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Type: Posts; User: cwtoyota

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    Speaking from an AC only perspective (I've run...

    Speaking from an AC only perspective (I've run Fanuc DC way back when, but never worked on them)... The OH line is just a couple of wires in the servo cable. Check your wiring and check the OH...
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    That's most likely a revision number. Without...

    That's most likely a revision number. Without documentation, there is no way to tell what has changed between those revisions.

    On my AC servo VCU top boards, I have 3 of the 10E boards X, Y & Z...
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    At the very least, you can check each transistor...

    At the very least, you can check each transistor module has similar resististance between B E C terminals.
    It's not likely they are all bad at the same time. but if you suspect they are, you can...
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    Assuming the servo motor megs out and so do the...

    Assuming the servo motor megs out and so do the cables...

    You can use a multi-meter to test the transistor modules in the drive. That would be a good place to start.
    If they're good, run through...
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    As an alternative to the airpax I mentioned...

    As an alternative to the airpax I mentioned above, I use these to replace everything in my old machines. They were standard in a lot of CNC applications.
    Buy a chunk of DIN rail to mount them on...
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    Wise words of caution on the fuse/breaker blow...

    Wise words of caution on the fuse/breaker blow rates. There are fast and slow blow fuses/breakers and all other kinds.

    I would suggest using airpax type breakers (push reset) if you go that...
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