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  1. #31
    Thanks mate, that helps a lot.

    I'm thinking then, that the PDMX and motion controllers will be always powered, unless turned off at the on/off switch.

    I use the K2 relay on the PDMX, set to active if "outputs enabled", to open/close the DC power going through the latching relay setup.

    Meaning, I have to turn on the PDMX first, and have the motion controller and PC up and running, then I can momentary reset to power the motor drivers?

    I'll add an attachment, but my last 2 attachments have failed to post up for some reason.

    Would something like this be ok for the relay

    Click image for larger version. 

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    Last edited by dachopper; 24-04-2017 at 02:44 PM.

  2. #32
    Click image for larger version. 

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    Got the new power supply, a few more wires and I can fire up the beast.

  3. #33
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 4 Hours Ago Has been a member for 9-10 years. Has a total post count of 1,750. Received thanks 185 times, giving thanks to others 5 times.
    I would not power that up, as by the looks of things, the drivers will release lots of smoke!

    Do you have a link to the power supply?
    By the looks of it, you've wired the drives up to what should be the AC input to the toroid. The two pair of wires will get connected in either parallel or series, depending on if you want 110VAC or 240VAC.
    The main DC output I'd say is from the 4 terminal block at the bottom right, with the other two outputs to the left being for lower voltage/current outputs. 5 and 12VDC?
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  4. #34
    :) yes after a few beers, wiring not such a good idea.

  5. #35
    Click image for larger version. 

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    Take 2.

    Still awaiting the AC power relay, and the 882 USB to Rj cord. Does anyone know if this is an easy DIY to make up the USB to rJ connection ?

    Was thinking of getting the 2 cords, splicing in the middle and connecting.

    Click image for larger version. 

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  6. #36
    You need both a USB to serial converter, which is more than just a cable, and requires a driver, and the serial to RJ-11 cable. Here's the pinout for the RJ-11 cable.
    Click image for larger version. 

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    I just ordered one from the US Leadshine distributor.
    UCCNC 2017 Screenset

    Mach3 2010 Screenset

    JointCAM - CAM for Woodworking Joints

  7. #37
    More progress,

    Control box almost complete now with off latching e-stop and reset switch

    Black is AC power in
    White is relay controlled AC power out for Spindle / H20 pump / Chip extractor
    Small black is always on DC power for the UC400 controller + feed to the PDMX BoB
    Click image for larger version. 

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    68V AC->DC converter on the left, with 12VDC supply off that holding a 40A/250AC Solid State relay at the back closed.

    5x882's in the middle, ( still awaiting the tuning cable to arrive )

    PMDX 126 on the right.

    Still to come - install + connect the UC400ETH, secondary E-stop circuit to the E-stop button from PDMX, limit switch wires & stepper motor connectors on case, cooling fan

    Click image for larger version. 

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    Last edited by dachopper; 17-05-2017 at 03:07 PM.

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