FBM13 120 Vac Input Expander, P/N: CM400YP

The 120 V ac Input Interface Module (an expandable main module) and its counterpart 120 V ac Expansion Input Interface Module individually function as a 16- channel 120 V ac monitor. Each module performs the signal conversion required to interface these digital (i.e., on/off state) electrical input signals from the field sensors to the redundant Fieldbus. The expandable main module independently connects to the Fieldbus and is capable of supporting a single expansion module.
The expansion module connects to the Fieldbus via any expandable main module and is functionally dependent on the supporting main module.

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