how can I change the pid to modulo?

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22 Nov 2010 19:27 - 22 Nov 2010 23:14 #5544 by nursum
Hello, how can I change the PID to a modulo funktion for the A axis of a milling centre? Several surroundings should be generated with the G91 function... so the goal is when I program for example G01 G90 A380 the machine go to A = 20 degrees and when I program G01 G91 A380 the machine turn the round tabe one complete surounding and 20 degrees
Last edit: 22 Nov 2010 23:14 by BigJohnT. Reason: symbols break the forum

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22 Nov 2010 22:02 #5547 by andypugh
nursum wrote:

Hello, how can I change the PID to a modulo funktion for the A axis of a milling centre? Several surroundings should be generated with the G91 function... so the goal is when I program for example G01 G90 A380 the machine go to A = 20degrees and when I program G01 G91 A380 the machine turn the round tabe one complete surounding and 20deg


Re-quoted without the degree symbols which break the forum.

There is an option for wrapped rotary axes which might do what you want.
wiki.linuxcnc.org/cgi-bin/emcinfo.pl?WrappedRotaryAxes

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