8. PARAMETER DESCRIPTION
IMR02C15-E4
8-112
(2) Re-hold action
When re-hold action is ON, the event action is also suppressed at the control set value change until the
measured value has entered the non-event range.
Action condition
1: Hold action ON
(Only hold action)
2: Re-hold action ON
(Hold and re-hold actions)
When the power is turned on Hold action Hold action
When transferred from STOP (control STOP)
to RUN (control RUN)
Hold action Hold action
When the set value (SV) is changed
Without hold and
re-hold actions
Re-hold action
The re-hold action is invalid for any of the following. However, the hold action is valid.
• When Setting change rate limiter other than “0 (0.0)” are set
[Example] When Event 1 type is the deviation low:
When re-hold action is OFF and event output type is deviation, the event output is produced due
to the Set value (SV) change. The re-hold action suppresses the alarm output until the measured
value has entered the non-event range again.
Event area
Measured value (PV)
Before the change
of set value
The change of set value
Set valueEvent set value
Event area
fter the change
of set value
Measured value (PV)
Set value Event set value
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