[ Vfdmod ] An easy VFD control over MODBUS RTU

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04 Mar 2023 11:28 #265835 by jasen
Very impresive. as can be used for ulmost every vfd.
The only thing i can suggest is to add the pktuart support for the mesa boards. in this way the vfd can be connected directly to the digital filtered uart of the mesa boards

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17 Apr 2023 22:07 #269335 by andypugh

Very impresive. as can be used for ulmost every vfd.
The only thing i can suggest is to add the pktuart support for the mesa boards. in this way the vfd can be connected directly to the digital filtered uart of the mesa boards

I found this post as I was writing the docs for a system that does exactly this. But I think that there is room for both. 

I am not clear, but has this component been submitted for inclusion in the LinuxCNC distribution?
 

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23 May 2023 17:35 #272032 by Dragonick

I've successfully used this to control a Folinn BD600 over MODBUS, and it should also apply to other Folinn (Fuling) models of VFDs. Unfortunately this model requires a reverse command to be sent using a negative percentage to the relative frequency command, which is something I'll try to figure out at a later stage.

Thanks @aekhv for this lovely bit of code!

Hope this information comes in handy for anyone using a Folinn VFD! :D

Here's the ini file I've used on Debian Bullseye with LinuxCNC 2.9 (default release packages work perfectly fine):


[Common]
MaxSpeedRPM=24000
MinSpeedRPM=6000
;AtSpeedThreshold=0.05

[RS485]
SlaveAddress=1
SerialDevice=/dev/ttyUSB1
BaudRate=9600
LoopDelay=500
ProtocolDelay=6
;IsConnectedDelay=10
ConnectionErrorList=110
ConnectionDelay=500

[Control]
Address=0x1000
RunForwardValue=0x0001
RunReverseValue=0x0002
FaultResetValue=0x0007
StopValue=0x0006

[SpindleRpmIn]
FunctionCode=0x06
Address=0x3000
Multiplier=10000
Divider=24000

[SpindleRpmOut]
Address=0x3001
Multiplier=30
Divider=10

[freq-running]
FunctionCode=0x03
Address=0x3001
PinType=float
PinName=freq-running
Divider=10

[bus-voltage]
FunctionCode=0x03
Address=0x3002
PinType=float
PinName=bus-voltage

[output-voltage]
FunctionCode=0x03
Address=0x3003
PinType=float
PinName=output-voltage

[output-current]
FunctionCode=0x03
Address=0x3004
PinType=float
PinName=output-current
Divider=100

[output-torque]
FunctionCode=0x03
Address=0x3006
PinType=float
PinName=output-torque

[run-speed]
FunctionCode=0x03
Address=0x3007
PinType=float
PinName=run-speed

[spindle-load-speed]
FunctionCode=0x03
Address=0x300F
PinType=float
PinName=spindle-load-speed

[power-on-time]
FunctionCode=0x03
Address=0x301A
PinType=float
PinName=power-on-time

[spindle-run-time]
FunctionCode=0x03
Address=0x301B
PinType=float
PinName=spindle-run-time

[fault-code]
FunctionCode=0x03
Address=0x8000
PinType=float
PinName=fault-code


And here's the files added to the custom.hal to make it work with the interface:


[code]loadusr -W vfdmod bd600.ini --debug
net spindle-vel-cmd-rpm => vfdmod.spindle.rpm-in
net spindle-at-speed <= vfdmod.spindle.at-speed
net spindle-cw => vfdmod.control.run-forward
net spindle-ccw => vfdmod.control.run-reverse
[/code]

[code]Hi, I also have a bd600 inverter and I used your configuration but I get this error. What am I doing wrong ?
[/code]

 
Attachments:

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23 May 2023 19:36 #272053 by rodw
Did you install vfdmod per the instructions at the beginning of this thread?

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03 Sep 2023 16:35 - 03 Sep 2023 17:21 #279733 by Markgonz
Hello friends, I started a thread looking for help but I figured I will ask here as well

My setup is a 7i96s running linux v2.9 pre, on an intel minipc.
 
I have been trying to control my spindle VFD( Omron MX2) with vfdmod and usb rs485 dongle, I was able to install vfdmod, but I have trouble understanding how to enter the correct values on the configuration file for the control of the address, spindle forward, etc I guess I would need to read the VFD manual to put the correct numbers but I haven't been able to find them so I did copy the values from someone else config I found here.
I have attached my vfdmod config file if someone can take a look.  

File Attachment:

File Name: my-config-...9-03.ini
File Size:5 KB


The manual of my VFD is this one:  assets.omron.eu/downloads/manual/en/v3/i..._users_manual_en.pdf.  page 322 I think is where the modbus info is,

I also found this video where this guy sets up his lathe using vfdmod and shows what the process looks like, helpful but still some steps are missing


Thanks!
 
Attachments:
Last edit: 03 Sep 2023 17:21 by Markgonz.

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04 Sep 2023 23:46 - 06 Sep 2023 00:21 #279898 by reBrick
I am trying to get vfdmod working with a SoyanPower SVD-E VFD. I think I am finally making a little progress, but still having problems. I have attached a plethora of files including a debug log. Also, is this not compatible with gmoccapy? It appearsd the post gui is loading in a different order.

The parameters appear to be retrieved successfully (P00.00), but I am not having any luck with the other 0x03 and 0x06 function codes.

here is the manual : www.soyan-tech.com/Content/upload/PDF/20...-User-Manual-New.pdf


Edit: I have fixed the P00 registers and what I think is the register for setting frequency. The manual calls if 'Communication Setting Address' 2000 Communication setting range -10000 to 10000. Does that sound right?

File Attachment:

File Name: my-mill.hal
File Size:5 KB

File Attachment:

File Name: postgui_call_list.hal
File Size:0 KB

File Attachment:

File Name: vfd.hal
File Size:1 KB

File Attachment:

File Name: my-mill.ini
File Size:3 KB

File Attachment:

File Name: vfd.ini
File Size:6 KB
 

File Attachment:

File Name: vfd-panel.xml
File Size:2 KB

File Attachment:

File Name: vfdmod-log.txt
File Size:3 KB
Attachments:
Last edit: 06 Sep 2023 00:21 by reBrick.

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26 Nov 2023 16:58 #286560 by ModuloFS
Hello, 

in case anybody is using a Folinn H1 (also sold as a EV50 series at stepperonline.com) here you may find my LCNC configuration: github.com/ModuloFS/LCNC_RatRig_KillerBee. Because this inverter can handle 32 bit values over modbus you have to set the parameter P01.47 to 1. So there you are able to reach the set value given in Parameter P02.90 to 100 % over communication with only 16 bits. I am going to add more documentation to my configuration later. If you have any questions feel free to ask! 
The following user(s) said Thank You: tommylight, rodw

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10 Jan 2024 16:34 #290380 by COFHAL
Could you post your Ini file for the VFD, I have the same one and I haven't been able to configure the SpindleRpmin and out thing correctly.

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10 Jan 2024 17:04 #290383 by ModuloFS
I have the complete ini of my machine on github. Here you find the ini of the vfd:
github.com/ModuloFS/LCNC_RatRig_KillerBe...ee/vfd_h1_config.ini

Be aware of the P01.47 parameter in the vfd, because at the standard configuration you are not able to set the max output frequency with the 16 Bit register values.
The following user(s) said Thank You: COFHAL

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10 Jan 2024 17:23 - 10 Jan 2024 17:29 #290385 by COFHAL
Dear s_volenszki 

Could you post your Ini file for the VFD, I have the same one and I haven't been able to configure the SpindleRpmin and out thing correctly.
Last edit: 10 Jan 2024 17:29 by COFHAL.

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