Function block descriptions, Action function, Alarm function – Watlow EZ-ZONE RM Limit Module Rev C User Manual
Page 91

Watlow EZ-ZONE
®
RML Module
•
88
•
Chapter 6 Features
Alarm Function
The Alarm function will cause the output to change
states when Alarm Source exceeds Alarm Set Points.
Alarm
Overview
Instances - 16 per RML
Alarm Latc
hing
Alarm Bloc
king
Alarm Silencing
Alarm Hysteresis
Alarm Clear Request
Alarm Silence Request
Alarm
Type
Control LoopAlarm Logic
Alarm Sides
Alarm Displa
y
Alarm Dela
y Time
Alarm Low Set P
oint
Alarm High Set P
oint
[`S2;A]
Alarm Source Zone : 0 to 16
[LooP]
Control Loop : 1 to 4
[`iS;A]
Alarm Source Instance : 1 to 250
[`A;ty]
Alarm Type : Off, Process
[`A;Lg]
Alarm Logic : Close on Alarm, Open on Alarm
[`A;Si]
Alarm Silencing : Off, On
[`A;LA]
Alarm Latching : Non-Latching, Latching
[`A;dL]
Alarm Delay Time : 0 to 9,999 seconds
Alarm Clear Request : Ignore, Clear
Alarm Silence Request : Ignore, Silence
[`A;hi]
Alarm High Set Point : -1,999.000 to 9,999.000
[`A;hy]
Alarm Hysteresis : 0.001 to 9,999.000
[`A;bL]
Alarm Blocking : Off, Startup, Set Point, Both
[`A;Sd]
Alarm Sides : Both, High, Low
[A;dSP]
Alarm Display : Off, On
[`A;Lo]
Alarm Low Set Point : -1,999.000 to 9,999.000
Alarm Clearable : No, Yes
Alarm Latched : No, Yes
Alarm Silenced : No, Yes
Output Value : On, Off
Error : None, Open, Shorted, Measurement Error, Bad
Cal Data, Ambient Error, Fail, Not Sourced
Alarm Working Set Point : -1,999.000 to 9,999.000
Alarm Working Process Value : -1,999.000 to 9,999.000
Output Value
Alarm Clearable
Alarm Working Process Value
Alarm Working Set Point
Alarm Latched
Alarm Silenced
Alarm State
[ALM]
Alarm Menu
[`SEt]
Setup Page
[ALM]
Alarm Menu
[oPEr]
Operation Page
Error
Alarm State : Startup, None, Blocked, Alarm Low,
Alarm High, Error
Alarm Source
Alarm Source Instance
Alarm Source Zone
Alarm Source Error
Control Loop
[`sr;a]
Alarm Source : None, Analog Input, Current,
Power, Linearization, Math, Process Value,
Variable, Current Read
[`A;Lo]
Alarm Low Set Point : -1,999.000 to 9,999.000°F
[`A;hi]
Alarm High Set Point: -1,999.000 to 9,999.000°F
[a;Clr]
Alarm Clear Request : 0
[a;sir]
Alarm Silence Request : 0
[`a;st]
Alarm State: Startup, None, Blocked, Alarm Low,
Alarm High, Error
Function Block Descriptions
Each of the next several pages graphically shows each of
the RML function blocks. Note that as you view each you
will find text that is black and text that appears gray. The
gray text represents inputs that are not currently available
based on the functions defined use (red text). For instance,
when the defined use of the Analog Input function is set
for RTD, TC Linearization will appear gray. Ranges speci-
fied are in units or degrees F, if expressed in degrees C, the
range will be smaller.
Action Function
The Action Function will cause the action selected
to occur when Source Function A = ON and Active
Level = High. The active level specifies when the ac-
tion occurs. A digital value that is high causes the
action function when Active Level = High. A digital
value that is low causes the action function when Ac-
tive Level = Low. Based on a given input (Digital I/O,
Event output, Logic function, etc), the Action func-
tion can cause other functions to occur. To name a
few, starting and stopping a profile, silencing alarms,
turn control loops off and placing alarms in non-
alarm state.
Note:
Note: Action Function selection is module type and
part number dependant.
[``Fi]
Function Instance : 0 to 25
[`Leu]
Active Level : High, Low
[`Si;A]
Source Instance A : 1 to 250
[`S2;A]
Source Zone A : 0 to 16
Action
Overview
Instances - 8 per RMC
Active Level
Function Instance
Action Function
Event Status
Source Function A
Source Instance A
[`E;iS]
Event Status : On, Off
[`ACt]
Action Menu
[`SEt]
Setup Page
[`ACt]
Action Menu
[oPEr]
Operation Page
[``fn]
Action Function : None, User Set Restore, Limit Reset
*
,
Alarm,
Silence Alarms, Control Loops Off and Alarms to Non-alarm
State, Force Alarm to Occur, Idle Set Point, Tune, Manual,
Switch Control Loop Off, Remote Set Point, TRU-TUNE+
Disable, Profile Disable, Profile Hold/Resume, Start Profile,
[sfn;a]
Source Function A : None, Alarm, Compare, Counter, Digital
I/O, Profile Event Out A to H, Function Key, Limit, Logic,
Timer, Variable
*
Not available in firmware release 6.0 and above