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iTrans 2
Oldham iTrans 2 User Manual
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32
Fi
gur
e 4
-8 W
iri
ng
Dual
Rem
ot
e Sen
sor
s
Digital
Mod
Bus
RTU
Interf
ace W
iring
(J1)
ModBus Inte
rface Wiring Overview
To
interface
the
to
a
di
gital
controller,
PLC,
or
HMI,
connect
the
power a
nd ground
to the
appropriate terminals
mentioned abo
ve. The
digital
31
33
Table of Contents
Default Chapter
7
Table of Contents
7
Chapter 1 | Overview
11
Overview of the Gas Monitor
11
Specifications
12
Agency Approvals - CSA
14
Chapter 2 | Hardware Overview
15
Main Electronics Unit (Housing)
15
Sensor
16
Display
16
Inputs - Intrusive and Non-Intrusive
17
Electronics Modules
18
Chapter 3 | Installation
21
Introduction
21
Installation Considerations
21
Wall Mounting
21
Column Mounting
21
Chapter 4 | System Wiring
23
Introduction
23
Wiring Preparation
23
Alarm Relay Wiring (J1, J5, and J6)
24
Power and Output Wiring (J1)
25
Sensor Wiring (J3)
26
Digital Modbus RTU Interface Wiring (J1)
32
Wiring Conclusion
36
Chapter 5 | Operation
37
Initial Start-Up
37
Warm-Up Period
37
Normal Operating Mode
37
Programming Mode Overview
39
Programming Mode - Non-Intrusive Operation
40
Sensor Type
41
Programming Mode - Push Button Operation
44
Chapter 6 | Modbus Interface
53
Introduction
53
Sample Gas Reading Via Modbus Network
54
Modbus Register List
54
Modbus Resources
59
Termination
59
Chapter 7 | Maintenance
61
Introduction
61
Sensor Replacement
62
Zero and Calibration
62
Chapter 8 | Troubleshooting
63
Introduction
63
Diagnosing Common Problems
63
Fault Codes
64
Function Codes
64
Chapter 9 | Warranty
67
Warranty
67
Limitation of Liability
67
Appendix A | HART Interface
69
Introduction
69
Hardware Overview
70
Installation
71
System Wiring
71
Operation
76
HART Interface
79
User Commands
81
Appendix B | Acronyms and Abbreviations
87
Appendix C | Decimal, Binary, and Hex Equivalents
91
Appendix D | Ordering Matrix
95
Appendix E | Factory Default Settings
99
Appendix F | Infrared Sensors
101
Appendix G | LEL Correlation Factors
103
4
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Oldham iTrans 2 Specifications
General
Brand
Oldham
Model
iTrans 2
Category
Measuring Instruments
Language
English
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