When using the optional relay interface, T
Proc
, T
Int
or
T
Box
can be selected as source.
Under Threshold the threshold value for triggering
the alarm is defined.
Selecting Open/Closed under Mode defines the
output as High or Low alarm.
Difference mode: When activated, no absolute
value is used for the alarm threshold, but the
difference between process temperature and
ambient temperature (TProc-TAmb).
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