Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User 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