®
System 9750
Relay Interface
CM9750-REL Series
Relay Interface
Installation/
Operation Manual
C534M (2/98)
In North America and Canada: Tel (800) 289-9100 or FAX (800) 289-9150
International Customers: Tel (1-559) 292-1981 or FAX (1-559) 348-1120
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1.0 GENERAL
1.1 IMPORTANT SAFEGUARDS AND WARNINGS
Prior to installation and use of this product, the following WARNINGS should be
observed.
1. Installation and servicing should only be done by Qualified Service Personnel
and conform to all Local codes.
2. Only use replacement parts recommended by Pelco.
3. After replacement/repair of this unit’s electrical components, conduct a resis-
tance measurement between line and exposed parts to verify the exposed
parts have not been connected to line circuitry.
The product and/or manual may bear the following marks:
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this
unit.
CAUTION:
RISK OF
ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION:
TO REDUCE THE RISK OF ELECTRICAL SHOCK,
DO NOT REMOVE COVER. NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL.
Please thoroughly familiarize yourself with the information
in this manual prior to installation and operation.
Pelco Manual C534M (2/98)
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2.0 DESCRIPTION
The Relay Interface units of the CM9750-REL Series provide up to 32 relay con-
tacts for operating external equipment such as VCRs and lights. (The unit is shipped
from the factory equipped with 16 outputs.) Each of the relays can be configured for
normally open or normally closed operation by the placement of internal jumpers.
The unit is shipped with the contacts in the normally open position. Each Relay
Interface unit provides outputs for four GPIs (each GPI controls 8 relays). Refer to
Figure 1 for the front and rear view of the unit.
2.1 MODELS
CM9750-REL16
Provides 16 relay outputs. Includes transformer to convert 120
VAC to 24 VDC.
CM9750-REL16-X Same as CM9750-REL16 except has 230 VAC transformer.
System 9750
Relay Interface
RELAYS 11 - 20
RELAYS 1 - 10
RELAYS 21 - 32
POWER INPUT
RELAY 32
RELAY 1
FUSE
INPUT FROM
CM9750/CM9760
TYPICAL FOR ALL
RELAY OUTPUTS
Figure 1. Front and Rear Views of the CM9750/CM9760 Relay Interface Unit
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2.2 CIRCUIT DESCRIPTION
The Relay Interface consists of two relay cards (with additional room for two more),
one motherboard, and one power supply board. The unit receives TTL level signals
from the GPI SPINC card (located in the CM9750/CM9760 Controller) through the
50-pin connector on the rear panel of the unit. This TTL signal is then inverted and
applied to the corresponding relay to close the contact. The position of the strap
determines the condition of the output. Refer to Figure 2.
JUMPER
3
NC
NO
2
RELAY
1
OUTPUT
COM
TYPICAL FOR ALL
RELAY CIRCUITS
TTL IN
+12 VDC
RELAY
MAX DC CURRENT 1 AMP
Figure 2. Relay Output Functional Schematic
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3.0 INSTALLATION
3.1 MOUNTING INSTRUCTIONS
NOTE: The Relay Interface unit can
be configured to provide either nor-
mally open or normally closed relay
outputs. The unit is shipped with all
outputs in the normally open mode
of operation. If you need to configure
outputs for normally closed opera-
tion, refer to Sections 3.5 and 3.6
prior to mounting the unit.
The Relay Interface mounts in a 19-inch (48.26 cm) rack using standard mounting
hardware. The unit occupies 1 rack unit (1.75 in. or 4.45 cm) of vertical space. The
unit operates on TTL signals from the Controller. Because of distance limitations,
the unit must be mounted in the same rack as the Controller for proper operation.
3.2 CONNECTING TO THE CONTROLLER
The unit comes equipped with a pretested, 3-foot (0.91m) ribbon cable to connect
to the SPINC card located in the Controller. Prior to connecting the equipment, refer
to the Controller Manual for installation information.
To connect the two pieces of equipment, connect the supplied cable to the 50-pin
connectors located on the Relay Interface and the Controller. Refer to Table A for
the connector pin assignments.
3.3 CONNECTING POWER
The unit comes equipped with a 120 VAC or 230 VAC to 24 VDC wall-mount trans-
former. Plug the transformer into an appropriate location and connect the other end
to input connector on the rear of the unit. The unit is operational once power is
applied to the unit.
Table A. 50-Pin Connector
Function
Pin
Function
Pin
+5V
+12V
NC
NC
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
+5V
-12V
NC
NC
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
GND
GPI 1 (8)
GPI 1 (6)
GPI 1 (4)
GPI 1 (2)
NC
GPI 2 (8)
GPI 2 (6)
GPI 2 (4)
GPI 2 (2)
NC
GPI 3 (8)
GPI 3 (6)
GPI 3 (4)
GPI 3 (2)
NC
GPI 4 (8)
GPI 4 (6)
GPI 4 (4)
GPI 4 (2)
GND
GPI 1 (7)
GPI 1 (5)
GPI 1 (3)
GPI 1 (1)
GND
GPI 2 (7)
GPI 2 (5)
GPI 2 (3)
GPI 2 (1)
GND
GPI 3 (7)
GPI 3 (5)
GPI 3 (3)
GPI 3 (1)
GND
GPI 4 (7)
GPI 4 (5)
GPI 4 (3)
GPI 4 (1)
GND
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3.4 WIRING THE RELAY OUTPUTS
Refer to Figure 3. Select the desired relay output and insert the wires to be used
into the square holes in the terminal. Tighten the screws until the wires are properly
secured.
3.5 INSTALLING AND REMOVING THE RELAY CARDS
To install or remove any of the relay cards, remove the top cover to the unit. Refer to
Figure 4 for the identification of each board.
To remove a specific board, remove the mounting hardware (four Phillips screws)
and disconnect the two ribbon cables connecting the relay card to the mother board.
The card can now be removed from the unit.
3.6 CHANGING THE JUMPER LOCATIONS
Remove the desired board(s) as described Section 3.5.
NOTE: Each board is the same and
therefore has the same silkscreen
identification for the relays and jump-
ers.
Next, determine which output you wish to change. Once decided, refer to Table B
for the corresponding board and jumper.
Once the proper board has been determined, gain access to the desired jumper and
place in the desired setting. Refer to Figure 5 for the jumper pin assignments.
INSERT CONNECTIONS
FROM EXTERNAL EQUIPMENT
RELAY 32
TYPICAL FOR ALL
RELAY OUTPUTS
Figure 3. Wiring External Equipment to the Relay Outputs
BOARD A (OUTPUTS 1-8)
BOARD C (OUTPUTS 17-24)
POWER SUPPLY
BOARD
BOARD B (OUTPUTS 9-16)
BOARD D (OUTPUTS 25-32)
Figure 4. Relay Card Location
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Table B. Relay/Jumper Reference Chart
Relay
Board/Jumper
GPI
Relay
Board/Jumper
GPI
1
2
3
4
5
6
7
8
A/J1
A/J2
A/J3
A/J4
A/J5
A/J6
A/J7
A/J8
B/J1
B/J2
B/J3
B/J4
B/J5
B/J6
B/J7
B/J8
1 (1)
1 (2)
1 (3)
1 (4)
1 (5)
1 (6)
1 (7)
1 (8)
2 (1)
2 (2)
2 (3)
2 (4)
2 (5)
2 (6)
2 (7)
2 (8)
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
C/J1
C/J2
C/J3
C/J4
C/J5
C/J6
C/J7
C/J8
D/J1
D/J2
D/J3
D/J4
D/J5
D/J6
D/J7
D/J8
3 (1)
3 (2)
3 (3)
3 (4)
3 (5)
3 (6)
3 (7)
3 (8)
4 (1)
4 (2)
4 (3)
4 (4)
4 (5)
4 (6)
4 (7)
4 (8)
9
10
11
12
13
14
15
16
P1
P2
RELAY 4
RELAY 5
RELAY 6
RELAY 7
RELAY 8
J5
J6
J7
J8
J4
J3
J2
J1
RELAY 3
RELAY 2
RELAY 1
1-2 = N/O
2-3 = N/C
1-2 = N/O
2-3 = N/C
PIN 1
PIN 3
PIN 2
PIN 3
PIN 2
PIN 1
(TYPICAL FOR JUMPERS
ONE THROUGH FOUR)
(TYPICAL FOR JUMPERS
FIVE THROUGH EIGHT)
NOTE: All straps are shown in the Normally Open Position.
Figure 5. Relay Card Jumper Locations
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4.0 OPERATION
There are no specific operating instructions for the unit. The unit begins operation
once power is applied. All operating commands are issued from the appropriate
CM9750/CM9760 Keyboard(s) as defined in the Setup File. For additional informa-
tion on the operation of the Relay Interface unit (GPI relays), refer to the Operation
Manual or to the System Administrator Manual.
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5.0 MAINTENANCE
5.1 REPLACING THE FUSE
WARNING: Always re-
place a blown fuse with a
fuse of the same rating. Fail-
ure to do so could result in
serious damage to the unit.
The unit is equipped with a 2A fuse on the input. The fuse holder is located on the
rear panel of the unit. To replace the fuse, first remove power to the unit by discon-
necting the power at the wall socket. Rotate the fuse holder counterclockwise until
the fuse holder comes out of its receptacle. Replace the fuse.
10
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NOTES
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6.0 WARRANTY AND RETURN INFORMATION
WARRANTY
Pelco will repair or replace, without charge, any merchandise proved defective in material or
workmanship for a period of one year after the date of shipment.
Exceptions to this warranty are as noted below:
•
•
•
Five years on FT/FR8000 Series fiber optic products.
Three years on Genex® Series products (multiplexers, server, and keyboard).
Three years on Camclosure® and fixed camera models, except the CC3701H-2, CC3701H-2X,
CC3751H-2,CC3651H-2X,MC3651H-2,andMC3651H-2Xcameramodels,whichhaveafive-
year warranty.
•
•
Two years on standard motorized or fixed focal length lenses.
Two years on Legacy®, CM6700/CM6800/CM9700 Series matrix, and DF5/DF8 Series fixed
dome products.
•
Two years on Spectra®, Esprit®, ExSite™, and PS20 scanners, including when used in
continuous motion applications.
•
•
Two years on Esprit® and WW5700 Series window wiper (excluding wiper blades).
Eighteen months on DX Series digital video recorders, NVR300 Series network video
recorders, and Endura™ Series distributed network-based video products.
•
•
One year (except video heads) on video cassette recorders (VCRs). Video heads will be
covered for a period of six months.
Sixmonthsonallpanandtilts,scannersorpresetlensesusedincontinuousmotionapplications
(that is, preset scan, tour and auto scan modes).
Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco shipment.
AllgoodsrequiringwarrantyrepairshallbesentfreightprepaidtoPelco,Clovis,California.Repairs
made necessary by reason of misuse, alteration, normal wear, or accident are not covered under
this warranty.
Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from the
specific use or application made of the Products. Pelco’s liability for any claim, whether based on
breach of contract, negligence, infringement of any rights of any party or product liability, relating
totheProductsshallnotexceedthepricepaidbytheDealertoPelcoforsuchProducts. Innoevent
will Pelco be liable for any special, incidental or consequential damages (including loss of use, loss
of profit and claims of third parties) however caused, whether by the negligence of Pelco or
otherwise.
The above warranty provides the Dealer with specific legal rights. The Dealer may also have
additional rights, which are subject to variation from state to state.
Ifawarrantyrepairisrequired, theDealermustcontactPelcoat(800) 289-9100or(559)292-1981
to obtain a Repair Authorization number (RA), and provide the following information:
1. Model and serial number
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice number
3. Details of the defect or problem
If there is a dispute regarding the warranty of a product which does not fall under the warranty
conditions stated above, please include a written explanation with the product when returned.
Methodofreturnshipmentshallbethesameorequaltothemethodbywhichtheitemwasreceived
by Pelco.
RETURNS
In order to expedite parts returned to the factory for repair or credit, please call the factory at (800)
289-9100 or (559) 292-1981 to obtain an authorization number (CA number if returned for credit,
and RA number if returned for repair).
All merchandise returned for credit may be subject to a 20% restocking and refurbishing charge.
Goods returned for repair or credit should be clearly identified with the assigned CA or RA number
and freight should be prepaid. Ship to the appropriate address below.
If you are located within the continental U.S., Alaska, Hawaii or Puerto Rico, send goods to:
Service Department
Pelco
3500 Pelco Way
Clovis, CA 93612-5699
If you are located outside the continental U.S., Alaska, Hawaii or Puerto Rico and are instructed
to return goods to the USA, you may do one of the following:
If the goods are to be sent by a COURIER SERVICE, send the goods to:
Pelco
3500 Pelco Way
Clovis, CA 93612-5699 USA
Pelco, the Pelco logo, Camclosure, Esprit,
Genex, Legacy, and Spectra are registered
trademarks of Pelco.
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:
Pelco c/o Expeditors
473 Eccles Avenue
South San Francisco, CA 94080 USA
Phone: 650-737-1700
Fax: 650-737-0933
Endura and ExSite are trademarks of Pelco.
© Copyright 1998, Pelco. All rights reserved.
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