I want a PLC to know when a 120v switch is turned on that powers an exhaust fan.
I need to know what kind of relay would work and how i can tie it in to the 120v power line of the fan.
I was planning to put the relay in the 120v line in an electrical box and run 24v from the plc to that box.
I need to know what kind of relay would work and how i can tie it in to the 120v power line of the fan.
I was planning to put the relay in the 120v line in an electrical box and run 24v from the plc to that box.