Comments on: PCB layouts and schematics for my CNC

By: imsolidstate

imsolidstate — Fri, 22 Apr 2011 18:29:42 +0000

Thanks for the tip. I’ve been suspicious about Automation Direct’s drives, because they look exactly like the Applied Motion products that omega sells for three times the price. I’m hoping there’s a difference.

By: Ken

Ken — Fri, 22 Apr 2011 18:24:26 +0000

FYI, I think Automation Direct’s STP-DRV-4035 drivers are actually Applied Motion Products’ 3540M drivers.
http://www.applied-motion.com/products/stepper-drives/3540m

By: erol

erol — Fri, 08 Apr 2011 22:45:45 +0000

What is the value of resistors and capacitors on Opto-isolated Parallel Interface Board ?
thanks

By: imsolidstate

imsolidstate — Thu, 31 Mar 2011 20:07:43 +0000

Thanks. It does interface with Mach3, as well as TurboCNC. Mach3 has better support for PCI parallel port cards though, you can use addresses other than legacy addresses. So motor step/direction signals are on LPT1 (378 or whatever) and the extra stuff like limit and home switches is on the external parallel port card. That way I can use both programs but Mach3 also has limit, home, interlocks, spindle on/off, etc.
Sorry, I don’t have the file anymore so I can’t send it to you.

By: Nasser

Nasser — Sun, 27 Mar 2011 06:26:29 +0000

Hi: Dear
Thank you very good site
Do you interface with the Mach 3 works
Is it possible for me to email it to Schematic
Sincerely: Nasser