IFM SM2x00, Руководство по эксплуатации

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4.3.2 Consumed quantity monitoring via pulse output
OUT 1 issues a pulse signal each time the set volumetric flow quantity has been
reached (→ 10.3.3 Pulse value) �
Depending on the setting of the counting method [FPro] totalling of the volumetric
flow quantity takes into account the flow in negative direction of flow (– +) or does
not take it into account (0+) → 4.3.1 �
Imp FPro = – +
Imp FPro = 0 +
+ Q
t
t
- Q
V
+ Q = volumetric flow quantity in positive direction
- Q = volumetric flow quantity in negative direction
V = absolute volumetric flow quantity (= sum of negative and positive flow)