Description
2.4 Digital inputs and outputs
26
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
2.4 Digital inputs and outputs
The power monitoring device features:
● Two multifunctional digital passive inputs
● Two multifunctional digital outputs
2.4.1 Digital inputs
The following functions can be assigned to the digital inputs:
● Tariff switching for two-tariff active and reactive energy counters
● Synchronization of the demand period by means of the synchronization pulse of a syst
em
c
ontrol center or other device
● Status monitoring: Acquisition of statuses and messages of connected signal encoders
● Energy pulse input for active or reactive energy pulses. Data is transferred with the hel
p
of
weighted pulses, e.g. a parameterizable number of pulses is transferred for each kWh.
Figure 2-3 Block diagram: Digital inputs
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