ABB WaterMaster PROFIBUS RS485 Guide Utilisateur page 49

WaterMaster
Débitmètre électromagnétique Annexe A – Diagrammes de structure des blocs PROFIBUS-PA
SP
PV_SCALE
OUT_SCALE
READBACK
Fig. A.8 Algorithme du bloc AO
IM/WMPBS-FR Rev. A
Algorithmes FB
Temp = (SP – EU 0%) / (EU 100% – EU 0%)
PV_SCALE PV_SCALE PV_SCALE
OUT = Temp (EU 100% – EU 0%) + EU 0%
OUT_SCALE
Temp = (PV – EU 0%) / (EU 100% – EU 0%)
OUT_SCALE
READBACK = Temp (EU 100% – EU 0%) + EU 0%
PV_SCALE PV_SCALE PV_SCALE
OUT_SCALE OUT_SCALE
OUT_SCALE OUT_SCALE
OUT
PV
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