Setting The Sp Upper And Lower Limit Values; Set Point Limiter - Omron E5 Getting Started Manual

Setting the SP Upper and Lower Limit Values

Switching 100% AT
Execute/Cancel
Switching 40% AT
Execute/Cancel
Switching Setting
Change Enable/
Disable
Switching Alarm
Latch Cancel
Parameters
4-6

Setting the SP Upper and Lower Limit Values

4-6-1

Set Point Limiter

Setting Input
contact
Event input ON
1 or 2
When AT-2 (100% AT Execute/Cancel) is set for either the Event Input Assign-
ment 1 or Event Input Assignment 2 parameter, 100% AT will be executed
when event input 1 or 2 turns ON and will be cancelled when the input turns
OFF.
Setting
Event input 1 or 2
Event input 1 or 2
When AT-1 (40% AT Execute/Cancel) is set for either the Event Input Assign-
ment 1 or Event Input Assignment 2 parameter, 40% AT will be executed
when event input 1 or 2 turns ON and will be cancelled when the input turns
OFF.
Setting
Event input 1 or 2
Event input 1 or 2
When WTPT (Setting Change Enable/Disable) is set for either the Event Input
Assignment 1 or Event Input Assignment 2 parameter, the setting change will
be disabled when event input 1 or 2 turns ON and will be enabled when the
input turns OFF.
Setting
Event input 1 or 2
Event input 1 or 2
When LAT (Alarm Latch Cancel) is set for either the Event Input Assignment 1
or Event Input Assignment 2 parameter, all alarm latches (alarms 1 to 3,
heater burnout, HS alarm, and heater overcurrent latch) will be cancelled
when event input 1 or 2 turns ON.
Setting
Event input 1 or 2
Event input 1 or 2
Symbol
ev-1
Event Input Assignment 1: Initial setting level
ev-2
Event Input Assignment 2: Initial setting level
ev-m
Number of Multi-SP Uses: Initial setting level
The setting range of the set point is limited by the set point limiter. This func-
tion can be used to prevent setting incorrect process values. The set point lim-
iter is used to prevent the control target from reaching abnormal
temperatures. If the set point is not within the range set for the set point limiter
as the result of changes to the Set Point Upper Limit or Set Point Lower Limit
parameter, the set point will automatically be change to a value within the set
Direct/Reverse Operation
parameter
Direct operation (cooling)
Reverse operation (heating) Direct operation (cooling)
Input contact
OFF 100% AT cancelled
ON 100% AT executed
Input contact
OFF 40% AT cancelled
ON 40% AT executed
Input contact
OFF Enabled
ON Disabled
Input contact
OFF ---
ON Cancelled
Parameter: level
Section 4-6
Status
Reverse operation (heating)
Status
Status
Status
Status
Description
Function of
event input func-
tion
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