How to wire a limit switch
Black is the information input, the blue line needs to be connected to the negative pole, the brown line needs to be connected to the positive pole, the white line is the public place, wired in numerous ways. If low voltage is passed, the blue wire needs to be connected to the blue wire, if high voltage, the brown wire needs to be connected to the brown wire. When the white line is the reverse output, the white line should be in a closed state, the black line is open, if the white line is the reverse control end, the white line should be open, and the black line should be closed.
Second, what are the considerations of limit switch wiring?
1, first of all, the knowledge of the limit switch has a general knowledge, usually it is composed of the shell, interconnection system and operating head.
2, first of all, the limit switch should be set to the required location, and then connected, in addition to figure out the meaning of different letters, such as NC is long, C is the common end, NO is normally open, only to ensure that the meaning of each letter is correct before the correct operation.
3, the top of the switch is usually also equipped with numbers, 123 is normally open, 456 is normally closed, we need to set according to their actual situation, the power supply for 7 and 8, they can provide power support to the switch