Watlow ez-zone, Rms module, Chapter 1 overview – Watlow EZ-ZONE RM-Scanner-Modul User Manual
Page 16

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