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ashraf

incremental encoder

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can any one help me to make program to control direction from incremental encoder?

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You need to post much more information to expect  any help.  Which PLC?  Which encoder?  What do you mean by control direction?  You need much, much more information.

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my plc is omron  cpm1A

ecoder type is incremental encoder its signals consist of two channel A & B 

if A leads B the motor rotates CW  

if B leads A the motor rotates CCW

as shown in the image below

i want to make a program to detect the direction CW or CCW

thanks for your help

 

 

encoder.png

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I'm afraid that CPM1 does not support high speed counter

 

Edited by pfort

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pfort:  He asked about CPM1A....

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Yes, I ommited the "A" but I think it's the same about HSC.

CPM2 family however had HSC capability.

 

Capture.JPG

Edited by pfort

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I was wrong ! :-1

In the E353-E1-05 manual (link above)  read pages 77 to 93. 

Interrupt inputs, counter mode...

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