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Messages - Jackal

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General Mach Discussion / Re: Another 2nd parallel port question
« on: October 12, 2011, 03:24:01 PM »
Thanks Tweakie.

I looked at that link you posted several times before starting a new thread.

Every available address has been done.

It could be that the pendant is bad or the c22 board, but I don't want to   send  parts back  without being able to test them.
Maybe someone else will chime in with the same problem and the same Break out board & stuff.

With the pmdx board set on normal mode it leaves the maximum amount of usable pins for the  2nd parallel port.

Does the C-22 board & brain take in all of the info from the pendant and decide what goes where, like a Modio or modbus?

My pendant has like 21 wires in it, and they can't all be functioning through the few available pins at once. ;D ::)< (Overlook my stupidity on this. I have never really studied the modbus or modio).

Thanks for everyone's help,

JAckal :)

General Mach Discussion / Another 2nd parallel port question
« on: October 11, 2011, 08:25:14 PM »
I ordered the Rosewill  parallel port that was recommended and tested by Simpson:


My Mach is up and running with a PMDX 126 board & 107 spindle controller. I have the machine where it will jog around on all  3 axis.

Spindle & VFD are  working fine.

The computer won't recognize the 2nd port. I've installed and removed the drivers, 2 or 4 times.

The pendant is a cnc4pc :


It is connected by this pendant board recommended by Arturo at cnc4pc:


I have installed all of the brains associated with the c22 card and pendant. Disabled and enabled all or some of them, at various points.

The port doesn't seem to be recognized.   I don't want to mess with running the sample .xml from cnc4pc, because all of my settings for my motors and VFD/spindle are already  there.

When you turn on the PC/Controller for the machine, the red led on the pendant lights up.  As windows starts to boot up, the led goes out.

The address for the 2nd parallel port card is :



I only use the first part of the address # ex: A800

In the hardware manager, there is (2) new ports listed: Port #2 & Port#3

The pin connector on the board must be for a ribbon connector to add another port   through the header.

Why is it showing 4 addresses for (2) new ports?

Any help would be greatly appreciated.

I am running the pmdx in "normal mode" with charge pump.

Is this asking too much for a second parallel port, to have a pendant on it?

Not sure how many open inputs I have left, or outputs either.

The C22 board is supposed to  intercept  all of the commands and communicate through the second port.

There may be some conflict between pins on the pmdx board and the CNC4pc c22 board.

Thanks for all of the help,



That switch was it!!! ;D

 I have it running now, it reverses, and everything.

From high to low range makes a big difference, but it did before,too.

The spindle reverses direction, etc.

It was that way before with my g-codes, so I'll adapt easily.

M3 & M4 reverse for hi/low range.

Thanks for all of the help, guys.


You guys are quick to help, plus you teach people to think and try to solve their own problems.



One thing I found out last night, there is a mini switch behind the panel/keypad, for selecting  NPN -PNP control. It is set default from the factory for PNP 24+ volts from the VFD to trigger the spindle and I have mine wired for NPN to use "ground" for the trigger.

Later, I'll go to the shop and try that.

The written manual is OK, but the manual on the disc has a lot more info. ;)



I bought a Teco JNEV-203 H1 VFD.

I hooked it up and programmed all of the settings manually, and it runs my spindle very well.

Now, I am trying to get Mach 3 to operate the spindle through my PMDX 107 card.

The 107 card is a daughter card that mounts piggy back on the PMDX 126 Breakout board. It is for spindle operation.

Here is a wiring diagram of how I have it wired:

This is the screen-shot of the MACH3 spindle  page:

It is probably something  set wrong.  I went through the programming of the vfd. It is really neat all of the different settings you can do.

After trying the different on/off/fwd/rev stuff, I quit before damaging something.

Does this need a relay to turn the spindle on/off & then the PMDX board just tells it which direction?

Thanks for all of the help,


General Mach Discussion / Re: Is this sound dithering?
« on: September 20, 2011, 01:27:41 PM »
Thanks Ray,

I had a few minutes today and checked it. It does this when power is applied to the machine. After MACH is booted up and I jog the X- axis ( slightly either direction) it stops making that noise. It only makes the noise when the machine is stopped.

I left it on for about 45 minutes and the noise never came back. ??? ??? ???

Maybe  this is ok. I'll have my wife go and listen to it sometime. It may be more of a growl or something else.

My hearing isn't trustworthy.

I can't even hear a cricket in the house.

JAckal  :)

General Mach Discussion / Re: Is this sound dithering?
« on: September 17, 2011, 09:42:26 AM »
Thanks Hood,

I am hoping someone else can say it is.

I took the brushes out and blew all of the dust from the motor and  put each brush back into the same location in the same order, etc.

At first I was afraid it was arcing of the brushes. ??? ???

But the  way it comes & goes intermittently, ???

Hopefully someone else has had the same thing happen.


General Mach Discussion / Is this sound dithering?
« on: September 16, 2011, 11:10:07 PM »
Not all of my motors are mounted on my machine. The x axis servo is mounted and has a Gecko 320x driving it. When the machine is powered up and Mach resets, my X- axis motor makes a small clicking sound. It is similar to a Morse code message.

I can jog the motor a little bit and it goes away. It may come back in 5 minutes or 1 hour later.

My hearing is too bad to compare to Youtube videos of dithering.

Let me know of some of your experiences.

Maybe my machine is  sending me a message:

1) JAckal,
Hurry up and get me finished so that I can make some chips.

2) JAckal,
You lazy bum. Are you ever gonna finish this retrofit.


JAckal ;D

General Mach Discussion / Re: Jog speed is very slow
« on: September 10, 2011, 09:56:01 AM »
That is what I've read from everyone thoughts. ;D

I checked it last night ( at 10,000), and it is almost as quick as the factory Hurco rapid.

My Hurco factory set-up was always at 60% rapids. That was for safety until I got familiar with programming it. It only ran about 15 hours that way, before going kaput!!!

I'll probably asking about following errors at  400IPM in a month or so. ;D ;D ::)

Thanks again,


General Mach Discussion / Re: Jog speed is very slow
« on: September 09, 2011, 09:08:02 PM »
Thanks Hood,

At one time I figured that, and then got busy and did trust what I had come up with.

I tried to put more than 4000 in and got an error one time and that made me think my calculation was off.

150 IPM is more than acceptable.

 Thank you 1,000 times. ;D

JAckal :)

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