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  1. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    after a lot of procrastination as far as buying conduit and wire

    i finally did and was running and hanging it today

    ive had my replacement drives and motors back from dmm for a few months now
    ...
  2. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    this run will be just for the 3 drives and 3 750w servos

    the vfd is on a separate circuit
  3. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    i was gona run #10/4 about 30 feet then #12's split to the drives
  4. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    what size wires are you supplying the rectifier side of the drives with?
  5. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    hi sorry for the delay

    funds werent right so had to wait to ship them back
    DMM didnt have much to say other than they were over voltaged or over currented lol
    they are sending me two new drives...
  6. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    i also wanted to add:

    my electrician friend and i were discussing this and the possibility that a bad motor may be the cause of all this came up ---

    the same motor was on all 3 drives that blew...
  7. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    hi thanks for your replysir

    could you possibly post pictures of these components together? - maybe links to examples of this sort of setup

    i admit my own ignorance in not having protective...
  8. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    sorry havent replied - been away from internet for a few days
    im working on a detailed wire diagram and a scenario of the failures and conditions

    im also sending the drives and a couple of my...
  9. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    single phase 240
    no neutral running to power side of drives --- only neutral in 110volt logic circuit coming off the power bar

    each leg on power side = 120v to ground
    240 between legs
    ...
  10. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    i just wanted to reiterate that these drives all worked and jogged their motors before blowing up,
    after powering down and back up later in the day
  11. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    also ---

    the second drive i blew up --- i had 110volts off my power bar and was also feeding the power side 110volts from the power bar

    so im trying to figure out if this was really the cause...
  12. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    mactec thanks for showing up

    can you explain why the 2 sources is not a good idea?
    im just trying to wrap my head around what a boneheaded move i really made haha

    also i cant figure out why...
  13. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    ok i hadn't thought of this

    could you explain in technical terms why???
  14. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    according to DMM on the phone R/S/T are interchangeable
  15. Re: So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HE

    333974

    333976

    333978
  16. So Far I've managed to Blow up 3 DYN4 drives - Please Critique my wiring..... HELP!!

    as the title says- i've managed to experience 3 exploding drives and have 1 more left

    im planning on sending the drives (and most likely my motors and cable sets) back to DMM so they can try to...
  17. Replies
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    Re: DYN4 enclosure wiring help

    hey did u ever get your setup going?
  18. Replies
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    3,453

    Re: DYN4 enclosure wiring help

    the manual calls for 1 amp fuses before the logic power for the drives

    usmarine do you have these installed?

    also could you link to the breaker you have there?
  19. Replies
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    Re: DYN4 enclosure wiring help

    im kind of in the same boat

    i want to set everything up correctly and was about to start another thread about it
    but your thread is asking the same questions i would

    could someone please post...
  20. Replies
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    8,087

    Re: 13x40 Jet Lathe CNC conversion with vfd

    bumping..... awesome conversion
  21. so youre saying ill get a little more bazing out...

    so youre saying ill get a little more bazing out of the motors
    as long as i stay within those confines but above 62V

    i really appreciate your help sir
  22. that was my original intention - to reuse the...

    that was my original intention - to reuse the power supply section
    and maybe some of the relay stuff -

    but to ditch the old drives

    dont have any schematics or diagrams
    but i will take and...
  23. i see what you mean can you recommend supply...

    i see what you mean

    can you recommend supply ratings for me that will do the trick?

    thanks again for your help sir
  24. man that was a fast reply are you saying thats...

    man that was a fast reply

    are you saying thats good to go or no?
    sorry the heat is getting to me and want to be absolutely sure :)
  25. hello sir i am thankful of and honored by your...

    hello sir
    i am thankful of and honored by your post

    my electrician friend was here yesterday and we intended on measuring the output but ultimately did not

    i am planning on going with the...
  26. Questions about an old control/ its psu/ a new psu/ old servos

    got an old saeilo robotool mill with dead control

    on the main board that receives power from the transformer
    it reads "160 volts"

    the motors are labeled "62volts / 3.75 amps"

    220v is fed...
  27. Where to get heavier shielded cable for my large steppers?

    Hello

    i have some nema 42 slo-syns 8amps 4.25 volts

    need to get some heavier shielded cable - 4 or 5 wire maybe

    box store around me only have skinny stuff

    where can i goto find what i...
  28. Replies
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    any updates? been working nightmarish hours...

    any updates?

    been working nightmarish hours havent checked back

    yet no new pics!!!!:drowning:
  29. This was awesome!!! i had just finished my...

    This was awesome!!!

    i had just finished my first guinness and thought i was already losing my mind!11@11!

    well played sir!

    please keep up the awesome work
    :banana:
  30. Replies
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    7,459

    you could always find an old weight set and start...

    you could always find an old weight set and start looking at it funny like i did...

    :wave:
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