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231
@JON & @SORIN
JUST Apply the fix listed here
https://www.machsupport.com/forum/index.php?topic=38269.0
reboot
Then you can safely ignore the  "Question mark flag".

232
Hi
assuming your machine uses the PROFI4 Break out Board
Just download the manual from
http://www.cnc1.eu/files/images/stories/Profi4/Profi4%20Main%20Board%20Manual.pdf
And configure to the letter..

233
I have 24 volt dc output switching power supply to power my (diy router) cnc electronics, stepper motors, ect.
The power supply shorted out two of the transistors on the circuit board. I have since replaced the power supply and now my limit switches will not activate in Mach 3 program. Checked all the switches,wiring and settings in Mach 3 configuration ports and pins. When I open Mach 3, the reset button is flashing, Emergency mode Active, Status says: Driver Successfully installed. Open Diagnostics and all my limit switch boxes are yellow. When I hit the re-set button, the message clears. I hit my limit switches and they do not activate emergency stop. Also, ref-all-home will not work, machine will not travel to home position. The stepper motors work.
Has the power supply damaged my Mach 3 program or computer? I don't know what else to do....

Thanks

Jon Rodriguez

I think, the negative terminal of the 24V PSU should ALSO be connected to the common ground of the limit switches connections at the Break out Board (BOB).
What BOB are you using?
If that still does not fix it, you may need to replace the BOB.

234
Mach4 General Discussion / Re: Missing MSVCP120.dll for script editor
« on: April 20, 2019, 09:46:32 AM »
i think you may have to install
MICROSOFT Visual C++ Redistributable Packages for Visual Studio 2013
from
https://www.microsoft.com/en-us/download/details.aspx?id=40784

235
[quote
any Ideas?
[/quote]

1. If you limit/home switches are wired Normally Open (NO) - change it to NC (Normally Closed).
This will eliminate/minimize ALL "false limit switch triggering issues". Debounce more than 50 is ABNORMAL.
It is also better for safety because M/C won't even start if any limit switch wire is broken.
In the NO wiring, a broken wire could go unnoticed until M/C crashed HARD when limit switch didn't work because a wire had been broken for a long time.
2. Earthing should be done at the negative terminal of the DC (24V?) power and the ground of the limit switch wiring.
3. The ANALOG 0-10V controlling spindle speed is the usual trouble spot. This is because the Analog ground is isolated from the digital or DC & m/c ground.
So install ferrite core (aka chokes) on both wires of the 0-10V out of the BOB that controls the spindle speed. Put wire through as many turns as possible. This will make spindle speed more accurate and stable.
4. AC Power source should have AC "EMI filters". This is even more crucial if you upgrade to VFD Spindle and inverter.
5. I would NEVER use a USB Motion Controller. I would go from parallel port to an Ethernet motion Controller. USB Motion Controller are too sensitive to EMI noise. 

236
"I am having limit switch and estop false triggers"

This thread shows a fundamental mistake.
Limit/home switches should be wired NORMALLY CLOSED and NOT Normally OPEN as done by the author of this thread. So his "solution" is a just a waste of time and effort.
You cannot have any false trigger if voltage is NORMALLY already high and current is already flowing in the limit switches.
Noise cannot turn what is already normally voltage high, "falsely on'.

237
What's wrong?
Tool is being fed downwards smoothly in "spiral" fashion as a leadin to profile CUTTING.

If you are trying to do fixed-depth pocketing in Lazycam, you need to have a "lazycam pro" license.


238
Stepcraft claims their machine at run at max. speed of 50mm/sec=3,000mm/min.

To achieve that Max. Speed, the Windows 7 32bits PC running MACH3 will need at least a CORE-2-Duo 3GHz CPU and running MACH3 kernel speed at 45,000Hz.
I upgraded my old PC from core-2-duo 2.4Ghz (max speed was 1800mm/sec) to Core-2-Duo 3.0Ghz for AUD$9 from ebay and max speed went up to 3,000mm/min and I could surf the INTERNET while machining with no issue.
I also have a new PC with I5 7600 9 3.6GHZ (4cores) and I could reach 4,000/mm with no problems even though my motors are still at 24volts.

BUY a 2nd hand Windows 7 32bits PC. They should be cheap and readily available for below 150 EUROs

239
General Mach Discussion / Re: mach3 turn g codes help
« on: April 17, 2019, 08:21:15 AM »
attached is MACH3 TURN G & M code list from the MACH3 TURN Manual

G73 & G50 exist.

240
FYI:

XHC MOTION CARD DRIVER
Release Notes:
this driver is only for mach4 software.
please copy ncusbpod.m4pw and ncusbpod.sig to mach4\plugins directory.
v4.0 2014.4.26
release this first version for mach4.
v4.1 2017.3.15
fixed the probe function to estop
v5.10 2017.4.24
this driver is only support xhc mkx-v card for mach4 hobby. 
 
-- WOW SO Mach3 "XHC MKX-V" owners can actually use MACH4 HOBBY with this driver????

v5.10.1 2017.8.23
fixed the probe bug
-- fixed HYSTERICAL warning against XHC by Peter Knell - who could not do "auto tool probing".

optimize the usb commnunication.
v5.10.3 2017.12.26
solve always "device error triggered" problem
v5.10.4 2018.1.22
solve always "device error triggered" problem