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CNC4PC     This card provides an easy way of interfacing your inputs and outputs from you parallel port. It provides terminals for the connections and conditions the signals for use in CNC applications.


  • IEEE 1284 Standard compatible.
  • PULL-UP or PULL-DOWN selection for inputs.
  • Buffered inputs and outputs.
  • Bidirectional pins 2-9.
  • Output pins 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 16, 17. Or 1, 14, 16, 17.
  • Input pins 10, 11, 12, 13, 15. Or 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15.
  • Input and output pins with close by ground or +5vdc connections
  • Input pins 10, 11, 12, 13, 15.
  • Input and output pins with close by ground or +5vdc connections
  • External Enable Pin (EN).
  • Works directly with popular CNC hardware and software.
  • All TTL 5VDC signals.
  • Screw-On connections for all terminals.
  • Status LEDs for enable.


Please note that we have currently updated the design of the board.  We use the exact same circuits, just updated to newer and smaller componets, updated the manufacturing process to SMD and added and status LED, so now it has a green LED that will light when outputs are enabled. 


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   Frequently Asked Questions and Answers

  • Chris Wiszowaty - 6 months ago
    How can add spindle control Connect to VFD?

    You can use any of our Multifunction Breakoutboards.  The C11G is a basic popular model:


    We have other models that work with different motion controller.

    You can create a tick...
    Read more

  • Arturo Duncan - 3 months ago
    I cannot get the green LED to enable on the breakout board

    3 conditions must be met to get the enable LED:


    • The board must be properly powered.  Check the documentation on the board, as misundertand on how it is powered is very possible.
    • The board must be connected to a PC/Mot...
      Read more

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