Install Inter-Shelf Signal Cables; Connect Office Alarms; Figure 17 Inter-Shelf Cables; Figure 18 Controller Office Alarm Connector - ABB CPS2400U Product Manual

Install Inter-Shelf Signal Cables

Each Converter Shelf Alarm Card communicates with the Fan Shelf and Controller via daisy chained
cables.
Step
Note:
1.

Connect Office Alarms

See Appendix C: Operation without a Controller - Alarm Wiring for systems without a controller.
Step
1.
2.
1.
See footnote on page 26
Page 25
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Action
Inter-Shelf Cable to Bottom
Fan Shelf of Converter Shelf
Stack above, if present
Inter-Shelf Cables
Install only as shown.
Top (P1) and bottom (P2)
shelf connectors have
different signals.
Inter-Shelf Cable to Top
Converter Shelf of Converter
Shelf Stack below, if present
Action
Controller).