Chapter 2, 2 – install your flex i/o input module, Overview – Rockwell Automation 1794-IRT8XT FLEX I/O Thermocouple/RTD /Millivolt Input Module User Manual User Manual

Page 19: Before you install your module, Install your flex i/o input module, Overview before you install your module, Chapter

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Publication 1794-6.5.12 - September 2011

Chapter

2

Install Your FLEX I/O Input Module

Overview

This chapter provides you with pre-installation requirements and instructions
on how to install your FLEX I/O Thermocouple, RTD, and Millivolt Input
module.

Before You Install Your
Module

Before installing your FLEX I/O Thermocouple, RTD, and mV module, you
need to:

• verify that a suitable enclosure is available for installation of the module,

and

• position the keyswitch on the terminal base.

Topic

Page

Before You Install Your Module

7

Series A and Series B

8

Power Requirements

8

Install the Module

10

Mount on a DIN Rail

10

Mount on a Panel or Wall

13

Mount the FLEX I/O Module on the Terminal Base Unit

14

Wiring Information

16

Chapter Summary

20

ATTENTION

These modules do not receive primary operational power from the
backplane. 24V DC power must be applied to your module before
installation. If power is not applied, the module position may appear
to the adapter as an empty slot in your chassis.

ATTENTION

If using a Series B product to replace a Series A product, connect a
wire between terminals 39 and 48 on the 1794-TB3G or 1794-TB3GS
terminal base unit. If not connected, the Series B product defaults to
Series B functionality.

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