Honeywell 51304640-125 MU-GDID12 DIGITAL INPUT MODULE

Honeywell 51304640-125 MU-GDID12 DIGITAL INPUT MODULE

Brand: Honeywell

Module: 51304640-125 MU-GDID12

Description: Digital Input Module

Product Orgin: USA

The first method takes advantage of the HPM’s redundant Power Supply Module option. The two Power Supply Modules can be wired to operate from two separate ac feeder sources as illustrated in Figure 3-1 or 3-2. The two ac feeder sources do not have to be of the same phase, frequency,voltage, or from the same service as long as each meets the power quality requirements discussed in subsection 3.3. Second method The second method, by which two ac feeder sources can be implemented, is through an automatic transfer switch. The HPM does not need redundant.Power Supply Modules or dual ac feeders for this approach because the
transfer switch provides only one ac output. The automatic transfer switch can detect an ac failure and execute a transfer of its load from one service to
another in 5 milliseconds. The HPM will perform without compromise even if this cycle requires 10 milliseconds.

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