Relay parameters – Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User Manual
Page 45
 
Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
Configuration Parameters 45
Relay Parameters
The Relay parameters control the operation of the on-board relays, as well as 
the relays on the Expansion Relay (XM-441) module(s). Use these parameters 
to configure which alarms the relays are associated with as well as the behavior 
of the relay.  
IMPORTANT
A relay can be defined, regardless of whether or not it is 
physically present. A non-physical relay is a virtual relay. 
When a relay (physical or virtual) activates, the module 
sends a Change of State (COS) message to its master, 
which acts on the condition as necessary. An XM-440 
Master Relay Module can activate its own relays in response 
to a relay (physical or virtual) activation at any of its slaves. 
Relay Parameters
Parameter Name
Description
Options/Comments
Number (XM Serial Configuration 
Utility only)
Sets the relay to be configured in XM Serial 
Configuration Utility. 
Relay Numbers 1 through 4 are the 
on-board relays. Relay Numbers 5 
through 12 are either relays on the 
Expansion Relay modules when they 
are connected to the XM-440 or virtual 
relays. Up to two Expansion Relay 
modules may be connected to the 
XM-440.
Virtual relays are non-physical relays. 
Use them when you want the effect of 
the relay (monitor alarms, activation 
delay, and change status) but do not 
need an actual contact closure. For 
example, a PLC or controller 
monitoring the relay status.
Note: The Relay Installed parameter 
indicates whether a relay is a virtual 
relay or a physical relay on a module.
Name (XM Serial Configuration 
Utility only)
A descriptive name to help identify the relay in the 
XM Serial Configuration Utility. 
Maximum 18 characters
Enable
Enable/disable the selected relay.
Note: The Relay Status is set to “Not Activated” 
when the relay is disabled. 
XM Configuration 
Utility
EDS File
Check to Enable
Enabled
Clear to Disable
Disabled