Cisco IE 3000 Series Hardware Installation Manual page 130

Connecting Power and Alarm Circuits
Figure B-30
Figure B-30
1
2
3
4
If your power source is –48 VDC, this table descibes the wiring connections for
1
Power source A return connection
2 Power source A –48 VDC connection
3 External device 1, relay wire major alarm
connection
4 External device 1, relay wire major alarm
connection
See the
how to connect the power and relay connector to the front panel.
Cisco IE 3000 Switch Hardware Installation Guide
B-40
shows the completed wiring for two power supplies and two external alarm devices.
Completed Connections for Two External Alarm Devices on the Power and Relay
Connector
1
2
3
4
Power source A positive connection
Power source A return connection
External device 1, relay wire major alarm
connection
External device 1, relay wire major alarm
connection
"Attach the Power and Relay Connector to the Switch" section on page B-24
Appendix B Installation In a Hazardous Environment
5
6
7
8
5 Power source B positive connection
6 Power source B return connection
7 External device 2, relay wire minor alarm
connection
8
External device 2, relay wire minor alarm
connection
5
Power source B return connection
6 Power source B –48 VDC connection
7 External device 2, relay wire minor alarm
connection
8 External device 2, relay wire minor alarm
connection
Figure B-30.
for instructions on
OL-13017-01