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HC900 Process & Safety Controller User and Installation Manual
Revision 6
21 April 2017
Common Terminals
Two common terminals are provided for each group of eight inputs. Terminals 9 and 10 are connected in
the input module, and terminals 11 and 12 are connected in the module.
Jumper Comb
An optional two-position jumper comb is available as an option (for barrier style terminal blocks only) for
connecting digital common wiring at terminals 9 and 11
or
terminals 10 and 12. See Figure 57.
Hazardous voltages
exist at terminal blocks.
Using switches at field devices, disconnect the field wiring from power sources before servicing.
Failure to comply with these instructions could result in death or serious injury.
Figure 56
– AC Input Module Wiring Diagram
Summary of Contents for HC900
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