5i25/6i25 bitfile for DMB4350-8B bob

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12 Feb 2021 05:42 #198493 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
i tried this and then tried inverting enable and no movement

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12 Feb 2021 05:44 #198494 by PCW
Replied by PCW on topic 5i25/6i25 bitfile for DMB4350-8B bob
is the charge pump needed?

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12 Feb 2021 05:47 #198495 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
i just tried with it inverted and then the other way around and with them both and no movement

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12 Feb 2021 06:37 - 12 Feb 2021 06:49 #198499 by PCW
Replied by PCW on topic 5i25/6i25 bitfile for DMB4350-8B bob
With what inverted?
Is the charge pump needed?

Are you testing this with LinuxCNC?

(pncconf will only test the step/dir outputs, and not setup any additional I/O like enables)
Last edit: 12 Feb 2021 06:49 by PCW.

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12 Feb 2021 07:10 - 12 Feb 2021 07:12 #198501 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
I decided to test with the port on the motherboard. it works. but no inputs at all.
it didn't seem to matter if the charge pump or enable was on or inverted in any order. I believe the enable is on by default and possibly not even connected to the port from the bob.
Last edit: 12 Feb 2021 07:12 by 0jw.

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12 Feb 2021 07:38 #198504 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
The user manual says enable normally open drain or high.

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12 Feb 2021 11:16 - 12 Feb 2021 11:35 #198516 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
I have motion on the 6i25 to the DMM board! still need to configure everything. But it's noticeably mutch smoother than the parallel port.
I'm not sure what happened. I rebooted and tryed it again and nothing. Then rememberd I had it set to mm. so I set back to inch and now it works.
Last edit: 12 Feb 2021 11:35 by 0jw.

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12 Feb 2021 22:27 #198598 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
having a bit more trouble now as the servo steps per rev are set to 2000 in the servo drive firmware.
but 100 steps in pncconf gives ruffly 1 rev

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12 Feb 2021 22:38 #198599 by PCW
Replied by PCW on topic 5i25/6i25 bitfile for DMB4350-8B bob
LinuxCNC (and pncconf) set axis scaling in steps per machine unit
not per turn.

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12 Feb 2021 22:49 #198601 by 0jw
Replied by 0jw on topic 5i25/6i25 bitfile for DMB4350-8B bob
i don't see that option. i have the settings for screw pitch turned off

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