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Watlow ez-zone, Rms module, Chapter 1 overview – Watlow EZ-ZONE RM-Scanner-Modul User Manual

Page 16

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Watlow EZ-ZONE

®

RMS Module

13

Chapter 1 Overview

EZ-ZONE RMS Module - System Diagram

8 Scanner Channels - Slots A, B

6 - Digital I/O - Slot D

1 - Digital Input/2 Mechanical Relays - Slot E

R M S x - [1,2] [1,2] C B - A A A A

Indicates Zone

Address

Push to select Zone

Address and Protocol

Alarms

Slot D

Output

Function

Input

Function

Digital Input 9

Switch contact or volts dc

Output 7

5A Mechanical Relay Form C

Output 8

5A Mechanical Relay Form A

Some input/output combinations not possible, see ordering matrix

Zone and Status

LED

Zone Selection

Output Status

LEDs

2

3

4

5

6

1

10

9

7

8

Button

D

E
B

A

S

M

EIA - 485 Communications

Standard Bus

(optional Modbus RTU)

Inter-module Bus

Card Status

Slots A, B, D, E

Indicates I/O

Status

RUI, EZ-ZONE PM/ST,

PC, PLC or HMI

Other RM Modules

Power Supply

Modbus RTU

Address 1 - 16

Standard Bus

Zone 1 - 16

Supervisory &

Power Board

Slot C

20.4 to 30.8 Vac oe Vdc

6 - Digital

Inputs / Outputs
any combination

Slot E

Indicates communications
activity (Modbus or Stand-
ard Bus)

Slot A, B

1 - Digital Input
2 - Mechanical
Relay Outputs

switched dc/open collector

Output 1, 2, 3, 4, 5 or 6

Digital Input 1, 2, 3, 4, 5 or 6

Switch contact or volts dc

Input Sensor

None, Thermocouple, 2-Wire RTD (100, 1k),
Thermistor (5k, 10K, 20k, 40k), Process
(V, mV, mA) or 1K Potentiometer

Analog Input 1 through 8

Analog Input

Alarm

Cool Power

Heat Power

Compare

Counter

Digital I/O

Profile Event Output A-H

Function Key

Linearization

Logic

Math

Process Value

Special Output Function 1-4

Timer

Variable

Off

Input Device

Input Device