ZJSHUYI Physical wiring method of travel switch.www.cnswitch.cn #limitswich

Physical wiring method of travel switch
1. Use a screwdriver to remove 4 screws. Remove the cover and insulating pad. You can see the inside of the switch, it has 4 terminal screws.
2. Use the resistance gear of the multimeter to measure. The red and black test pens are respectively connected to the upper and lower wiring screws. At this time it is the same.
3. Measure the other two wiring screws as well. If the switch is not moved, the state is disconnected, that is, the position of the handle of the switch is the same position.
4. The wiring of the travel switch of this machine is 3, and the two AC contactors work by pulling its position. One of these 3 wires is the power wire, and the other two are the power leads of the two contactors. Therefore, short-circuit the two terminal screws to form a connected circuit.
5. At this time, connect the red wire, that is, the power supply, to the lower wiring screw, so that the lower wiring screw contacts have power supply when the switch is turned.
6. Then connect a blue wire to the upper wiring screw, which is actually the power lead of a contactor, or connect it to the left position.
7. Connect the remaining black wire to the corresponding position of the blue wire, the power supply of the two contactors will change the working state of the two contactors by pulling the switch position. That is, the wiring of the travel switch is completed.
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