Error in PnCConf with 7I76E

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5 years 5 months ago #209247 by PCW
Replied by PCW on topic Error in PnCConf with 7I76E
I notice you only changed the Z axis, is this the axis you are testing?

What kind of drives do you have?

How are they wired to the 7I76E?

I don think this is version related. If you can do a continuous jog
and there are no errors from LinuxCNC, and the DRO changes
(the DRO is the digital position readout in the preview screen),
the 7I76E stepgen is working.

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5 years 5 months ago #209253 by teebee
Replied by teebee on topic Error in PnCConf with 7I76E
Sorry for the confusion. In the attachment you will find the correct .ini file. I am testing the X axis motor.
See the picture for the wiring.
Here you can find the driver I am using: Driver

I find it very strange that the motor is not running correctly. It can't be the motor or the driver because I have already made the motor run without using LinuxCNC and the MESA card.

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5 years 5 months ago #209255 by PCW
Replied by PCW on topic Error in PnCConf with 7I76E
I would try single ended wiring as sometimes drives need more
current than the 7I76E can deliver in differential mode so:

PU+,DR+ to 5V
PU- to Step-
DR- to Dir-

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5 years 5 months ago #209258 by teebee
Replied by teebee on topic Error in PnCConf with 7I76E
Do you mean like this? So that the dir+ and step+ of the MESA card are not connected?

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5 years 5 months ago #209259 by PCW
Replied by PCW on topic Error in PnCConf with 7I76E
Yes

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5 years 5 months ago #209271 by teebee
Replied by teebee on topic Error in PnCConf with 7I76E
It works! Thanks for helping me through this. I really appreciate it!

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