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Chapter 2 Installation
I/O Connections
PM135 Powermeter Series
31
Relay Outputs
There are two relay outputs provided for energy pulsing, alarms, or
remote control.
Figure
2-19 Relay Output Connection
Digital Inputs
Four optically isolated status inputs are provided for status monitoring,
pulse counting, external power demand period, and time synchronization.
Figure
2-20 Digital Input Connection