On 04/06/2016 09:47 PM, Marshland Engineering wrote: > >From the advice, I have got a bit further. > I have reduced the acceleration to 150. > > P=5 > I=2 > D=0.2 > > I have a 5 mm step and pause loop and the table travels are +- 0.02 mm from > required points. Fantastic. > > I then tried a 50 mm step and it over and under shoots by 0.6 mm. > Once I pause the machine, the error is then reduced to quite low over a period > of 3-4 seconds. > > Which parameters do I use to speed up the error corrections ? > > Are you doing anything with FF1 and FF2? You should try these to see if it helps. Are you using Halscope? If not, you are totally flying blind. You must learn to use Halscope before you will get any handle on tuning.
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