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IndustryArena Forum > MetalWorking Machines > Benchtop Machines > 2nd Parallel Port for Z Axis - No Go
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  1. #1
    Join Date
    May 2011
    Posts
    92

    2nd Parallel Port for Z Axis - No Go

    Installed a Rosewell RC304 PCI card in PC, using only the 1 port. Using CW8060 driver and 5 axis USB 5v BOB.
    This is only for the 1200ozin Z axis.
    PC parallel port(printer port) LPT 1 is connected to a Gecko 540. For X,Y,A.

    Ive tried both LPT ports 2 (2070) and 3 (2060) in Mach 3. No stepper movement. It does have current.

    Then ckd pin #7, Z axis DIR, end of the cable coming from PC 5v. But when I hit up/down keyboard arrow keys, still get 5v.
    Tried Mach3 Z jog buttons, I have a touchscreen, still 5v.

    Shouldnt I get 0v using either keyboard or jog ?

    Mach3 setup- Z ckd, Pin 6, Pin 7, ckd, ckd, 1, 1.

  2. #2
    Join Date
    Feb 2007
    Posts
    4553

    Post Re: 2nd Parallel Port for Z Axis - No Go

    kNucklBustr,

    Did you define the I/O range correctly in Mach3?

    The device manager will provide the necessary address information.

    See attached images for details.

    Jeff...
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.

  3. #3
    Join Date
    May 2011
    Posts
    92

    Re: 2nd Parallel Port for Z Axis - No Go

    Yep. The first number in LPT2 address is 2070, LPT3 2060.
    I have Enable Legacy ckd.

    Running XP, SP2.

    LPT 1 , printer, for the Gecko is 0378. Which is ok.

    Im wondering if the hotkeys arnt setup for this keyboard. There is no page up/page down on it.
    Still... Mach3 jog z+ and z- should work.

  4. #4
    Join Date
    Feb 2007
    Posts
    4553

    Re: 2nd Parallel Port for Z Axis - No Go

    Please confirm the port address is the same as the attached image:

    Jeff...
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.

  5. #5
    Join Date
    May 2011
    Posts
    92

    Re: 2nd Parallel Port for Z Axis - No Go

    Yes 0X 2070, also used 0X2060. The PCI card has 2 connectors, the 2nd ribbon cable is not hooked up.
    The 2 show up in device manager.

  6. #6
    Join Date
    Feb 2007
    Posts
    4553

    Re: 2nd Parallel Port for Z Axis - No Go

    is 5 volts d.c. connected to cp+ and cw+ on the CW8060 driver?
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.

  7. #7
    Join Date
    May 2011
    Posts
    92

    Re: 2nd Parallel Port for Z Axis - No Go

    Not at equipment, but heres how its wired. Ill re-ck later for 5v.
    CP+ Com
    CW+ Com
    CP- Step
    CW- Dir

  8. #8
    Join Date
    Feb 2007
    Posts
    4553

    Re: 2nd Parallel Port for Z Axis - No Go

    Quote Originally Posted by kNucklBustr View Post
    Not at equipment, but heres how its wired. Ill re-ck later for 5v.
    CP+ Com
    CW+ Com
    CP- Step
    CW- Dir
    Your wiring is incorrect if com is not +5 volts

    Many breakout boards have a "com" selection jumper that has a option for +5 volts or ground. If yours does not have the + 5 volt option connect CP+ &
    CW+ to the power supply +5 volts.

    Jeff...
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.

  9. #9
    Join Date
    May 2011
    Posts
    92

    Re: 2nd Parallel Port for Z Axis - No Go

    Using LPT 3, BOB 2 led lites on, not connected to Driver, I get this from the BOB terminals:
    EN 0v
    Step 5v
    Dir 5v
    Com 5v

    The BOB does have an optional J1 to solder in a jumper 5v , Gnd.
    The BOB uses a USB cable to provide 5v in use.

  10. #10
    Join Date
    Feb 2007
    Posts
    4553

    Re: 2nd Parallel Port for Z Axis - No Go

    Check your private messages.

    Jeff...
    Patience and perseverance have a magical effect before which difficulties disappear and obstacles vanish.

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