunk screws (S2).
4. Turn over the cover and place it so that the stepper motor is on the left and facing
upwards.
5. Remove the RFI bracket:
a. Remove the two screws (S1 - one on left side, one on right side).
b. Pull up and lift out the RFI bracket (it is fitted with a lug).
6. Remove the recorder chassis:
a. Remove the two screws (S3 - one on left side, one on right side).
b. Lift out the recorder chassis.
7. Slide the paper table through the gap exposed by the recorder chassis.
To refit the paper table, reverse the above procedure taking note of the following:
Secure the two countersunk screws (accessed from top cover) before securing the
recorder-chassis screws.
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Thermal Printhead
Caution
The use of recorder paper that is not approved by Philips can damage the
Monitor. This type of damage will not be covered by warranty.
Note— For more detailed illustrations of the enhancements to the recorder, see
Therm al Printhead
Before you can remove the thermal printhead, you must first remove the top cover,
Recorder Board, and the recorder chassis:
1. Remove the top cover and the Recorder Board.
2. Place the cover with the paper table facing upwards and slide back the drawer
assembly.
4. Turn over the cover and place it so that the stepper motor is on the left and facing
upwards.
5. Remove the RFI bracket:
b. Prise up and lift out the RFI bracket (it is fitted with a lug).
6. Remove the recorder chassis:
b. Lift out the recorder chassis.
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Thermal Printhead
To remove the thermal printhead:
1. Place the recorder chassis so that the stepper motor is on the left and facing upwards.
Note— Sandwiched between the printhead and its bracket are two conical springs.
Therefore, be careful when doing the next step that the springs do not jump
out.
2. Gently, slide the printhead towards you and remove the springs.
3. Turn over the printhead assembly and remove the four screws to release the printhead.
Caution
Take care not to touch the surface of the printhead or to lose the springs.
To replace the thermal printhead:
1. Loosely, secure the new printhead to its holder with the four screws.
2. Tighten the two screws at the front first (opposite side to cable connector), then the
remaining two screws.
3. Refit the conical springs - you may need to open them a little and hook them into the
recesses in the thermal printhead holder.
4. Position the printhead holder over the spacer slots of the recorder chassis, press down
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Recorder Sensing Assembly
and slide it into position.
5. Refit the recorder chassis into the top cover.
6. Refit the RFI bracket.
7. Refit the countersunk screws.
8. Reconnect the printhead connector.
9. Refit the recorder board.
10. Reconnect the recorder-board cables.
Note— Do not fit a screw into the vacant screw position near the stepper motor.
This screw position is reserved.
Recorder Sensing Assem bly
To remove the recorder sensing assembly:
1. Remove the top cover and Recorder Board.
2. Remove the RFI bracket.
3. Remove the screw securing the recorder sensing assembly.
4. Disconnect the cable.
To refit the recorder sensing assembly, reverse the above procedure.
Caution
The use of recorder paper that is not approved by Philips can damage the
Monitor. This type of damage will not be covered by warranty.
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Stepper Motor
Stepper Motor
To replace the stepper motor:
1. Remove the two screws securing the stepper motor to the recorder chassis.
2. Replace the stepper motor.
3. Refit screws but do not tighten! The upper slot on the stepper motor allows fine
adjustment when meshing the gears together.
4. Close the drawer assembly.
5. Gently, mesh the stepper-motor gear with that of the paper roller.
Caution
Do not press the gears together or exert any pressure on the stepper-motor
spindle.
When in place, tighten the two screws.
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Introduction
A
Modem Interface Module
Introduction
The modem interface module allows fetal trace information to be transmitted from a Series
50 A/IP-2 Fetal Monitor to a receiver that is part of an OB TraceVue system.
The modem interface module (with the addition of an approved PCMCIA modem) enables
fetal traces to be transmitted over a standard telephone line. The receiver software displays
the trace information, allowing it to be reviewed, printed and stored.
Warning
To avoid possible electrical hazards:
Whenever a patient is connected to the fetal monitor the cable to the telephone system
must be disconnected.
Never touch open contacts on the cable which is connected to the telephone system.
Fitting the Modem Interface Module
To connect the modem interface module:
1. Remove the cover (or any other interface module) from the Interface Socket on the
monitor.
2. Connect the modem interface module to the Interface Socket.
3. Once the module is fitted, secure it in position by fixing it to the base of the monitor
with the screw provided.
Figure 11-14 Fitting the Modem Interface Module
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Connecting Peripheral Devices
Connecting Peripheral Devices
After you have fitted the module, connect the following peripheral devices:
1. Connect the barcode reader to the module’s RS232 interface socket (1). (The auxiliary
serial port (2) allows connection to a PC but has no Philips software support.)
2. If necessary, connect a phone-line adapter and secure it to the module with cable
fasteners or Velcro-type strip.
3. Checking it is the correct way up, insert a Philips approved PCMCIA card modem
into the card connector port (3), pushing it until it is slotted in position.
4. Following the telephone connection recommendations given by the PCMCIA card
modem manufacturer and your local telephone company, connect the socket at the
rear of the PCMCIA card modem, or phone-line adapter to the telephone wall jack.
Figure 11-15 Connecting Peripheral Devices
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Connecting Peripheral Devices
Barcode Reader Once the barcode reader is installed, check that it is operating correctly. See the User’s
Interface
Guide for your monitor for instructions on how to use the barcode reader.
1. Use the barcode reader to scan Test Barcode 1 and then Test Barcode 2 from the
barcode sheet.
2. Check that TEST OK5 is printed on the paper. If it is not, switch the monitor off and
on, and repeat the test. If it is still not printed, connect a new barcode reader.
The barcode reader interface has voltage levels of ±12V, 9600bd, max.1 byte/20 ms. The
connector is a female D-type, 9-pin subminiature connector.
The following table lists the signal at each pin:
Pin
Signal
Details
1
2
3
4
5
6
7
8
9
CD
Carrier detect (connected to pin 4)
Receive data from external devices
Transmit data to external devices
Data Terminal Ready (connected to pin 1)
RS232 Gnd
I: RxD
I: TxD
DTR
Gnd
-
Not connected
B_Gnd
-
Barcode Reader Gnd
Not connected
B_Vcc
Barcode: +5V, 10mA (idle) to 35mA (configure)
The supply current to pin 9 depends on the modem card connected to the PCMCIA
interface port; up to 300mA maximum. To ensure the correct power-on sequence for the
Barcode Reader, pin 9 of the interface is switched on only when the monitor's power supply
has stabilized.
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Connecting Peripheral Devices
RS232 Serial
Interface
This RS232 Serial Interface connection enables the monitor to be connected to a PC (no
Philips software supplied). The connector is a female D-type, 9-pin subminiature connector
with a baudrate of 9600.
The following table lists the signals at each pin.
Pin
Signal
Details
1
2
3
4
5
6
7
8
9
I: DCD
I: RxD
I: TxD
0: DTR
Gnd
Data carrier detect
Receive data from external devices
Transmit data to external devices
Data Terminal Ready
RS232 Gnd
-
Not connected (I: DSR)
0: RTS
I: CTS
-
Request to send (connected to pin 8)
Clear to send (connected to pin 7)
Not connected (O: Ring)
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Entering, Storing, and Transmitting Data
Entering, Storing, and Transm itting Data
Actions associated with the storage and transmission of fetal trace information are initiated
by using a barcode reader. Use the reader for:
Entering the receiver phone number.
Entering the patient phone number.
Entering the patient ID.
Clearing stored fetal trace data.
Starting storage of the patient’s fetal trace.
Displaying the amount of minutes of fetal trace data stored in the memory.
Transmitting stored data.
Stopping the storage and transmission of data.
You must enter the receiver phone number. You should also enter at least either the patient
phone number, or the patient ID.
The Receiver Phone: provides a destination (receiver location) for the modem to
transmit its fetal trace data to. If the receiver telephone number doesn’t change, this
information needs to be entered only once.
The Patient Phone: aids in the correct assignment of the transmitted fetal data to the
patient’s file. It also enables the receiver to phone the patient’s location and provide or
request information. This information must be updated for each new patient. It is not
essential, but highly recommended.
The Patient ID: aids in the correct assignment of the transmitted fetal data to a
patient’s file by giving each patient a unique (alphanumeric) identity code. This
information must be updated for each new patient.
Once this information has been entered successfully, the storage and transmission of fetal
trace data can take place.
Note— All the barcodes you need to use this remote monitoring facility are on the
sheet of barcodes supplied with the modem interface module. The sheet has
two sides, one side is called Patient Identification, the other is called
Entering Telephone Numbers. This sheet is NOT part of the Series 50 Fetal
Monitors Nursing/Midwife Notes package.
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Entering, Storing, and Transmitting Data
Setting the
Receiver Phone
Num ber
To enter the Receiver Phone number (maximum of 20 characters):
1. Scan the Receiver Phone Barcode.
2. The telephone network will use a Pulse or Tone based switching system. Determine
which is used (consult your local phone company for information), then first enter the
appropriate Pulse or Tone barcode before scanning the digits of the Receiver Phone
number.
3. From the numeric barcode list, scan each of the numbers that form the receiver phone
number. If appropriate, remember to begin with whatever prefix necessary to get an
outside line.
4. Scan the Enter barcode to store the information (automatic entry of scanned data after
15s).
If an error is made while entering information, scan the Cancel barcode to clear the data and
start the process again from the beginning.
Note— If the recorder is running before you enter the Receiver Phone information
Rec.Phone: and the telephone number will be printed on the recorder paper.
Setting the
Patient Phone
Num ber
To enter the Patient Phone number (maximum of 20 characters):
1. Scan the Patient Phone barcode.
2. From the numeric barcode list, scan each of the numbers that form the patients phone
number.
3. Once this is finished, scan the Enter barcode to store the information (information is
automatically ’entered’ after 15 seconds).
If an error is made while entering information, scan the Cancel barcode to clear the data and
start the process again from the beginning.
Note— If the recorder is running before you enter the Patient Phone information,
Pat. Phone: and the telephone number is printed on the recorder paper.
Setting the
Patient ID
The Patient ID (maximum of 16 characters) can consist of either letters, numbers, or a
combination of both (alphanumeric). You could use the patient’s name as the Patient ID. To
enter the Patient ID:
1. Scan the Patient ID barcode.
2. Using the alphanumeric barcode list, scan each of the letters or numbers that form the
Patient ID.
3. Once this is finished, scan the Enter barcode to store the information (information is
automatically ’entered’ after 15 seconds).
If an error is made in entering information, scan the Cancel barcode to clear the data and
start the process again from the beginning.
Note— If the recorder is running before you enter the Patient ID information,
Pat ID: and the ID number will be printed on the recorder paper.
When you send a trace you input patient identification data, you can choose whether you
want the Monitor to retain all the patient identification data you input, after her trace is
transmitted and the memory cleared, or whether you prefer to clear the patient data at the
same time you clear the memory.
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Entering, Storing, and Transmitting Data
Keep Patient Data If you use the Monitor regularly for the same patient, you will probably want to retain her
after Transm ission
or W hen Clearing
Trace Mem ory
patient identification data, so you do not have to reinput it each time you send a trace. Scan
Keep Patient Data after Transmission once. The monitor will retain the following data, even
after the storage is cleared:
patient identification
patient phone number
receiver phone number
This becomes the default setting and remains unless you subsequently scan Clear Patient
Data after Transmission.
Clear Patient Data If you use the Monitor for many different patients, you will want to clear patient
after Transm ission
or W hen Clearing
Trace Mem ory
identification data after each transmission. Scan Clear Patient Data after Transmission once.
When the storage is cleared, the monitor erases:
patient identification
patient phone number
It retains the receiver phone number. This becomes a default setting and remains unless you
subsequently scan Keep Patient Data after Transmission.
Clearing
Mem ory
To prevent accidental erasure of data, the instruction Clear Memory requires two scans of the
Barcode Reader. To clear all fetal trace data stored in the memory:
1. Scan the barcode Clear Memory.
2. The first scan displays the amount of fetal trace stored (in minutes) in memory.
3. On the second scan, any fetal trace stored in the systems memory is cleared and 0 is
briefly displayed, showing the memory is empty.
The Clear Memory barcode is used to clear any fetal trace stored in memory (use the Stop
Storing barcode if you wish to halt either the storage or transmission of data). If the barcode
Clear Memory is scanned during either the process of storage or transmission, the command
is ignored.
Patient ID and Phone Number are cleared only if your monitor defaults to Clear Patient
Data after Transmission.
Starting Storage To record fetal trace data and store it in memory:
1. When the barcode Start Storing is scanned, 0 is briefly displayed, indicating that the
trace memory is empty.
2. The 0 displayed then clears. The normal transducer display is given and two flashing
decimal dots (three in the case of the Series 50 A Dual Ultrasound model) flash on and
off (2Hz) indicating that storage is taking place.
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Entering, Storing, and Transmitting Data
3. The decimal dots continue to flash until storage is stopped. Then the dots are
displayed continuously to indicate that a trace is stored in memory.
If the barcode Start Storing is scanned and the memory is not empty, the fetal trace stored in
the memory is briefly displayed (in minutes). But since the memory already has data stored,
the Start Storing command is ignored.
If you want to store a new trace, scan the Clear Memory barcode twice (used to clear a fetal
trace stored in memory) and scan the Start Storing barcode.
If the barcode Start Storing is scanned and the storage process is already running, the
amount of fetal trace stored (in minutes) is displayed briefly. But since storage is already in
operation the Start Storing command is ignored.
Displaying
Mem ory
To determine the amount of fetal trace (in minutes) stored in the memory:
1. Scan the barcode Display Memory. The fetal trace stored in memory is then briefly
displayed (in minutes) and then clears.
Whenever the decimal dots are displayed, the barcode Display Memory can be scanned to
determine the amount of trace stored in memory. This will not affect either the storage or
the transmission processes.
Stopping the
Storage or
Transm ission of
Data
To halt either fetal trace storage, or the transmission of data:
1. Scan the barcode Stop Storing.
2. If either fetal trace storage, or the transmission of data is in process when the Stop
Storing barcode is scanned, the process is halted.
3. The amount of fetal trace stored in memory (in minutes) is briefly displayed.
Transm itting
Data
To transmit stored fetal trace data to the receiver station:
1. Connect the phone line.
2. Scan the barcode Transmit Data (if Transmit Data is scanned while the fetal trace is
being stored, the storage of data is halted). The amount of fetal trace stored in the
memory is displayed (in minutes) while transmission takes place.
3. Once the modem has made the telephone link with the remote receiver station, the
stored fetal trace is transmitted. The amount of fetal trace displayed (in minutes) then
counts down until at 0, all the data has been transmitted.
4. If the transmission of the stored trace is successful, a double tone sounds (beep, beep!)
in acknowledgment and the display clears.
5. The trace is automatically erased from the fetal monitor after a successful transmission.
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PCMCIA Card Modem
If transmission problems occur, the fetal monitor automatically attempts to resend the
remaining trace (up to three times). If these retries fail, and data transmission stops, you will
see the error message ERR77 and hear a triple beep tone (beep, beep, beep!). The fetal
monitor will make no more attempts to resend data. Acknowledge the error message by
scanning the barcode Display Memory or by pressing a key, such as
. You can try to
If the barcode Transmit Data is scanned and the transmission of the stored trace is
unsuccessful:
1. The error message Err 77 is displayed and a triple tone (beep, beep, beep!) is
produced. Acknowledge the error message by scanning the barcode Display Memory or
by pressing a key, such as
.
2. The error message Err 77 clears and two (three in the case of the Series 50 A Dual
Ultrasound model) decimal dots are permanently displayed, indicating that fetal trace
data is still stored in the memory.
When fetal trace data is sent to the receiver, it is sent in data-blocks (or packages). If a
package is received successfully, the next package is sent - and so on until all data has
been received successfully. If transmission is interrupted, scan the barcode Transmit
Data to start the transmission process again. The system remembers the last package
that was received successfully and continues with the next package.
If the barcode Transmit Data is scanned and no fetal trace is stored in memory, 0 is briefly
displayed. Since there is no data stored, no transmission takes place.
PCMCIA Card Modem
The modem interface module accepts PCMCIA card modems only. To fit the PCMCIA
card modem follow the manufacturer's recommendations. An Err 70 error message
accompanied by three tones (beep, beep, beep!) if:
The modem is defective.
The modem is installed incorrectly.
The modem is not compatible (not a model approved by Philips).
The interface board is faulty.
The PCMCIA card modem is not supplied by Philips. If it is found to be faulty, contact the
card's supplier.
Note— Only use PCMCIA card modems approved by Philips.
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PCMCIA Card Modem
Modem
Com patibility
To ensure compatibility with local telephone systems, modems must be obtained locally.
The following table shows which modems are currently suitable for remote trace
transmission to an obstetrical information surveillance system such as OB TraceVue in the
countries listed. As modem technology changes rapidly, we recommend that you consult the
Philips Technical Marketing information pages "SoftServer" on the Intranet at http://www-
softserver.germany.agilent.com for up to date information on modem compatibility.
Table 11-17
Fetal Monitor Sender Modems (PCMCIA)
Europe, Australia
USA, Canada
MT1432 LT1
MT2834 LT1
PSION DACOM Gold Card Global 56k + FAX
ELSA MicroLink 56k MC
MT1432 LT
MT2834 LT
PSION DACOM Gold Card Global 56k + FAX
ELSA MicroLink 56k MC
See the website http://www.multitech.com for more information on MultiTech modems
and distribution. The ELSA MicroLink modem 56k is available from local ELSA dealers or
distributors.
Modem
Initialization
The fetal monitor modem initialization commands (for Multitech modems) are:
AT M1
E0
speaker on until connected
no local echo
Q0
enable results codes
V0
not verbose result codes
disable baud rate adjust
use hardware handshake
escape character is +
dial time is 50 seconds
$BA0
&E4
S2=43
S7=50
Using the
Modem Setup
Barcodes
You do not need these barcodes when working with standard telephone lines. You may need
them to configure the modem for special conditions such as local branch exchange. Ensure
that the operating instructions for the PCMCIA-modem are available. You can cancel the
barcodes.
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List of Parts
Program m ing a 1. Scan the “Start Modem Setup” barcode.
Modem Setup
2. Use the barcodes to enter the setup according to the operating manual of the modem
you are using.
Sequence
3. Scan “Finish Modem Setup” to enter the modem setup you have just programmed.
4. Check the operation of the setup by using the codes on the Patient Identification
barcode sheet.
Perm anently Scan the following barcodes, in the order given below:
Storing a Modem
Setup Sequence
1. Start Modem Setup
2. Store Settings
3. Finish Modem Setup
To erase your custom setup, and restore the factory setting, scan Recall Factory Setting of
Modem.
List of Parts
Description
Interface Board
Part Number
M1353-69532
Barcode Overlay
M1353-44312
1400-0507
Cable Fasteners (x4 at 20cm)
Velcro-Type Strip (20cm)
0570-0634
Troubleshooting and Error Messages
page 69 remain the same once the modem interface module option has been added. The
additional error messages unique to this option are:
1. Err 70 PCMCIA card modem not responding, accompanied by three tones (displayed
for 10 seconds).
The Modem is either incorrectly installed, faulty or not an approved model.
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Troubleshooting and Error Messages
2. Err 77 Telephone transmission failed, accompanied by three tones (displayed for ten
seconds).
The telephone line is either busy, faulty, disconnected, or the Tone/Pulse information is
missing. If the line is busy wait a short time and transmit the data again, if the Tone/
Pulse information is missing correct it and transmit the data again.
3. Err 532 Interface board failed (displayed for ten seconds).
Failure of the 532 Board will prevent data from being transmitted and may possibly
generate Err 70 and/or Err 77 messages.
In the event of a power fail, the normal Series 50 A/IP features apply, in addition to these:
Fetal trace storage can not be continued after a mains failure. If the length of the
stored trace following a mains failure is not large enough, clear the memory and record
a new fetal trace.
If the transmission of fetal traces is interrupted by a mains failure, the stored minutes
can still be transmitted.
If the power supply fails and the internal batteries are flat, any fetal trace stored in the
memory is lost. The loss of memory will be accompanied by the loss of date/time,
Toco offset and the error log. Once the power supply is reinstated the real time clock
will restart and display:
4.4.44 00:00.
If the transmission sequence goes smoothly through the start phase, dialing phase and even
begins the transmitting phase, but then stops each time you try to send, the problem could
be that the serial number of the sending fetal monitor is not configured correctly at the
receiving OB TraceVue system. Check this at the receiver site.
Telephone
Connection
Telephone wall jack connections will differ from one country to another. To determine the
appropriate telephone jack needed to connect the PCMCIA card modem to the telephone
network of a particular country, contact the card’s suppliers.
Telephone switching systems can differ from region to region (larger buildings/
organizations may also have their own exchange). Older telephone exchanges use a Pulse
switching system, while more modern ones use a Tone. Having determined which system is
used, first enter the appropriate Pulse or Tone barcode before scanning the digits of the
Patient or the Receiver phone number.
Failure to scan the appropriate Pulse or Tone barcode before entering the Patient or the
Receiver phone number, will result in the error message Err 77 (phone transmission failed),
accompanied by three tones beep!) when the fetal trace data is transmitted.
166
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Troubleshooting and Error Messages
If you are unable to transmit a stored fetal trace, having selected the appropriate Pulse or the
Tone barcode, follow the steps listed below until the problem is resolved:
1. Switch on the recorder and enter the receiver-phone number.
2. Look on the recorder print-out and check the receiver phone number is correct. If it is
not, follow the instructions given in the section Setting the Receiver Phone Number
found in this chapter.
3. Using a telephone on the same line, call the receiver number and check if it is clear,
engaged or disconnected. If there is a problem with the telephone line contact the
telephone service supplier.
4. Check that the PCMCIA card modem is approved by Philips and that it and the
connections between the modem and the telephone wall jack are correctly fitted in
accordance with the telephone line supplier and the modem manufacturers
recommendations.
5. Check the printed recorder trace to see if the correct Pulse or Tone barcode has been
scanned when the Receiver Phone Number was entered (a P or a T is printed on the
trace to indicate this). If the incorrect Pulse or Tone barcode has been scanned follow
the instructions given in the section Setting the Receiver Phone Number in this chapter.
To confirm whether the exchange you are using is Pulse or Tone, contact your
telephone service supplier. Alternatively telephone the Receiver Phone Number and
listen to the line being connected. If the telephone line clicks during dialing (caused by
the operation of relays at the exchange) then the system is Pulse, if it makes a series of
electronic sounds, then the exchange is Tone.
Transmission problems associated with the interface board raise the error message Err 532.
To determine the source of any problem follow the instructions listed in
If transmission problems are due to a faulty modem card the error message Err 70 is raised.
If the problem is either PCMCIA card modem or telephone line based, repair or
replacement is the responsibility of the supplier.
Private phone switching systems sometimes do not use Tone or Pulse dialling. Proper
operation of the remote transmission is not possible with some of these systems.
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Modem Setup Barcodes
Modem Setup Barcodes
to use them.
Service
Barcodes
Table 11-18Service Barcodes
Start Modem Setup
'ꢀB/@B.ꢁ=23;.ꢀ3BC>'
a
k
u
1
'/' '9' 'C' 'ꢂ'
b
l
v
2
'0' ':' 'D' 'ꢃ'
w
c
m
3
'1' ';' 'E' ' '
d
n
x
4
'2' '<' 'F' '!'
e
o
y
5
'3' '=' 'G' '"'
6
f
p
z
'4' '>' 'G' '#'
g
q
7
'5' '?'
'$'
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Modem Setup Barcodes
Table 11-18Service Barcodes
h
r
%
8
'6' '@' '*' '%'
i
s
$
9
'7' 'A' ')' '&'
0
j
t
-
'8' 'B' '(' '*'
Recall Factory Setting of Modem
'ꢄ31/::.ꢁ=23;.,/1B=@G.ꢀ3BB7<5'
Blind Dial
'-:7<2..7/:'
Store Setting
'ꢀB=@3.ꢀ3BB7<5'
Cancel Modem Setup
'//<13:.ꢁ=23;.ꢀ3BC>'
Finish Modem Setup
',7<7A6.ꢁ=23;.ꢀ3BC>'
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Modem Setup Barcodes
170
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Safety Information
B
Safety and Environm ent
Safety Inform ation
Follow these guidelines for maximum patient safety:
Protective Earth Check each time before use that the Monitor is in perfect working order and properly
grounded.
Warning
Shock hazard: any interruption of the protective earth grounding will cause a
potential shock hazard that could result in serious personal injury. Whenever it is
likely that the protection has been impaired, the Monitor must be made inoperative
and be secured against any unintended operation.
To protect hospital personnel and the patient, the cabinet must be grounded.
Accordingly, the Monitor is equipped with a 3-wire power cable that grounds it to the
power line ground when plugged into an appropriate 3-wire receptacle. Do not use a
3-wire to 2-wire adapter with the Monitor.
Position the patient cable so that it does not come into contact with any other
electrical equipment. The cable connecting the patient to the Monitor must be free of
electrolyte.
Make sure that the Monitor is free from condensation during operation. This can
form when equipment is moved from one building to another, and is exposed to
moisture and differences in temperature.
Warning
There is a possible explosion hazard if the Monitor is used in the presence of
flammable anesthetics. Always disconnect the Monitor from the power supply before
removing the top cover. If servicing requires that the power be on while the cover is
removed, proceed with extreme caution. Failure to do so can result in serious injury.
Patient Safety
The Monitor should only be used by, or under the direct supervision of, a licensed physician
or other health care practitioner who is trained in the use of fetal heart rate monitors and in
the interpretation of fetal heart rate traces.
Appendix B Safety and Environment
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Environment
The Monitor is designed to fulfill safety requirements according to IEC 60601-1, UL 544
and CSA C22.2-601.1-M90. It is not intended to be used for direct cardiac application and
it is not defibrillator-protected.
The external Toco transducer (M1355A) is equipment type B
.
M1351A:
M1353A:
Connecting the transducer to the Toco channel results in B
condition.
Connecting the transducer to the Toco channel results in CF
condition.
The IUP pressure transducer (CPJ840J5) IUP quartz transducer (1290A and the 1290C)
are equipment type CF
condition.
. Connecting the transducers to the Toco channel results in CF
The ultrasound transducer (M1356A) is equipment type B
transducer to the US channel results in B condition.
. Connecting the
M1353A:
The DECG transducer (M1357A) and MECG transducer
(M1359A) are equipment type CF
. Connecting the
transducer to the ECG channel results in CF condition.
Environm ent
Use the monitor in an environment that is reasonably free from vibration, dust, corrosive
or explosive gases, flammable agents, extremes of temperature, humidity and so forth. It
operates within specifications at ambient temperatures between 0 and 55oC. Ambient
temperatures that exceed these limits can affect the accuracy of the monitor and cause
damage to the components and circuits. Only products that fulfil the necessary safety and
electrical standards should be used in conjunction with the monitor (contact your local
response center for details).
Allow at least 5cm (2in) clearance around the monitor for proper air circulation. If the
monitor is mounted in a cabinet, allow sufficient space at the front for operation and at the
rear for servicing with the cabinet door open.
172
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Spillage
Spillage
If liquid enters the monitor, you must cease using it immediately. Contact an authorized
engineer for a safety inspection.
Electrom agnetic Com patibility
The electromagnetic compatibility (EMC) validation includes testing performed according
to the international standard for EMC with medical devices. See the Manufacturer’s
Declaration for details.
EMC Testing
During the test program the monitor was subjected to international standard and Philips
proprietary EMC tests. During most of the testing no anomalies were observed. Some
reduced performance was observed with the IEC 801-3 Radiated Immunity and IEC 801-
4 Fast Transient/Bursts Immunity tests.
IEC 801-3 specifies that the product must be subjected to a field of 3V/m over a frequency
range of 26 to 1000 MHz with no degradation of performance. At many of the test
frequencies over the specified range no anomalies were observed. However increased jitter
of SpO2 values and DECG derived fetal heartrate values was observed at a number of test
points. For these test points the radiated field was reduced to the level at which the trace
returned to normal. These reduced levels are shown in the table below.
Immunity
Parameter
IUP
Sensor
M1333A
Frequency Range
Level
26 MHz to 1000 MHz
0.5V/m
IEC 801-4 specified that the product is subjected to high speed pulses up to 1000 V
applied to the power cord and all I/O cables. During and after most of the test pulses, no
anomalies were observed. However in rare cases the ultrasound channel had been triggered.
Burst Immunity Level
Parameter
Ultrasound
Sensor
M1356A
600 V
System
Characteristics
The phenomena discussed above are not unique to the monitor but are characteristic of
patient monitors in use today. This performance is due to very sensitive high gain front
end amplifiers used to process the physiological signals from the patient. Among the many
similarly performing monitors already in use by customers, interference from
electromagnetic sources is rarely a problem.
Appendix B Safety and Environment
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Electromagnetic Compatibility
Avoiding
Interference
When electromagnetic interference (EMI) is encountered there are a number of things that
can be done to mitigate the problem.
1. Eliminate the source. Possible sources of EMI can be turned off or moved away to
reduce their strength.
2. Attenuate the coupling. If the coupling path is through the patient cables the
interference may be reduced by moving and/or rearranging the cables to a different
location of the monitor. If the coupling path is through the power cord, plugging the
monitor into a different mains circuit may help.
3. Connect the equipotential terminal of the monitor to the corresponding terminal of
your mains installation.
4. Add external attenuators. If EMI becomes an unusually difficult problem, external
devices such as an isolation transformer or a transient suppressor may help. A Philips
customer engineer can assist you in determining the need for external devices.
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C
Upgrade Key
Introduction
This section tells you how to use an upgrade key to upgrade the software of the Philips
Series 50 A and IP-2 fetal monitors. Option C01 (adding twin ultrasound capability),
applies only to the 50A .
Upgrade Procedure
1. Disconnect all transducers (and telemetry) from the monitor.
2. Switch on the monitor.
monitor (if applicable, first remove the little plastic cap on the service socket).
•
•
The “start upgrade” tone sounds (two short beeps) when the upgrade begins.
After about 45 seconds the fetal monitor display should change to
“-8-”.
•
Within 7 minutes, the display counts down to “-0-”.
4. At the end of the procedure, you will hear the “upgrade successful” tone (a continuous
beep lasting two seconds). The monitor display shows “-0-”. Unplug the upgrade key
from the monitor.
If you don’t hear the “start upgrade” tone or you hear the “upgrade failed” tone (a
series of short beeps lasting 2 seconds), there may be several reasons:
•
•
The battery in the upgrade key may be low. Replace the battery.
You may already have carried out the maximum number of upgrades. The
upgrade key is programmed to perform the number of upgrades ordered, to a
maximum of 8.
If you hear the upgrade failed tone, (a series of short beeps lasting 2 seconds), disconnect the
upgrade key and try again from step 3 above.
the same as that described in this manual, contact Philips Support Service.
5. Write the serial number of the upgraded monitor in the space provided on the key. In
this way you can keep a record of the monitors that have been upgraded.
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Upgrade Procedure
6. Stick the feature label to the front of the monitor, as in the example below:
A: Fetal Movement Profile
B: Dual Ultrasound
7. Switch the monitor off and then on: it will perform the power-on self-test. If an error
message is displayed, contact Philips. If “-8-” is displayed, the upgrade was not
successful. Try the upgrade again from the beginning.
If “--- --- ---” is displayed, the new software is installed and checked. Please
refer to the Instructions for Use for information on necessary performance assurance.
Repeat steps 1 to 7 for each monitor to be upgraded.
When the upgrade key has performed as many upgrades as it was programmed to perform,
return it to Philips for recycling. Please contact your nearest Philips Service Center for
details.
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Index
A
displaying memory
drawer assembly
frontend board
Accessories
B
E
earth
electromagnetic interference
FSpO2
earth test, 104
error flowchart
error log
external devices
external maternal parameters
boards
functional description
66502), 55
fuse
C
cables
carts
combined
description, 60
combined interface module
configuring the monitor
connecting
CPU board
G
gain
I
information
interface
parameters, 107
IUP
F
cyclic test
fetal pulse oximetry
FHR trace
flowchart
IUP transducer
D
L
date and time
flowcharts
language option
loudspeaker
DECG transducer
digital connection
part numbers, 10
display
M
M1351A
M1353A
Index
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trace, 112
O
OBMS
program
MECG transducer
Metron
modem
ODIS
options
Q
R
recorder
overview
description, 60
description, 59
remote event marker
Module, 142
repair
replacement and removal
P
paper
module, 165
parts
parts list
specifications, 10
monitor
patient modules
phone number
mounting
pin connections
N
N-400
S
safety
NIBP monitor
power supply
178
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safety test connector
Safety test S2
starting storage
Safety test S3
Safety test S6
Safety tests
stopping storage
symbols
system
U
T
telemetry system
service
testing
V
service program
time and date
Toco
Toco transducer
voltage
W
service tests
setting
transducers
troubleshooting
specifications
Index
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