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I got a new work job to design a cycle tester for a mechanism to make sure will work for at least 5000 cycles open - close.

I never made a pls program I start researching few days ago and seams to be very complicate to make it.

I have a TM221C16R PLC from Schneider. please help me with some instructions.

the cycle tester will have a start pushbutton, stop pushbutton, door open switch, one air cylinder with solenoid to push and pull and a counter.

Thank you,


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I think you should also have a read sensor to make sure the cylinder moves to the max position. The rest will be very simple. Have you started writing any code at all? If so show us what you have done and we will give you pointers. But not just going to write the code for you.

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