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3.
Alarm
Settings for the alarm via the relay contacts
3.1
Alarm type
Selection:
The relay is activated when the measured
Min / Max / None
value exceeds the Max. limit or
undershoots the Min. limit.
3.2
Alarm value
Input:
0 … 999.9
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:
NC:
the relay is closed,
Working / closed
as long as no alarm is active.
current principle
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 Fault clearance.