Digital input/output function, Watlow ez-zone, Rmh module – Watlow EZ-ZONE RMH User Manual
Page 126: Chapter 6 features, Alarm, Deviation
Watlow EZ-ZONE
®
RMH Module
•
123
•
Chapter 6 Features
Alarm
Alarm
Latc
hing
Alarm
Bloc
king
Alarm
Silencing
Alarm
H
ysteresis
Alarm
Clear Request
Alarm
Silence Request
Alarm
Type
Control Loop
Alarm
Logic
Alarm
Sides
Alarm
D
ispla
y
Alarm
D
ela
y Tim
e
Alarm
Low
Set P
oint
Alarm
H
igh Set P
oint
Output Value
Alarm Clearable
Alarm Working Process Value
Alarm Working Set Point
Alarm Latched
Alarm Silenced
Alarm State
Error
Alarm Source
Alarm Source Instance
Alarm Source Zone
Alarm Source Error
Control Loop
Process
If Alarm Type = Process THEN Alarm Variable = Process
Value
Alarm
Alarm
Latc
hing
Alarm
Bloc
king
Alarm
Silencing
Alarm
H
ysteresis
Alarm
Clear Request
Alarm
Silence Request
Alarm
Type
Control Loop
Alarm
Logic
Alarm
Sides
Alarm
D
ispla
y
Alarm
D
ela
y Tim
e
Alarm
Low
Set P
oint
Alarm
H
igh Set P
oint
Output Value
Alarm Clearable
Alarm Working Process Value
Alarm Working Set Point
Alarm Latched
Alarm Silenced
Alarm State
Error
Alarm Source
Alarm Source Instance
Alarm Source Zone
Alarm Source Error
Control Loop
Deviation
If Alarm Type = Deviation THEN Alarm Variable = Pro-
cess Value - Closed Loop Set Point + Alarm Set Point
Digital Input/Output Function
Note:
Input Value is passed to either profile event inputs or ac-
tion function blocks.
Digital
Instances - 1- 12 per RMH
[dir]
Direction : Input Voltage, Input Dry Contact
Input State
Digital I/O Value
Error
Digital Input Value
[di;S]
Input State : On, Off
Output Low
Pow
er Scale
Output
Tim
e Base
Output Control
Output H
igh P
ow
er Scale
Direction
[S2;A]
Source
A : 0 to 16
Zone
[do;S]
Output State : On, Off
[o;Ct]
Output Control : Fixed Time Base, Variable Time Base
[o;Lo]
Output Low Power Scale : 0.0 to 100.0 %
[o;hi]
Output High Power Scale : 0.0 to 100.0 %
[o;tb]
Output Time Base : 0.1 to 60.0 seconds
[Fi]
Output Function Instance : 1 to 250
[`dio]
[oper]
Digital I/O Menu
Operation Page
[Fn]
Output Function : Off, Analog Input, Alarm, Cool Power, Heat Power,
Compare, Counter, Digital I/O, Profile Event Out A to H, Function Key,
Limit
Logic, Linearization, Math, Process Value, Special Function Output 1 to 4,
Timer, Variable,
[dio]
[SEt]
Digital I/O Menu
Setup Page
Input
Digital Input Value : On, Off
An error, when read, can indicate any of the following:
None, Open, Shorted, Measurement Error, Bad Cal Data,
Ambient Error, RTD Error, Fail, Math Error, Not Sourced,
Stale