NIVELCO UNICONT PMG-500, User And Programming Manual, Page: 25 / 41

pmg511en21p01 25
5.7 ALARM OUTPUT
There are three alarms that operate separately. In addition, the combined alarm operation and alarm option can
be set. Use the digital input setting as [AlRE] or turn off the unit and restart the unit to clear the alarm operation.
5.7.1 Alarm Operation [PAR4 → AL-1]
Select the alarm operation. Default setting is “ DV [[”
Mode Name Alarm operation Description (default)
OFF - - No alarm output
DV]]
Deviation
upper limit
alarm
OFF
SV
100 °C
PV
110 °C
ON H
Upper deviation:
Set to 10 °C
OFF
PV
90 °C
SV
100 °C
ON H
Upper deviation:
Set to –10 °C
If the deviation between
PV and SV is higher than
the set value for the high
temperature deviation, the
alarm output will turn on.
The upper limit deviation
temperature can be set
at AL1H.
]]DV
Deviation lower
limit alarm
ON OFF
PV
90 °C
SV
100 °C
H
Lower deviation:
Set to 10 °C
ON
OFF
SV
100 °C
PV
110 °C
H
Lower deviation:
Set to –10 °C
If the deviation between
PV and SV is higher than
the deviation temperature
setpoint as a lower limit, the
alarm output will turn on.
The lower limit can be set
for the AL1L .
]DV[
Deviation
upper / lower
limit alarm
ON ON OFF
PV
120 °C
PV
90 °C
SV
100 °C
H H
Lower deviation: Set to 10 °C
Upper deviation: Set to 20 °C
If the deviation of the upper
/ lower limit between PV
and SV is higher than the
deviation temperature
setpoint, the alarm output
will turn on.
The upper limit deviation
temperature can be set
in AL1H .
The lower limit deviation
temperature can be set
in AL1L .
[DV]
Reverse alarm
upper / lower
limit
OFF OFF ON
PV
120 °C
PV
90 °C
SV
100 °C
H H
Lower deviation: set to 10 °C
Upper deviation: set to 20 °C
If the difference between
the PV and SV upper / lower
limit is higher than the set
temperature difference, the
alarm output will turn off.
The upper limit deviation
can be set in AL1H .
The lower limit deviation
can be set in the AL1L .