goybar
Well-Known Member
Hi All,
I'm trying to figure out what the contactor in many(/all) of PJs diagrams is for.
If the SSR is turning on/off in conjunction with the PID, what is the purpose of the contactor?
I'm sure it is obvious, but I can't seem to wrap my mind around it.
-chris
I'm trying to figure out what the contactor in many(/all) of PJs diagrams is for.
If the SSR is turning on/off in conjunction with the PID, what is the purpose of the contactor?
I'm sure it is obvious, but I can't seem to wrap my mind around it.
-chris