T3D-L20A-RABF configuration help
- Ismacr63
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04 Feb 2026 15:12 #342388
by Ismacr63
T3D-L20A-RABF configuration help was created by Ismacr63
I've been trying for several days to configure the T3D-L20A-RABF servo motor as a spindle in speed mode, but I can't get it to work.
I've set the parameters p004=1, p047 to auto-zero, p050=1 for 0-10V unipolar, and p103=9 to reverse the spindle. I've set p025=0 (default) to use the analog input AS+.
I'm using pin 17 to control the relay and connecting S0 or 0V/GND to the relay.
I'm using pin 16 to reverse the spindle direction.
And pin 1 is for PWM. I've connected AGND and AS+ to the bobbin's 0-10V pin.
The board is powered by 24V, and the servo driver is also powered by 24V.
When I input the command M3 S100, for example, the spindle energizes and has torque, but it doesn't rotate or respond to RPMs.
With my limited knowledge, I don't know what else to try. T_T
I've set the parameters p004=1, p047 to auto-zero, p050=1 for 0-10V unipolar, and p103=9 to reverse the spindle. I've set p025=0 (default) to use the analog input AS+.
I'm using pin 17 to control the relay and connecting S0 or 0V/GND to the relay.
I'm using pin 16 to reverse the spindle direction.
And pin 1 is for PWM. I've connected AGND and AS+ to the bobbin's 0-10V pin.
The board is powered by 24V, and the servo driver is also powered by 24V.
When I input the command M3 S100, for example, the spindle energizes and has torque, but it doesn't rotate or respond to RPMs.
With my limited knowledge, I don't know what else to try. T_T
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- Dudelbert
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04 Feb 2026 15:35 #342390
by Dudelbert
Replied by Dudelbert on topic T3D-L20A-RABF configuration help
I don’t know that specific driver, but what I would try is separating the drive from LinuxCNC first.
There is probably a manual mode to turn the drive by using the front panel on the drive itself.
After that, you can set the needed inputs directly (wired to your DC sources) and use a low voltage (AA battery or similar) to give the analog input directly.
Then, if that works but still not in CNC control, you at least know that LinuxCNC is actually the problem.
There is probably a manual mode to turn the drive by using the front panel on the drive itself.
After that, you can set the needed inputs directly (wired to your DC sources) and use a low voltage (AA battery or similar) to give the analog input directly.
Then, if that works but still not in CNC control, you at least know that LinuxCNC is actually the problem.
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04 Feb 2026 15:44 #342393
by Ismacr63
Replied by Ismacr63 on topic T3D-L20A-RABF configuration help
Thank you for your response.
I forgot to mention that before installing it on LinuxCNC, I tested it with a potentiometer powered by an external 10V source and a 3-position switch for enable and rev, and it worked fine. The problem arises when I try to connect it to the Bob and LinuxCNC. I'm using the Probe Basic interface, but I've also tried it with Axis and the same thing happens.
I forgot to mention that before installing it on LinuxCNC, I tested it with a potentiometer powered by an external 10V source and a 3-position switch for enable and rev, and it worked fine. The problem arises when I try to connect it to the Bob and LinuxCNC. I'm using the Probe Basic interface, but I've also tried it with Axis and the same thing happens.
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- Dudelbert
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04 Feb 2026 16:26 #342399
by Dudelbert
Replied by Dudelbert on topic T3D-L20A-RABF configuration help
Ok,
in that case I would try setting the outputs in HAL Show and verify it with a multimeter.
If that does not work, you probably know what signal does not work, it is unlikely that everything does not work, and you said that the drive enables.
If it works but over the normal GUI it does not, I am out of ideas as well.
in that case I would try setting the outputs in HAL Show and verify it with a multimeter.
If that does not work, you probably know what signal does not work, it is unlikely that everything does not work, and you said that the drive enables.
If it works but over the normal GUI it does not, I am out of ideas as well.
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