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Messages - Tweakie.CNC

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1141
General Mach Discussion / Re: Elapsed time stops counting
« on: January 18, 2020, 02:31:17 AM »
I would be interested to know if there is a solution to this as my timer does exactly the same thing.  :(

Tweakie.

1142
Hi,

I am assuming you have your laser power supply wired as the diagram (with WP connected to GND through the water flow sensor). Connect the laser TTL(L) and GND to your breakout board. Configure Mach3 to set Output#1 to Pin17 (Active Low).

Now the Gcode;

X0
M11P1
X1

Will turn the laser ON
and the Gcode;

M10P1
X0

Will turn the laser OFF.

(The M11/M10 commands are required to be followed by an axis movement – that is the only reason for the X0, X1 in the above example).


In a few weeks time, once you have this all up and running and are familiar with your laser use then you can incorporate the PWM laser power control. My suggestion for PWM control is described here; https://www.machsupport.com/forum/index.php?topic=12444.msg265104#msg265104

Hope this helps.

Tweakie.


1143
General Mach Discussion / Re: .tap code cant be found
« on: January 16, 2020, 01:25:59 AM »
After you click Open Gcode File, in the lower box Files of Type, select All Files(*.*) or whatever file extension you require.

1144
General Mach Discussion / Re: Mach3 new user, help with laser.
« on: January 15, 2020, 06:56:57 AM »
Quote
Think I've read somewhere that you need an external control for moving the different axis around. This might be info from an uninformed user so I'm unsure if I should trust it or not.

If it’s within reach you could just use the keyboard for moving the axis but it’s useful to have a hand held pendant.  ;)

Tweakie.

1145
Hi Beer,

You may find this document of interest;  https://www.machsupport.com/wp-content/uploads/2013/02/Mach2_6.11_Custom.pdf

Tweakie.

1146
General Mach Discussion / Re: Mach3 new user, help with laser.
« on: January 15, 2020, 02:05:28 AM »
One more thought, if you intend using the M11 / M10 commands…

Because Mach3 is obsolescent (development ceased 6 years ago in favour of Mach4) you should check with the manufacturer of any motion controller you may wish to purchase that it’s Mach3 plugin does indeed fully support the M11 / M10 command set before you commit to buy.

Tweakie.

1147
General Mach Discussion / Re: Mach3 new user, help with laser.
« on: January 14, 2020, 06:14:22 AM »
When it comes to external motion controllers I think general opinion prefers Ethernet over USB connection and I think you should choose one that also supports Mach4 (you may wish to move to Mach4 in the future) and please avoid any of the cheap controllers that are made in China.

The ESS is good https://warp9td.com/ and so is the UC400ETH http://www.cncdrive.com/UC400ETH.html - I use both of these motion controllers (on different machines) but there are others which you could choose from.

Hope this helps.

Tweakie.

1150
General Mach Discussion / Re: Mach3 new user, help with laser.
« on: January 14, 2020, 04:54:15 AM »
Unfortunately your USB motion controller does not support the M10 / M11 commands so they will not work.

You could replace your controller with one that supports these commands - you would also need to fit new stepper drivers etc.

A reasonable solution may be to modify your Post Processor to replace the M10/M11 commands with say B0/B1 then configure the B axis within Mach3 and then use the B axis Direction pin for laser switching. (an axis movement command will, like M10/M11, operate without breaking the constant velocity chain - so no delay like M3/M4).

Tweakie.

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