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Messages - rrc1962

181
General Mach Discussion / Re: homming with Ethernet SS problem
« on: December 23, 2012, 06:08:37 PM »
Between magnetic, mechanical snap action and optical, magnetic switches are probably the least accurate.

182
General Mach Discussion / Re: How do you Resume Cutting?
« on: December 18, 2012, 09:48:18 AM »
You should just add a feedhold button in screen designer.  feedhold then cycle start is SOOOOOO much easier than Run From Here when you just need to pause and resume.

183
General Mach Discussion / Re: Nema34 Problem
« on: December 15, 2012, 11:08:00 PM »
A laptop is not the most stable platform to be running Mach3...unless you're using an external motion controller.  Looks like you're using a PP.  Try reversing the state of "Step Low Active" for the axis in question.  If that doesn't help try a desktop PC.

184
General Mach Discussion / Re: THC problems
« on: December 15, 2012, 08:58:27 AM »
Have you tried calling CandCNC?

185
General Mach Discussion / Re: THC plasma button on mach3
« on: December 15, 2012, 08:57:03 AM »
If the THC sensor button is a VB button, put that code in a macro (M code) and call the macro at the beginning of the program.  If the button is a Mach3 OEM button do the same thing  but in the macro call doOEMButton(*********).

186
General Mach Discussion / Re: What external motion controller do I choose?
« on: December 15, 2012, 08:48:05 AM »
One thing we've noticed with Win7 64 bit is that about 1 out of 3 times I start Mach3 it opens with a fatal error and shuts down.  This doesn't happen on Win7 32 bit or WinXP.  I really like Win7 embedded 32 bit.  It's a stripped down, lean and mean version of Win7 with all the stuff you need and none of the garbage.

187
General Mach Discussion / Re: Ethernet and computer question
« on: December 14, 2012, 08:22:08 PM »
DD hard drives hold up better in harsher environments but don't last as long. SS drives use wear leveling to evenly distribute wear. I have hard drives that are over 10 years old and still spinning along. Can't say the same for USB flash drives, and they aren't used every day.

I'm not talking about a disposable USB flash drive.  I'm talking about a real solid state drive.  When you need to run a PC over a wide temperature range in a harsh environment, conventional drives will fail before a good solid state drive every time.  That said, most people are not running in such a harsh environment that a conventional drive will be a problem.  We use the Intel 520 series drives.  They range in price from around $200 up $800 depending on capacity.

Just take a look at what Burny, Hypertherm, ProMotion, etc. are using in their controllers.  They've done a lot of R&D to develop a controller that is as bullet proof as possible.

188
General Mach Discussion / Re: Ethernet and computer question
« on: December 14, 2012, 01:53:36 PM »
Solid state will last longer in a harsh industrial environment.  Moving parts vs no moving parts...logic dictates that solid state would be be better.  We have had conventional HD's fail in non temp controlled shop environments. 

189
General Mach Discussion / Re: EStop Request when nothing is moving
« on: December 13, 2012, 02:18:33 PM »
We had an intermittent fault on a parallel port do that once.  Seemed like it would run OK until the PC warmed up, then it started acting up.  I'd set up another PC and give it a try.

190
General Mach Discussion / Re: EStop Request when nothing is moving
« on: December 13, 2012, 08:54:52 AM »
I could never get the charge pump to work properly with the G540.  That could definitely be it.  If you're seeing an estop LED in diagnostics, then it's not a phantom estop.