Digital inputs, 12di/4ro module – SATEC PM135 Manual User Manual

Page 31

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‎Chapter 2 Installation

I/O Connections

PM135 Powermeter Series

31

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

12DI/4RO Module

The 12DI/4RO module can be equipped with optional communication port
COM2 – ETHERNET or RS-422/485.

Figure ‎2-21 12DI/4RO Module

Before I/O Module installation ensure that all incoming power
sources are shut OFF. Failure to observe this practice can
result in serious or even fatal injury and damage to equipment.

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