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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.
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