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TOPIC: Limits on small motor moves?

Limits on small motor moves? 6 years 3 months ago #676

I'm using SM1720D85C-DE in a current design. Due to the hardware design and customer's specs I need to be able to make numerous 'small' (~15-40 motor counts) moves in the same direction. I've adjusted the position error down to 15 (E=15 F) and tried PID settings both 'tight' and 'loose' (defined/calculated by SSI application). I'm seeing what I believe is odd behaviour. For the most part everything works as expected BUT at seemingly random intervals the motor will 'jump' forward/backward by ~350ish motor counts. Any thoughts?
Thanks in advance.

JT
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Re: Limits on small motor moves? 6 years 3 months ago #680

  • csearcy
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Hi JT,
Please send your program to This email address is being protected from spambots. You need JavaScript enabled to view it. and we will try to determine the cause.
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