CODESYS - the IEC 61131-3 automation software

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 Post subject: PID controller
PostPosted: Tue Sep 27, 2005 9:16 am 
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Joined: Mon Aug 29, 2005 3:19 pm
Posts: 2
Hello,
I have a new question about PID controller. Everytime, when I start and stop and restart mi program the PID function gives me an overflow error. The error set to the PID controller is of 20, summing in steps of 1 value.
Why should this happen?

I tried to wrote the PID myself, but then I found that I do not know how to set the time. Is there any time function that allows me to sum, for instance, a value of 1 per second until my setpoint?

Thanks a lot.

Noe

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Noe


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