external offset problem

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8 years 6 months ago #109860 by Grotius
Hi,

How to connect the following 3 items in the hal section ?

moveoff.0.pos-0
moveoff.0.fb-0
moveoff.0.fb-minusoffset-0

My orginal working z axis setup looks like this :
Code:
# Z-AXIS ####################################################### setp stepgen.3.position-scale [JOINT_3]SCALE setp stepgen.3.steplen 1 setp stepgen.3.stepspace 0 setp stepgen.3.dirhold 35000 setp stepgen.3.dirsetup 35000 setp stepgen.3.maxaccel [JOINT_3]STEPGEN_MAXACCEL net zpos-cmd joint.3.motor-pos-cmd => stepgen.3.position-cmd net zpos-fb stepgen.3.position-fb => joint.3.motor-pos-fb net zstep <= stepgen.3.step net zdir <= stepgen.3.dir net zenable joint.3.amp-enable-out => stepgen.3.enable net zpos-cmd joint.3.motor-pos-cmd => stepgen.3.position-cmd net zpos-fb stepgen.3.position-fb => joint.3.motor-pos-fb

Okey now i added the item' s maybe incorrect, but program is running.
Code:
# Z-AXIS ####################################################### setp stepgen.3.position-scale [JOINT_3]SCALE setp stepgen.3.steplen 1 setp stepgen.3.stepspace 0 setp stepgen.3.dirhold 35000 setp stepgen.3.dirsetup 35000 setp stepgen.3.maxaccel [JOINT_3]STEPGEN_MAXACCEL #net zpos-cmd joint.3.motor-pos-cmd => stepgen.3.position-cmd #net zpos-fb stepgen.3.position-fb => joint.3.motor-pos-fb net zstep <= stepgen.3.step net zdir <= stepgen.3.dir net zenable joint.3.amp-enable-out => stepgen.3.enable net zpos-cmd joint.3.motor-pos-cmd => stepgen.3.position-cmd net zpos-fb stepgen.3.position-fb => joint.3.motor-pos-fb net zpos-cmd joint.3.motor-pos-cmd net zpos-cmd moveoff.0.pos-0 net zpos-fb joint.3.motor-pos-fb net zpos-fb moveoff.0.fb-0

But next problem is : moveoff.0.offset-applied is not true.
Hmm....

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8 years 6 months ago #109861 by Grotius
Replied by Grotius on topic external offset problem

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8 years 5 months ago #110065 by andypugh
Replied by andypugh on topic external offset problem
I am not 100% sure that moveoff and external-offsets are compatible. I think that moveoff predates external-offsets and uses a different technique. Dewey would know for sure, he wrote both.

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