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Messages - Steve Stallings

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Mach4 General Discussion / Re: Mach 4 System Rquirements
« on: April 09, 2017, 12:37:32 PM »
A quick look at the OMIOCNC web site confirms that all of their current
products use a USB motion controller that works only with Mach3.

It should be possible to convert one of these to Mach4 by using a
board like this:


Many low cost vendors sell machines that run only Mach3 because
they can ship it with the DEMO version of Mach3 which will cut up
to 500 lines of G-code without a license. Some even go so far as
to provide a bootleg cracked version of Mach3 along with a custom
installer which may also install malware as a bonus.

Mach4 has more stringent security requirements and the DEMO will
run for a short period of time instead of a fixed number of lines. This
makes it difficult to pretend to offer a "FREE" copy.

Mach4 General Discussion / Re: Mach 4 System Rquirements
« on: April 07, 2017, 07:47:45 PM »
Yes, it runs under current versions of Windows 10. Microsoft may throw some
curves in the future, but expectations and intentions are to continue being
able to run under Windows 10.

Yes it still runs under Windows 7. It will even run under XP though that is not

Touchscreen ability is a feature that needs to be provided by the operating
system and the device drivers for the touch screen itself.

A better question would be "is it touch screen friendly". The answer to that
is relatively good, but make sure the physical screen is large enough to make
it easy to hit the desired location because there is a lot on the screens.

Mach4 is better, follows industry standards more closely, is more powerful and
stable, but also a bit more complicated. Long time Mach3 users sometimes grumble
about it not being exactly like Mach3. Mach4 does not yet have as much support
from device manufacturers and software add-on vendors, but that is improving.

Mach4 General Discussion / Re: probing with do loop
« on: April 02, 2017, 07:48:52 AM »
Probing, and other G-code functions are defined in the file

Mill GCode Programming.pdf

This file is installed in the Docs subfolder of you installation, typically
at C:\Mach4Hobby\Docs

It describes the action of G31 and where the results are stored.

Mach4 General Discussion / Re: registering Mach 4
« on: March 31, 2017, 10:21:09 PM »
If you were provided with a Registration Coupon so that you could
acquire your license from the MachSupport.com web site, then you
can just issue a new license yourself by providing the PCID to the
license server.

If BuildYourOwnCNC provided the license file to you, then you will
have to go back to them for corrective action.

In any case, their Mach3 USB Interface Board should not be expected
to run under Mach4.

Mach4 General Discussion / Re: Mach4 Threading having problems
« on: March 31, 2017, 08:46:41 AM »
The error message is not saying that the RPM is to great, it is saying that the RPM
ERROR is too great. This can be caused by an S word in your G-code that is too
different from the actual spindle speed, or by feedback that is not working or is
incorrectly configured.

Our plug-in code uses the declared S word to calculate the initial parameters
for threading movement. The tolerance band is from 50% of the declared
speed up to 125% of the declared speed.

We will change the wording of this error message in our next plug-in release.

I have not experienced this running Windows 10.

What motion device are you running?

Could you try this with the motion device set to Simulator and your regular
motion device disabled in the Config > Mach > Plugins dialog?

Mach4 General Discussion / Re: Motion underrun error.
« on: March 15, 2017, 10:19:04 PM »
It is possible for a motion controller to consume commands out of the
buffer faster than the host computer puts them into it. This is more
likely for slow computers and jobs that have lots of very short moves.

The solution in this case is to make the motion queue larger. The PMDX
plug-in defaults to a G-code motion buffer of length 250. You can edit
this using:

Config > Plug-ins > PMDX-SmartBOB and choose the Performance Settings

A larger buffer will help prevent under-run, but will also lengthen the
response time to Feed Hold and Stop commands from the console.

Mach4 General Discussion / Re: Hobby/Industrial and Profiles
« on: March 08, 2017, 04:53:55 PM »
The "import" function is in the Mach4Loader, not in the main program.

Mach4 General Discussion / Re: Hobby/Industrial and Profiles
« on: February 27, 2017, 07:13:43 PM »
I think your Hobby profile should run fine in Industrial. No harm in trying.

If you had custom macros or screen sets you will need to take extra
steps to move those over.

The macro files from Mach3 will not work in Mach4. Mach4 macros
need to be in LUA. While it might be possible to use other languages
including Basic, it would require significant skills and an understanding
of how the chosen language binds to DLLs.

The Mach4 system does not use the Mach3 style Brains. Instead it
uses a real Ladder Language sub-system call the PMC. It runs like
an internal soft PLC. It is more stable and has far better editing

The Omiocnc web site makes no mention of Mach4 whatsoever, so I would
recommend contacting them to see if Mach4 support is available.

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