Mesa 7i92+7i76+7i85S
06 Oct 2022 15:29 #253615
by PCW
Replied by PCW on topic Mesa 7i92+7i76+7i85S
Have you checked for backlash?
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06 Oct 2022 17:12 #253626
by Artur_1617
Replied by Artur_1617 on topic Mesa 7i92+7i76+7i85S
Backlash is about 0.01
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07 Oct 2022 12:47 #253684
by PCW
Replied by PCW on topic Mesa 7i92+7i76+7i85S
Can you post a halscope plot of the error?
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23 Oct 2022 08:33 #254833
by Artur_1617
Replied by Artur_1617 on topic Mesa 7i92+7i76+7i85S
For now I start to working without scales.
But need spindle encoder for tapping.
The encoder is connected to 7i85 to third encoder input.
But dont see any signal from them in halmeter ( encoder04).
The encoder is 12V power supply and GND is connected with GND power supply from mesa card.
Encoder give 0-3V
But need spindle encoder for tapping.
The encoder is connected to 7i85 to third encoder input.
But dont see any signal from them in halmeter ( encoder04).
The encoder is 12V power supply and GND is connected with GND power supply from mesa card.
Encoder give 0-3V
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23 Oct 2022 14:23 #254855
by PCW
Replied by PCW on topic Mesa 7i92+7i76+7i85S
Encoder 04 would be on the 7I76
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23 Oct 2022 14:40 #254856
by Artur_1617
Replied by Artur_1617 on topic Mesa 7i92+7i76+7i85S
In halmeter
I look on encoder 0, 1, 2 ,3 ,4 and dont see any change moving encoder...
Which encoder should look?
I look on encoder 0, 1, 2 ,3 ,4 and dont see any change moving encoder...
Which encoder should look?
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23 Oct 2022 14:58 #254858
by PCW
Replied by PCW on topic Mesa 7i92+7i76+7i85S
With your current firmware, Encoders 0..3 are on the 7I85S,
and encoder 4 is on the 7I76.
If you have a single ended encoder, you need to jumper its
inputs for single-ended = TTL mode
and encoder 4 is on the 7I76.
If you have a single ended encoder, you need to jumper its
inputs for single-ended = TTL mode
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23 Oct 2022 16:36 #254864
by Artur_1617
Replied by Artur_1617 on topic Mesa 7i92+7i76+7i85S
Firmare forum.linuxcnc.org/media/kunena/attachme.../7i92_7i76_7i85D.zip
Jumper is ok.
Now the first encoder on 7i85s is encoder02 the second is encoder03 and working.
Jumper is ok.
Now the first encoder on 7i85s is encoder02 the second is encoder03 and working.
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23 Oct 2022 21:37 #254869
by PCW
Replied by PCW on topic Mesa 7i92+7i76+7i85S
If you have a 7I85S, that is incorrect firmware (its for a 7I85)
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24 Oct 2022 06:35 - 24 Oct 2022 06:37 #254883
by Artur_1617
Replied by Artur_1617 on topic Mesa 7i92+7i76+7i85S
Please give me correct bit file for linuxcnc 2.81. The bit file you used has stepgen features that are not supported in LinuxCNC 2.8
Here is a 2.8 compatible 7I76+7I85 bitfile:
Last edit: 24 Oct 2022 06:37 by Artur_1617.
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