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Messages - Tweakie.CNC

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3101
General Mach Discussion / Re: No Motor Movements -- Newbie
« on: September 05, 2014, 04:54:59 AM »
An ‘Active Low’ signal is normally high (approx. 3.3V or 5V) and goes low (0V) when it is enabled.
It is the opposite for ‘Active High’ they are low (0V) and go high (approx. 3.3V or 5V) when enabled.

As said, your motors should ‘lock’ when the board is powered-up (irrespective of any combination of step and direction pin settings / allocations) so you need to find which pin or pins provide the Enable signal / signals. It will, of course, be one or more of the Output pins 1-9, 14, 16, 17.
Try them each in turn first active high then active low – when you can’t rotate any of the stepper motors then you have found the pin / pins and it’s / their active state.
Then you can proceed to confirm which are the correct step and direction pins for each axis (although I think you already know that but check again to be sure).

Tweakie.

3102
General Mach Discussion / Re: No Motor Movements -- Newbie
« on: September 04, 2014, 05:50:53 AM »
Hi Giongnuts,

When you power-up the board (connected to the PC and with Mach3 running) Do your motors lock ?? (cannot be rotated by hand like they can when it is switched off).

If they lock then you are on the right track.
If they do not lock then you have not yet found the correct Enable pin numbers.

Also check...
That you have the correct parallel port Port Address set in Mach3 and that it is Enabled.
That you are using the correct Pin numbers for Step and Direction in Motor Outputs.
Try Step Active Low (ticked) and see if that works.

That's about it really, I have run out of ideas for you except perhaps buying a Gecko G540  :)


Tweakie.

3103
General Mach Discussion / Re: No Motor Movements -- Newbie
« on: September 04, 2014, 04:50:04 AM »
Hi Giongnuts,

I appreciate it is not your doing but these boards are total crap and hardly worth the effort to get them going. However...

You need to have Enable signals (active high [X]) set in Mach3 / Ports and Pins / Output Signals, for the respective pins. Try...

Enable1  Enabled(tick) Port#1 Pin Number 4 Active Low(cross)
Enable2  Enabled(tick) Port#1 Pin Number 5 Active Low(cross)
Enable3  Enabled(tick) Port#1 Pin Number 17 Active Low(cross)

Make sure that those pin numbers are not Enabled anywhere else in Mach3.

See if that let's you get motor movement.  ;)

Tweakie.

3104
Mach4 General Discussion / Re: Mach4 Printer Port Discussions
« on: September 03, 2014, 12:25:05 PM »
Wow ! - it all seems to be coming together faster than I anticipated.  ;D

Thanks Art.
Thanks Steve.

Tweakie.

3105
Show"N"Tell ( Your Machines) / Re: A Wee Prober
« on: September 03, 2014, 09:24:19 AM »
 ;D ;D ;D

(now it has been spotted, thought I had better correct the typo).

Tweakie.

3106
Mach4 General Discussion / Re: Mach4 Printer Port Discussions
« on: September 03, 2014, 02:05:04 AM »
Thanks Art, I look forward to trying your setup, allbeit at a much slower feedrate  (4500mm/min with my steppers and ballscrews) when details become available.

Tweakie.

3107
Show"N"Tell ( Your Machines) / Re: A Wee Prober
« on: September 03, 2014, 01:55:00 AM »
Hi mc,

No sarcasm intended sir - it is certainly a great project - please keep up the good work.

Tweakie.

3108
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: September 02, 2014, 11:33:29 AM »
Great work Art, the project is all starting to take shape now you are into the actual 'power on' testing stage  ;)

Tweakie.

3109
Show"N"Tell ( Your Machines) / Re: A Wee Prober
« on: September 02, 2014, 02:49:02 AM »
This is certainly an excellent project mc.
Thank you for taking the time to post all the details and pictures they are most informative.
I just can't wait for the next installment  :D

Tweakie.

3110
General Mach Discussion / Re: I had something for a minute...
« on: September 02, 2014, 02:34:13 AM »
So far  I have nothing working.
I guess I need to go back to using the DOS software that it came with.  I cant get Mach3 to do anything.  $175 down the toilet...

Are you really going to quit that easily ?? 

I certainly wouldn't - many things beat me for a while but I always get the better of them in the end (particularly if I have spent $175)  ;D

Tweakie.

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