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  1. got 2 outputs from controller, need to connect 3 leds to them, any solution?

    Hi Guys, on my CSMIO I got 2 outputs to spare out of 6 , I would like to use these remaining to connect a tower led light which has 3 bulbs, and utilize all 3 of course. is there a way to place...
  2. Re: EMI Filters, any purpose in a diy control circuit?

    Basically a ring of ferrite. You wind a few turns of your cable onto it and it acts as a high frequency choke. For smaller cables you can also use a ferrite bead which you slip over the cable or a...
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    69,811

    Re: Control Schematic Advice

    Fastlec are sometimes okay, compare prices.

    Industrial Automation & Control Systems - Fastlec.co.uk
  4. Replies
    49
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    69,811

    Re: Control Schematic Advice

    Yup Dean, you know how I like pretty pictures. It's more complicated to draw but really helps me get my head around how things work. Without your help Jim's schematic would have baffled me,...
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    69,811

    Re: Control Schematic Advice

    Jim, that's a very nice schematic you've drawn.

    I've just been studying it as you're using very similar components to my panel.

    As you're using the second parallel port anyway (M-Hold on K...
  6. Thread: Pmdx-126

    by njhussey
    Replies
    3
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    5,887

    Re: Pmdx-126

    http://www.mycncuk.com/forums/general-electronics/6829-limit-home-switch-choice-2.html#post51919 is this any good, it's from Graham (Wobblycogs) thread...
  7. Replies
    49
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    69,811

    Re: Control Schematic Advice

    As Clive says each driver should be wired back to the PSU.
    For my earth star point I'm using the terminals DIN rail. If you use these for your screens, EK2.5 - Detailed item view - Chalon...
  8. Replies
    18
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    36,428

    Re: Soft Start Advice

    I would connect the 24v and 5v supplies after the safety relay but before the soft start.
    Resistor value is not that critical, you might have to try a few values to get the best for your setup....
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    2
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    11,785

    Re: Control Panel Guidance

    Technical leaflet - Documents & Downloads

    The top link might be most useful - Technical guide - Control panel - Panel design

    Control Panel Layout And Wiring Best Practices. | Harold On Controls...
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    7
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    8,836

    Re: Help with Supply Indicator Lights

    Buy Din rail connectors (like these ! Din Rail Terminals 2.5mm CTS2.5UN, RS Electrical Supplies West Midlands) then connect several together with terminal strips to form distribution blocks. You can...
  11. Replies
    7
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    8,836

    Re: Help with Supply Indicator Lights

    Jim I wouldn't bother with the 70Vdc has the 240Vdc transformer will power the 70Vdc and if you have bleed resistors on caps then they will be drained anyway, also the Drive LeD's will show any power...
  12. Thread: Power Supplies

    by m_c
    Replies
    5
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    13,963

    Re: Power Supplies

    I'd use different power supplies.

    You really need the 5 and 24volts active all of the time. You could include them in the E-stop controlled circuit, but if they're only used for control purposes,...
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    1
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    15,115

    Re: Resistor Question

    Note: When VCC=5V, R=0
    When VCC=12V, R=1K, >1/8W
    When VCC=24V, R=2K,>1/8W
    R must connect in the control signal part .
    When using a BOB from a pp they are 5V output to the...
  14. Thread: Bearing Blocks

    by JAZZCNC
    Replies
    1
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    8,131

    Re: Bearing Blocks

    Bk15 blocks tend to be fitted to 20mm screws and BK12 to 16mm but there's really no reason why you couldn't use them.! . . . It's just not standard procedure so you'll need to specify BK12 machining...
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    5
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    20,397

    Re: Welding Consumables

    6013 will work fine in mild steel, and avoid the hassles of using 7018.
    3.2mm rods will work with 4mm provided you've got a good butt, without too big a gap. You may find that 2.5mm rods will be a...
  16. Replies
    1
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    7,039

    Re: Thread Engagement

    It depends on the material you're tapping:

    Screw thread Calculations

    That formula gives 4mm for M5 in steel. Bear in mind though that this calculation is based on making the thread stronger...
  17. Thread: LM Rail

    by routercnc
    Replies
    16
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    23,913

    Re: LM Rail

    Hi GTJim

    http://stores.ebay.co.uk/FA-SYSTEM_L...34Q2ec0Q2em322

    As posted in another thread a while back I've bought a couple of used profile rail and bearing sets from the above link. Been...
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    52
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    162,778

    BUILD LOG: Re: Steel Framed Router

    Personally I wouldn't go with 16mm at these length's unless like Jonathan you used a rotating nut setup.
    They are just too close to the edge for my liking and would need to be setup and aligned...
  19. Replies
    52
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    162,778

    BUILD LOG: Re: Steel Framed Router

    The pulleys I use on steepers are HTD 20T 15mm they measure 25mm wide with 5mm boss. You can either use 4mm set screws thru the boss which leaves the shaft 3-4mm short of being flush.
    Or do like I...
  20. Replies
    5
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    16,715

    Re: Drawing of water cooled spindle

    Like this?? :smile:

    4391
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