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  1. #1
    I had another nasty accident just now involving a mouse which will result in a used 200W servo drive and motor making its way here from South Korea shortly.

    Obviously the drive doesn't have its original Molex connectors for the mains and motor cables. Although they are from Molex Japan, they seem to be a proprietary part number for these drives.

    Anyone know of compatible connectors that would fit? Thought it might be worth asking, as I can't find any on ebay or anywhere....

    Here's the relevant page from the manual showing what they look like. They are a 7.5mm pitch round pin thing. 2 flavours include a spring (tool-free) version and a crimp version.

    Officially I need a 3 pin and a 7 pin, although any number would do so I could cobble something up from them.
    Click image for larger version. 

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  2. #2
    Doddy's Avatar
    Lives in Preston, United Kingdom. Last Activity: 19 Hours Ago Has been a member for 6-7 years. Has a total post count of 840. Received thanks 132 times, giving thanks to others 37 times. Referred 1 members to the community.
    I guess we've hit the same brick wall - Molex identify the connectors as obsolete, without any alternative listed. have you tried contacting the seller to see if he has the looms available?

  3. #3
    No I had a look at the various sites and they were either ruinous or had nothing for those connections but I've got some 7.5mm pitch connectors that look vaguely possible. https://www.ebay.co.uk/itm/IMO-20-96...72.m2749.l2649

    I managed to find all the other connectors at Farnell (PC, encoder and IO). If the worst comes to the worst, I will solder wires to the pins. I only paid 80 for the drive and it's going to be inside the cabinet. Besides, I have no pride and have a life to live. We'll have to see how this works out.....

  4. #4
    Doddy's Avatar
    Lives in Preston, United Kingdom. Last Activity: 19 Hours Ago Has been a member for 6-7 years. Has a total post count of 840. Received thanks 132 times, giving thanks to others 37 times. Referred 1 members to the community.
    Perfectly sensible approach, tbh.

    The only half-way house I could suggest is to get the mating connector and try to replace on the PCB. But, yeah, sometimes life is too short.

  5. #5
    For future reference, I now have the drive itself, as well as various connectors. I can now confirm that these parts are what you need for most of the Yaskawa Sigma Servopack drives. Mine's a Servopack III, BTW. Yes, it is missing its cover, which is why it cost 80!

    Signals IO CN1:
    50 way 3M 101 Series plug https://uk.farnell.com/3m/10150-3000...way/dp/9292667
    50 way 103 Series backshell https://uk.farnell.com/3m/10350-52f0...rel/dp/9292950

    Encoder interface CN2:
    6 way Molex 55100 Series plug https://uk.farnell.com/molex/55100-0...der/dp/2063738

    PC interface CN3:
    14 way 101 Series plug https://uk.farnell.com/3m/10114-3000...way/dp/9292624
    14 way 3M 103 Series backshell https://uk.farnell.com/3m/10314-52f0...way/dp/1430672


    Mains and motor connector(s):
    IMO Precision 20.960M series or Camden Boss CT9400 series (7.5mm pitch PCB connectors). I got some 10 way connectors and cut them to give a 7 way and a 3 way. I didn't waste any connectors or compromise the insulation in the process, as there is a gap between ways. You could manage with one 10-way connector - luckily I got 5. Farnell no longer stock them but you can find them on ebay etc.

    Hope that comes in handy for someone at some point.

    Click image for larger version. 

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    Last edited by Muzzer; 02-06-2020 at 03:03 PM.

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