7. FUNCTIONS
IMSRM02-E6
85
(2) Process alarm
When the measured value (PV) reaches the alarm set value, the alarm status is set up.
−
Process high alarm
−
Process low alarm
Time
Time
OFF
OFF
ON
OFF
ON
ON
Measured value (PV)
Measured value (PV)
Measured value (PV)
Measured value (PV)
Alarm
set value
Alarm
set value
Alarm status
Alarm status
(3) Alarm differential gap
If measured value (PV) is close to the alarm set value, the alarm relay contact may repeatedly turn on
and off due to input fluctuations. If the alarm differential gap is set, repeated turning on and off of the
relay contact can be prevented.
−
High alarm (Deviation/process)
−
Low alarm (Deviation/process)
Time
Time
Differential
gap
OFF
ON
OFF
OFF
ON
OFF
Measured value (PV)
Measured value (PV)
Measured value (PV)
Measured value (PV)
Alarm
set value
Alarm
set value
Alarm status
Alarm status
Differential
gap
−
High/low alarm
Alarm status
Differential gap
Time
OFF
ON
OFF
ON
OFF
Set value (SV)
Measured value (PV)
Measured value (PV)
Alarm set value
Alarm set value
Differential gap
Содержание SR Mini System
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