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  • Accurate motion control common in the factory, you can use the PLC programming encoder after 5 minutes

Accurate motion control common in the factory, you can use the PLC programming encoder after 5 minutes

In the factory, the encoder is used in conjunction with the PLC; for general PLCs, such as Siemens or other brands of PLCs, the high-speed counter function is required, that is, the bearing of the object travels one revolution, the encoder rotates one turn, and the encoder rotates one. The circle sends a fixed pulse to the PLC (each encoder is different). After the PLC needs to measure the number of pulses received signal arrival at the destination, if a frequency converter drive motor, it can be provided fast slow, slow down in advance, and then slowly open to the parking target position, in order to achieve precise positioning.

So how does the encoder access the PLC system?

First confirm what type of encoder is it? Which channel do you need to connect to the PLC?

Finally, you need to remember to use the encoder;

1 The encoder itself is divided into PNP and NPN, please pay attention to distinguish when using.

2 The encoder is a precision device and requires single-ended grounding, that is, it is connected to the ground on the PLC side.

3 When writing the program, please set the encoder first, that is, use the function of setting one cycle after power-on. The reason has been mentioned before, you can look through it.

4 If the interference is too large, please use program filtering. How to filter the previous article, but after filtering, test whether there is data loss.

5 The movement of the encoder is a circular motion and the installation is very strict, otherwise it will affect the life of the encoder.


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