CODESYS - the IEC 61131-3 automation software

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 Post subject: Feedforwards
PostPosted: Thu Feb 15, 2018 10:19 pm 
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Dears.

I am working with Lenze I700 drives in sync position mode. Codesys sends the speed feedforward in encoderPulses/s and i700 interprets it as rpm factorized in 480000/2^32. That causes an following error proportional at speed. There exist any parameter to solve that?

Thanks


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 Post subject: Re: Feedforwards
PostPosted: Thu Mar 01, 2018 4:36 pm 
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Joined: Fri Nov 06, 2015 2:10 pm
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Hi Josep M. Rams

Have you found a solution I have the same problem with following error.

Thanks


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 Post subject: Re: Feedforwards
PostPosted: Tue Mar 06, 2018 10:31 am 
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Hi.

Modifying fFactorvel in ref_axe it works (But not seems to be a elegant method :( ), but I cannot know how to set the addTorque FF.


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 Post subject: Re: Feedforwards
PostPosted: Tue Apr 03, 2018 7:58 am 
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Joined: Fri Nov 06, 2015 2:10 pm
Posts: 4
Thank you for info about your solution.


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