Table of Contents
General Description..................................................................................................................4
Features and Benefits..............................................................................................................5
Product Specifications..............................................................................................................6
Target Gas Specifications.........................................................................................................7
Step 1 – Mounting..................................................................................................................10
Step 2 – Input Wiring..............................................................................................................10
Step 3 – Output Wiring...........................................................................................................11
Step 4 – Applying Power.........................................................................................................11
Mounting the Transmitter........................................................................................................12
Connecting the Power Supply................................................................................................13
Connecting the Voltage or Current Proportional Output........................................................14
Connecting the Modbus Output..............................................................................................15
Applying Power For the First Time.........................................................................................15
Installation Diagrams..............................................................................................................16
How the Transmitter Senses the Target Gas.........................................................................18
Factory Default Settings.........................................................................................................18
Using the Analog Proportional Output....................................................................................18
Adjusting the Proportional Output..........................................................................................19
Obtaining the Best Operation.................................................................................................19
Replacing the Sensor.............................................................................................................21
Suggested Repair Parts.........................................................................................................22
Fault........................................................................................................................................22
Checking and Replacing Fuses..............................................................................................22
Common Installation/Operation Mistakes..............................................................................23
IOM02
Rev 1.0 – December 22, 2020
2