Mounting the module – Rockwell Automation 1440-REX00-04RD XM-441 Expansion Relay Module User Manual
Page 25

Rockwell Automation Publication GMSI10-UM019C-EN-P - June 2011
Installing the XM-441 Expansion Relay Module 25
Figure 2.9 Relay Connection - Failsafe, Alarm Condition
Non-failsafe, Alarm Condition
Mounting the Module
The XM-441 mounts on the XM-943 terminal base unit, Cat. No. 1440-TB-D.
You should mount the module after you have connected the wiring on the
terminal base unit.
ATTENTION
The XM-441 is compatible only with the XM-943 terminal
base unit. The keyswitch on the terminal base unit should
be at position 3 for the XM-441.
Do not attempt to install XM-441 modules on other
terminal base units.
Do not change the position of the keyswitch after
wiring the terminal base.
ATTENTION
This module is designed so you can remove and insert it
under power. However, when you remove or insert the
module with power applied, I/O attached to the module
can change states due to its input/output signal changing
conditions. Take special care when using this feature.
WARNING
When you insert or remove the module while power is on,
an electrical can occur. This could cause an explosion in
hazardous location installations. Be sure that power is
removed or the area is nonhazardous before proceeding.