Messages

6141

General Mach Discussion / Re: first run with mach3

« on: September 23, 2011, 10:48:22 AM »

if you  don't run the mach .can u get 5 V at pin 3 and 25? if yes that mean my pc error .

Hi Asen,

You need to run Mach.
On your PC, go into device manager and check the LPT parallel port address (usually 0378) then check this is the address entered in Mach.

Tweakie.

6142

General Mach Discussion / Re: hopefully getting this worked out

« on: September 23, 2011, 06:45:00 AM »

I HAVE a license.  I didn't ask him to send it but he did.  I attached the xml file to show I have a full legal license now.

Technically Brad, the license really needs to be in your name. 

Tweakie.

6143

General Mach Discussion / Re: first run with mach3

« on: September 23, 2011, 05:13:28 AM »

what 'll I do ,if no 5 V on the pc parallel port pin pin no 3,5,7 when I move the Axis ?

Then you need to check your Mach configuration carefully and also check that you have the correct address set for your parallel port and that it is enabled within your computer BIOS settings etc. - Lets hope you have 5 volts between say pins 3 and 25.  

Tweakie.

(This document refers to setting up far better than I could ever explain it  http://www.machsupport.com/docs/Mach3Mill_Install_Config.pdf )

6144

General Mach Discussion / Re: first run with mach3

« on: September 23, 2011, 03:33:33 AM »

Hi Asen,

Sorry, I didn't make it clear but my earlier post related to measuring the voltage at the 25 pin PC Parallel port (or input to the Breakout board), not the breakout board output side.

I would need more details on your breakout board but;

1) Some breakout boards will operate with the 3.3 volt TTL standard inputs whilst others still require the older 5 volt TTL standard for reliable operation. Measure the Direction pin outputs at your PC to find out which voltage standard you have.

2) From your diagram it would suggest that your breakout board requires it's own 5 volt supply but this is not shown in the diagram for some reason. This could well be the root cause of your problems.

Tweakie.

6145

General Mach Discussion / Re: first run with mach3

« on: September 23, 2011, 02:54:49 AM »

Hi Asen,

It appears that the;
X Axis step is pin 2 and direction is pin 3
Y Axis step is pin 4 and direction is pin 5
Z Axis step is pin 6 and direction is pin 7
And this is the way they sholuld be configured within Mach Ports and Pins / Motor Outputs.
                
With a multimeter, you will only be able to measure the voltage on the PC Parallel port Direction pins - so connecting the meter between pin 3 and GND (pins 18 to 25) jogging the X Axis in one direction should produce approx 0 volts and in the other direction approx 5 volts on the meter display.


Tweakie.

6146

General Mach Discussion / Re: limit switch accuracy

« on: September 23, 2011, 02:22:30 AM »

You are nearly there then 

Tweakie.

6147

General Mach Discussion / Re: first run with mach3

« on: September 23, 2011, 02:19:38 AM »

Hi Asen,

In your reply, click "Additional Options" then "Choose File" and then select your pdf document.
Hope this helps.

Tweakie.

6148

General Mach Discussion / Re: limit switch accuracy

« on: September 22, 2011, 12:31:32 PM »

The touch probe macro sounds like it should meed your needs then.

Tweakie.

6149

General Mach Discussion / Re: limit switch accuracy

« on: September 22, 2011, 11:59:47 AM »

Hi Doc,

Good question - bit like asking "how long is a piece of string ?"   

I suppose it all depends on how much you want to pay and the level of accuracy that you need.

I use ordinary Honeywell Microswitches but Baumer Electric produce a superior range and their mechanical push switches, in the My-Com range, have a repeat accuracy of better than 0.001 mm (constructed a bit like a touch probe).

Tweakie.

6150

General Mach Discussion / Re: first run with mach3

« on: September 22, 2011, 03:57:38 AM »

Hi Asen,

Welcome to the forum.

Do you have any details of your controller as that determines which pins are used for the step and direction of each axis. ??

Tweakie.