Need help to wire and config Mesa 7i92TM
29 Jun 2023 16:22 #274462
by PCW
Replied by PCW on topic Need help to wire and config Mesa 7i92TM
Yes, though you may need to invert the limit switches depending on the breakout board and wiring,
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- CollieBabaX
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29 Jun 2023 16:32 - 29 Jun 2023 18:25 #274463
by CollieBabaX
Replied by CollieBabaX on topic Need help to wire and config Mesa 7i92TM
Ok, that's not a problem, I'll try it.
And if I wanted to add the Y tandem axys should I add it in PncConf to Num 3 just below the Z axys stepgen (Num 2)?
And for the E-stop can I use the first input (Num 000) and wire it in the pin 1?
And if I wanted to add the Y tandem axys should I add it in PncConf to Num 3 just below the Z axys stepgen (Num 2)?
And for the E-stop can I use the first input (Num 000) and wire it in the pin 1?
Last edit: 29 Jun 2023 18:25 by CollieBabaX.
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04 Jul 2023 17:03 - 04 Jul 2023 17:04 #274756
by CollieBabaX
Replied by CollieBabaX on topic Need help to wire and config Mesa 7i92TM
I added limits switches to the machine and wired everything to the board.
Then I tried to move the axes with LinuxCNC and it works.
Thanks so much guys, without you I don't know if I would have made it!
But I have a problem: I tried to move the axes with 5mm impulses to check if they moved correctly, and they didn't. The pitch of the leadscrew is 5mm, the motor has 200 steps, but to make a complete turn of the axis (therefore move 5mm) you need 16 commands of 5mm instead of 1, therefore ratio 1/16.
Seems to me the settings are correct, I have attached a screenshot of PncConf.
Where am I wrong?
Then I tried to move the axes with LinuxCNC and it works.
Thanks so much guys, without you I don't know if I would have made it!
But I have a problem: I tried to move the axes with 5mm impulses to check if they moved correctly, and they didn't. The pitch of the leadscrew is 5mm, the motor has 200 steps, but to make a complete turn of the axis (therefore move 5mm) you need 16 commands of 5mm instead of 1, therefore ratio 1/16.
Seems to me the settings are correct, I have attached a screenshot of PncConf.
Where am I wrong?
Last edit: 04 Jul 2023 17:04 by CollieBabaX.
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- tommylight
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04 Jul 2023 17:18 #274757
by tommylight
Replied by tommylight on topic Need help to wire and config Mesa 7i92TM
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04 Jul 2023 17:30 #274759
by JPL
Replied by JPL on topic Need help to wire and config Mesa 7i92TM
Do as Tommy wrote but also check S3 and S4 on your board. For 16 microsteps it is usually S3=0 S4=1. This is confusing because it is called 'excitation' in the manual but really is microstep.
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04 Jul 2023 17:56 #274764
by CollieBabaX
Replied by CollieBabaX on topic Need help to wire and config Mesa 7i92TM
I put 16 in Microstep Multiplication Factor and it works.
By S3 and S4 do you mean the 6 switches on the stepper drivers?
By S3 and S4 do you mean the 6 switches on the stepper drivers?
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04 Jul 2023 18:03 - 04 Jul 2023 18:10 #274765
by JPL
... Although since it is working now this does mean that the microstep setting is now matching the 7i92 config. (eg: if it is not broken don't fix it)
Replied by JPL on topic Need help to wire and config Mesa 7i92TM
Yes, but check the manual (of the driver) to make sure since there may be different versions of the TB6560 driver. You want to find something about 'excitation' (or microstep) and set the switches accordingly.... By S3 and S4 do you mean the 6 switches on the stepper drivers?
... Although since it is working now this does mean that the microstep setting is now matching the 7i92 config. (eg: if it is not broken don't fix it)
Last edit: 04 Jul 2023 18:10 by JPL.
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04 Jul 2023 18:26 - 04 Jul 2023 18:29 #274771
by CollieBabaX
Was thinking the same
However I bought some TB6600 because I intend to modify and improve the milling machine so the drivers will soon be replaced and other step motors will arrive later.
Replied by CollieBabaX on topic Need help to wire and config Mesa 7i92TM
(eg: if it is not broken don't fix it)
Was thinking the same
However I bought some TB6600 because I intend to modify and improve the milling machine so the drivers will soon be replaced and other step motors will arrive later.
Last edit: 04 Jul 2023 18:29 by CollieBabaX.
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