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Basic hvac wiring diagram. What you need to know. This figure shows the e stop wired to cutoff power to all of the devices in the circuit including the plc.
Diagram below with the following input and outputs so stop xlo start 1012 1012 reset setl 10pressed stop button pbi pressed start button pb2 12 motor overload condition ol 01 start motor m only 1 state variable required for two conditions x 10 or xl output equation m 01 resetl xl 1012 xl11ñ12.
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