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Rmh system isolation blocks – Watlow EZ-ZONE RMH User Manual

Page 26

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Watlow EZ-ZONE

®

RMH Module

23

Chapter 2 Install and Wire

Digital Inputs & Outputs,

Process Outputs

Analog Input 1 - 16

Communications Ports

Controller

Low Voltage Power Bus

Low-voltage Isolation: 42V peak

Safety Isolation: 1,528V

Å (ac)

Safety Isolation

No Isolation

Low-voltage

Isolation

Low-voltage

Isolation

Controller Power Supply

20.4 to 30.8V

Î (

dc)

20.4 to 30.8V

Å

(ac)

Safety Isolation

Safety Isolation

Mechanical Relay,

Solid-State Relay,

Outputs

RMH System Isolation Blocks