Rockwell Automation 1606-XLP XM Electronic Overspeed Detection System User Manual
Page 25
Publication GMSI10-UM015B-EN-E - June 2011
Installing the XM Electronic Overspeed Detection System 25
XM-442 Terminal Block Assignments
XM-442 Terminal Block Assignments
No.
Name
Description
0
24V In 1
Connection to primary external +24V power supply, positive side
1
24V Common
Connection to external +24V power supply, negative side (internally
DC-coupled to circuit ground)
2
Reset Relay
Switch input to reset internal relay (active low)
3
24V In 2
Connection to secondary external +24V power supply, positive side; used
when redundant power supplies are required
4
Shutdown Relay 1 N.O. 2
Shutdown Relay #1 Normally Open contact 2
5
Shutdown Relay 1 N.O. 1
Shutdown Relay #1 Normally Open contact 1
6
Shutdown Relay 2 N.O. 2
Shutdown Relay #2 Normally Open contact 2
7
No Connection
8
Shutdown Relay 2 N.O. 1
Shutdown Relay #2 Normally Open contact 1
9
Shutdown Relay 3 N.O. 2
Shutdown Relay #3 Normally Open contact 2
10
No Connection
11
Shutdown Relay 3 N.O. 1
Shutdown Relay #3 Normally Open contact 1
12
Alarm Relay N.O. 2
Alarm Relay Normally Open contact 2
13
Alarm Relay N.O. 1
Alarm Relay Normally Open contact 1
14
No Connection
15
Chassis
Connection to DIN rail ground spring or panel mounting hole
16
Primary Power Monitor
Connection to primary external +24V power supply, positive side; used to
monitor the primary electronic overspeed detection system power supply
17
24V Common
Connection to external +24V power supply, negative side (internally
DC-coupled to circuit ground)
18
Reset Relay RTN
Reset relay switch return
19
24V Out
Diode-ORed output for 24V In 1 and 24V In 2
DO NOT CONNECT
20
Shutdown Relay 1
Common 2
Shutdown Relay #1 Common contact 2
21
Shutdown Relay 1
Common 1
Shutdown Relay #1 Common contact 1
22
Shutdown Relay 2
Common 2
Shutdown Relay #2 Common contact 2
23
No Connection
24
Shutdown Relay 2
Common 1
Shutdown Relay #2 Common contact 1
25
Shutdown Relay 3
Common 2
Shutdown Relay #3 Common contact 2
26
No Connection