PLC buttons control the barrier to go up and down

Control the barriers

Before programming the logic for the barrier with the sensors. You would like to know if you can control the barriers and see if the outputs do what you expect. Program barrier 2 to go up and down.


Test the barrier by making and testing the follow coding:

Connect PLC pushbutton 1 (Button 1) to barrier 1 Up(Q.D)

Connect PLC pushbutton 2 (Button 2) to barrier 1 Down(Q.E)

Expected result:

When pushbutton 1 is pressed barrier 1(Q.D) will go up.

When pushbutton 2 is pressed barrier 1(Q.E) will go down.

Need help?

How to use the barriers and the light sensors

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