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I thing i just noticed and i have no idea if it makes a differece. Your adapter similat to mine is the G version, mine is the F version. I wonder if this affects the ADDC TopNotch mentioned. I haven't heard back from him in a while.
http://www.hexin-technology.com/USB_to_Serial_Converters-Subcatalog-84.html
Try your other one that Michel has working. Mut as Mark suggested check that Maxim chip is pressed into the socket properly.
Hi Joemac
Here are two versions of the software controllers for the USB->RS485 (Ver F) I have written and use to control the spindles on machines I sell.
VFD Controller - EXE is a program that runs the spindle without Mach3 and Controller_VFD - DLL runs the spindle via Mach3 using the M3, M4 and M5 calls together with the S calls for speed setting "M3 S20000".
Both these programs runs spindle speeds between 6000 and 24000RPM
If you want lower than 6000RPM let me know and I will change the program for you to run at lower speeds.
Hope you find it worth the effort.
Piet
Thank you Piet, I have just downloaded the files.
Your previous post indicated no soldering needed, but as I understand in the RS485 chip is missing from my inverter. I was going to order one today but stopped and decided to ask first.
Thanks for you effort on this, I am looking forward to trying it out as soon as I have this missing chip bit sorted out.
Regards,
-Joemac
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