Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module - Manual (Page 30)

Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
30 Installing the XM-440 Master Relay Module
Figures 2.9 and 2.10 illustrate the behavior of the NC and NO terminals when
the relay is wired for failsafe, alarm or nonalarm condition or non-failsafe,
alarm or nonalarm condition.
Figure 2.9 Relay Connection - Failsafe, Nonalarm Condition
Non-failsafe, Alarm Condition
Table 2.1 Relay Connections for XM-440
Configured for
Failsafe Operation Relay 1 Terminals Relay 2 Terminals Relay 3 Terminals Relay 4 Terminals
Nonalarm Alarm Wire Contacts Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2
Closed Opened COM 21 20 24 22 27 25 29 28
NO 5 4 8 6 11 9 13 12
Opened Closed COM 21 20 24 22 27 25 29 28
NC 39 38 42 40 45 43 47 46
Configured for
Non-failsafe Operation Relay 1 Terminals Relay 2 Terminals Relay 3 Terminals Relay 4 Terminals
Nonalarm Alarm Wire Contacts Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2 Contact 1 Contact 2
Closed Opened COM 21 20 24 22 27 25 29 28
NC 39 38 42 40 45 43 47 46
Opened Closed COM 21 20 24 22 27 25 29 28
NO 5 4 8 6 11 9 13 12