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Thread: Emco PC120 Turn

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  1. #1
    Chaz's Avatar
    Lives in Ickenham, West London, United Kingdom. Last Activity: 3 Weeks Ago Has a total post count of 1,654. Received thanks 115 times, giving thanks to others 71 times.
    Quote Originally Posted by Clive S View Post
    Have you put power on the 12-24v power supply as well as the pc 5v.

    As I think that the inputs are powered from the 12-24v supply (don't quote me though)
    Ah, no. There is a Ground, VCC and two inputs. What voltage goes into the trigger (5V?) and 24V into VCC?

  2. #2
    Quote Originally Posted by Chaz View Post
    Ah, no. There is a Ground, VCC and two inputs. What voltage goes into the trigger (5V?) and 24V into VCC?
    Are you talking about the relay board ? Because if you look at the back of the BoB it is clearly printed on. The relay board takes GND, 5v on Vcc and the two inputs are 5v max.

  3. #3
    Chaz's Avatar
    Lives in Ickenham, West London, United Kingdom. Last Activity: 3 Weeks Ago Has a total post count of 1,654. Received thanks 115 times, giving thanks to others 71 times.
    Quote Originally Posted by cropwell View Post
    Are you talking about the relay board ? Because if you look at the back of the BoB it is clearly printed on. The relay board takes GND, 5v on Vcc and the two inputs are 5v max.
    So to be sure.

    Relay board has 4 connections.

    One is Ground, once is VCC and two are triggered inputs (5V)? The VCC is 24V? If that is the case, I did not connect 24V.

  4. #4
    5 V +on Vcc on the relay board or you will burn it out !

  5. #5
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom. Last Activity: 11 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 3,345. Received thanks 618 times, giving thanks to others 87 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Chaz wrong time of night for sense But I think you need to supply the bob with two power supplies one 5V and the other 12-24V before you will get any sense from it. Those bob's are £3,20 from ebay (China) inc PoP
    ..Clive
    The more you know, The better you know, How little you know

  6. #6
    Chaz's Avatar
    Lives in Ickenham, West London, United Kingdom. Last Activity: 3 Weeks Ago Has a total post count of 1,654. Received thanks 115 times, giving thanks to others 71 times.
    Click image for larger version. 

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    So, is this correct? If so, assuming the PC setup is right, my BoB is broken. P17 never changes state / voltage.

  7. #7
    If you have set up the BoB OK with 12-24v GND and 5v from the PC using the USB cable AND the jumper on the BoB is off, AND ports and pins are set properly in Mach3, - then if your BoB is working it should work.

    At the moment I am very pissed off that I have to rebuild my system from square 1 as after the hard drive failure, I have to reload all software. Fortunately I backed up all the work files but the Mach3 .xml has been lost and I thought I had a backup, but can't find it, so it looks like I have to go back to basics. I was up till 4:30 this morning trying to sort it, so I think today will be a 'FCUK It' day.

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