Endress+Hauser Proline Prosonic Flow 90 Operating Instructions Manual page 87

Proline Prosonic Flow 90
Endress+Hauser
Failsafe mode of outputs and totalizers
Process/system error is present
Totalizer STOP
The totalizer is paused until the fault is rectified.
ACTUAL VALUE
The fault is ignored. The totalizers continue to count
in accordance with the current flow value.
HOLD VALUE
The totalizers continue to count the flow in accord-
ance with the last valid flow value (before the error
occurred).
Status output In the event of a fault or power supply failure:
Status output
A detailed description of the response of the status
output with different configurations, such as fault
message, flow direction, limit value, etc., is provided
in the "Description of Device Functions" manual.
→
not conductive
9 Trouble-shooting
Positive zero return is activated
Totalizer stops
No effect on status output
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