[ Vfdmod ] An easy VFD control over MODBUS RTU

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31 Dec 2025 12:43 - 31 Dec 2025 12:50 #340766 by xenon-alien
Replied by xenon-alien on topic [ Vfdmod ] An easy VFD control over MODBUS RTU
Can you help me with mb2hal?
Here is my old setup for vfdmod file for Danfoss VLT FC-51
There was only a few commands cw, ccw, stop and frequency.
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Last edit: 31 Dec 2025 12:50 by xenon-alien.

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31 Dec 2025 23:54 #340813 by nwallace
Replied by nwallace on topic [ Vfdmod ] An easy VFD control over MODBUS RTU
Sorry, I am definitely not an expert in this. You can take a look at my config and the documentation here:
linuxcnc.org/docs/html/drivers/mb2hal.html
Attached is my mb2hal ini file and the spindle bits from my hal file. I am not an expert but I was able to figure it out just with the VFD manual and the documentation.
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01 Jan 2026 00:16 #340814 by xenon-alien
Replied by xenon-alien on topic [ Vfdmod ] An easy VFD control over MODBUS RTU
Thank you for the files!
That is not a documentation, only a lot of not really understandable words.
The connection and reading I have tested.
Now i have to figure it out how to scale it correctly and how to transfer to the VFD the input commands.

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