How to connect wires with photoelectric switch in Changzhou WEDM bobbin replacement?

The wiring method of each WEDM manufacturer is different. You need to find out how much voltage he used. Is this Communication 220? Or DC 12? 24? 36? This is the first thing to understand. Secondly, it is necessary to find out whether the commutation is always open. Normally closed?

Is the travel protection normally open or normally closed? Finally, see if your photoelectric switch is 2-wire or 3-wire. Normally open or normally closed?

If you want to change it, you'd better find a manufacturer. If you don't want to find a manufacturer, you have to find someone who knows what to do. Don't damage the circuit of the machine tool and delay its use.