Help with Mesa 7i76E, Cannot get it working.
- itstheburns327
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30 Sep 2019 02:29 - 30 Sep 2019 02:30 #146668
by itstheburns327
Replied by itstheburns327 on topic Help with Mesa 7i76E, Cannot get it working.
Now that's interesting. I put my multimeter on the ground and 5 volt pins for each axis. I measured 5.0 volts. I measured +dir0 and -dir0 and it has constant 5v. Just for poops and laughter, I measured each step and direction output on tb2 and tb3. They all measure 5 volts. Should there be a constant voltage when there's no signal from linuxcnc? I did this measurement with and without the ethernet connection.
Last edit: 30 Sep 2019 02:30 by itstheburns327.
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- itstheburns327
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30 Sep 2019 02:31 #146669
by itstheburns327
Replied by itstheburns327 on topic Help with Mesa 7i76E, Cannot get it working.
No, I am not receiving any errors with linuxcnc. I even did a reinstallation just to erase any of the stupid mistakes I may have made so I am on a fresh install.
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- PCW
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30 Sep 2019 02:48 - 30 Sep 2019 02:48 #146670
by PCW
Replied by PCW on topic Help with Mesa 7i76E, Cannot get it working.
Yes a constant voltage is expected if nothing is happening but the DIR outputs
(DIR0 for X normally) should change from 0 to 5V or 5V to 0 if measured to ground or from +5 to -5
if measured across DIR+ and DiR- when you jog in different directions
(DIR0 for X normally) should change from 0 to 5V or 5V to 0 if measured to ground or from +5 to -5
if measured across DIR+ and DiR- when you jog in different directions
Last edit: 30 Sep 2019 02:48 by PCW.
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- tommylight
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30 Sep 2019 08:35 #146692
by tommylight
Replied by tommylight on topic Help with Mesa 7i76E, Cannot get it working.
Can you please do a recap of what you are using, what drives and what microstepping.
Doea the motor lock when the power is applied to the drive, it should not move by hand.
There are stepegens number 00, 02, and 03 in use in that config, so try another output, just pull the plug and plug it at another location, test.
You should also edit the ini file to add more velocity.
Check if the step and dir wires are not switched over.
A picture of wiring would also help.
Doea the motor lock when the power is applied to the drive, it should not move by hand.
There are stepegens number 00, 02, and 03 in use in that config, so try another output, just pull the plug and plug it at another location, test.
You should also edit the ini file to add more velocity.
Check if the step and dir wires are not switched over.
A picture of wiring would also help.
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- Clive S
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30 Sep 2019 09:10 - 30 Sep 2019 09:11 #146697
by Clive S
Replied by Clive S on topic Help with Mesa 7i76E, Cannot get it working.
In the ini file you have:-
DIRSETUP = 200 change these to 5000
DIRHOLD = 200 change these to 5000
STEPLEN = 1000 change these to 5000
STEPSPACE = 2000 change these to 5000
These are in nano secs.
Also are the drives enabled?
DIRSETUP = 200 change these to 5000
DIRHOLD = 200 change these to 5000
STEPLEN = 1000 change these to 5000
STEPSPACE = 2000 change these to 5000
These are in nano secs.
Also are the drives enabled?
Last edit: 30 Sep 2019 09:11 by Clive S.
The following user(s) said Thank You: tommylight
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