I am pretty new to this so please forgive me if this seems like a silly question. I am an old electrician who understands relay logic well which sometimes makes it hard to wrap my head around ladder logic. I am currently trying to set up a top off using two float switches. The lower float would activate that ATO pump while the upper float would act as a safety. A friend of mine provided me with what he recommends for programming. This uses a virtual outlet. My question is why? It appears that the physical outlet relies on the direct input from the breakout box switch inputs. What is the purpose of the two virtual outlets?
Switch1_Low (Virtual)
Set OFF
If Sw1 OPEN Then OFF
If Sw1 CLOSED Then ON
Switch2_High (Virtual)
Set OFF
If Sw2 OPEN Then ON
ATO_Pump (Outlet)
Fallback OFF
Set OFF
If Sw1 CLOSED Then ON
If Sw1 OPEN Then OFF
If Sw2 OPEN Then OFF
Defer 002:00 Then ON
Min Time 005:00 Then OFF
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