Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD/mV Input Module User Manual - Manual (Page 27)

Publication 1797-6.5.2 - February 2001
How to Install Your FLEX Ex Thermocouple/RTD/mV Module 3-3
Electrostatic Charge Protect the system against electrostatic charge. Post a sign near this
module: Attention! Avoid electrostatic charge. For your
convenience, a sign which can be cut out and posted is included in
this user manual before the back cover.
Removal and Insertion
Under Power
Installing the Module Installation of this module consists of:
•
mounting the terminal base unit
•
installing the analog I/O module into the terminal base unit
•
installing the connecting wiring to the terminal base unit
If you are installing your module into a terminal base unit that is
already installed, proceed to “Mounting the 1797-IRT8 Module on the
Terminal Base” on page 8.
Mounting on a DIN Rail
ATTENTION
!
This module is designed so you can remove and
insert it under power. However, take special care
when removing or inserting this module in an
active process. I/O attached to any module being
removed or inserted can change states due to its
input/output signal changing conditions.
ATTENTION
!
Make certain that you power this terminal base module
combination with an instrinsically safe power supply.
Do not exceed the values listed in the specifications for
the terminal base or module.
Do not use the unused terminals on the terminal
base unit. Using the terminals as supporting
terminals can result in damage to modules and/or
unintended operation of your system.
ATTENTION
!
Do not remove or replace a terminal base unit when
power is applied. Interruption of the flexbus can
result in unintended operation or machine motion.