Encoder on 7i95t

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07 Apr 2025 05:11 #325853 by Z3rni3
Replied by Z3rni3 on topic Encoder on 7i95t
Thanks for the tipps on tuning.
I saw that in a Talla83s Video and found it very helpful!

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07 Apr 2025 06:17 #325855 by Z3rni3
Replied by Z3rni3 on topic Encoder on 7i95t
I've been following this excellent step-by-step guide, but I'm currently stuck with a problem: the DRO is off by a factor of 1000. When I move the machine by one leadscrew rotation—which should be 4 mm (since it's a 4 mm/rev leadscrew)—the DRO now shows 4000 mm instead.Previously, it correctly showed 4 mm, so something must have changed, but I can't figure out what. Could someone please take a look at my configuration files?
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07 Apr 2025 06:28 #325856 by tommylight
Replied by tommylight on topic Encoder on 7i95t
ENCODER_SCALE = 1
????
This should be 4 times the encoder PPR divided by the total distance moved for one rotation.

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07 Apr 2025 06:32 - 07 Apr 2025 07:35 #325857 by Z3rni3
Replied by Z3rni3 on topic Encoder on 7i95t
Sorry... that was a test i did.
Its set to 1000 usually. (Same problem ocours)
(1000 [PPR] x 4) / (4 [mm/rev]) = 1000 [Pulses/mm]
(Is this correct, when seeing in the halshow, that the encoder counts 4000 counts per rotation?)

But it seems, to not even use the encoder_scale, because i can just comment it out, without it throwing me an error at the start-up...
Last edit: 07 Apr 2025 07:35 by Z3rni3.

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07 Apr 2025 08:48 #325860 by Z3rni3
Replied by Z3rni3 on topic Encoder on 7i95t
Got it working. Will share a working config soon, for future reference!

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