Allen-Bradley 1440-SDM02-01RA, User Manual, Page: 47 / 168

Rockwell Automation Publication 1440-UM001D-EN-P - September 2016 47
Install the XM-124 Standard Dynamic Measurement Module Chapter 1
Connect the Remote Relay Reset Signal
If you set the module relay to latching and the relay activates, the relay stays
activated even when the condition that caused the alarm has ended. The
remote relay reset signal enables you to reset your module relay remotely after
you have corrected the alarm condition. This option includes latched relays in
the Expansion Relay module when it is attached to the XM-124 module.
Wire the Remote Relay Reset Signal to the terminal base unit as shown in
Figure 29 .
Figure 28 - Remote Relay Reset Signal Connection
A single switch contact can also be shared by multiple XM modules wired in
parallel as shown in
Figure 30 .
TIP If you set a module relay to latching, make sure that any linked relays,
such as relays in an XM-440 Master Relay Module, are not configured as
latching. When both relays are set to latching, the relay in each module
has to be independently reset when necessary.
TIP You can discretely reset a relay with the serial or remote configuration
tool.
ATTENTION: The Switch Input circuits arefunctionally isolated from
other circuits. We recommend that the Switch RTN signal is grounded
at a signal point. Connect the Switch RTN signal to the XM terminal
base (chassis terminal) or directly to the DIN rail, or ground the signal
at the switch or other equipment that is wired to the switch.
ATTENTION: The relay reset connections may be different for
different XM modules. Figure 30 applies only to the XM-124 module.
See the installation instructions for the module for its terminal
assignments.
40 41
Momentary
Switch