Alarm ports – Rockwell Automation 1783-BMxxx Stratix 5700 Ethernet Managed Switches User Manual User Manual
Page 279
Rockwell Automation Publication 1783-UM004E-EN-P - June 2014
279
Cables and Connectors Appendix C
Alarm Ports
The front-panel alarm relay connector and ports are described below. The alarm
connector uses a male 5-pin DC Micro-style (M12) connector configuration
cordset, such as Allen-Bradley Bulletin 889D. For more information, see
publicati
.
Figure 20 - Alarm Connector Pinout
Figure 21 - Wiring Example for Alarm Inputs and Outputs
1. NO
4. Unconnected
4
5
3
1
2
2. NC
3. Unconnected
5. Common
Alarm
Relay
Coil
Alarm Input 2
Alarm Input 1
User-supplied contact closure
generates external alarms.
1
2
3
4
5
6
To User’s Alarm Input
+24V DC from User
To User’s Alarm Input
Alarms Connector
NO
COM
NC
IN2
REF
IN1
Label
Connection
NO
Alarm Output Normally Open (NO) connection
COM
Alarm Output Common connection
NC
Alarm Output Normally Closed (NC) connection
IN2
Alarm Input 2
REF
Alarm Input Reference Ground connection
IN1
Alarm Input 1
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