I tried this but found a problem: if pH equals setpoint nothing happens and after a while I get a Water1 alarm (because none of the sockets turn on). I need a way to set the condition: EQUAL
Maybe this:
G1 = Water1 AND pH-value 1 Increase
G2 = Water1 AND pH-value 1 Decrease
G3 = pH-value 1 Increase NOR pH1-value 1 Decrease
G4 = Water1 AND G3
G5 = G2 OR G4
I would use either G1 or G5 to top off depending on pH value.
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