Teledyne API T300U User manual

MANUAL ADDENDUM

MODEL T300U

CO Analyzer with Auto-Reference

(Addendum to T300/T300M Operation Manual, P/N 06864)

9970 CARROLL CANYON ROAD

SAN DIEGO, CA 92131-1106

Toll-free Phone:

800-324-5190

Phone:

+1 858-657-9800

Fax:

+1 858-657-9816

Email:

api-sales@teledyne.com

Website:

http://www.teledyne-api.com/

Teledyne API 21 August 2018

06867D DCN7970 i

WARRANTY

See Warranty page in the T300/T300M Manual - P/N 06864.

ABOUT THIS MANUAL

This manual is intended for use in conjunction with the Model T300/T300M

Operation Manual, part number 06864. Where operation of the Model T300U

diverges from that of the Model T300/T300M, this addendum takes precedence.

Teledyne API - T300U Addendum to T300/T300M Manual

ii 06867D DCN7970

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06867D DCN7970 iii

SAFETY MESSAGES

Important safety messages are provided throughout this manual for the purpose of avoiding personal injury

or instrument damage. Please read these messages carefully. Each safety message is associated with a

safety alert symbol, and are placed throughout this manual and inside the instrument. The symbols with

messages are defined as follows:

WARNING: Electrical Shock Hazard

HAZARD: Strong oxidizer

GENERAL WARNING/CAUTION: Read the accompanying message for

specific information.

CAUTION: Hot Surface Warning

Do Not Touch: Touching some parts of the instrument without

protection or proper tools could result in damage to the part(s) and/or the

instrument.

Technician Symbol: All operations marked with this symbol are to be

performed by qualified maintenance personnel only.

Electrical Ground: This symbol inside the instrument marks the central

safety grounding point for the instrument.

CAUTION

This instrument should only be used for the purpose and in the manner described

in this manual. If you use this instrument in a manner other than that for which it

was intended, unpredictable behavior could ensue with

possible hazardous

consequences.

NEVER use any gas analyzer to sample combustible gas(es)!

Note

Technical Assistance regarding the use and maintenance of the

T300/T300M or any other Teledyne API product can be obtained by

contacting Teledyne API’s Technical Support Department:

Phone: 800-324-5190

Email: api-techsupport@teledyne.com

or by accessing various service options on our website at

http://www.teledyne-api.com/

.

Teledyne API - T300U Addendum to T300/T300M Manual

iv 06867D DCN7970

CONSIGNES DE SÉCURITÉ

Des consignes de sécurité importantes sont fournies tout au long du présent manuel dans le but d’éviter des

blessures corporelles ou d’endommager les instruments. Veuillez lire attentivement ces consignes. Chaque

consigne de sécurité est représentée par un pictogramme d’alerte de sécurité; ces pictogrammes se retrouvent

dans ce manuel et à l’intérieur des instruments. Les symboles correspondent aux consignes suivantes :

AVERTISSEMENT : Risque de choc électrique

DANGER : Oxydant puissant

AVERTISSEMENT GÉNÉRAL / MISE EN GARDE : Lire la consigne

complémentaire pour des renseignements spécifiques

MISE EN GARDE : Surface chaude

Ne pas toucher : Toucher à certaines parties de l’instrument sans protection ou

sans les outils appropriés pourrait entraîner des dommages aux pièces ou à

l’instrument.

Pictogramme « technicien » : Toutes les opérations portant ce symbole doivent

être effectuées uniquement par du personnel de maintenance qualifié.

Mise à la terre : Ce symbole à l’intérieur de l’instrument détermine le point central

de la mise à la terre sécuritaire de l’instrument.

MISE EN GARDE

Cet instrument doit être utilisé aux fins décrites et de la manière décrite dans

ce manuel. Si vous utilisez cet instrument d’une autre manière que celle pour

laquelle il a été prévu, l’instrument pourrait se comporter de façon imprévisible

et entraîner des conséquences dangereuses.

NE JAMAIS utiliser un analyseur de gaz pour échantillonner des gaz

combustibles!

06867D DCN7970 v

TABLE OF CONTENTS

1. INTRODUCTION ..................................................................................................................................................................... 9

1.1. Reference Numbering Convention ................................................................................................................................... 9

1.2. T300U Overview ............................................................................................................................................................... 9

1.3. Calibration Valve Options for the T300U ........................................................................................................................ 10

2. SPECIFICATIONS, APPROVALS, AND WARRANTY ........................................................................................................ 11

2.1. Specifications ................................................................................................................................................................. 11

2.2. EPA Equivalency Designation ........................................................................................................................................ 12

2.3. Approvals and Certifications ........................................................................................................................................... 12

2.3.1. Safety ..................................................................................................................................................................... 12

2.3.2. EMC ........................................................................................................................................................................ 12

2.3.3. Other Type Certifications ........................................................................................................................................ 12

3. GETTING STARTED ............................................................................................................................................................ 13

3.1. Unpacking the T300U ..................................................................................................................................................... 13

3.2. Instrument Layout ........................................................................................................................................................... 13

3.3. Connections and Setup .................................................................................................................................................. 15

3.3.1. Electrical Connections ............................................................................................................................................ 15

3.3.1.1. Connecting Analog Outputs ............................................................................................................................ 15

3.3.2. Connecting Status Outputs ..................................................................................................................................... 17

3.3.3. Pneumatics ............................................................................................................................................................. 18

3.4. Startup, Functional Checks, and Initial Calibration ......................................................................................................... 20

3.4.1. Startup .................................................................................................................................................................... 20

3.4.2. Warning Messages ................................................................................................................................................. 20

3.4.3. Functional Checks .................................................................................................................................................. 21

3.5. Initial Calibration ............................................................................................................................................................. 22

3.5.1. Pre-Calibration Stabilization ................................................................................................................................... 22

3.5.2. Basic CO Calibration SETUP ................................................................................................................................. 22

3.5.2.1. Calibration Gases ........................................................................................................................................... 22

3.5.3. Basic CO Calibration Procedure ............................................................................................................................. 23

4. T300U OPERATING INSTRUCTIONS ................................................................................................................................. 25

4.1. Summary of Setup and operation Differences between T300U and T300/T300M Analyzers. ........................................ 25

4.2. Operating Modes ............................................................................................................................................................ 26

4.2.1. Auto-Reference Mode (A-REF) .............................................................................................................................. 27

4.2.2. Test Functions ........................................................................................................................................................ 28

4.3. SETUP  RNGE: Analog Output Reporting Range Configuration ................................................................................ 29

4.3.1. Physical Range versus Analog Output Reporting Ranges ...................................................................................... 29

4.3.2. Analog Output Ranges for CO Concentration ......................................................................................................... 29

4.3.3. RNGE  MODE  SNGL: Configuring the T300U Analyzer for Single Range Mode ........................................... 31

4.3.4. RNGE  MODE  DUAL: Configuring the T300U Analyzer for Dual Range Mode ............................................. 32

4.3.5. RNGE  MODE  AUTO: Configuring the T300U Analyzer for Auto Range Mode .............................................. 33

4.3.6. SETUP  RNGE  UNIT: Setting the Reporting Range Unit Type ....................................................................... 35

4.4. SETUP  MORE  AREF: Configuring and Performing Auto-Reference Measurements ............................................ 36

4.4.1. Adjusting the A-REF Mode Cycle Time .................................................................................................................. 36

4.4.2. Forcing an Auto-Reference Measurement .............................................................................................................. 38

4.5. SETUP  MORE  VARS: Variables Setup and Definition .......................................................................................... 39

4.6. SETUP  MORE  DIAG: Diagnostics Functions ....................................................................................................... 40

4.7. Analog Output Configuration .......................................................................................................................................... 41

4.7.1. Analog I/O Configuration ........................................................................................................................................ 41

4.7.2. Analog Output Calibration ....................................................................................................................................... 44

4.7.3. Selecting a Test Channel Function for Output A4 ................................................................................................... 45

4.7.4. Hessen Protocol ..................................................................................................................................................... 47

5. CALIBRATION PROCEDURES ........................................................................................................................................... 49

5.1. Required Equipment, Supplies and Expendables .......................................................................................................... 49

5.2. Manual Calibration ......................................................................................................................................................... 49

5.2.1. Manual Calibration Checks ..................................................................................................................................... 50

5.2.2. Manual Calibration with Zero/Span Valves ............................................................................................................. 50

5.2.3. Manual Calibration Checks with Zero/Span Valves ................................................................................................ 50

5.2.4. Calibration With Remote Contact Closures ............................................................................................................ 50

5.2.5. Automatic Zero/Span Cal/Check (AutoCal) ............................................................................................................ 50

5.2.6. CO Calibration Quality ............................................................................................................................................ 51

5.2.7. Calibration of Optional Sensors .............................................................................................................................. 51

6. EPA PROTOCOL CALIBRATION ........................................................................................................................................ 53

7. INSTRUMENT MAINTENANCE ........................................................................................................................................... 55

Teledyne API - T300U Addendum to T300/T300M Manual Table of Contents

vi 06867D DCN7970

7.1. Perfoming an Auto-Reference Measurement after Maintenance .................................................................................... 55

8. PRINCIPLES OF OPERATION............................................................................................................................................. 59

8.1. Measurement Method .................................................................................................................................................... 59

8.1.1. Auto-Reference (A-REF) Ratio ............................................................................................................................... 59

8.2. Pneumatic Operation ...................................................................................................................................................... 60

8.2.1. The A-REF Carbon Monoxide Scrubber ................................................................................................................. 61

8.2.2. The A-REF Valve Assembly ................................................................................................................................... 61

8.2.3. The Nafion



Dryer. ................................................................................................................................................. 61

8.3. Electronic Operation ....................................................................................................................................................... 64

8.3.1. Overview ................................................................................................................................................................. 64

8.3.2. The Relay PCA ....................................................................................................................................................... 65

8.3.2.1. Temperature Control of the Convection Oven ................................................................................................ 66

8.3.2.2. Oven Heater AC Power Configuration ............................................................................................................ 67

8.3.2.3. Status LEDs .................................................................................................................................................... 68

8.3.3. Motherboard ........................................................................................................................................................... 68

8.3.3.1. A to D Conversion ........................................................................................................................................... 68

8.3.3.2. Sensor Inputs .................................................................................................................................................. 68

8.3.4. Power Distribution................................................................................................................................................... 69

9. TROUBLESHOOTING & SERVICE ...................................................................................................................................... 71

9.1. General Notes ................................................................................................................................................................ 71

9.2. Fault Diagnosis with Warning Messages ........................................................................................................................ 72

9.2.1. Fault Diagnosis with Test Functions ....................................................................................................................... 74

9.2.2. Relay Board Status LEDs ....................................................................................................................................... 76

9.3. Gas Flow Problems ........................................................................................................................................................ 77

9.4. Other Performance Problems ......................................................................................................................................... 77

9.4.1. Unexplained Drift .................................................................................................................................................... 77

9.5. Subsystem Checkout ..................................................................................................................................................... 78

9.5.1. Relay Board ............................................................................................................................................................ 78

9.5.2. Motherboard ........................................................................................................................................................... 78

9.5.2.1. A/D Functions ................................................................................................................................................. 78

9.6. Technical Assistance ...................................................................................................................................................... 79

LIST OF FIGURES

Figure 3-1: T300U Internal Layout .................................................................................................................14

Figure 3-2: T300U Analog Output Connector ................................................................................................16

Figure 3-4: T300U Internal Pneumatic Flow – Ambient Zero/Span Valves (OPT 50A) .................................19

Figure 4-1: Display during A-REF Mode ........................................................................................................27

Figure 4-2: Analog Output Connector Pin Out ...............................................................................................29

Figure 8-1: T300U Gas Flow during Auto-Reference Measurements............................................................59

Figure 8-2: Auto-Reference Measurement Cycle...........................................................................................60

Figure 8-3: Semi-Permeable Membrane Drying Process ..............................................................................62

Figure 8-4: T300U Electronic Overview Block Diagram .................................................................................65

Figure 8-5: T300U Heating Control Block Diagram........................................................................................66

Figure 8-6: T300U Oven Heater Configuration Jumpers ...............................................................................67

Figure 8-7: T300U Oven Heater Configuration Circuit ...................................................................................67

Figure 8-8: T300U Distribution Block Diagram ...............................................................................................69

LIST OF TABLES

Table 2-1: T300U Basic Unit Specifications ..................................................................................................11

Table 3-1: Analog Output Data Type Default Settings ..................................................................................16

Table 3-2: Analog Output Pin Outs ...............................................................................................................16

Table 3-3: Status Output Pin Assignments ...................................................................................................17

Table 3-4: Possible Warning Messages at Start-Up .....................................................................................20

Table 4-1: T300U Operating Modes .............................................................................................................26

Table 4-2: Test Functions Defined ................................................................................................................28

Table of Contents Teledyne API - T300U Addendum to T300/T300M Manual

06867D DCN7970 vii

Table 4-3: T300U VARS Menu .....................................................................................................................39

Table 4-4: T300U Diagnostic (DIAG) Submenus ..........................................................................................40

Table 4-5: DIAG - Analog I/O Functions .......................................................................................................41

Table 4-6: Test Channels Functions Available on the T300U’s Analog Output ............................................45

Table 4-7: T300U Hessen GAS ID List .........................................................................................................47

Table 4-8: Default Hessen Status Bit Assignments ......................................................................................47

Table 5-1: AUTOCAL Modes ........................................................................................................................50

Table 7-1: T300U Test Function Record .......................................................................................................57

Table 8-1: Auto-Reference Valve Operating States .....................................................................................61

Table 8-2: Relay Board Status LED’s ...........................................................................................................68

Table 9-1: Warning Messages - Indicated Failures ......................................................................................72

Table 9-2: Test Functions - Indicated Failures ..............................................................................................74

Table 9-3: Relay Board Status LED Failure Indications ...............................................................................76

Table 9-4: Relay Board Control Devices .......................................................................................................78

LIST OF APPENDICES

APPENDIX A: Software Menu Trees, Revision L.8

APPENDIX B: Interconnect List and Diagram

Teledyne API - T300U Addendum to T300/T300M Manual Table of Contents

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06867D DCN7970 9

1. INTRODUCTION

This addendum for the Teledyne API Model T300U is a supplement to the T300/T300M

manual (P/N 06864) and provides an overview of the instrument operation and specific

details regarding those areas where the T300U is different in design or operating method

from the T300.

In most ways the T300U is identical to the T300/T300M in design and operation;

therefore, most of the basic set up information, operating instructions and calibration,

maintenance, troubleshooting and repair methods are the same and can be found in the

T300/T300M manual (P/N 06864).

1.1. REFERENCE NUMBERING CONVENTION

Unless otherwise specified, section, figure and table reference numbers referred to

within this text are relative to this document. EXAMPLE: “Table 2-1” refers to the table

within this document.

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 sections, figures and tables in other manuals will be labeled as such and

will not be an active link. EXAMPLE: “Figure 6.1 of the T300/T300M Operators

Manual (P/N 06864)”.

1.2. T300U OVERVIEW

The Model T300U is a close derivative of the T300/T300M CO Analyzer; however its

higher sensitivity requires some changes to its design and operation, which are

documented in this addendum.

The primary differences between the T300U and the T300/T300M 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 CO

2

levels 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.

Introduction Teledyne API - T300U Addendum to T300/T300M Manual

10 06867D DCN7970

1.3. CALIBRATION VALVE OPTIONS FOR THE T300U

The hardware options for the T300x family of analyzers are available in the T300U. For

a list and descriptions of these options please see Section 1 of the T300/T300M

Operators Manual (P/N 06864).

However, the T300U offers one calibration valve option: Ambient Zero and Ambient

Span, except that due to the auto-reference gas path and multi-tube Nafion



dryer, this

option has a different gas flow in the T300U versus the T300/T300M.

06867D DCN7970 11

2. SPECIFICATIONS, APPROVALS, AND WARRANTY

2.1. SPECIFICATIONS

Table 2-1: T300U Basic Unit Specifications

PARAMETER SPECIFICATION

Ranges

Min: 0-100 ppb Full scale

Max: 0-100 ppm Full scale (selectable dual ranges and auto ranging supported)

Measurement Units ppb, ppm, µg/m

3

, mg/m

3

(selectable)

Zero Noise

1

≤ 10 ppb RMS

Span Noise

1

< 0.5% of reading RMS above 2.5 ppm

3

Lower Detectable Limit < 20 ppb

Zero Drift (24 hours)

2

< 20 ppb

Span Drift (24 hours)

4

< 0.5% of reading above 5ppm

Lag Time

1

10 sec

Rise/Fall Time

1

< 60 sec to 95%

Linearity

5

1% of full scale

Precision

1,

5

0.5% reading

Sample Flow Rate 1800 cm

3

/min. ± 20%

AC Power Requirements

Rating

100V-120V~, 60Hz, 3.0 A

220V-240V~, 50/60 Hz, 3.0 A

Typical Power Consumption

165 W

225 W

Analog Output Ranges 10V, 5V, 1V, 0.1V (selectable)

Analog Output Resolution 1 part in 4096 of selected full-scale voltage

Recorder Offset ± 10%

Voltage Coefficient < 0.05 % of reading per V

Standard I/O

1 Ethernet: 10/100Base-T

2 RS-232 (300 – 115,200 baud)

2 USB front panel device ports

8 opto-isolated digital status outputs

6 opto-isolated digital control inputs (2 defined, 4 spare)

4 analog outputs

Optional I/O

1 USB com port

1 RS485

8 analog inputs (0-10V, 12-bit)

4 digital alarm outputs

Multidrop RS232

3 4-20mA current outputs

Environmental Conditions

Installation Category (Over voltage Category) II Pollution Degree 2

Intended for indoor use only at altitudes

≤

2000 m

Temperature Range

5 - 40°C operating

Humidity Range 0-95% RH, Non-Condensing

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

Weight 50 lb (22.7 kg)

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

1

As defined by the USEPA

2

At constant temperature and voltage

3

Or 10 ppb, whichever is greater

4

Or 20 ppb, whichever is greater

5

Above 1 ppm range, otherwise 20 ppb for lower ranges

Specifications, Approvals, and Warranty Teledyne API - T300U Addendum to T300/T300M Manual

12 06867D DCN7970

2.2. EPA METHOD DESIGNATION

Teledyne API’s T300U carbon monoxide analyzer is designated as a reference method

(RFCA-1093-093) for CO measurement, as defined in 40 CFR Part 53. The official List

of Designated Reference and Equivalent Methods is published in the U.S. Federal

Register

– http://www3.epa.gov/ttn/amtic/criteria.html.

2.3. APPROVALS AND CERTIFICATIONS

The Teledyne API Model T300/T300M analyzer was tested and certified for Safety and

Electromagnetic Compatibility (EMC). This section presents the compliance statements

for those requirements and directives.

2.3.1. SAFETY

IEC 61010-1:2001 (3rd Edition), Safety requirements for electrical equipment for

measurement, control, and laboratory use.

CE: 2006/95/EC, Low-Voltage Directive

2.3.2. EMC

EN 61326-1 (IEC 61326-1), Class A Emissions/Industrial Immunity

EN 55011 (CISPR 11), Group 1, Class A Emissions

FCC 47 CFR Part 15B, Class A Emissions

CE: 2004/108/EC, Electromagnetic Compatibility Directive

2.3.3. OTHER TYPE CERTIFICATIONS

MCERTS: Sira MC 050068/05

For additional certifications, please contact Technical Support.

06867D DCN7970 13

3. GETTING STARTED

CAUTION

GENERAL SAFETY HAZARD

To avoid personal injury, always use two persons to lift and carry the

T300/T300M.

ATTENTION

COULD DAMAGE INSTRUMENT AND VOID WARRANTY

Printed Circuit Assemblies (PCAs) are sensitive to electro-static discharges

too small to be felt by the human nervous system. Failure to use ESD

protection when working with electronic assemblies will void the instrument

warranty. See A Primer on Electro-Static Discharge of the T300/300M

manual for more information on preventing ESD damage.

CAUTION!

Do not operate this instrument until you’ve removed dust plugs from SAMPLE

and EXHAUST ports on the rear panel!

Note

Teledyne API recommends that you store shipping containers/materials for

future use if/when the instrument should be returned to the factory for repair

and/or calibration service. See Warranty section in this manual and shipping

procedures on our Website at

http://www.teledyne-api.com under Customer

Support > Return Authorization.

3.1. UNPACKING THE T300U

Unpack and install the T300U per the directions in Sections 3.1 and 3.1.1. of the

T300/T300M manual (P/N 06864).

3.2. INSTRUMENT LAYOUT

The front panel of the T300U is identical to that of the T300/T300M (see Figure 3-1 of

the T300/T300M Operators Manual, P/N 06864). The Rear Panel is also very similar to

that of the T300/T300M (see Figure 3-4 of the T300/T300M Operators Manual, P/N

06864), 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

T300/T300M.

The internal layout of the T300U (Figure 3-1) differs from the T300/T300M due 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.

Getting Started Teledyne API - T300U Addendum to T300/T300M Manual

14 06867D DCN7970

Figure 3-1: T300U Internal Layout

Teledyne API - T300U Addendum to T300/T300M Manual Getting Started

06867D DCN7970 15

3.3. CONNECTIONS AND SETUP

The information found in Section 3.3 of the T300/T300M Operators Manual (P/N

06864) is applicable to the T300U with the exceptions of the Analog and Status Output

connections, as described here.

Note

To maintain compliance with EMC standards, it is required that the cable

length be no greater than 3 meters for all I/O connections, which include

Analog In, Analog Out, Status Out, Control In, Ethernet/LAN, USB, RS-232,

and RS-485.

3.3.1. ELECTRICAL CONNECTIONS

The electrical connection instructions in the T300/T300M Operators Manual apply

except as differentiated herein.

3.3.1.1. Connecting Analog Outputs

The analog outputs for the T300U are different from those of the T300/T300M. Unlike

the T300/T300M which can include options for measuring both O

2

and CO, the T300U

is a single gas analyzer (CO) and therefore does not require the fully configurable

version of the analog outputs. The following information replaces the Analog Outputs

Section of the T300/T300M Operators Manual.

The T300U is equipped with several analog output channels accessible through a

connector on the rear 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 4.2.2 for a list of available functions.

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

Table 3-1 lists the default settings for each of these channels.

Getting Started Teledyne API - T300U Addendum to T300/T300M Manual

16 06867D DCN7970

Table 3-1: Analog Output Data Type Default Settings

PARAMETER CHANNEL DEFAULT SETTING

A1

A2

A3

A4

1

DATA TYPE

1

CONC1 CONC2

Not

Available

TEST

CHANNEL

RANGE

0 – 5 VDC

2

OVERRANGE

ON

REC OFS

0 mVDC

AUTO CAL.

ON

CALIBRATED

NO

OUTPUT

ON

1

See Table A-6 of T300/T300M Appendix A for definitions of these DAS data types

2

Optional 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

A1 A2 A3 A4

+ - + - + - + -

Figure 3-2: T300U Analog Output Connector

Table 3-2: Analog Output Pin Outs

Pin Analog Output

Standard Voltage

Output

Current

Loop Option

1

A1

V Out

I Out +

2

Ground

I Out -

3

A2

V Out

I Out +

4

Ground

I Out -

5

A3

NOT USED

6

7

A4

V Out

Not Available

8

Ground

Not Available

Teledyne API - T300U Addendum to T300/T300M Manual Getting Started

06867D DCN7970 17

3.3.2. CONNECTING STATUS OUTPUTS

The information found in Section 3.3.1.5. of the T300/T300M Operators Manual is

correct with the following exception:

Table 3-3: Status Output Pin Assignments

Output #

Status

Definition

Condition

1 SYSTEM OK On if no faults are present.

2

CONC VALID

On if CO concentration measurement is valid.

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

3 HIGH RANGE

On if unit is in high range of

DUAL

or

AUTO

Range Modes.

4 ZERO CAL On whenever the instruments ZERO point is being calibrated.

5 SPAN CAL On whenever the instruments SPAN point is being calibrated.

6 DIAG MODE On whenever the instrument is in DIAGNOSTIC mode.

7

A-REF On whenever the instrument in is A-REF mode.

8 SPARE

D

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

+

DC POWER + 5 VDC

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

Getting Started Teledyne API - T300U Addendum to T300/T300M Manual

18 06867D DCN7970

3.3.3. PNEUMATICS

The pneumatic flow of the T300U is different from the T300/T300M 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.

INSTRUMENT CHASSIS

CO

Scrubber

Flow / Pressure

Sensor PCA

SAMPLE

PRESSURE

SENSOR

FLO W

SENSOR

Sample Gas

Flow Control

SAMPLE GAS

INLET

EXHAUST

GAS OUTLET

/

PUMP

GFC Wheel

Housing

GFC Motor Heat Sync

SAMPLE CHAMBER

Auto-

Reference

Valve

Multi-Tube Nafion



Dryer

3 2

1

NO COM

NC

Figure 3-3: T300U Internal Pneumatic Flow – Basic Configuration

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Teledyne API T300U User manual

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