Mesa 7i97

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4 years 10 months ago #228291 by mosoeng
Replied by mosoeng on topic Mesa 7i97
 Yes the wiring is as per your postabove.The whole thing was wired up by Yaskawa engineer and my Service engineer helped me a bit over the weekend, but he specialises in Bostomatics with OpenCnc, so no one can help me with linuxcnc, attached some pics and the wiring for the servo.

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4 years 10 months ago #228293 by PCW
Replied by PCW on topic Mesa 7i97
I would the check Enable switching with a multimeter  (across ENA+ and ENA- at the 7I97)

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4 years 10 months ago #228296 by mosoeng
Replied by mosoeng on topic Mesa 7i97
I put a meter on it and I cant see it switching

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4 years 10 months ago #228299 by PCW
Replied by PCW on topic Mesa 7i97
What voltage do you get between ENA+ and ENA-?

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4 years 10 months ago #228300 by mosoeng
Replied by mosoeng on topic Mesa 7i97
24v

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4 years 10 months ago #228301 by PCW
Replied by PCW on topic Mesa 7i97
Can you enable the drives by shorting ENA+ to ENA- ?

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4 years 10 months ago #228303 by mosoeng
Replied by mosoeng on topic Mesa 7i97
not able to enable by shorting ENA+ to ENA-

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4 years 10 months ago #228304 by PCW
Replied by PCW on topic Mesa 7i97
OK so that suggests a wiring or drive setup error

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4 years 10 months ago #228523 by mosoeng
Replied by mosoeng on topic Mesa 7i97
I have found that the 24v on ENA+ to ENA- drops when I press F2, so is mesa board going into stop mode for some reason or is that ment to be?

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4 years 10 months ago #228540 by PCW
Replied by PCW on topic Mesa 7i97
OK that's correct.
The 7I97's ENA+ and ENA- connect when analog out is enabled in LinuxCNC
So when F2 is pressed the drives should be enabled and hold position.

(though they may "run away" if the feedback direction is backwards)

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