Setup
3.4 Inputs and outputs
FST020 Function manual
Function Manual, 09/2017, A5E42949526-AA
67
Bidirectional flow with symmetrical scaling
Current output setting
● Process value = Mass flow
● Direction = Bidirectional (Symmetric)
● Loop current scale = 4-20 mA NAMUR
● Upper range value = 400 kg/h
● Lower range value = 100 kg/h
● Fail-safe behaviour = Upper fault current
● Low flow cut-off = 25 kg/h
The pulse output function supplies pulses equivalent to a configured amount of accumulated
volume or mass. The pulse width is configured and the pulse repetition is proportional to the
selected flow rate.
Pulse repetition is calculated as follows:
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