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Type: Posts; User: Jerryv

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  1. Replies
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    Re: Need help with an Allen Bradley 8400MP

    There should be no need for a VFD for the main power. You may have to change more than one transformer depending on what it has in it. What manuals and drawings do you have? A wiring diagram is...
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    9,055

    Re: Need help with an Allen Bradley 8400MP

    The 8400 was a fairly advanced control for its time. Unfortunately that was quite a while ago. I think it is trying to tell you that the -15V is out of spec. Underthetire is indicating that the...
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    Re: Bridgeport TC3 Tool Changer Repair

    I found this thread while searching for info on a similar problem. A friend of mine has a machine with the same panasonic gear motor with broken gears. I tried looking for info on the panasonic,...
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    Finally got some time to investigate this further...

    Finally got some time to investigate this further and thought I would update this thread in case anyone else encounters something similar in the future.

    My friend has a 760 with a similar control,...
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    Nothing obvious except that G121.4 isn't on so...

    Nothing obvious except that G121.4 isn't on so you are in Estop.

    D is data table
    R is internal relay
    F is input signal from CNC to PMC
    G is output signal from PMC to CNC

    Are you sure the...
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    Bridgeport DX-32 odd problem

    Hoping someone here has some insight on this. It is a bit of a puzzle.

    Background: I have quite a bit of troubleshooting experience but none with the DX-32 control. I am trying to help out a...
  7. I don't think there is one that is predefined for...

    I don't think there is one that is predefined for that purpose. There are flags that indicate for each axis when it has finished the homing process. They turn off as soon as the axis leaves the...
  8. I think those are signals for passing information...

    I think those are signals for passing information between the PMC and Custom Macros. The function of these was determined by the person who did the programs for these sections of the machine. If...
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