ABB Sensyflow FMT200-ECO2 Operating Instructions Manual page 19

Sensyflow FMT200-ECO2 THERMAL MASS FLOWMETER | OI/FMT200-ECO2-EN REV. H
Impulse output option:
Figure 13: Impulse output
The current measured value is output in impulses/unit on the
digital output.
Parameter Description
Value Set flow rate per impulse.
Duration Set impulse length.
Polarity Set polarity (low/high) for the impulse.
Switch option:
Figure 14: Switch
The current measured value is monitored for fluctuation either
side of an adjustable limit value.
The polarity gives the condition of the signal within the set
limits.
Parameter Description
Threshold min Set lower limit value.
Threshold max Set upper limit value.
Polarity Set polarity (low/high).
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