Teledyne Telescope Model 300EU User Manual

10.2.2. The Nafion^®Dryer. ...............................................................................................................................................5 1

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TABLE OF CONTENTS

M300EU

Addendum to M300E/EM Manual P/N 04288

10.3. Electronic Operatio n .....................................................................................................................................................5 3

10.3.1. Overview...............................................................................................................................................................5 3

10.3.2. The Relay PC A .....................................................................................................................................................5 4

10.3.2.1. Temperature Control of the Convection Oven...............................................................................................5 4

10.3.2.2. Oven Heaters AC Power Configuration ........................................................................................................5 5

10.3.2.3. Status LED’s .................................................................................................................................................5 6

10.3.3. Motherboard .........................................................................................................................................................5 6

10.3.3.1. A to D Conversion.........................................................................................................................................5 6

10.3.3.2. Sensor Inputs................................................................................................................................................5 6

10.3.4. Power Distribution.................................................................................................................................................5 7

11. TROUBLESHOOTING & REPAIR .....................................................................................................................................5 9

11.1. General Notes ..............................................................................................................................................................5 9

11.2. Fault Diagnosis with Warning Messages......................................................................................................................6 0

11.2.1. Fault Diagnosis with Test Functions .....................................................................................................................6 2

11.2.2. Relay Board Status LED’s ....................................................................................................................................6 4

11.3. Gas flow problems........................................................................................................................................................6 5

11.4. Other Performance Problems.......................................................................................................................................6 5

11.4.1. Unexplained drift...................................................................................................................................................6 5

11.5. Subsystem Chechout ...................................................................................................................................................6 6

11.5.1. Relay Boar d ..........................................................................................................................................................6 6

11.5.2. Motherboard .........................................................................................................................................................6 6

11.5.2.1. A/D Functions ...............................................................................................................................................6 6

11.6. Technical Assistance....................................................................................................................................................6 7

LIST OF FIGURES

M300EU Internal Layou t ................................................................................................................5

M300EU Internal Gas Flow............................................................................................................6

M300EU Analog Output Connector ...............................................................................................7

M300EU Internal Pneumatic Flow– Zero/Span Valves with Zero Scrubber (OPT 50A) .............16

M300EU Internal Pneumatic Flow– Zero/Span Valves with IZS (OPT 51B )...............................17

M300EU Internal Pneumatic Flow– Zero/Span Valves with IZS & Shutoff Valve (OPT 51C).....18

Typical Front Panel Display during A-REF Mod e ........................................................................21

Analog Output Connector Pin Out ...............................................................................................23

M300EU Gas flow during Auto-Reference Measurements..........................................................49

Auto-Reference Measurement Cycle...........................................................................................50

Semi-Permeable Membrane Drying Process ..............................................................................51

M300EU Electronic Overview Block Diagram .............................................................................53

M300EU Heating Control Block Diagram ....................................................................................54

M300EU Oven Heater Configuration Jumper s ............................................................................55

M300EU Oven Heater Configuration Circuit................................................................................55

M300EU Distribution Block Diagram ...........................................................................................57

LIST OF TABLES

M300EU Basic Unit Specifications ................................................................................................3

Analog Output Data Type Default Settings....................................................................................7

Analog Output Pin Out s .................................................................................................................8

Status Output Pin Assignment s .....................................................................................................8

Possible Warning Messages at Start-U p .......................................................................................9

Possible Warning Messages at Start-U p .....................................................................................15

M300EU Operating Modes ..........................................................................................................20

Test Functions Define d ................................................................................................................22

Test Functions Define d ................................................................................................................32

M300EU Diagnostic (DIAG) Submenus.......................................................................................33

DIAG - Analog I/O Functions .......................................................................................................34

Test Channels Functions Available on the M300EU’s Analog Output ........................................38

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M300EU

Addendum to M300E/EM Manual P/N 04288

TABLE OF CONTENTS

M300EU Hessen GAS ID List......................................................................................................39

Default Hessen Status Bit Assignments ......................................................................................40

AUTOCAL Modes ........................................................................................................................42

M300EU Test Function Record ...................................................................................................47

Auto-Reference Valve Operating States .....................................................................................51

Relay Board Status LED’s ...........................................................................................................56

Warning Messages - Indicated Failures ......................................................................................60

Test Functions - Indicated Failures..............................................................................................62

Relay Board Status LED Failure Indications ...............................................................................64

Relay Board Control Devices.......................................................................................................66

LIST OF APPENDICES

APPENDIX A – M300EU VERSION SPECIFIC SOFTWARE DOCUMENTATION

APPENDIX A-1: Model 300EU Software Menu Trees, Revision K.6

APPENDIX A-2: Model 300EU Setup Variables Available Via Serial I/O, Revision K.6

APPENDIX A-3: Model 300EU Warnings and Test Measurements via Serial I/O, Revision K.6

APPENDIX A-4: Model 300EU Signal I/O Definitions, Revision K.6

APPENDIX B – M300EU SPARE PARTS LIST

APPENDIX C - REPAIR QUESTIONNAIRE – M300EU

APPENDIX D - ELECTRONIC SCHEMATICS

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TABLE OF CONTENTS

M300EU

Addendum to M300E/EM Manual P/N 04288

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M300EU

Addendum to M300EU Manual - P/N 04288

INTRODUCTION

1. INTRODUCTION

This addendum is based on the M300E/EM Operators Manual (P/N 04288). It is intended as a supplement to

the M300E/EM manual (P/N 04288) and provides an overview of the instrument operation and specific details

regarding those areas where the M300EU is different in design or operating method from the M300E.

In most ways the M300EU is identical to the M300E/EM in design and operation, therefore most of the basic set

up information, operating instructions as well as calibration, maintenance, troubleshooting and repair methods

are the same and can be found in the M300E/EM manual (P/N 04288).

1.1. REFERENCE NUMBERING CONVENTION

Unless otherwise specified, chapter, section, figure and table reference numbers referred to within this text are

relative to this document.

•

EXAMPLE: “Table 2-1” refers to the figure, within this document, labeled as 2-1.

Additionally, in the electronic version(s) of this manual references internal to this document will be active

links to that section, figure or table.

References to chapters, sections, figures and tables in the original document will be labeled as such and will not

be an active link.

•

EXAMPLE: “Figure 6.1 of the M300E/EM Operators Manual (P/N 04288)”.

1.2. M300EU OVERVIEW

NOTE

The information contained in this addendum is relevant to M300EU analyzers running: SOFTWARE

REVISION K.6. Some or all of the information may not be applicable to earlier or later revisions of

software.

The software revision your analyzer is running is displayed in the upper left-hand corner of the display

any time the instrument is in SETUP mode.

The model 300EU is a close derivative of the M300E/EM CO Analyzer, however its higher sensitivity require

some changes its design and operation.

The primary differences between the M300EU and the M300E/EM analyzers are:

•

INTERFERENT REJECTION: Periodically the sample gas stream is routed through an internal CO

scrubber allowing the instrument to make a measurement of the sample gas completely free of CO; the

measurement made during this auto-reference period (A-REF) is subtracted from the sample

concentration measurement. This corrects for instrument drift, ambient temperature changes and

changing CO₂levels in the sample gas.

•

OPERATING METHOD: An additional operating mode is added allowing the user to manipulate several

parameters associated with the A-REF measurement cycle.

SAMPLE GAS CONDITIONING: A Nafion^®drier is used to dry the sample and alleviate any effects from

humidity changes in the sample gas.

IR OPTICS: The objective and field mirrors on the optical bench are gold plated. This maximizes their

reflectivity and increasing the amount of IR light reaching the detector and improving the optical bench’s

signal-to-noise performance.

•

PNEUMATIC OPERATION: The flow rate is higher. It has a 1.8 LPM nominal flow rate. The flow

sensor is rated to 6 LPM.

MECHANICAL DESIGN: The optical bench is placed in a temperature-controlled, convection-heated

oven. This dramatically reduces instrument noise and temperature related drift.

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INTRODUCTION

M300EU

Addendum to M300E/EM Manual P/N 04288

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M300EU

(Addendum to M300EU Manual - P/N 04145)

SPECIFICATIONS, APPROVALS AND WARRANTY

2. SPECIFICATIONS, APPROVALS AND

WARRANTY

2.1. SPECIFICATIONS

Table 2-1:

M300EU Basic Unit Specifications

Ranges

User selectable to any full scale range from 0-100 ppb to 0-100 ppm

Measurement Units

Zero Noise

ppb, ppm, µg/m³, mg/m³(user selectable)

≤ 10 ppb RMS^{1, 6}

Span Noise

< 0.5% of reading RMS over 5 ppm^{1, 3}

Lower Detectable Limit

Zero Drift (24 hours)

Zero Drift (7 days)

Span Drift (24 hours)

Span Drift (7 days)

Linearity

< 20 ppb¹

< 20 ppb²

< 0.5% of reading

< 1% of reading ²

Better than 1% of Range⁵

0.5% reading^{1, 5}

Precision

Lag Time

<10 sec¹

Rise/Fall Time

Sample Flow Rate

Temperature Range

Humidity Range

Voltage Coefficient

Dimensions (HxWxD)

Weight

<30 sec to 95%¹

1800 cm³/min. ± 20%

15 - 35°C operating

0-95% RH, Non-Condensing

< 0.05 % of reading per V

7" x 17" x 23.5" (178 mm x 432 mm x 597 mm)

50 lb (22.7 kg)

100V 50/60 Hz (3.25A), 115 V 60 Hz (3.0A),

220 – 240 V 50/60 Hz (2.5A)

AC Power

Environmental Conditions

Analog Outputs

Installation Category (Over voltage Category) II Pollution Degree 2

Three (3) Outputs

100 mV, 1 V, 5 V, 10 V, 2-20 or 4-20 mA isolated current loop.

All Ranges with 5% Under/Over Range

Analog Output Ranges

Analog Output Resolution

Status Outputs

1 part in 4096 of selected full-scale voltage

8 Status outputs from opto-isolators

6 Control Inputs, 2 defined, 4 spare

Control Inputs

One (1) RS-232; One (1) RS-485/RS-232/Ethernet

Baud Rate : 300 - 115200

I/O

Certifications

CE: EN61010-1:90 + A1:92 + A2:95, EN61326 - Class A

As defined by the USEPA

At constant temperature and voltage

Or 10 ppb, whichever is greater

Above 1 ppm range, otherwise 20 ppb for lower ranges

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SPECIFICATIONS, APPROVALS AND WARRANTY

M300EU

Addendum to M300E/EM Manual P/N 04288

2.2. EPA EQUIVALENCY DESIGNATION

The M300EU has not been certified by the EPA as an equivalent method at the time of this writing however it is

anticipated that the M300EU will qualify as Reference Method Number EQSA-0495-100 per 40 CFR Part 53 in

the near future.

Therefore the information found in Section 2.2 of the M300E/EM Operators Manual (P/N 04288) is applicable to

the M300EU with the following exception(s):

Range: Any range from 100 ppb to 100 ppm.

Ambient temperature range of 15 to 35°C.

Sample filter: Equipped with PTFE filter element in the external filter assembly.

Sample flow of 1800 ± 360 cm³/min at sea level.

Calibration valve options.

a) Option 50A – Zero/Span Valves;

b) Option 51B – Zero / Span Valves with Zero Scrubber.

c) Option 51C – Zero / Span Valves with Zero Scrubber & Shut-off Valves

2.3. CE MARK COMPLIANCE

See Section 2.3 of the M300E/EM manual (P/N 04288)

2.4. WARRANTY

See Section 2.4 of the M300E/EM manual (P/N 04288)

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M300EU

(Addendum to M300EU Manual - P/N 04145)

GETTING STARTED

3. GETTING STARTED

3.1. UNPACKING THE M300EU

Unpack the M300EU as per the directions in Section 3.1 of the M300E/EM manual (P/N 04288), with the

exception that there are no shipping screws.

3.2. M300EU ANALYZER LAYOUT

The front panel of the M300EU is identical to that of the M300E/EM (see Figure 3-1 of the M300E/EM Operators

Manual (P/N 04288). The Rear Panel is also very similar to that of the M300E/EM, the only difference being that

the instrument’s particulate filter is mounted externally on the upper left side of the rear panel rather than

internally as on the M300E/EM.

On the other hand, the internal layout of the M300EU is quite different from the M300E/EM. Most of these

differences are related to the need to create a thermally insulated, convection-heated oven in which the optical

bench temperature is raised and maintained at a high and very stable temperature. Additionally there is a multi-

tube, high flow Nafion^®dryer that removes moisture from the sample gas.

On/Of Switch &

Circuit Breaker

GFC Wheel

Motor

GFC Wheel Housing

& Heat Sync

IR Source

Nafion^®

Dryer

Oven

Temperature

Sensor

Front

Panel

Optional

Shutoff Valve

Auto-Ref Valve

& CO Scrubber

Assembly

Optional

Zero /Sample/Cal

Valves

Oven Heater 1

Internal

Pump

Fan

Gas

Pressure

Sensor

+12 VDC

Power Supply

Oven Heater 2

±5 VDC

Power Supply

Gas

Flow

Optional

Ethernet

PCA

Sensor

Oven

Fan

Relay PCA

CPU

AC Power

Receptacle

(under fan)

Motherboard

REAR

Panel

Motherboard

Stabilization Fan

Gas inlets &

Outlets

Main

Cooling Fan

Particulate Filter

Figure 3-1:

M300EU Internal Layout

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GETTING STARTED

M300EU

Addendum to M300E/EM Manual P/N 04288

The pneumatic flow of the M300EU is different from the M300E/EM in two ways:

•

The addition of a high-flow multi-tube Nafion^®dryer.

An additional gas path that passes the sample gas though a CO scrubber used during the auto-

reference cycle.

Figure 3-2:

M300EU Internal Gas Flow

3.3. ELECTRICAL CONNECTIONS

The information found in Section 3.1.2 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exceptions.

3.3.1. POWER CONNECTION

The information found in Section 3.1.2.1 of the M300E/EM manual (P/N 04288) is correct for the M300EU.

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M300EU

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GETTING STARTED

3.3.2. ANALOG OUTPUT Connections

The analog outputs for the M300EU are different from those of the M300E/EM. Unlike the M300E/EM which can

include options for measuring both O₂and CO, the M300EU is a single gas analyzer (CO) and therefore does

not require the fully configurable version of the analog outputs. The following information replaces that found in

Section 3.1.2.2 of the M300E/EM Operators Manual (P/N 04288).

The M300EU is equipped with several analog output channels accessible through a connector on the back panel

of the instrument.

•

Channels A1 and A2 output a signal that is proportional to the CO concentration of the sample gas.

•

The default analog output voltage setting of these channels is 0 to 5 VDC with a reporting range of 0

to 500 ppb.

• An optional Current Loop output is available for each.

•

The output labeled A4 is special. It can be set by the user to output any one a variety of diagnostic test

functions.

• The default analog output voltage setting of these channels is also 0 to 5 VDC.

• See Section 6.2.2 for a list of available functions.

• There is NO optional Current Loop output is available for Channel A4.

The following table lists the default settings for each of these channels.

Table 3-1: Analog Output Data Type Default Settings

PARAMETER

CHANNEL DEFAULT SETTING

CONC1

A4¹

Not

Available

TEST

CHANNEL

DATA TYPE¹

CONC2

RANGE

OVERRANGE

REC OFS

0 – 5 VDC²

0 mVDC

AUTO CAL.

CALIBRATED

OUTPUT

¹See Table A-6 of M300E/EM Appendix A for definitions of these iDAS data types

²Optional current loop outputs are available for analog output channels A1& A2.

To access these signals attach a strip chart recorder and/or data-logger to the appropriate analog output

connections on the rear panel of the analyzer. Pin-outs for the analog output connector are:

ANALOG OUT

Figure 3-3:

M300EU Analog Output Connector

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M300EU

Addendum to M300E/EM Manual P/N 04288

Table 3-2:

Analog Output Pin Outs

Standard Voltage

Output

Current

Loop Option

Analog Output

V Out

Ground

V Out

I Out +

I Out -

I Out +

I Out -

Ground

NOT USED

V Out

Not Available

Ground

3.3.3. CONNECTING THE STATUS OUTPUTS

The information found in Section 3.1.2.3 is correct with the following exception:

Table 3-3:

Status Output Pin Assignments

Condition

Status

Definition

Output #

SYSTEM OK

On if no faults are present.

On if CO concentration measurement is valid.

CONC VALID

If the CO concentration measurement is invalid, this bit is OFF.

On if unit is in high range of DUAL or AUTO Range Modes.

On whenever the instruments ZERO point is being calibrated.

On whenever the instruments SPAN point is being calibrated.

On whenever the instrument is in DIAGNOSTIC mode.

HIGH RANGE

ZERO CAL

SPAN CAL

DIAG MODE

A-REF

On whenever the instrument in is A-REF mode.

SPARE

EMITTER BUSS

DC POWER

The emitters of the transistors on pins 1-8 are bussed together.

+ 5 VDC

Digital Ground

The ground level from the analyzer’s internal DC Power Supplies.

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GETTING STARTED

3.4. INITIAL OPERATION OF THE M300EU

NOTE

The analyzer’s cover must be installed and securely fastened to ensure that the convection oven portion

of the internal layout is capable of properly creating and controlling temperatures of the analyzer’s

optical bench.

3.4.1. STARTUP AND WARM UP OF THE M300EU

The process for starting and warming up the M300EU is identical to that described in Sections 3.2.1 and 3.2.2 of

the M300E/EM Operators Manual (P/N 04288) except:

•

It is best to alloy the M300EU to operate uninterrupted for at least 2 hours to allow the temperature of all

areas of the convection oven area to equalize.

3.4.2. WARNING MESSAGES

The information found in Section 3.2.3 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s)

Table 3-4:

Possible Warning Messages at Start-Up

MESSAGE

MEANING

ANALOG CAL WARNING The instrument's A/D circuitry or one of its analog outputs is not calibrated.

AZERO WARN 1.001

Auto-reference ratio below the specified limits.

BENCH TEMP WARNING Optical bench temperature is outside the specified limits.

The temperature inside the M300EU chassis is outside the specified

limits (Replaces BOX TEMP WARNING)

BOX TEMP2 WARNING

CANNOT DYN SPAN

Remote span calibration failed while the dynamic span feature was set to turned

CANNOT DYN ZERO

CONFIG INITIALIZED

DATA INITIALIZED

Remote zero calibration failed while the dynamic zero feature was set to turned on

Configuration was reset to factory defaults or was erased.

iDAS data storage was erased.

FRONT PANEL WARN

Firmware is unable to communicate with the front panel.

OVEN TEMP

WARNING

The temperature of the insulated convection oven area of the

analyzer is outside of the specified limits.

Photometer temperature outside of warning limits specified by

PHOTO_TEMP_SET variable.

PHOTO TEMP WARNING

REAR BOARD NOT DET

RELAY BOARD WARN

SAMPLE FLOW WARN

SAMPLE PRESS WARN

SAMPLE TEMP WARN

SOURCE WARNING

SYSTEM RESET

The CPU is unable to communicate with the motherboard.

The firmware is unable to communicate with the relay board.

The flow rate of the sample gas is outside the specified limits.

Sample pressure outside of operational parameters.

The temperature of the sample gas is outside the specified limits.

The IR source may be faulty.

The computer was rebooted.

WHEEL TEMP WARNING The Gas Filter Correlation wheel temperature is outside the specified limits.

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GETTING STARTED

M300EU

Addendum to M300E/EM Manual P/N 04288

3.4.3. FUNCTIONAL CHECK

The information found in Section 3.2.4 of the M300E/EM Operators Manual (P/N 04288) regarding performing an

initial functional check of the analyzer is applicable to the M300EU with the following exception(s).

The Test functions available from the front panel of the M300EU are:

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M300EU

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GETTING STARTED

3.5. INITIAL CALIBRATION

3.5.1. PRE-CALIBRATION STABILIZATION

Before initially calibrating the M300EU it must be allowed to operate for a minimum of 12 hours.

After this stabilization period is complete and just prior to performing the initial calibration, manually initiate an

auto-reference measurement by following the instructions in Section 6.4.

3.5.2. BASIC CO CALIBRATION SETUP

NOTE

The following procedure assumes that the instrument does not have any of the available Zero/Span

Valve Options installed.

To perform the following calibration you must have sources for zero air and span gas available for input into the

sample port on the back of the analyzer. See Section 3.1.3 of the M300E/EM Operators Manual (P/N 04288) for

instructions for connecting these gas sources.

NOTE

All Gas lines should be PTFE (Teflon), FEP, glass, stainless steel or brass

3.5.2.1. Calibration Gases

The information found in Section 3.1.3.2 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception:

ZERO AIR

A gas that is similar in chemical composition to the earth’s atmosphere but scrubbed of all components

that might affect the analyzers readings, in this case CO and water vapor.

For the M300EU this gas MUST include at least 5% O₂(required for the proper operation of the

analyzer’s CO scrubber).

For analyzers without an IZS or external zero air scrubber option, a zero air generator such as the

Teledyne Instruments Model 701 can be used.

NOTE

The zero air generator MUST be equipped with a hydrocarbon (HC) & CO scrubber option.

For the Teledyne Instruments M701, this is Option 2B

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GETTING STARTED

M300EU

Addendum to M300E/EM Manual P/N 04288

3.5.3. BASIC CO CALIBRATION PROCEDURE

The initial calibration should be carried out using the same reporting range set up as used during the analyzer’s

factory calibration. This will allow you to compare your calibration results to the factory calibration as listed on

the Final Test and Validation Data Sheet.

Because the M300EU’s analog output setup differs from that of the M300E/EM and because the M300EU

cannot have be modified to include the optional CO₂or O₂sensor packages, there are some minor differences in

the initial Calibration procedure as described in Section 3.3 of the M300E/EM Operators Manual (P/N 04288).

These are:

•

STEP 1 - SET LIMITS:

• Reporting Range Limit should be set to 50.000 ppm.

STEP 2 – DILUTION RATIO:

• Ignore this step

STEP 3 – SET CO SPAN GAS CONCENTRATION

• The CO span gas concentration should be 40.000 ppm

STEP 4 – ZERO/SPAN CALIBRATION

• Set the display to show the STABILITY test function.

• There is no GAS TO CAL step because the M300EU cannot be modified to include the O₂and CO₂

sensor packages.

Ignore Sections 3.3.2 and 3.3.3 of the M300E/EM Operators Manual (P/N 04288) since they relate to sensor

options not available on the M300EU.

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M300EU

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FREQENTLY ASKED QUESTIONS & GLOSSARY

4. FREQENTLY ASKED QUESTIONS & GLOSSARY

The information found in Chapter 4 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU.

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FREQENTLY ASKED QUESTIONS & GLOSSARY

M300EU

Addendum to M300E/EM Manual P/N 04288

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M300EU

(Addendum to M300EU Manual - P/N 04145)

Optional Hardware and Software

5. OPTIONAL HARDWARE AND SOFTWARE

The following table lists the optional hardware is available for the M300Ex family of analyzers. There are no

additional options available for the M300EU that are not also available for the M300E/EM.

For descriptions of theses options and their use please see Chapter 5 of the M300E/EM Operators Manual (P/N

04288).

Table 5-1:

Possible Warning Messages at Start-Up

OPTION

NO.

DESCRIPTION

300E 300EM 300EU

PUMP PACKS

10A

10B

10C

10D

10E

External Pump 115V/60Hz

External Pump 220V/50Hz

External Pump 220V/60Hz

External Pump 100V/50Hz

External Pump 100V/60Hz

High Voltage Internal Pump 240V/50Hz (E Series non-NOx internal

pump)

RACK MOUNTING

Rack Mount with Chassis Slides - 26"

Rack Mount with Chassis Slides - 24"

Rack Mount, Ears only (No Slides)

Rack Mount for External Pump Pack (No Slides)

Carrying Handle (Strap)

20A

20B

RANGE & OUTPUT OPTIONS

Isolated 0-20 or 4-20 mA output

EXPENDABLES KITS & SPARES

Expendable Kit for one year operation

VALVES AND IZS

42A

50A

51B

51C

Zero/Span Valves

Zero / Span Valves with Zero Scrubber

Zero / Span Valves with Zero Scrubber & Shut-off Valves

COMMUNICATIONS

60A

60B

60C

RS232 Cable DB9F to DB25M

RS232 Cable DB9F to DB9F

CATS, 7 (2m) RJ-45

RS232 Multidrop

63A

63C

Ethernet

Multidrop/Ethernet Combo

SECOND SENSORS

65A

67A

67B

67C

Paramagnetic O2 Sensor

CO2 Sensor 20%

CO2 Sensor 5%

CO2 Sensor 2000 PPM

MANUALS

70A

70B

Additional Manual

Manual on CD

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Optional Hardware and Software

M300EU

Addendum to M300E/EM Manual P/N 04288

For assistance with ordering these options, please contact the Sales department of Teledyne – Advanced

Pollution Instruments at:

TOLL-FREE: 800-324-5190

FAX: 858-657-9816

TEL: 858-657-9800

E-MAIL: [email protected]

WEB SITE: www.teledyne-api.com

5.1. CALIBRATION VALVE OPTIONS FOR THE M300EU

The various valve options available on the M300EU are implemented in the same manner as described in the

corresponding sections of the M300E/EM Operators Manual (P/N 04288) with the following exception(s).

5.1.1. ZERO SPAN VALVES (OPT 50A)

Because of the addition of the auto-reference gas path and the multi-tube Nafion^®dryer, the internal pneumatics

gas flow of the M300EU is somewhat different from the M300E/EM. Otherwise, the information found in Section

5.4.3 of the M300E/EM Operators Manual (P/N 04288) is applicable to the M300EU.

Figure 5-1:

M300EU Internal Pneumatic Flow– Zero/Span Valves (OPT 50A)

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M300EU

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Optional Hardware and Software

5.1.2. ZERO SPAN VALVES WITH IZS (OPT 51B)

Because of the addition of the auto-reference gas path and the multi-tube Nafion^®dryer, the internal pneumatics

gas flow of the M300EU is somewhat different from the M300E/EM. Otherwise, the information found in Section

5.4.4 of the M300E/EM Operators Manual (P/N 04288) is applicable to the M300EU.

INSTRUMENT CHASSIS

Sample

Gas

SAMPLE

Multi-Tube Nafion Dryer

GAS INLET

Sample / Cal

Valve

Span

PRESSURE

Gas

SPAN INLET

Zero / Span

Valve

Zero Air

Ambient

IZS INLET

Air In

Scrubber

PUMP

EXHAUST

GAS OUTLET

Auto-

Reference

Valve

Sample Gas

Flow Control

SAMPLE CHAMBER

GFC Wheel

Housing

SAMPLE

PRESSURE

SENSOR

FLOW

SENSOR

GFC Motor Heat Sync

Flow / Pressure

Sensor PCA

Figure 5-2:

M300EU Internal Pneumatic Flow– Zero/Span Valves with IZS (OPT 51B)

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M300EU

Addendum to M300E/EM Manual P/N 04288

5.1.3. Zero Span Valves with IZS and Shutoff VALVE (OPT 51B)

Because of the addition of the auto-reference gas path and the multi-tube Nafion^®dryer, the internal pneumatics

gas flow of the M300EU is somewhat different from the M300E/EM. Otherwise, the information found in Section

5.4.4 of the M300E/EM Operators Manual (P/N 04288) is applicable to the M300EU.

Figure 5-3:

M300EU Internal Pneumatic Flow– Zero/Span Valves with IZS & Shutoff Valve (OPT 51C)

USER NOTES:

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M300EU

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M300EU OPERATING INSTRUCTIONS

6. M300EU OPERATING INSTRUCTIONS

6.1. SUMMARY OF DIFFERENCES BETWEEN OPERATING

THE M300EU AND THE M300E/EM ANALYZERS.

For the most part the operation instruction for the M300EU are the same as those described in Chapter 6 of the

M300E/EM manual (P/N 04288) with the following exceptions:

•

There are several additional Test functions related to the optical bench’s convection oven and the A-

REF cycle (see Section6.2.2).

There is and additional warning message related to the optical bench’s convection oven (see Section

3.4.2)

There is an additional operating mode, AREF, which can be used to force the instrument to make an

auto-reference measurement and calculation.

•

There are several additional iDAS trigger events and parameters (see Appendix A of this addendum).

The reporting range setup and configuration of the A1 and A2 analog outputs is different (see Section

6.3).

•

The optional O₂and CO₂sensor packages available for the M300E/EM are not available ton the

M300EU. Ignore all references to these in the M300E/EM Operators Manual (P/N 04288) when

operating the M300EU.

•

The set of available VARS is different (see Section 6.5.

The set of submenus available under the DIAG menu is slightly different (see Section 6.6).

The set of signals available under the DIAG ÆSIGNAL I/O submenu is different (see Appendix A of this

addendum).

•

Because of the difference in how the analog output ranges are implemented between the M300E/EM

and the M300EU, there are some differences in DIAGÆ ANALOG I/O CONFIGURATION submenu

(see Section 6.7.1).

There are no alarm outputs available of the M300EU. Ignore Section 6.14 of the M300E/EM Operators

Manual (P/N 04288).

•

There is an additional STATUS OUTPUT related to the A-REF cycle (see Section 3.3.3).

The default Hessen protocol gas ID and status flag list is different from that of the M300E/EM (see

Section 6.7.4).

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

6.2. OPERATING MODES

The information found in Section 6.1 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

The following table supersedes Table 6-2 of the M300E/EM Operators Manual (P/N 04288).

Table 6-1:

M300EU Operating Modes

MEANING

MODE

The analyzer is currently recording values for CO MEAS and CO ref, while the

sample gas stream is being routed through the CO scrubber of the auto-

reference gas path.

A-REF

DIAG

One of the analyzer’s diagnostic modes is being utilized.

This is the basic, multi-point calibration mode of the instrument and is activated by pressing

the CAL key.

M-P CAL

SAMPLE

Sampling normally, flashing indicates adaptive filter is on.

SAMPLE A

Indicates that unit is in SAMPLE Mode and AUTOCAL feature is activated.

SETUP mode is being used to configure the analyzer (CO sampling will continue during this

process as well as data collection and output).

SETUP¹

Unit is performing span cal procedure initiated automatically by the analyzer’s AUTOCAL

feature.

SPAN CAL A²

SPAN CAL M²

SPAN CAL R²

Unit is performing span cal procedure initiated manually by the user.

Unit is performing span cal procedure initiated remotely via the RS-232, RS-4485 or digital i/o

control inputs.

Unit is performing zero cal procedure initiated automatically by the analyzer’s AUTOCAL

feature.

ZERO CAL A²

ZERO CAL M²

ZERO CAL R²

Unit is performing zero cal procedure initiated manually by the user.

Unit is performing zero cal procedure initiated remotely via the RS-232, RS-4485 or digital I/O

control inputs.

¹The revision of the Teledyne Instruments software installed in this analyzer will be displayed following the word

SETUP. E.g. “SETUP G.5”

²The various CAL modes allow calibration of the analyzer. Because of their importance, these modes are

described separately in Chapter 7 of the M300E/EM Operators Manual (P/N 04288).

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M300EU OPERATING INSTRUCTIONS

6.2.1. AUTO-REFERENCE MODE (AREF)

One of the most significant differences between the M300E/EM and the M300EU analyzers is the auto-reference

measurement feature. In this mode, the analyzer makes special measurements and calculations that are

applied to the CO concentration calculation to dramatically improve interferent rejection as well as compensate t

for changes in ambient temperature of the sample gas and age related drift of the optical bench components

(see Section 10.1.1 for detailed information about how and when this A-REF feature occurs).

When in A-REF mode, the analyzer:

•

Freezes the CO concentration reading displayed on the front panel and output via the analog outputs or

COM Ports.

•

Displays the Message AUTO-REF in the mode filed of the analyzer’s front panel.

Sets the A-REF status output (pin-7 on the status output connector) to high.

Mode Field

AUTO-REF

RANGE = 50.000 PPM

CALS

CO =12.430

SETUP

<TST TST> CAL CALZ

Figure 6-1:

Typical Front Panel Display during A-REF Mode

NOTE:

Initiating a calibration through either the keyboard, the COMM ports or digital control inputs terminates

the A-REF mode.

Also, when the instrument is in calibration mode, the A-REF mode is suppressed until the instrument

exits calibration mode.

See Section 6.4 for information about changing the A-REF cycle time or manually initiating an auto-reference

measurement.

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M300EU

Addendum to M300E/EM Manual P/N 04288

6.2.2. TEST FUNCTIONS

The information found in Section 6.2.1 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

The following table supersedes Table 6-2 of the M300E/EM Operators Manual (P/N 04288).

Table 6-2:

Test Functions Defined

Parameter

Display Title

Meaning

Units

The full-scale limit at which the output range of the analyzer’s Analog

Outputs is currently set.

RANGE

- -

PPB, PPM

UGM, MGM

• THIS IS NOT the Physical Range of the instrument. See Section 6.3.2

for more information.

RANGE

RANGE1

RANGE2

If DUAL or AUTO Range modes have been selected, two RANGE functions

will appear, one for each range.

Standard deviation of CO concentration readings. Data points are recorded

every ten seconds using the last 25 data points. This function can be reset

to show O₂or CO₂stability in instruments with those sensor options

installed.

PPB, PPM

UGM, MGM

Stability

STABIL

The demodulated, peak IR detector output during the measure portion of the

CFG Wheel cycle.

CO Measure

MEAS

REF

The demodulated, peak IR detector output during the reference portion of

the CFG wheel cycle.

CO Reference

The result of CO MEAS divided by CO REF based on readings taken during

the normal sample measurement portion of the A-REF cycle.

Measurement /

Reference Ratio

MR Ratio

This ratio is the primary value used to compute CO concentration. The

value displayed is not linearized.

The result of CO MEAS divided by CO REF based on readings

taken during the zero-reference portion of the A-REF cycle.

Auto-Reference

Ratio

AZERO RATIO

This ratio is the used to compute a reference correction factor

for computing the CO concentration. The value displayed is

not linearized.

The absolute pressure of the Sample gas as measured by a pressure

sensor located inside the sample chamber.

Sample Pressure

Sample Flow

PRES

In-Hg-A

cm³/min

°C

Sample mass flow rate as measured by the flow rate sensor in the sample

gas stream,

SAMPLE FL

SAMP TEMP

BENCH TEMP

Sample

Temperature

The temperature of the gas inside the sample chamber.

Optical bench temperature.

Bench

Temperature

°C

Wheel

Temperature

WHEEL TEMP

BOX TEMP

GFC wheel temperature.

°C

Box Temperature

The temperature inside the analyzer chassis.

°C

Oven

Temperature

The current temperature of the circulating air inside the M300EU’s

convection oven area.

OVEN TEMP²

°C

Photo-detector

Temp. Control

Voltage

The drive voltage being supplied to the thermoelectric coolers of the IR

photo-detector by the sync/demod Board.

PHT DRIVE

The sensitivity of the instrument as calculated during the last calibration

activity. The SLOPE parameter is used to set the span calibration point of

the analyzer.

Slope

Offset

SLOPE

The overall offset of the instrument as calculated during the last calibration

activity. The OFFSET parameter is used to set the zero point of the

analyzer response.

OFFSET

Test Channel

Output

The raw voltage being output on the analyzer’s A4 analog output. Only

appears when the test channel is assigned a function.

TEST

TIME

The current time. This is used to create a time stamp on iDAS readings, and

by the AUTOCAL feature to trigger calibration events.

Current Time

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M300EU OPERATING INSTRUCTIONS

6.3. SETUP Æ RNGE: ANALOG OUTPUT REPORTING

RANGE CONFIGURATION

6.3.1. PHYSICAL RANGE VERSUS ANALOG OUTPUT REPORTING

RANGES

Functionally, the M300EU analyzer has one hardware “physical range” that is capable of determining CO

concentrations between 0 ppb and 100,000 ppb. This architecture improves reliability and accuracy by avoiding

the need for extra, switchable, gain-amplification circuitry. Once properly calibrated, the analyzer’s front panel

will accurately report concentrations along the entire span of its physical range. M300EU analyzer’s physical

range can create data resolution problems for most analog recording devices. For example, in an application

where the expected concentration of CO is typically less than 1000 ppb, the full scale of expected values is only

1% of the instrument’s 100,000 ppb physical range. Unmodified, the corresponding output signal would also be

recorded across only 1% of the range of the recording device.

The M300EU solves this problem by allowing the user to select a scaled reporting range for the analog outputs

that only includes that portion of the physical range relevant to the specific application.

NOTE

Only the reporting range of the analog outputs is scaled.

Both the iDAS values stored in the CPU’s memory and the concentration values reported on the front

panel are unaffected by the settings chosen for the reporting range(s) of the instrument.

6.3.2. ANALOG OUTPUT RANGES FOR CO CONCENTRATION

The analyzer has two active analog output signals related to CO concentration that are accessible through a

connector on the rear panel.

ANALOG OUT

CO concentration

Not Used on M300EU

outputs

Test Channel

Output

LOW range when DUAL

HIGH range when DUAL

mode is selected

Figure 6-2:

Analog Output Connector Pin Out

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M300EU

Addendum to M300E/EM Manual P/N 04288

The A1 and A2 channels output a signal that is proportional to the CO concentration of the sample gas. They

can be configured:

• With independent reporting ranges reporting a “single” output signal (SNGL Mode, see Section 6.3.3) o

• Be to operate completely independently (DUAL mode, see Section 6.3.4). In this mode the user can set

the measure span and signal scale of each output in a variety of combinations (but not the units of

measure).

EXAMPLE:

A1 OUTPUT: Output Signal = 0-5 VDC representing 0-1000 ppb concentration values

A2 OUTPUT: Output Signal = 0 – 10 VDC representing 0-500 ppb concentration values.

• Or to automatically switch between the two ranges dynamically as the concentration value fluctuates

(AUTO modes, see Section 6.3.5).

Both the A1 and A2 outputs can be:

• Configured full scale outputs of: 0 - 0.1 VDC; 0 - 1VDC; 0 - 5VDC or; 0 - 10VDC.

• Equipped with optional 0-20 mADC current loop drivers and configured for any current output within that

range (e.g. 0-20, 2-20, 4-20, etc.).

The user may also add a signal offset independently to each output (see Section 6.7.1) to match the electronic

input requirements of the recorder or data logger to which the output is connected.

DEFAULT SETTINGS

The default setting for these the reporting ranges of the analog output channels A1 and A2 are:

• SNGL mode

• 0 to 500.0 ppb

• 0 to 5 VDC

Reporting range span may be viewed via the front panel by viewing the RANGE test function. If the DUAL or

AUTO modes are selected, the RANGE test function d will be replaced by two separate functions, RANGE1 &

RANGE2. Reporting range status is also available as output via the external digital I/O status bits.

NOTE

Upper span limit setting for the individual range modes are shared. Resetting the span limit in one

mode also resets the span limit for the corresponding range in the other modes as follows:

SNGL

Range

DUAL

ÅÆRange1 (Low)ÅÆ

Range2 (Hi) ÅÆ

AUTO

Low Range

High Range

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M300EU OPERATING INSTRUCTIONS

6.3.3. RNGE Æ MODE Æ SNGL: CONFIGURING THE M300EU ANALYZER

FOR SINGLE RANGE MODE

The single range mode sets a single maximum range for the both the A1 and A2 analog outputs. If the single

range is selected both outputs are slaved together and will represent the same reporting range span (e.g. 0-50

ppm), however their electronic signal levels may be configured for different ranges (e.g. 0-10 VDC vs. 0-.1 VDC.

This Reporting range can be set to any value between 0.1 ppb and 10,000 ppb. To select SINGLE range mode

and set the upper limit of the reporting range, press:

NOTE

This is the default reporting range mode for the analyzer.

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M300EU

Addendum to M300E/EM Manual P/N 04288

6.3.4. RNGE Æ MODE Æ DUAL: CONFIGURING THE M300EU ANALYZER

FOR DUAL RANGE MODE

DUAL range mode allows the A1 and A2 outputs to be configured with separate reporting range spans as well

as separate electronic signal levels. The analyzer software calls these two ranges LOW and HI.

• The LOW range setting corresponds with the analog output labeled A1 on the rear panel of the

instrument and is viewable via the test function RANGE 1.

• The HIGH range setting corresponds with the A2 output and is viewable via the test function RANGE 2.

• While the software labels these two ranges as LOW and HI, when in DUAL mode their upper limits need

not conform to that convention. The upper span limit of the LOW/RANGE1 can be a higher number than

that of HI/RANGE 2

To set the ranges press following keystroke sequence:

SAMPLE

RANGE=50.000 PPM

CO= XXXX

SETUP

<TST TST> CAL

SETUP X.X

PRIMARY SETUP MENU

CFG DAS RNGE PASS CLK MORE

EXIT

SETUP X.X

RANGE MODE MENU

MODE SET UNIT

SETUP X.X

RANGE MODE:SNGL

SNGL DUAL AUTO

ENTR EXIT

SETUP X.X

RANGE MODE:SNGL

The LOW and HIGH

ranges have separate

slopes and offsets for

computing the CO

concentration.

SNGL DUAL AUTO

SETUP X.X

RANGE MODE MENU

The two ranges must

be independently

calibrated.

MODE SET UNIT

EXIT

SETUP X.X

LOW RANGE:500.0 Conc

EXIT discards the

.0 ENTR EXIT

new setting

ENTR accepts the

new setting

SETUP X.X

HIGH RANGE:500.0 Conc

.0 ENTR EXIT

Toggled these keys to

select the upper

SPAN limit for the

reporting range

EXIT discards the new

setting

ENTR accepts the

new setting

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M300EU OPERATING INSTRUCTIONS

6.3.5. RNGE Æ MODE Æ AUTO: CONFIGURING THE M300EU ANALYZER

FOR AUTO RANGE MODE

AUTO range mode gives the analyzer to ability to output data via a LOW range (displayed on the front panel as

RANGE1) and HIGH range (displayed on the front panel as RANGE2) on a single analog output.

When the AUTO range mode is selected, the analyzer automatically switches back and forth between user-

selected LOW & HIGH ranges depending on the level of the CO concentration.

• The unit will move from LOW range to HIGH range when the CO concentration exceeds to 98% of the

LOW range span limit.

• The unit will return from HIGH range back to LOW range once the CO concentration falls below 75% of

the LOW range span limit.

To set the ranges press following keystroke sequence:

NOTE

Avoid accidentally setting the LOW range (RANGE 1) of the instrument with a higher span limit than the

HIGH range (RANGE 2). This will cause the unit to stay in the low reporting range perpetually and defeat

the function of the AUTO range mode.

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

6.3.6. SETUP Æ RNGE Æ UNIT: SETTING THE REPORTING RANGE UNIT

TYPE

The M300EU can display concentrations in ppb, ppm, ug/m³, mg/m³units. Changing units affects all of the COM

port values, and all of the display values for all reporting ranges. To change the units of measure press:

SAMPLE

RANGE=50.000 PPM

CO= XXXX

SETUP

<TST TST> CAL

SETUP X.X

PRIMARY SETUP MENU

CFG DAS RNGE PASS CLK MORE

EXIT

SETUP X.X

RANGE MODE MENU

MODE SET UNIT

SETUP X.X

CONC UNITS:PPB

PPB PPM UGM MGM

ENTR EXIT

Toggled these keys to

select the units of

measure for the

EXIT discards the new

setting

reporting ranges

ENTR accepts the

new setting

NOTE

Concentrations displayed in mg/m³and ug/m³use 0°C , 760 mmHg for Standard Temperature and

Pressure (STP).

Consult your local regulations for the STP used by your agency.

NOTE

Once the units of measurement have been changed, the unit MUST be recalibrated, as the “expected

span values” previously in effect will no longer be valid.

Simply entering new expected span values without running the entire calibration routine is not

sufficient.

The following equations give approximate conversions between volume/volume units and

weight/volume units:

CO ppb x 1.25 = CO ug/m³

CO ppm x 1.25= CO mg/m³

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M300EU OPERATING INSTRUCTIONS

6.4. SETUP Æ MORE Æ AREF: CONFIGURING AND

PERFORMING AUTO-REFERENCE MEASUREMENTS

6.4.1. ADJUSTING THE A-REF MODE CYCLE TIME

The auto-reference measurement feature is initiated by the M300EU at regular intervals (see Section 10.1.1). It

is triggered by the timer feature of the analyzers ACAL system, which uses the instrument’s internal clock.

All M300EU analyzers are shipped from the factory the ACAL system enabled (even on instruments without

calibration valve options installed) and the first ACAL sequence already programmed and activated with the

DELTA TIME parameter set for 4 hours (for a more detailed discussion of the ACAL system see Section 7.7 of

the M300E/EM Operators Manual).

This interval time can be changed to fit the specific application in which the M300EU is being used. To change

the A0REF interval, press:

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M300EU

Addendum to M300E/EM Manual P/N 04288

6.4.2. FORCING AN AUTO-REFERENCE MEASUREMENT

Sometimes it is advisable to perform an auto-reference measurement at other times such as just before

calibrating the analyzer.

To manually start an auto-reference measurement cycle, press:

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M300EU OPERATING INSTRUCTIONS

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

6.5. SETUP Æ MORE Æ VARS: INTERNAL VARIABLES

(VARS)

The information found in Section 6.12 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

There is no STABIL_GAS variable available under the VARS menu of the M300EU.

The following table supersedes Table 6-14 of the M300E/EM Operators Manual (P/N 04288).

Table 6-3:

Test Functions Defined

ALLOWED

VALUES

NO.

VARIABLE

DESCRIPTION

Changes the internal data acquisition system (iDAS) hold-off

time, which is the duration when data are not stored in the

iDAS because the software considers the data to be

questionable. That is the case during warm-up or just after

the instrument returns from one of its calibration modes to

SAMPLE mode. DAS_HOLD_OFF can be disabled entirely

in each iDAS channel.

Can be between 0.5

and 20 minutes

DAS_HOLD_OFF

Default=15 min.

Allows the user to set the number of significant digits to the

CONC_PRECISION right of the decimal point display of concentration and

AUTO, 1, 2, 3, 4

Default=AUTO

stability values.

Dynamic zero automatically adjusts offset and slope of the

CO response when performing a zero point calibration

during an AutoCal (Chapter 7).

DYN_ZERO

DYN_SPAN

CLOCK_ADJ

ON/OFF

Dynamic span automatically adjusts slope and slope of the

CO response when performing a zero point calibration

during an AutoCal (Chapter 7).

Note that the DYN_ZERO and DYN_SPAN features are not

allowed for applications requiring EPA equivalency.

Adjusts the speed of the analyzer’s clock. Choose the +

sign if the clock is too slow, choose the - sign if the clock is

too fast.

-60 to +60 s/day

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M300EU OPERATING INSTRUCTIONS

6.6. SETUP Æ MORE Æ DIAG: USING THE

DIAGNOSTICS FUNCTIONS

The information found in Section 6.13 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

There is no DISPLAY SEQUENCE CONFIGURATION submenu available under the DIAG menu of the

M300EU.

The following table supersedes Table 6-15 of the M300E/EM Operators Manual (P/N 04288).

Table 6-4:

M300EU Diagnostic (DIAG) Submenus

Front Panel

Mode Indicator

DIAGNOSTIC FUNCTION AND MEANING

See

M300E/EM

Manual

SIGNAL I/O: Allows observation of all digital and analog signals in the

instrument. Allows certain digital signals such as valves and heaters

to be toggled ON and OFF.

DIAG I/O

See

M300E/EM

Manual

ANALOG OUTPUT: When entered, the analyzer performs an analog

output step test. This can be used to calibrate a chart recorder or to

test the analog output accuracy.

DIAG AOUT

ANALOG I/O CONFIGURATION: This submenu allows the user to

configure the analyzer’s four analog output channels, including

choosing what parameter will be output on each channel. Instructions

that appear here allow adjustment and calibration the voltage signals

associated with each output as well as calibration of the analog to

digital converter circuitry on the motherboard.

DIAG AIO

6.7.1

See

M300E/EM

Manual

ELECTRIC TEST: The analyzer is performing an electric test. This test

simulates IR detector signal in a known manner so that the proper

functioning of the sync/demod board can be verified.

DIAG OPTIC

DIAG ELEC

DIAG PCAL

DIAG FCAL

See

M300E/EM

Manual

DARK CALIBRATION: The analyzer is performing a dark calibration

procedure. This procedure measures and stores the inherent dc

offset of the sync/demod board electronics.

See

M300E/EM

Manual

PRESSURE CALIBRATION: The analyzer records the current output

of the sample gas pressure sensor. This value is used by the CPU to

compensate the CO concentration.

See

M300E/EM

Manual

FLOW CALIBRATION: This function is used to calibrate the gas flow

output signals of sample gas and ozone supply. These settings are

retained when exiting DIAG.

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M300EU

Addendum to M300E/EM Manual P/N 04288

6.7. ANALOG OUTPUT CONFIGURATION

6.7.1. ANALOG I/O CONFIGURATION

Because the manner in which the analog outputs are implemented differs between the M300E/EM and the

M300EU, there are significant differences in the manner in which the ANALOG I/O are manipulated.

THE ANALOG I/O CONFIGURATION SUBMENU

This section replaces Section 6.13.5.1 of the M300E/EM Operators Manual (P/N 04288).

Table 6-5:

DIAG - Analog I/O Functions

SUB MENU

FUNCTION

Initiates a calibration of the A1, A2 and A4 analog output channels that

determines the slope and offset inherent in the circuitry of each output.

These values are stored in the and applied to the output signals by the CPU

automatically

AOUT CALIBRATED

Sets the basic electronic configuration of the A1 output. There are four

options:

• RANGE: Selects the signal type (voltage or current loop) and level of the

output

CONC_OUT_1¹

• A1 OFS: Allows them input of a DC offset to let the user manually adjust

the output level

• AUTO CAL: Enables / Disables the AOUT CALIBRATION Feature

• CALIBRATED: Performs the same calibration as AOUT CALIBRATED,

but on this one channel only.

Sets the basic electronic configuration of the A2 output. There are three

options:

• RANGE: Selects the signal type (voltage or current loop) and level of the

output

CONC_OUT_2¹

• A2 OFS: Allows them input of a DC offset to let the user manually adjust

the output level

• AUTO CAL: Enables / Disables the AOUT CALIBRATION Feature

• CALIBRATED: Performs the same calibration as AOUT CALIBRATED,

but on this one channel only.

Sets the basic electronic configuration of the A4 output. There are three

options:

• RANGE: Selects the signal type (voltage or current loop) and level of the

output

TEST OUTPUT¹

• A4 OFS: Allows them input of a DC offset to let the user manually adjust

the output level

• AUTO CAL: Enables / Disables the AOUT CALIBRATION Feature

• CALIBRATED: Performs the same calibration as AOUT CALIBRATED,

but on this one channel only.

Initiates a calibration of the A-to-D Converter circuit located on the Mother

Board.

AIN CALIBRATED

¹Changes to RANGE or REC_OFS require recalibration of this output.

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M300EU

(Addendum to M300EU Manual - P/N 04145)

M300EU OPERATING INSTRUCTIONS

To configure the analyzer’s three analog outputs, set the electronic signal type of each channel and calibrate the

outputs. This consists of:

1. Selecting an output type (voltage or current, if an optional current output driver has been installed) and

the signal level that matches the input requirements of the recording device attached to the channel.

2. Determine if the over-range feature is needed and turn it on or off accordingly.

3. If a Voltage scale is in use, a bipolar recorder offset may be added to the signal if required.

4. Choose a Test Channel parameter to be output on the channel.

5. Calibrating the output channel. This can be done automatically or manually for each channel.

To access the analog I/O configuration sub menu, press:

SAMPLE

RANGE=50.000 PPM

CO= XXXX

SETUP

<TST TST> CAL

SETUP X.X

PRIMARY SETUP MENU

CFG DAS RNGE PASS CLK MORE

EXIT

SETUP X.X

SECONDARY SETUP MENU

COMM VARS DIAG AREF

EXIT

SETUP X.X

ENTER PASSWORD:818

ENTR EXIT

Toggle these

keys to enter the

correct

DIAG

SIGNAL I/O

PASSWORD

ENTR

EXIT

Continue pressing NEXT until ...

AIO Configuration Submenu

DIAG

ANALOG I/O CONFIGURATION

ENTR

PREV NEXT

EXIT

DIAG AIO

A OUTS CALIBRATED: NO

<SET SET> CAL

DIAG AIO

CONC_OUT_1: 5V, OVR, NOCAL

Adjusts the signal output

for Analog Output A1

<SET SET> EDIT

DIAG AIO

CONC_OUT_2: 5V, OVR, NOCAL

Adjusts the signal output

for Analog Output A2

<SET SET> EDIT

DIAG AIO

TEST_OUTPUT: 5V,OVR, NOCAL

Selects the parameter top be

output on the TEST channel

and adjusts its signal output

<SET SET> EDIT

EXIT

DIAG AIO

AIN CALIBRATED: NO

<SET SET> CAL

EXIT

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

ANALOG OUTPUT SIGNAL TYPE AND RANGE SELECTION

The information found in Section 6.13.5.2 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2) User

Notes:

TURNING THE ANALOG OUTPUT OVER-RANGE FEATURE ON/OFF

The information found in Section 6.13.5.3 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2) User

Notes:

ADDING A RECORDER OFFSET TO AN ANALOG OUTPUT

The information found in Section 6.13.5.4 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2) User

Notes:

NOT APPLICABLE SECTIONS

The following sections of the M300E/EM Operators Manual (P/N 04288) relating to configuration of the analog

outputs DO NOT apply to the M300EU.

• 6.13.5.6 REPORTING GAS CONCENTRATIONS VIA THE M300E/EM ANALOG OUTPUT CHANNELS

• 6.13.5.7 SETTING THE REPORTING RANGE SCALE FOR AN ANALOG OUTPUT

• 6.13.5.8 SETTING DATA UPDATE RATE FOR AN ANALOG OUTPUT

• 6.13.5.9 TURNING AN ANALOG OUTPUT ON OR OFF

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M300EU

(Addendum to M300EU Manual - P/N 04145)

M300EU OPERATING INSTRUCTIONS

6.7.2. CALIBRATION OF THE ANALOG OUTPUTS

This section replaces Section 6.13.6 of the M300E/EM Operators Manual (P/N 04288).

ANALOG OUPUT calibration needs to be carried out on first startup of the analyzer (performed in the factory as

part of the configuration process) or whenever re-calibration is required. The analog outputs can be calibrated

automatically or adjusted manually.

During automatic calibration, the analyzer tells the output circuitry to generate a zero mV signal and high-scale

point signal (usually about 90% of chosen analog signal scale) then measures actual signal of the output. Any

error at zero or high-scale is corrected with a slope and offset.

Automatic calibration can be performed via the AOUTS CALIBRATION command, or by using the CAL button

located inside each of the output submenus (e.g. CONC_OUT_1, CONC_OUT_2 or TEST_OUTPUT). By

default, the analyzer is configured so that calibration of analog outputs can be initiated as a group with the

AOUT CALIBRATION command or individually.

ENABLING OR DISABLING THE AUTO-CAL FOR AN INDIVIDUAL ANALOG OUTPUT

The information found in Section 6.13.5.9 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2)

AUTOMATIC ANALOG OUTPUT CALIBRATION

The information found in Section 6.13.6.2 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU.

MANUAL CALIBRATION OF ANALOG OUTPUT CONFIGURED FOR VOLTAGE RANGES

The information found in Section 6.13.6.3 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2) User

Notes:

MANUAL CALIBRATION OF ANALOG OUTPUTS CONFIGURED FOR CURRENT LOOP RANGES

The information found in Section 6.13.6.4 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU with the following exception(s):

• There are minor differences in the displays ( e.g. CONC_OUT_2 instead of DATA_OUT_2)

• The current output option can only be installed on outputs A1 and A2 of the M300EU

CALIBRATING THE INTERNAL A TO D CONVERTER (AIN CALIBRATION)

The information found in Section 6.13.6.5 of the M300E/EM Operators Manual (P/N 04288) is applicable

to the M300EU.

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

6.7.3. SELECTING A TEST CHANNEL FUNCTION FOR OUTPUT A4

This section replaces Section 6.13.5.5 of the M300E/EM Operators Manual (P/N 04288)

The Test Functions available to be reported on analog output A4 are:

Table 6-6:

Test Channels Functions Available on the M300EU’s Analog Output

TEST CHANNEL

NONE

DESCRIPTION

ZERO

FULL SCALE

TEST CHANNEL IS TURNED OFF

The raw output of the optical bench’s IR

CO MEAS

CO REF

detector during the measure phase of the m/r

cycle

0 mV

5000 mV*

The raw output of the optical bench’s IR

detector during the reference phase of the

m/r cycle

0 mV

The pressure of gas in the optical bench’s

sample chamber

SAMPLE PRESSURE

SAMPLE FLOW

0 "Hg

0 cm³/min

0 C°

40 "Hg-In-A

6000 cm³/min

70 C°

The gas flow rate through the optical bench’s

sample chamber

The temperature of gas in the optical bench’s

sample chamber

SAMPLE TEMP

BENCH TEMP

WHEEL TEMP

The temperature of optical bench’s itself

The temperature of GFC wheel

0 C°

70 C°

0 C°

70 C°

The temperature of the circulating air inside

the convection oven section of the M300EU’s

interior.

OVEN TEMP

0 C°

70 C°

The drive voltage being supplied to the

thermoelectric coolers of the IR photo-detector by

the sync/demod Board.

PHT DRIVE

TEMP4

0 mV

5000 mV

SPARE

Once a function is selected, the instrument not only begins to output a signal on the analog output, but also adds

TEST to the list of Test Functions viewable via the Front Panel Display.

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M300EU

(Addendum to M300EU Manual - P/N 04145)

M300EU OPERATING INSTRUCTIONS

To activate the TEST Channel and select a function, press:

6.7.4. HESSEN PROTOCOL

The information found in Section 6.15.3 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

There is only one default gas type programmed into the M300EU. The following table replaces Table 6-

32 of the M300E/EM Operators Manual (P/N 04288).

Table 6-7:

M300EU Hessen GAS ID List

GAS DEFAULT

HESSEN GAS ID

310

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M300EU OPERATING INSTRUCTIONS

M300EU

Addendum to M300E/EM Manual P/N 04288

•

The list of Hessen status flags for the M300EU is different from that of the M300E/EM. The following

table replaces Table 6-33 of the M300E/EM Operators Manual (P/N 04288).

Table 6-8:

Default Hessen Status Bit Assignments

STATUS FLAG NAME

WARNING FLAGS

DEFAULT BIT ASSIGNMENT

SAMPLE FLOW WARNING

BENCH TEMP WARNING

SOURCE WARNING

0001

0002

0004

0008

0010

0020

0040

BOX TEMP WARNING

WHEEL TEMP WARNING

SAMPLE TEMP WARNING

SAMPLE PRESSURE WARNING

INVALID CONC

0080

(The Instrument’s Front Panel Display Will Show The

Concentration As “XXXX”)

OPERATIONAL FLAGS

In Manual Calibration Mode

In Zero Calibration Mode

In Span Calibration Mode

UNITS OF MEASURE FLAGS

UGM

0200

0400

0800

0000

2000

MGM

PPB

4000

PPM

6000

SPARE/UNUSED BITS

100, 1000, 8000

UNASSIGNED FLAGS (0000)

RELAY BOARD WARNING

AZERO WARN

OVEN TEMP WARNING

MP CAL

FRONT PANEL WARNING

ANALOG CAL WARNING

CANNOT DYN ZERO

CANNOT DYN SPAN

INVALID CONC

PHOTO TEMP WARNING

SYSTEM RESET

REAR BOARD NOT DETECTED

USER NOTES:

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M300EU

(Addendum to M300EU Manual - P/N 04145)

CALIBRATION PROCEDURES

7. CALIBRATION PROCEDURES

Calibration of the M300EU should be performed according to the procedures described in Chapters 7 & 8 of the

M300E/EM Manual - P/N 04288 with the following notes and exceptions:

•

Delivering span and zero gases for the higher resolution the M300EU can be difficult. Attention must be

paid to the quality of the gasses, the level of contaminants in the gases as well as the history and

conditioning of the gas delivery components.

The analyzer must be continually operating with and adequate flow of sample gas, for 2 hours prior to

performing a calibration (12 hours is recommended for the initial calibration).

• DO NOT calibrate the analyzer if it has been turned off or if no sample gas has been flow though it

within the last 2 hours.

•

After this stabilization period is complete and just prior to performing the initial calibration, force the

instrument to perform an auto-reference measurement by following the instructions in Section 6.4.2 .

REQUIRED EQUIPMENT, SUPPLIES AND EXPENDABLES

•

Gas lines to and from the analyzer should be PTFE or FEP Teflon, glass, stainless steel or brass only.

Zero-air source (defined in Section 7.1.2 of the M300E/EM Operators Manual).

• Zero air must include at least 5% O₂(required for the proper operation of the CO scrubber).

• If a zero air generator, such as the Teledyne Instruments M701, is used it MUST be equipped with a

hydrocarbon (HC) & CO scrubber option. For the Teledyne Instruments M701, this is Option 2B.

•

Span gas source (defined in Section 7.1.3 of the M300E/EM Operators Manual).

A recording device such as a strip-chart recorder and/or data logger (optional). Data recording device

should be capable of bi-polar operation so that negative readings can be recorded.

•

For electronic documentation, the internal data acquisition system can be used.

NOTE

If any problems occur while performing the following calibration procedures, refer to Chapter 11 of this

manual for troubleshooting tips.

MANUAL CALIBRATION

The information found in Section 7.2 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

•

STEP3 – ZERO/SPAN CALIBRATION

• Set the display to show the STABILITY test function (same as the CO STB function mentioned in the

M300E/EM operator’s manual).

• There is no GAS TO CAL step because the M300EU cannot be modified to include the O₂and CO₂

sensor packages.

MANUAL CALIBRATION CHECKS

The information found in Section 7.3 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

• Set the display to show the STABILITY test function.

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CALIBRATION PROCEDURES

M300EU

Addendum to M300E/EM Manual P/N 04288

MANUAL CALIBRATION WITH ZERO/SPAN VALVES

The information found in Section 7.4 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

• Set the display to show the STABILITY test function.

• There is no GAS TO CAL step.

MANUAL CALIBRATION CHECKS WITH ZERO/SPAN VALVES

The information found in Section 7.5 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

• Set the display to show the STABILITY test function.

• There is no GAS TO CAL step.

CALIBRATION WITH REMOTE CONTACT CLOSURES

The information found in Section 7.6 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

NOTE

It is required that the analyzer be forced to perform an auto-reference measurement just prior to

calibration, however this cannot be forced via the analyzer’s digital control inputs.

The A-REF measurement can only be initiated using either the instrument’s front pane interface or via

Teledyne Instruments’ APICOM emulator software.

AUTOMATIC ZERO/SPAN CAL/CHECK (AUTOCAL)

The information found in Section 7.7 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s).

•

The following table replaces Table 7-2 of the M300E/EM Operators Manual (P/N 04288).

Table 7-1:

AUTOCAL Modes

ACTION

MODE NAME

DISABLED

ZERO

Disables the Sequence

Causes the Sequence to perform a zero calibration/check

ZERO-SPAN

Causes the Sequence to perform a zero and span concentration

calibration/check

SPAN

Causes the Sequence to perform a span concentration

calibration/check

AUTO-REF

Causes the analyzer to perform an auto-reference measurement.

CO CALIBRATION QUALITY

The information found in Section 7.8 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU.

CALIBRATION OF OPTIONAL SENSORS

The following Sections do not apply to the M300EU:

• 7.9.1 SECTION O₂SENSOR CALIBRATION PROCEDURE

• 7.9.2 CO₂SENSOR CALIBRATION PROCEDURE

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M300EU

(Addendum to M300EU Manual - P/N 04145)

EPA Protocol Calibration

8. EPA PROTOCOL CALIBRATION

The information found in Chapter 8 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU.

USER NOTES:

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EPA Protocol Calibration

M300EU

Addendum to M300E/EM Manual P/N 04288

USER NOTES:

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M300EU

(Addendum to M300EU Manual - P/N 04145)

INSTRUMENT MAINTENANCE

9. INSTRUMENT MAINTENANCE

The information found in Chapter 9 of the M300E/EM Operators Manual (P/N 04288) is applicable to the M300EU with the

following exception(s):

•

The oven temperature should be tracked along with the other parameters listed on Table 9-2 of the

M300E/EM Operators Manual (see Table 9-1 below).

9.1. PERFOMING AN AUTO-REFERENCE MEASUREMENT

AFTER MAINTENANCE

It is very important to manually initiate an A-REF measurement whenever any maintenance is performed on the

M300EU, particularly if that maintenance is involves:

•

Opening the top cover or the front panel while the instrument is making A-REF measurements.

Opening the top cover or the front panel at any time when the next ACAL scheduled A-REF

measurement cycle is < 2 hours away.

•

Turning off the analyzer at any time when the next ACAL scheduled A-REF measurement cycle is < 2

hours away.

This should be done no sooner than 2 hours after the M300EU has been operating with the front panel / top

cover properly closed and sealed. One this manual A-REF measurement is performed; the analyzer will discard

any erroneous A-REF ratios that may have been recorded before the instrument’s oven temperature had a

chance to re-stabilize.

USER NOTES:

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INSTRUMENT MAINTENANCE

M300EU

Addendum to M300E/EM Manual P/N 04288

USER NOTES:

05831 Rev. 01

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M300EU

(Addendum to M300EU Manual - P/N 04145)

INSTRUMENT MAINTENANCE

Table 9-1:

M300EU Test Function Record

DATE RECORDED

OPERATING

FUNCTION

MODE*

ZERO CAL

SPAN CAL

SAMPLE

STABILITY

CO MEAS

MR RATIO

PRES

SAMPLE

AFTER

WARM-UP

PHT

DRIVE

SPAN CAL

ZERO CAL

SAMPLE

SLOPE

OFFSET

OVEN

TEMP

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INSTRUMENT MAINTENANCE

M300EU

Addendum to M300E/EM Manual P/N 04288

USER NOTES:

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M300EU

(Addendum to M300EU Manual - P/N 04145)

THEORY OF OPERATION

10. THEORY OF OPERATION

10.1. MEASUREMENT METHOD

The information found in Section 10.1 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following addition. It is recommended that you read that section before continuing.

10.1.1. AUTO-REFERENCE RATIO

The higher resolution of the M300EU makes it more susceptible then the M300E/EM to the effects of a variety of

environmental conditions such as:

•

Drift related to the age of the optical bench components ( e.g. the IR lamp, the IR detector, etc.)

Variations in the temperature of the sample gas (affecting it density).

Interferents, specifically CO₂and H₂O.

The M300EU accounts for these issues by adding an additional component to the CO concentration calculation

call the Auto-reference ratio.

This ratio is arrived at in the same manner as the measure/reference ratio (described in Section 10.1.3.2 of the

M300E/EM Operators Manual) with the difference that that during the measurements that are to calculate the A-

REF ratio, the gas stream is switched to pass through a scrubber that completely removes all CO from the

sample gas. Therefore the measured difference between CO MEAS and CO REF represents the exact state of

the sample gas and the optical bench’s sensors without CO present.

Figure 10-1:

M300EU Gas flow during Auto-Reference Measurements

The analyzer averages the last five A-REF ratios and multiplies this average by a constant and the result is

included in the final CO calculation as a positive or negative offset.

Whenever an A-REF is manually initiated either by using the AREF submenu via the front panel (see Section

6.4.2) or by activating pin-7 of the instrument’s digital control input connector, all previously stored A-REF ratios

are erased and the new ratio inserted. This allows the user to correct for a bad A-REF reading (e.g. the oven

temperature during the A-REF cycle was too high/low)

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THEORY OF OPERATION

M300EU

Addendum to M300E/EM Manual P/N 04288

The auto-reference measurement takes approximately 15 minutes. To ensure that the sample chamber of the

optical bench is properly purged when switching between the sample and auto-reference measurements and

vice-versa, each auto-reference cycle includes a 3 minute dwell period before and after the actual

measurements are made. This cycle is restarted every 4 hours by an ACAL sequence, programmed at the

factory (see Section 6.4).

Figure 10-2:

Auto-Reference Measurement Cycle

10.2. PNEUMATIC OPERATION

With the exceptions to the difference discussed on other portions of this addendum regarding the A-REF CO

scrubber and the Nafion^®dryer, (See Sections 3.2, 5.1.1, 5.1.2, 5.1.3, 10.1.1 & 0) the pneumatic operation is the

same as that described in Section 10.3 of the M300E/EM Operators Manual (P/N 04288).

10.2.1. THE A-REF CARBON MONOXIDE SCRUBBER

A special CO scrubber is used to remove all of the CO from the gas stream when the instrument is performing

an auto-reference measurement. The scrubber contains a substance that catalyses a chemical reaction

converting any CO in the gas stream to CO₂.

NOTE

To operate properly, the gas flowing though the scrubber must contain at least 5% O₂.

This includes calibration gases such as zero air and span gas.

The O₃scrubber is located inside the auto-reference valve assembly.

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M300EU

(Addendum to M300EU Manual - P/N 04145)

THEORY OF OPERATION

10.2.2. THE A-REF VALVE ASSEMBLY

The auto-reference valve assembly is located next to the optical bench, at the rear of the analyzer between the

Nafion^®dryer and the outer wall of the instrument (see Figure 3-1). The following table describes the state of

each valve during the analyzer’s various operational modes (see Figure 10-1).

Table 10-1:

Auto-Reference Valve Operating States

Mode

Valve State

VALVE PORT CONNECTIONS

Gas stream from Nafion^®Dryer &

SAMPLE inlet

SAMPLE

(Normal State)

3 Æ 2

Gas stream from CO scrubber

A-REF DWELL

1 Æ 2

A-REF MEASUREMENT

SAMPLE DWELL

1 Æ 2

Gas stream from Nafion^®Dryer &

SAMPLE inlet

3 Æ 2

10.2.3. THE NAFION^®DRYER.

Normal room air contains a certain amount of water vapor. While H₂O is a very low-level interferent for IR

absorption (in the same range as CO) it can cause enough interference to affect the high-resolution

measurements of the M300EU.

To account for this the M300EU has a special dryer added to the gas stream. The dryer consists of a bundle of

parallel tubes of Nafion^®, a co-polymer similar to Teflon^®that absorbs water very well but not other chemicals.

The multiple tube design of this dryer creates a large reactive surface without causing a restriction in the higher

gas flow rate required by the M300EU that a long single tube style dryer would.

Figure 10-3:

Semi-Permeable Membrane Drying Process

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THEORY OF OPERATION

M300EU

Addendum to M300E/EM Manual P/N 04288

The dryer consists of a bundle of 0.030" O.D. Nafion^®tubes housed within a single large tube shell. Sample gas

flows within the Nafion tubes while water vapor absorbs into the tubular membrane walls and is removed.

Moisture permeating the tubing is carried away by a dry purge gas within the shell that flows countercurrent to

the sample gas.

This process is called per-evaporation and is driven by the humidity gradient between the inner and outer tubes

as well as the flow rates and pressure difference between inner and outer tubing. Unlike micro-porous

membrane permeation, which transfers water through a relatively slow diffusion process, per-evaporation is a

simple kinetic reaction. Therefore, the drying process occurs quickly, typically within milliseconds.

The first step in this process is a chemical reaction between the molecules of the Nafion^®material and water,

other chemical components of the gases to be dried are usually unaffected. The chemical reaction is based on

hydrogen bonds between the water molecule and the Nafion material. Other small polar gases that are capable

of hydrogen bonds can be absorbed this way, too, such as ammonia (NH₃) and some low molecular amines.

The gas of interest to the M300EU, CO, does not get absorbed and passes though the dryer unaltered.

To provide a dry purge gas for the outer side of the Nafion tube, the M300EU returns some of the dried air from

the inner tube to the outer tube (see Figure 3-2).

When the analyzer is first started, or if the instrument is turned on after having been off for more than 30

minutes, the humidity gradient between the inner and outer tubes is not very large and the dryer’s efficiency is

low at first but improves as this cycle reduces the moisture in the sample gas and settles at a minimum humidity.

The dryer used in the M300EU is capable of adequately drying ambient air to a dew point of ≤ -6˚C (~4000 ppm

residual H₂O) at the flow rate of the analyzer.

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M300EU

(Addendum to M300EU Manual - P/N 04145)

THEORY OF OPERATION

10.3. ELECTRONIC OPERATION

10.3.1. OVERVIEW

The information found in Section 10.4.1 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

This figure replaces Figure 10-9of the M300E/EM Operators Manual.

Status Control

Outputs Outputs

Analog Outputs

Aout 4

Serial I/O

Ports

COM

TEST CHANNEL OUTPUT

1 - 8

1 – 6

Optional

Multidrop

Card

Aout 3

CO Concentration RANGE2

CO Concentration RANGE1

Aout 2

Optional

Output

COM

Aout 1

Optional

Ethernet

Card

Sample Gas

Temperature

Analog

Outputs

(D/A)

External

Digital I/O

RS-232

or RS-485

Optical Bench

Temperature

Power Up

Circuit

PC 104

CPU Card

RS-232

GFC Wheel

Temperature

Disk on

Chip

A/D

Converter

PC 104 Bus

Flash

Chip

CPU

Status

LED

Oven

Temperature

Chassis

Temperature

MOTHERBOARD

SENSOR STATUS &

CONTROL

I²C Bus

Sensor Inputs

ZERO Valve

(Optional)

CO MEAS

CO REF

Keyboard

& Display

SPAN Valve

(Optional)

RELAY

PCA

TEC

Control

Shutoff Valve

(Optional)

IR SOURCE

I²C

Status

LED

PHT

Drive

IR Photo-

detector

SYNC

DEMOD

Bench Heater

Measure/

Reference

Valve

Detector

Output

GFC

Motor

Auto-

Reference

Valve

Schmidt

Trigger

Oven Fan

Wheel Heater

Segment Sensor

M/R Sensor

Oven Heater

INTERNAL PUMP

Figure 10-4:

M300EU Electronic Overview Block Diagram

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THEORY OF OPERATION

M300EU

Addendum to M300E/EM Manual P/N 04288

10.3.2. THE RELAY PCA

The information found in Section 10.4.5 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

10.3.2.1. Temperature Control of the Convection Oven

The information found in Section 10.4.5.1 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

There are two heaters attached to either side of the optical bench (see Figure 3-1) that radiate heat into

the insulated, oven area of the analyzer. Each heater has a fan attached to it that circulates the heated

air throughout the oven airspace.

The CPU senses the temperature level form different places inside the oven area and determines the

overall temperature of the oven. Eventually, all of the components within the oven area will stabilize at

the same temperature. This usually takes about 2 hours after the instrument is turned ON.

A separate fan blows directly on the A-to-D conversion circuitry of the motherboard to more keep it at

the same temperature as the oven airspace in order to eliminate any temperature-coefficient related

offset.

Figure 10-5:

M300EU Heating Control Block Diagram

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THEORY OF OPERATION

10.3.2.2. Oven Heaters AC Power Configuration

The two main heaters for the convection oven area of the M300EU are AC heaters. A jumper, located in line on

the power connection between the relay PCA and the heaters, set the heaters in one of two configurations:

•

In parallel for 115 VAC operation, or;

In series for 230 VAC operation.

115 VAC Configuration

White Jumpers

230 VAC Configuration

Blue Jumper

Figure 10-6:

M300EU Oven Heater Configuration Jumpers

Figure 10-7:

M300EU Oven Heater Configuration Circuit

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M300EU

Addendum to M300E/EM Manual P/N 04288

10.3.2.3. Status LED’s

This information replaces that found in Sections 10.4.5.5 of the M300E/EM Operators Manual.

•

Eight LED’s are located on the analyzer’s relay board to show the current status on the various control

functions performed by the relay board (see Figure 10-14 of the M300E/EM Operators Manual).

•

They are:

Table 10-2:

Relay Board Status LED’s

STATUS WHEN LIT

LED

COLOR

FUNCTION

STATUS WHEN DARK

Cycles On/Off Every 3 Seconds under direct control of the

analyzer’s CPU.

RED

Watchdog Circuit

YELLOW

Wheel Heater

Bench Heater

HEATING

NOT HEATING

YELLOW Oven Heaters

HEATING

NOT HEATING

Sample/Cal Gas

GREEN

Valve Open to

CAL GAS FLOW

Valve Open to

SAMPLE GAS FLOW

Valve Option

Zero/Span Gas

GREEN

Valve Open to

SPAN GAS FLOW

Valve Open to

ZERO GAS FLOW

Valve Option

Shutoff Valve

Valve Open to

CAL GAS FLOW

Valve CLOSED to

CAL GAS FLOW

GREEN

Option

GREEN

IR SOURCE

Source ON

Source OFF

10.3.3. MOTHERBOARD

The information found in Section 10.4.6 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following additions:

10.3.3.1. A to D Conversion

Because the M300EU has much higher resolution and sensitivity than the M300E/EM, the possibility that

temperature-coefficient related drift could occur in the 10.3.3.1. A to D conversion circuitry if there were a

significant difference in temperature between the converter and the surrounding airspace. To prevent this, a fan

direct heated air directly onto the A to D converter area of the motherboard to ensure that it is as close as

possible to the current temperature of the oven area.

10.3.3.2. Sensor Inputs

OVEN TEMPERATURE SENSOR

A thermistor is located in the center of the insulated oven area (see Figure 3-1). It measures the analyzer’s

inside temperature. This information is stored by the CPU and can be viewed by the user for troubleshooting

purposes via the front panel display by selecting the test function OVEN TEMP or reported via the instruments

TEST CHANNEL analog output (A4) by setting the output function also named OVEN TEMP.

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(Addendum to M300EU Manual - P/N 04145)

THEORY OF OPERATION

10.3.4. POWER DISTRIBUTION

The information found in Section 10.4.5 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception(s):

•

This Figure replaces Figure 10-15 of the M300E/EM Operators Manual (P/N 04288).

SENSOR SUITES

KEY

Sensor Control

& I/O Logic

ANALOG SENSORS

OPTIONAL

DEVICES

(e.g. mA Outputs,

Ethernet PCA,

LOGIC DEVICES

AC POWER

DC POWER

IR detector

sensors

(e.g. CPU, I²C bus,

Sync Demod PCA,

Keyboard, Display,

Motherboard, etc.)

Temp Sensors,

Flow Sensors,

Pre-Amplifiers

& Amplifiers

Multidrop PCA, etc.)

Pressure Sensors

PS 1

+5 VDC

PUMP

±15 VDC

ON / OFF

SWITCH

GFC

Wheel

Motor

AC HEATERS

Bench Heater

GFC Wheel Heater

Oven Heaters

IR Source

P/S

PS 2

(+12 VDC)

Solenoid

Drivers

RELAY PCA

POWER IN

COOLING

FAN

OVEN

FAN(S)

OPTIONAL

VALVES

(e.g. Sample/Cal,

Zero/Spans, etc.)

A-REF VALVE

Figure 10-8:

M300EU Distribution Block Diagram

USER NOTES:

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(Addendum to M300EU Manual - P/N 04145)

TROUBLESHOOTING & REPAIR

11. TROUBLESHOOTING & REPAIR

11.1. GENERAL NOTES

CAUTION

THE OPERATIONS OUTLINED IN THIS CHAPTER MUST BE PERFORMED BY QUALIFIED

MAINTENANCE PERSONNEL ONLY.

PLEASE READ CHAPTER 11 OF THE M300E/EM MANUAL (P/N 04288) BEFORE

ATTEMPTING THE FOLLOWING TROUBLE SHOOTING OR REPAIR PROCEDURES

CAUTION

RISK OF ELECTRICAL SHOCK. SOME OPERATIONS NEED TO BE CARRIED OUT WITH

THE ANALYZER OPEN AND RUNNING.

EXERCISE CAUTION TO AVOID ELECTRICAL SHOCKS AND ELECTROSTATIC OR

MECHANICAL DAMAGE TO THE ANALYZER.

DO NOT DROP TOOLS INTO THE ANALYZER OR LEAVE THOSE AFTER YOUR

PROCEDURES.

DO NOT SHORTEN OR TOUCH ELECTRIC CONNECTIONS WITH METALLIC TOOLS

WHILE OPERATING INSIDE THE ANALYZER.

USE COMMON SENSE WHEN OPERATING INSIDE A RUNNING ANALYZER.

The information found in Chapter 11 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the exceptions below.

CAUTION

ALWAYS ALLOW THE M300EU TO OPERATE FOR AT LEAST TWO HOURS AFTER ALL

REPAIRS HAVE BEEN FINISHED AND THE INSTRUMENTS CASE IS RE-CLOSED.

AT THE END OF THIS 2-HOUR STABILIZATION PERIOD MANUALLY INITIATE AN A-REF

MEASUREMENT (SEE SECTION 6.4.2)

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M300EU

Addendum to M300E/EM Manual P/N 04288

11.2. FAULT DIAGNOSIS WITH WARNING MESSAGES

The following Table replaces Table 11-1; of the M300E/EM Operators Manual.

Table 11-1:

Warning Messages - Indicated Failures

WARNING

MESSAGE

FAULT CONDITION

POSSIBLE CAUSES

Bad bench heater

Bad bench temperature sensor

Bad relay controlling the bench heater

Entire relay board is malfunctioning

I²C buss malfunction

The optical bench temp is

BENCH TEMP

WARNING

controlled at 48 ± 2 ^°C.

NOTE: For M300EU‘s operating for at least 2 hours, the box

temperature typically should be the same as the oven

temperature (46ºC).

Stopped motherboard stabilization fan

Stopped oven heater fan (there are two)

Failed oven heater (s)

BOX TEMP

WARNING

Box Temp is

< 5 ^°C or > 48 ^°C.

Failed oven fan(s)

Failed oven temperature sensor

Failed relay controlling the one of the oven heaters

Failed relay board

I²C buss

Measured concentration value is too high or low.

Concentration slope value to high or too low

Measured concentration value is too high.

Concentration offset value to high.

Failed disk on chip

CANNOT DYN

SPAN

Dynamic Span operation failed

Dynamic Zero operation failed

CANNOT DYN

ZERO

CONFIG

INITIALIZED

Configuration and Calibration data

reset to original Factory state.

User erased data

Failed disk on chip

User cleared data

DATA INITIALIZED

Data Storage in iDAS was erased

Warning only appears on serial I/O com port(s)

Front panel display will be frozen, blank or will not respond.

The CPU is unable to

FRONT PANEL

WARN

Communicate with the Front Panel Failed keyboard

I²C buss failure

Display /Keyboard

Loose connector/wiring

Failed IR photo-detector

Failed sync/demod board

IR photo-detector improperly attached to the sample chamber

Bench temp too high.

PHOTO TEMP

WARNING

PHT DRIVE is

>4800 mVDC

Oven temperature outside of specified range

Failed oven heater (s)

Failed oven fan(s)

The temperature of the insulated

convection oven area of the

analyzer is outside of the specified

limits.

OVEN TEMP

WARNING

Failed oven temperature sensor

Relay controlling the one of the oven heater

Failed relay board

I²C buss

Warning only appears on serial I/O com port(s)

Front panel display will be frozen, blank or will not respond.

Massive failure of mother board

I²C buss failure

Failed relay board

Loose connectors/wiring

Mother Board not detected on

power up.

REAR BOARD NOT

DET

RELAY BOARD

WARN

The CPU cannot communicate with

the Relay Board.

(Table continued on next page)

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TROUBLESHOOTING & REPAIR

Table 11-1:

Warning Messages – Indicated Failures (cont.)

WARNING

MESSAGE

FAULT CONDITION

POSSIBLE CAUSES

Failed sample pump

Blocked sample inlet/gas line

Dirty particulate filter

Leak downstream of critical flow orifice

Failed flow sensor/circuitry

Sample flow rate is

<1400 cm³/min

SAMPLE FLOW

WARN

> 2200 cm³/min.

If sample pressure is < 10 in-hg:

o Blocked particulate filter

Sample Pressure is

<10 in-Hg or > 35 in-Hg

Normally 29.92 in-Hg at sea level

decreasing at 1 in-Hg per 1000 ft of

altitude (with no flow – pump

disconnected).

o Blocked sample inlet/gas line

o Failed pressure sensor/circuitry

If sample pressure is > 35 in-hg:

o Pressurized sample gas. Install vent

o Blocked vent line on pressurized sample/zero/span gas

supply

SAMPLE PRES

WARN

o Bad pressure sensor/circuitry

Ambient temperature outside of specified range

Failed bench heater

SAMPLE TEMP

WARN

Sample temperature is < 10^oC or >

100^oC.

Failed bench temperature sensor

Relay controlling the bench heater

Failed relay board

I²C buss

GFC wheel stopped

Failed sync/demod board

If status LED’s on the sync/demod board ARE flashing the

cause is most likely a failed:

Occurs when CO Ref is <1250

mVDC or >4950 mVDC.

SOURCE

WARNING

IR source

Either of these conditions will result

in an invalid M/R ratio.

Relay board

I²C buss

IR photo-detector

This message occurs at power on. If you have not cycled the

power on your instrument:

o Failed +5 VDC power,

The computer has rebooted.

SYSTEM RESET

o Fatal error caused software to restart

o Loose connector/wiring

Blocked cooling vents below GFC Assembly. Make sure that

adequate clear space beneath the analyzer.

Analyzer’s top cover removed

Wheel heater

The filter wheel temperature is

WHEEL TEMP

WARNING

controlled at 68 ± 2 ^°C

Wheel temperature sensor

Relay controlling the wheel heater

Entire relay board

I²C buss

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M300EU

Addendum to M300E/EM Manual P/N 04288

11.2.1. FAULT DIAGNOSIS WITH TEST FUNCTIONS

The following table supersedes Table 11.2 of the M300E/EM Operators Manual (P/N 04288).

Table 11-2:

Test Functions - Indicated Failures

INDICATED FAILURE(S)

TEST

FUNCTIONS

(As Displayed)

Time of day clock is too fast or slow

TIME

To adjust See Section 6.6of the M300E/EM Operators Manual (P/N 04288).

Battery in clock chip on CPU board may be dead.

Incorrectly configured measurement range(s) could cause response problems with a Data logger or chart

recorder attached to one of the analog output.

If the Range selected is too small, the recording device will over range.

If the Range is too big, the device will show minimal or no apparent change in readings.

Indicates noise level of instrument or CO concentration of sample gas (See Section 11.4.2 of the M300E/EM

Operators Manual for causes).

RANGE

STABIL

If the value displayed is too high the IR Source has become brighter. Adjust the variable gain potentiometer on

the sync/demod board (See Section 11.6.3 of the M300E/EM Operators Manual)

If the value displayed is too low or constantly changing and the CO REF is OK:

o Failed multiplexer on the mother board

o Failed sync/demod board

o Loose connector or wiring on sync/demod board

If the value displayed is too low or constantly changing and the CO REF is BAD:

o GFC wheel stopped or rotation is too slow

CO MEAS

CO REF

o Failed sync/demod board IR source

o Failed IR source

o Failed relay board

o Failed I²C buss

o Failed IR photo-detector

When the analyzer is sampling zero air and the ratio is too low:

o The reference cell of the GFC wheel is contaminated or leaking.

o The alignment between the GFC wheel and the segment sensor, the M/R sensor or both is incorrect.

o Failed sync/demod board

MR RATIO

When the analyzer is sampling zero air and the ratio is too high:

o Zero air is contaminated

o Failed IR photo-detector

See Table 11-1 for SAMPLE PRES WARN

PRES

Check for gas flow problems. see Section 11.1.6 of the M300E/EM Operators Manual)

SAMPLE FL

SAMPLE TEMP should be close to BENCH TEMP. Temperatures outside of the specified range or oscillating

temperatures are cause for concern

SAMPLE

TEMP

Bench temp control improves instrument noise, stability and drift. Temperatures outside of the specified range

or oscillating temperatures are cause for concern. See Table 11-1 for BENCH TEMP WARNING

Wheel temp control improves instrument noise, stability and drift. Outside of set point or oscillating

temperatures are causes for concern. See Table 11-1 for WHEEL TEMP WARNING

BENCH TEMP

WHEEL TEMP

If the box temperature is out of range:

BOX TEMP

o Check the motherboard stabilization fan (see Figure 3-1).

o See Table 11-1 for BOX TEMP WARNING.

If the oven is temperature is out of range, check both of the oven heater fans in the power supply module.

Areas to the side and rear of instrument should allow adequate ventilation.

o Check the both of the oven fans (see Figure 3-1).

OVEN TEMP

o Check both of the oven heaters.

See Table 11-1 for OVEN TEMP WARNING.

(table continued)

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TROUBLESHOOTING & REPAIR

Table 11-2:

Test Functions - Indicated Failures

TEST

INDICATED FAILURE(S)

FUNCTIONS

(As Displayed)

If this drive voltage is out of range it may indicate one of several problems:

- A poor mechanical connection between the various components in inside the detector housing

- An electronic failure of the IR Photo-Detector’s built-in cooling circuitry, or;

PHT DRIVE

- A temperature problem inside the analyzer chassis. In this case other temperature warnings would also be

active such as OVEN TEMP WARNING, BENCH TEMP WARNING or BOX TEMP WARNING.

Values outside range indicate

Contamination of the zero air or span gas supply

Instrument is Miscalibrated

Blocked gas flow

SLOPE

Contaminated or leaking GFC wheel (either chamber)

Faulty IR photo-detector

Faulty sample faulty IR photo-detector pressure sensor (P1) or circuitry

Invalid M/R ratio (see above)

Bad/incorrect span gas concentration due.

Values outside range indicate

Contamination of the zero air supply

Contaminated or leaking GFC wheel (either chamber)

Faulty IR photo-detector

OFFSET

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M300EU

Addendum to M300E/EM Manual P/N 04288

11.2.2. RELAY BOARD STATUS LED’S

The information found in Section 11.1.4.3 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception:

•

The following table replaces Table 11-5 of the M300E/EM Operators Manual.

Table 11-3: Relay Board Status LED Failure Indications

SIGNAL I/O PARAMETER

ACTIVATED BY VIEW RESULT

LED

FUNCTION

DIAGNOSTIC TECHNIQUE

Voltage displayed should change. If not:

Failed Heater

WHEEL_TEMP Faulty Temperature Sensor

Failed AC Relay

Faulty Connectors/Wiring

Voltage displayed should change. If not:

Failed Heater

BENCH_TEMP Faulty Temperature Sensor

Failed AC Relay

Yellow

WHEEL

HEATER

WHEEL_HEATER

BENCH_HEATER

Yellow

BENCH

HEATER

Faulty Connectors/Wiring

Voltage displayed should change. If not:

Failed Oven Heater(s)

Failed Oven Fans(s)

Faulty Oven Temperature Sensor

Failed AC Relay

Faulty Connectors/Wiring

Sample/Cal Valve should audibly change states. If

not:

Yellow

OVEN

HEATERS

OVEN_HEATER

CAL_VALVE

OVEN_TEMP

SAMPLE/CAL

GAS VALVE

OPTION

Failed Valve

Failed Relay Drive IC on Relay Board

Failed Relay Board

Green

N/A

Faulty +12 VDC Supply (PS2)

Faulty Connectors/Wiring

Zero/Span Valve should audibly change states. If

not:

ZERO/SPAN

GAS VALVE

OPTION

Failed Valve

Failed Relay Drive IC on Relay Board

Failed Relay Board

Faulty +12 VDC Supply (PS2)

Faulty Connectors/Wiring

Shutoff Valve should audibly change states. If not:

Failed Valve

Failed Relay Drive IC on Relay Board

Failed Relay Board

Faulty +12 VDC Supply (PS2)

Faulty Connectors/Wiring

Voltage displayed should change. If not:

Failed IR Source

Green

SPAN_VALVE

SHUTOFF_VALVE

IR_SOURCE

N/A

Green

SHUTOFF

VALVE OPTION

Faulty +12 VDC Supply (PS2)

Green

IR SOURCE

CO_MEASURE Failed Relay Board

Failed IR Photo-Detector

Failed Sync/Demod Board

Faulty Connectors/Wiring

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TROUBLESHOOTING & REPAIR

11.3. GAS FLOW PROBLEMS

Along with the information found in Section 11.2 of the M300E/EM Operators Manual (P/N 04288), also be

aware that problems with the flow of gas through the Nafion^®dryer could also be a cause of pressure or flow

problems through the M300EU. Poor gas flow or leaks related to the dryer can also cause it to not dry the

sample gas efficiently allowing extra H₂O to interfere with the analyzer’s CO measurements.

In addition to the checks described in the M300E/EM Operators Manual

•

Check for blockages in the dryer.

Check for leakage in and around the dryer and its fixtures (both the wet gas stream and the purge gas

inlets/outlets.

If it becomes necessary to replace the Nafion^®dryer, contact Teledyne Instruments’ Customer Service (see

Section 11.6) for parts and instructions.

11.4. OTHER PERFORMANCE PROBLEMS

The information found in Section 11.4 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following addition.

11.4.1. Unexplained DRIFT

Because the M300EU makes higher resolution CO measurements than the M300E/EM, subtle issues with

certain subsystems that would be unimportant for the M300E/EM can affect its accuracy: The most common of

these are:

•

Temperature Coefficient issues related to the motherboard’s A-to-D converter

Age related changes to some of the optical bench components (e.g. the mirrors, the IR source, the IR

detector, etc.)

•

Ambient changes in the condition of the instrument or the sample gas.

If a drift problem exists and calibrating the instruments zero and span points does not correct the problem or

there is no obvious component failure, perform the following operations in order:

1. Let the analyzer run un interrupted for at least 2 hours

• This will ensure that the entire oven area and all of the components therein have reached an equal

and stabile temperature.

2. Perform an Internal A-to-D Converter calibration (see Section 6.13.6.5 of the M300E/EM Operators

Manual).

• This should solve any issues related to the A/D converter.

3. Perform a Dark Calibration of the Optical Bench (see Section 6.13.7.2 of the M300E/EM Operators

Manual).

• This should account for any issues related to changes in the optical bench components.

4. Manually initiate an A-REF cycle (see Section 6.4.2).

• This should account for any issues related to changes in the ambient conditions of the sample gas.

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M300EU

Addendum to M300E/EM Manual P/N 04288

11.5. SUBSYSTEM CHECHOUT

11.5.1. RELAY BOARD

The information found in Section 11.5.5 of the M300E/EM Operators Manual (P/N 04288) is applicable to the

M300EU with the following exception:

•

The following table replaces Table 11-8 of the M300E/EM Operators Manual.

Table 11-4:

FUNCTION

Relay Board Control Devices

CONTROL

IN SOCKET

DEVICE

Wheel Heater

Bench Heater

Yes

OVEN HEATER

YES

IZS Valves

Yes

IR Source Drive

11.5.2. MOTHERBOARD

11.5.2.1. A/D Functions

The M300EU makes higher resolution CO measurements than the M300E/EM means that it is susceptible to

temperature coefficient issues related to the motherboard’s A-to-D converter that could occur if the temperature

of the motherboard differs significantly from that of the rest of the analyzer’s oven area.

•

Compare the values of the BOX TEMP & OVEN TEMP test functions. If they are significantly different

check the function of the:

• Oven theaters.

• The oven heater fans.

• The motherboard stabilization fan.

• The relays controlling the oven heaters.

• No abnormal blockages to airflow inside the oven area exist.

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TROUBLESHOOTING & REPAIR

11.6. TECHNICAL ASSISTANCE

If this addendum and its trouble-shooting / repair sections do not solve your problems, technical assistance may

be obtained from Teledyne Instruments, Customer Service, 9480 Carroll Park Drive, San Diego, CA 92121.

Phone: +1 858 657 9800 or 1-800 324 5190. Fax: +1 858 657 9816. Email: api-

[email protected].

Before you contact customer service, fill out the problem report form in Appendix C, which is also available

online for electronic submission at http://www.teledyne-api.com/forms/index.asp.

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Addendum to M300E/EM Manual P/N 04288

USER NOTES:

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M300EU Addendum to M300E/EM Manual

APPENDIX A - Version Specific Software Documentation

APPENDIX A-1: M300EU Software Menu Trees

APPENDIX A-2: M300EU Setup Variables Available Via Serial I/O

APPENDIX A-3: M300EU Warnings and Test Measurements Via Serial I/O

APPENDIX A-4: M300EU Signal I/O Definitions

APPENDIX A-5: M300EU iDAS Functions

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APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

M300EU Addendum to M300E/EM Manual

APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

SAMPLE

CLR¹

TEST¹

CAL

CALZ³

CALS³

MSG¹

SETUP

<TST

TST>

LOW²HIGH²

Press to

cycle

through the

active

warning

messages.

Press to

clear an

active

warning

messages.

ZERO SPAN CONC

SPAN CONC

RANGE=[Value] PPM

RANGE1=[Value] PPM²

RANGE2=[Value] PPM²

STABIL=[Value] PPM

CO MEAS=[Value] MV

CO REF=[Value] MV

MR RATIO=[Value]

PRIMARY SETUP

AZERO RATIO=[Value]

PRES=[Value] IN-HG-A

SAMPLE FL=[Value] CC/M

BENCH TEMP=[Value] C

WHEEL TEMP=[Value] C

OVEN TEMP=[Value] C

PHT DRIVE=[Value] MV

SLOPE1=[Value]

CFG

ACAL⁴

DAS

RANGE

PASS

CLK

SECONDARY

SETUP MENU

¹Only appears when warning messages are active.

²Only appears when the reporting ranges are set for either

DUAL or AUTO mode.

SLOPE2=[Value]

OFFSEt=[Value]

OFFSET2=[Value]

TIME=[HH:MM:SS]

COMM

VARS

DIAG

ALAR⁵

³Only appears if analyzer is equipped with Zero/Span or IZS

valve options.

Figure A-1: Basic Sample Display Menu

A-2

05924 Rev K.6

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M300EU Addendum to M300E/EM Manual

APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

Figure A-2: Primary Setup Menu (Except iDAS)

05924 Rev K.6

A-3

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APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

M300EU Addendum to M300E/EM Manual

Figure A-3: Primary Setup Menu Æ iDAS Submenu

A-4

05924 Rev K.6

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M300EU Addendum to M300E/EM Manual

APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

Figure A-4: Secondary Setup Menu Æ COMM and VARS Submenus

05924 Rev K.6

A-5

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APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

M300EU Addendum to M300E/EM Manual

Figure A-5: Secondary Setup Menu Æ Hessen Protocol Submenu

A-6

05924 Rev K.6

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M300EU Addendum to M300E/EM Manual

APPENDIX A-1: M300EU Software Menu Trees, Revision K.6

SAMPLE

SETUP

ACAL

CFG

DAS RNGE PASS CLK

COMM

VARS

DIAG

AREF

YES NO

ENTER PASSWORD: 818

PREV NEXT

FLOW

CALIBRATION

TEST CHANNEL

OUPUT

DARK

CALIBRATION

O3 GEN

CALIBRATION

ANALOG

CONFIGURATION

ANALOG

OUTPUT

SIGNAL I/O

Press ENTR

to start test

Press ENTR

to start

Press ENTR

to start

Press ENTR

to start

Calibration

0) EXT ZERO CAL

1) EXT LOW SPAN CAL

2) EXT SPAN CAL

3) MAINT MODE

<SET

SET> EDIT

NONE

CO MEASURE

CO REFERENCE

SAMPLE PRESSURE

SAMPLE FLOW

SAMPLE TEMP

BENCH TEMP

WHEEL TEMP

CHASSIS TEMP

OVEN TEMP

4) LANG2 SELECT

5) SAMPLE LED

6) CAL LED

7) FAULT LED

8) AUDIBLE BEEPER

9) ST SYSTEM OK

10) ST CONC VALID

11) ST HIGH RANGE

12) ST ZERO CAL

AOUTS CALIBRATED

CONC_OUT_1

CONC_OUT_2

TEST_OUTOUT

13) ST SPAN CAL

14) ST TEMP ALARM

15) ST FLOW ALARM

16) ST PRESS ALARM

17) ST DIAG MODE

18) ST LOW SPAN

19) ST LAMP ALARM

20) ST SYSTEM OK2

21) RELAY WATCHDOG

22) O3 SCRUB HEATER

23) SPAN VALVE

PHT DRIVE

AIN CALIBRATED

TEMP4

OFF

CAL

24) PHOTO REF VALVE

25) CAL VALVE

26) PHOTO LAMP HEATER

27) O3 GEN HEATER

AUTO²

CAL

OUTPUT

CALIBRATED

RANGE

OVER

RANGE

OFFSET²

28) INTERNAL ANALOG

VOLTAGE SIGNALS

51)

(see Appendix A)

OFF

Sets the

degree of

offset

CAL²

Manual Cal³

Correspond to analog Output A1 – A4 on back of

analyzer

Auto Cal

Only appears if one of the voltage ranges is selected.

0.1V

CURR

10V

Manual adjustment menu only appears if either the

Auto Cal feature is OFF or the range is set for

CURRent.

Only appears if the IZS option is installed.

U100

UP10 UP

DOWN

DN10

D100

Figure A-6: DIAG Menu

05924 Rev K.6

A-7

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APPENDIX A-2: Setup Variables For Serial I/O, Revision K.6

M300EU Addendum to M300E/EM Manual

APPENDIX A-2: Setup Variables For Serial I/O, Revision K.6

Table A-1: Additional or Changed Setup Variables Relevant to the M300EU, Revision K.6

NUMERIC

UNITS

DEFAULT

VALUE

SETUP VARIABLE

VALUE RANGE

DESCRIPTION

Low Access Level Setup Variables (818 password)

Same as in the M300E/EM Operators Manual Appendix A (P/N 04906)

STABIL_GAS

CO_SAMPLE

—

CO, CO2 , O2

CO2 , O2 not applicable to the M300EU

Medium Access Level Setup Variables (929 password)

Number of samples to take in measure or

reference mode.

Samples

1–30

FILT_SIZE

FILT_DELTA

CO_CONST1

CO_CONST2

Samples

PPM

—

1000

0.7

1–1000

Moving average filter size.

Absolute change to trigger adaptive filter.

CO calculation constant.

78.8

100–50000

0–10

—

1.458

Warnings:

34–53

CO calculation constant.

Optical bench temperature set point and warning

limits.

BENCH_SET

WHEEL_SET

ºC

0–100

Wheel temperature set point and warning limits.

Warnings:

57–67

ON applies auto-reference offset and dilution

factor during zero/span calibration;

ZERO_APPLY_IN_CAL

ZERO_DWELL

—

OFF, ON

1–60

OFF disables both

Dwell time after closing or opening zero scrubber

valve.

Minutes

ZERO_SAMPLES

ZERO_FILT_SIZE

Samples

1000

1–1000

1–100

Number of zero samples to average.

Auto-zero offset moving average filter size.

Minimum auto-zero ratio allowed; must be

greater than this value to be valid.

ZERO_LIMIT

ZERO_CAL

Ratio

1.15

1.18

0–5

0.5–5

Calibrated auto-zero ratio.

Target CO concentration during zero offset

calibration of range 1.

CO_TARG_ZERO1

Conc.

-100.00–999.99

Target CO concentration during mid-point

calibration of range 1.

CO_TARG_MID1

CAL_BOX_TEMP1

CO_TARG_ZERO2

Conc.

ºC

0.01–9999.99

0–100

Calibrated box temperature for range 1.

Target CO concentration during zero offset

calibration of range 2.

Conc.

-100.00–999.99

Target CO concentration during mid-point

calibration of range 2.

CO_TARG_MID2

Conc.

ºC

0.01–9999.99

0–100

CAL_BOX_TEMP2

Calibrated box temperature for range 2.

Same as

M300E/EM with

following addition:

TEST_CHAN_ID

—

NONE

1800

Diagnostic analog output ID.

TEMP4

SAMP_FLOW_SET

OVEN_SET

cc/m

0–5000

Sample flow warning limits. Set point is not used.

Warnings:

1400–2500

Warnings:

41–51

Internal box temperature #2/oven set point and

warning limits.

ºC

0–100

Internal box temperature #2/oven control cycle

period.

OVEN_CYCLE

Seconds

0.5–30

Table continues

A-8

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M300EU Addendum to M300E/EM Manual

APPENDIX A-2: Setup Variables For Serial I/O, Revision K.6

NUMERIC

UNITS

DEFAULT

VALUE

SETUP VARIABLE

OVEN_PROP

VALUE RANGE

DESCRIPTION

Internal box temperature #2/oven PID

proportional coefficient. Proportional band is the

reciprocal of this setting.

1/ºC

0.5

0–100

Internal box temperature #2/oven PID integral

coefficient.

OVEN_INTEG

OVEN_DERIV

—

0.02

0–100

Internal box temperature #2/oven PID derivative

coefficient.

Internal box temperature #2/oven set point and

warning limits.

OVEN_SET

ºC

0–100

Warnings:

37–47

BENCH_CYCLE

BENCH_PROP

Seconds

1/ºC

0.5–30

0–100

Optical bench temperature control cycle period.

Optical bench temperature PID proportional

coefficient. Proportional band is the reciprocal of

this setting.

1.5

Optical bench temperature PID integral

coefficient.

BENCH_INTEG

—

10.5

0–100

Optical bench temperature PID derivative

coefficient.

BENCH_DERIV

WHEEL_CYCLE

WHEEL_PROP

—

0–100

0.5–30

0–100

Seconds

1/ºC

Wheel temperature control cycle period.

Wheel temperature PID proportional coefficient.

Proportional band is the reciprocal of this setting.

0.3

WHEEL_INTEG

WHEEL_DERIV

—

0.06

0–100

Wheel temperature PID integral coefficient.

Wheel temperature PID derivative coefficient.

Table A-2: M300E/EM Setup Variables Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following variables listed in

Appendix A-2 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU software.

NUMERIC

UNITS

DEFAULT

VALUE

SETUP VARIABLE

VALUE RANGE

DESCRIPTION

Medium Access Level Setup Variables (929 password)

CO2_DWELL

CO2_FILT_ADAPT

CO2_FILT_SIZE

CO2_FILT_ASIZE

Seconds

—

0.1

0.1–30

ON, OFF

1–300

Dwell time before taking each sample.

ON enables CO₂adaptive filter; OFF disables

it.

Samples

CO₂moving average filter size.

CO₂moving average filter size in adaptive

mode.

1–300

Absolute CO₂conc. change to trigger adaptive

filter.

CO2_FILT_DELTA

0.01–10

Percent CO₂conc. change to trigger adaptive

filter.

CO2_FILT_PCT

CO2_FILT_DELAY

CO2_DIL_FACTOR

Seconds

—

0.1–100

0–300

Delay before leaving CO₂adaptive filter mode.

Dilution factor for CO₂. Used only if is dilution

enabled with FACTORY_OPT variable.

0.1–1000

O2_DWELL

O2_FILT_ADAPT

O2_FILT_SIZE

Seconds

—

0.1–30

ON, OFF

1–500

Dwell time before taking each sample.

ON enables O₂adaptive filter; OFF disables it.

O₂moving average filter size in normal mode.

Samples

O₂moving average filter size in adaptive

mode.

Absolute change in O₂concentration to

shorten filter.

O2_FILT_ASIZE

O2_FILT_DELTA

Samples

1–500

0.1–100

Table continues

05924 Rev K.6

A-9

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APPENDIX A-2: Setup Variables For Serial I/O, Revision K.6

M300EU Addendum to M300E/EM Manual

NUMERIC

UNITS

DEFAULT

VALUE

SETUP VARIABLE

VALUE RANGE

DESCRIPTION

Relative change in O₂concentration to

shorten filter.

O2_FILT_PCT

O2_FILT_DELAY

O2_DIL_FACTOR

Seconds

—

0.1–100

0–300

Delay before leaving O₂adaptive filter mode.

Dilution factor for O₂. Used only if is dilution

enabled with FACTORY_OPT variable.

ON enables CO₂compensation; OFF disables

it.

0.1–1000

CO2_COMP_ENABLE

CO2_COMP_CONC

—

OFF

ON, OFF

0–20

CO₂concentration to compensate for.

O₂sensor cell temperature set point and

warning limits.

O2_CELL_SET

ºC

ºK

30–70

1–500

Warnings:

45–55

Standard O₂cell temperature for temperature

compensation.

STD_O2_CELL_TEMP

323

ON enables auto-zero calibration using

scrubber; OFF disables it.

ZERO_ENABLE

ZERO_FREQ

—

Minutes

ON, OFF

OFF, ON

0.1–1440

0.1–1000

Auto-zero calibration period.

Target CO₂concentration during span

calibration.

CO2_TARG_SPAN_CONC

CO2_SLOPE

CO2_OFFSET

—

0.5–5

CO₂slope.

CO₂offset.

-10–10

Target O₂concentration during span

calibration.

O2_TARG_SPAN_CONC

20.95

0.1–100

O2_SLOPE

O2_OFFSET

—

0.5–2

-10–10

0.1–500

0.5–30

O₂slope.

O₂offset.

CO2_RANGE

O2_RANGE

100

CO₂concentration range.

O₂concentration range.

O₂cell temperature control cycle period.

O2_CELL_CYCLE

Seconds

O₂cell PID temperature control proportional

coefficient.

O₂cell PID temperature control integral

coefficient.

O₂cell PID temperature control derivative

coefficient.

O2_CELL_PROP

O2_CELL_INTEG

O2_CELL_DERIV

—

0.1

0–10

0 (disabled)

A-10

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M300EU Addendum to M300E/EM Manual

APPENDIX A-3: Warnings and Test Functions, Revision K.6

Table A-3: Additional or Changed Relevant to the M300EU Warning Messages, Revision K.6

NAME

MESSAGE TEXT

DESCRIPTION

Auto-reference ratio below limit specified by ZERO_LIMIT

variable.

WAUTOZERO

AZERO WARN 1.001

Chassis temperature outside of warning limits specified by

BOX_SET2 variable.

WBOXTEMP2

WOVENTEMP

BOX TEMP2 WARNING

OVEN TEMP WARNING

Oven temperature outside of warning limits specified by

OVEN_SET variable.

Table A-4: M300E/EM Warning Messages Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following warning messages

listed in Appendix A-3 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU

software.

NAME

MESSAGE TEXT

DESCRIPTION

WCONCALARM1

CONC ALARM 1 WARN

Concentration limit 1 exceeded.

WCONCALARM2

WO2CELLTEMP ²

CONC ALARM 2 WARN

O2 CELL TEMP WARN

Concentration limit 2 exceeded.

O₂sensor cell temperature outside of warning limits specified by

O2_CELL_SET variable.

05924 Rev K.6

A-11

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APPENDIX A-3: Warnings and Test Functions, Revision K.6

M300EU Addendum to M300E/EM Manual

Table A-5: Additional or Changed Test Function Relevant to the M300EU , Revision K.6

TEST FUNCTION

MESSAGE TEXT

DESCRIPTION

These gases not applicable to the M300EU

Measure/reference ratio during auto-reference.

Internal box temperature #2.

NAME

STABILITY

STABIL=0.0 PPM

AZERO RATIO=1.234

BOX TEMP2=29.6 C

OVEN TEMP=30.1 C

AUTOZERO

BOXTEMP2

OVENTEMP

Oven temperature

Table A-6: M300E/EM Test Function Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following test functions listed in

Appendix A-2 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU software.

TEST FUNCTION

MESSAGE TEXT

DESCRIPTION

NAME

CO2RANGE

CO2 RANGE=20 % ¹

O2 RANGE=100 % ²

CO₂range.

O₂range.

O2RANGE

1, 2

CO STB=0.0 PPM

These gases not applicable to the M300EU

[STABILITY]

CO2 STB=0.0 % ¹

O2 STB=0.0 % ²

O2CELLTEMP

CO2SLOPE

CO2OFFSET

O2SLOPE

O2 CELL TEMP=50.2 C

CO2 SLOPE=1.000

CO2 OFFSET=0.000

O2 SLOPE=0.980

O₂sensor cell temperature.

CO₂slope, computed during zero/span calibration.

CO₂offset, computed during zero/span calibration.

O₂slope, computed during zero/span calibration.

O₂offset, computed during zero/span calibration.

O2OFFSET

O2 OFFSET=1.79 %

A-12

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M300EU Addendum to M300E/EM Manual APPENDIX A-4: Signal I/O Definitions for 300E/EM Series Analyzers,

Rev. K.6

APPENDIX A-4: Signal I/O Definitions for 300E/EM Series Analyzers, Rev. K.6

Table A-7: Additional or Changed Test Signal I/O Definitions for M300EU, Revision K.6

Bit or Channel

Signal Name

Description

Number

A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex

0 = in auto-reference mode

1 = not in auto-reference mode

ST_AUTO_REF

0 = conc. limit 2 exceeded

1 = conc. OK

ST_CONC_ALARM_2

A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex

0 = in auto-reference mode

1 = not in auto-reference mode

Relay board digital output (PCF8574), default I²C address 44 hex

ST_AUTO_REF

OVEN_HTR

0 = oven heaters on

1 = off

Table A-8: M300E/EM Signal I/O Definitions Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following signals listed in

Appendix A-4 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU software.

Bit or Channel

Signal Name

Description

Number

Alarm outputs, U21, J1009, pins 1–12 = bits 4–7, default I/O address 325 hex

1 = conc. limit 1 exceeded

0 = conc. OK

1 = conc. limit 2 exceeded

0 = conc. OK

ST_CONC_ALARM_1

ST_CONC_ALARM_2

A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex

0 = conc. limit 1 exceeded

ST_CONC_ALARM_1

1 = conc. OK

0 = conc. limit 2 exceeded

1 = conc. OK

ST_CONC_ALARM_2

Relay board digital output (PCF8574), default I²C address 44 hex

0 = O₂sensor cell heater on

O2_CELL_HEATER ⁵

1 = off

Rear board primary MUX analog inputs

O₂concentration sensor

O2_SENSOR

CO₂concentration sensor

CO2_SENSOR

Rear board temperature MUX analog inputs

Diagnostic temperature input

TEMP_INPUT_5

05924 Rev K.6

A-13

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APPENDIX A-5: M300EU iDAS Parameters Revision K.6

M300EU Addendum to M300E/EM Manual

APPENDIX A-5: M300EU iDAS Parameters Revision K.6

Table A-9: Additional or Changed iDAS Trigger Events for M300EU, Revision K.6

NAME

DESCRIPTION

Auto-zero warning

AZEROW

OVTMPW

Internal box temperature #2/oven warning

Table A-10: M300E/EM iDAS Trigger Events Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following iDAS triggers listed in

Appendix A-2 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU software.

NAME

EXITC2

DESCRIPTION

Exit CO₂calibration mode

CO2SLC

O2SLPC

O2TMPW

CO₂slope and offset recalculated

O₂slope and offset recalculated

O₂sensor cell temperature warning

A-14

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M300EU Addendum to M300E/EM Manual

APPENDIX A-5: M300EU iDAS Parameters Revision K.6

Table A-9: Additional or Changed iDAS Functions for M300EU, Revision K.6

NAME

AZERO

OVNTMP

DESCRIPTION

UNITS

M/R

°C

Auto-zero reading

Internal box temperature #2/oven

Fraction

OVNDTY

Internal box temperature #2/oven control duty cycle

(0.0 = off,1.0 = on full)

Table A-9: M300E/EM iDAS Functions Not Applicable to the M300EU, Revision K.6

Because the CO₂and O₂sensor options are not available on the M300EU, the following iDAS functions listed in

Appendix A-2 of the M300E/EM Operators Manual (P/N 04288) are not present in the M300EU software.

NAME

DESCRIPTION

UNITS

none

CO2SLP ¹

CO2OFS ¹

O2SLPE ³

O2OFST ³

CO₂slope

CO₂offset

O₂slope

none

O₂offset

CO₂concentration during zero/span calibration, just before computing new slope

and offset

CO2ZSC ¹

O2ZSCN ³

O₂concentration during zero/span calibration, just before computing new slope

and offset

CO2CNC ¹

O2CONC ³

O2TEMP ³

BOXTMP

TEST7

CO₂concentration

O₂concentration

O₂sensor cell temperature

°C

Internal box temperature

Diagnostic test input (TEST_INPUT_7)

Diagnostic test input (TEST_INPUT_8)

Diagnostic temperature input (TEMP_INPUT_5)

TEST8

TEMP5

05924 Rev K.6

A-15

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APPENDIX A-6: Terminal Command Designators, Revision K.6

M300EU Addendum to M300E/EM Manual

APPENDIX A-6: Terminal Command Designators, Revision K.6

The information found in Appendix A-6 of the M300E/EM Operators Manual (P/N 04906) is applicable to the

M300EU .

USER NOTES:

A-16

05924 Rev K.6

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M300EU Addendum to M300E/EM Manual

APPENDIX B - M300EU SPARE PARTS & EXPENDABLES

NOTE

Use of replacement parts other than those supplied by API may result in non-compliance with

European standard EN 61010-1.

•

04832 – Spare Parts List M300EU

05892 – Recommended Spare Parts Stocking Levels M300EU

05925 Rev A

B-1

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APPENDIX B - M300EU SPARE PARTS & EXPENDABLES

M300EU Addendum to M300E/EM Manual

USER NOTES

B-2

05925 Rev A

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