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  1. #11
    G E

    I had guessed the S stood for "Simple",

    Guess again - it stands for SINGLE

    I know what Bob you have, didn't I send you the manual in the first place ? I have two of those BoBs sitting in a drawer and two of the simple types, I made, with them. I plan to use 1 of each of them as replacements, but from then on any new controller will be ethernet.



    I replied to your email on Sunday, I have forwarded a copy in case you didn't get it.


    Jazz, I am actually trying to keep things as simple as possible and get OP shifting his gantry ASAP. I am just wondering if his original problem may have been the phase wiring on the stepper coils.

    Jazz don't think I am having a pop at Yorkshiremen, I am not, every one of them I have met, were honest, down to earth, friendly and good humoured. In fact they both were. You can always tell a Yorkshireman, buuuuuut I am sure you know the rest.

    Cheers

    Rob

  2. #12
    Quote Originally Posted by JAZZCNC View Post
    Your not paying attention enough "G" Read what's been wrote again and you'll see the answer to that question.!!
    Sorry, I wrote my reply before seeing what JAZZ wrote :) Plus, it's not that I'm not paying attention, I just want to make sure to understand properly. You're going to end up thinking I'm a bit mentally slow loooooooool.
    So the answer is that there are two options:
    1. homes on separate inputs
      +: possible to home all axes at the same time (while modifying the home script).
      -: you loose one input
    2. homes on one input
      +: you save two inputs

    No matter what, it's not necessary to use a relay for the homes.

    See ? I'm a goooooooood student :) !
    Last edited by eurikain; 18-12-2015 at 04:34 PM.

  3. #13
    Quote Originally Posted by cropwell View Post
    G E
    I had guessed the S stood for "Simple",
    Guess again - it stands for SINGLE
    Whoops ! Got me :)

    Quote Originally Posted by cropwell View Post
    I know what Bob you have, didn't I send you the manual in the first place ? I have two of those BoBs sitting in a drawer and two of the simple types, I made, with them.
    Yes you did send me the manual :) See, the thing is that it's only today I realised that you were cropwell. I am getting more used to Rob :) Actually, where does that cropwell come from :D ? As in "crop well" ?

  4. #14
    Quote Originally Posted by cropwell View Post
    Jazz don't think I am having a pop at Yorkshiremen, I am not, every one of them I have met, were honest, down to earth, friendly and good humoured. In fact they both were. You can always tell a Yorkshireman, buuuuuut I am sure you know the rest.
    Total Bull shit.!!! . . . . . Well know you've met 3 honest Yorkshire men.!! . . . . But I'm not really botherd Rob so carry on mate it's "watta of ducks arse" to me.. .

  5. #15
    Alright, so I've updated the wiring diagram with the following changes:
    - simplified connections to the 6PST relay
    - 6PST relay to be replaced with a contractor driven by a relay. Just didn't want to break all the connections and rewire everything
    - 24V and 5V PSUs
    - 12V fans wired in series to the 24V PSU
    - limit switches moved input pin
    - home switches wired in series, with override switch and 5V idiot-proof buzzzzzzzzzer
    - two input pins left, most likely one of which for a touch probe to come in the next few months
    Click image for larger version. 

Name:	wiring-diagram.jpg 
Views:	83 
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ID:	16846

    I've also updated my original post with the answers to my questions and the new diagrams, so that anyone coming in the thread can follow along without reading through all messages.

  6. #16
    Hmm with all that built. In safety im surprised your using a single pole main switch on the ac input

  7. #17
    Quote Originally Posted by Cnc many View Post
    Hmm with all that built. In safety im surprised your using a single pole main switch on the ac input
    I don't see anything wrong with that in fact it will probably be plugged into a standard socket and a lot of these have two pole switches in now
    ..Clive

  8. #18
    Quote Originally Posted by Cnc many View Post
    Hmm with all that built. In safety im surprised your using a single pole main switch on the ac input
    Emm I don't see why people think this is high level of safety.? It's basic IMO and minimum a good machine should have.
    Just because these machine are DIY built doesn't make them any less dangerous, they'll happily snap your arm or Rip a finger off just Like 150,000 Hass VMC will.
    Like wise They'll Also quite happily turn your Hair into Afro or Burn your house down if you Mess with electrickery without knowing what your doing.!!

    But I Don't think the schematic is going down to that level of detail and it's more to show a Switch and not the type. Rotary Door panel isolater switches break all lines so he'll probably use one of those.?

    If not then at least it's got some switch and it won't be a problem.

  9. #19
    Well, a switch is a switch :) Yes in the end it will be plugged in a wall socket, but I'll have a main switch for the control cabinet.
    Last edited by eurikain; 20-12-2015 at 12:39 AM.

  10. #20
    In your latest drawing I would not connect the mains supply of the VFD to the estop relay. It is better to have the estop connect to the run/stop lines of one of the VFD logic inputs so it is still powered when the spindle spools down. If you want you can add a delay timer which switches the mains supply to the VFD off after a few seconds (Jazz does this) but most people don't and it works fine.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

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