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Tab 3: Alarm
Setting for the alarm via the relay contacts.
3.1
Alarm type
Selection:
Min / Max / None
Maximum alarm (Exceeding the alarm
threshold value) or Minimum alarm (Falling
below the alarm threshold value).
3.2
Alarm value
Input:
0 … 999.9
in the selected unit
limit value for monitoring Min. or Max.
3.3 Delay
Input:
0.1 … 99.9 s
The value must permanently exceed or fall
below the set limit during this time.
3.4 Hysteresis
Input:
0.1 … 99.9 %
The alarm continues for as long as the
measurement is not smaller or larger than
the limit value plus or minus hysteresis.
3.5
Operation mode
Selection:
Working /
NC:
the relay is closed
closed-circuit principle
while there is no alarm.
NO:
the relay is closed,
if there is an alarm.
3.6
Sensor alarm
Selection:
Off:
Sensor or process indicators are
OFF /ERR / PROC
not displayed at the relay.
ERR:
Serious internal sensor errors trigger
an alarm at the relay
PROC:
Serious internal sensor errors and
process indicators trigger an alarm at the
relay. Further information on the signalling
levels ERR or PROC can in Chapter
Troubleshooting.
