Quote from: pietvr on June 06, 2011, 07:30:19 PM

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

Also won't work for us.

http://www.ftdichip.com/Products/ICs/FT232R.htm

Key Hardware Features:
Auto transmit buffer control for RS485 applications.

http://www.nxp.com/documents/data_sheet/74HC_HCT10_Q100.pdf

http://pdf1.alldatasheet.com/datasheet-pdf/view/80659/SIPEX/SP485REN.html

Mach3 latest version, Ethernet Smooth Stepper, Hexin USB - RS485 adapter, and Huanyang Plugin by royaumedeole

I have the plugin working but I suspect EMI is causing all of my problems.  I have different levels of reliability and unpredictability when a change to wiring and EMI protection is done.  I have given up and plan to use the spindle manually until I purchase a new USB-RS485 converter

A contributor on the Mechmate forum has done extensive testing with a similar adapter but to no avail.   All of his problems were solved with the purchase of an industrial adapter with opto-isolation.  See here:  http://www.mechmate.com/forums/attachment.php?attachmentid=11042&d=1295434719

Hi All,

I too was having major issues with the same setup until I rewired my spindle with shielded cable.  I also earthed everything back to a single star point and now I could not be happier.  I was getting false stops and Mach3 would hang as soon as the spindle started.  I shielded both ends of the spindle cable and added an earth to the spindle, PC and controller box in a star configuration.  I also cut some small ferrite cores of an old VGA cable and added one to each end of the RS 485 cable.  Please also ensure that you also use a shielded twisted 2 core cable for the RS 485.  I also added an EMI filter on the input of the VFD which connects in series between the 240v outlet (Aus) and the mains plug on the VFD.  I completed all of this at the one time, so I can't be sure which part was the most effective but it is now a totally stable and usable machine.  Please also don't forget to uncheck the 'Disable Spindle Relay' checkbox if you haven't done so already as it will prevent some of the spindle M commands from operating.

Regards,
Damon

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.

I'm gonna buy this one ...

http://www.hexin-technology.com/USB_2.0_To_RS-485_Converter-Product-255.html

T/R- to RS-
T/R+ to RS+

... and it finally worked  

It appears that my setup has stabilized.   It appears that the noise being generated was causing problems for the Dell N7010 laptop that I was using.  My daughter has just given up on a Compaq Presario R3000.  I did a complete format and installed XP Pro and Mach3.  Fired it up and have no issues since.  Go figure!!!

Hello Everyone,
I am currently using a Galil controller. I have a few issue using the plug in. The home switch are being ignored when plug in is activated, but if i remove the huanyang plug in the home switches works perfect. Does anyone have the same problem. Thanks in advance

Hi,
out of interest how much extra do you pay for the mach3 RS485 "special order" VFD ?

I to was a RS485 victim with my HY 1.5kw VFD, so I ordered the MAX485CSA from ebay for like $2.07 + free shipping for 10pc's, eventually they arrived after 40 days from HK to Thailand.

Anyway I soldered the MAX485 IC onto the PCB, plugged it all back in without any smoke and with a couple of changes to VFD settings and a few more for setting up of the MODBUS in Mach3 and so far it seems to work just fine so a BIG thank you Matty Z for the Plugin and everyone else who helped figure out this issue.

Breastfed

There is an updated plug-in here http://www.machsupport.com/forum/index.php/topic,22806.20.html
N.