Using ilowpass with software encoder mesa 7i76

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8 years 4 months ago #112180 by Clive S
With a lot of help from the forum I successfully managed to use ilowpasss to smooth out the mpg clicks using a mesa 7i85s file attached.

I am trying to do the same using a mesa 7i76 software encoder.

The problem I have is that altering the gain just delays the output from the mpg but does not smooth it like it does with the 7i85s

I have attached my custom_ilowpass_mpg.hal this is for 7i76 . I am trying just to get the X axis working first

Is it indeed possible using the software encoders?

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8 years 4 months ago #112189 by PCW
Ilowpass needs a large scale factor to work
(and the jog increments needs to be divided by this scale number)

linuxcnc.org/docs/html/examples/mpg.html

(look at the ilowpass scale and gain numbers in the example)

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8 years 4 months ago #112195 by Clive S

PCW wrote: Ilowpass needs a large scale factor to work
(and the jog increments needs to be divided by this scale number)

linuxcnc.org/docs/html/examples/mpg.html

(look at the ilowpass scale and gain numbers in the example)


Yes of course I had forgot. I adjusted scale and gain and its all fine. Thanks for the help yet again:)

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