Download Controller operating unit B 70.4045 Operating Instructions

9 Current alarms
Out-of-Range
Out-of-Range (measurement error) is produced in the event of going above /below the
sensor measurement range, as well as on sensor break or short-circuit.
The limits depend on the sensor which has been set.
9.1.2 Controller failure
During operation
The controller operating unit monitors all controller modules continuously for their
functions during operation. If a failure occurs, the following alarm is output:
on “Reset”
On reset/restart of the controller operating unit, the number of functional controllers is
compared with the number of controllers installed. If there is a deviation, the following
alarm is output once:
H
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This alarm does not result in a repeat display.
3.98/ JUMO mTRON controller operating unit