VFD TO 7I76ED
23 Apr 2021 12:40 #206867
by teebee
VFD TO 7I76ED was created by teebee
Hi
I want to connect my VFD to the 7i76ed. (docplayer.nl/docs-images/50/26420363/images/26-0.png) There is a file online on how this can be done. (forum.linuxcnc.org/media/kunena/attachme...-10-15at22.52.28.png) I still don't know how to connect this based on this file. Someone who can help?
I want to connect my VFD to the 7i76ed. (docplayer.nl/docs-images/50/26420363/images/26-0.png) There is a file online on how this can be done. (forum.linuxcnc.org/media/kunena/attachme...-10-15at22.52.28.png) I still don't know how to connect this based on this file. Someone who can help?
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24 Apr 2021 01:01 #206912
by andypugh
Replied by andypugh on topic VFD TO 7I76ED
How did you set up the 7i76? Did you use a config wizard (in which case it should have been handled there) or did you configure the HAL yourself (in which case I would assume you would know enough to work it out from the pin names)
So, I am curious about how you found yourself needing to ask the question.
But, that doesn't matter, I am sure we can sort it out.
So, firstly, which VFD, and how do you plan to control it?
So, I am curious about how you found yourself needing to ask the question.
But, that doesn't matter, I am sure we can sort it out.
So, firstly, which VFD, and how do you plan to control it?
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24 Apr 2021 07:19 #206938
by teebee
Replied by teebee on topic VFD TO 7I76ED
I am a complete beginner in this type of stuff. I want to make a CNC lathe for a project at school. So everything is basically new.
I have not installed the 7I76ed yet. This board is coming in next week.
The intention is that I generate my G-code in LinuxCNC. With this program I want to control 2 stepper motors and a spindle.
So if I understand you correctly I need to install my 7i76ed first. This using a configuration wizard or a HAL.
Is it clear to do this on LinuxCNC or will this be very difficult as I have no experience with this at all. Or do you know of a good website, Youtube video where I can follow this?
My VFD is the mitsubishi fr-d700: docplayer.nl/docs-images/50/26420363/images/26-0.png
I have not installed the 7I76ed yet. This board is coming in next week.
The intention is that I generate my G-code in LinuxCNC. With this program I want to control 2 stepper motors and a spindle.
So if I understand you correctly I need to install my 7i76ed first. This using a configuration wizard or a HAL.
Is it clear to do this on LinuxCNC or will this be very difficult as I have no experience with this at all. Or do you know of a good website, Youtube video where I can follow this?
My VFD is the mitsubishi fr-d700: docplayer.nl/docs-images/50/26420363/images/26-0.png
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24 Apr 2021 23:43 #206974
by andypugh
Replied by andypugh on topic VFD TO 7I76ED
You should start with the PncConf wizard (you can do this before the 7i76 arrives).
linuxcnc.org/docs/2.8/html/config/pncconf.html
The 7i76 has a built-in digital potentiometer, so you would connect the 7i76 spindle control pins to pins 5, 2 and 5 on the VFD.
You need to set the VFD up for anlogue input speed control, and also (if possible) for the "2 button" mode, ie one input for on/off and another for fwd/reverse as the 7i76 has dedicated outputs to drive these too.
A stepper-controlled lathe with a VFD is a very standard setup, it should all be rather easier than you seem to be anticipating.
linuxcnc.org/docs/2.8/html/config/pncconf.html
The 7i76 has a built-in digital potentiometer, so you would connect the 7i76 spindle control pins to pins 5, 2 and 5 on the VFD.
You need to set the VFD up for anlogue input speed control, and also (if possible) for the "2 button" mode, ie one input for on/off and another for fwd/reverse as the 7i76 has dedicated outputs to drive these too.
A stepper-controlled lathe with a VFD is a very standard setup, it should all be rather easier than you seem to be anticipating.
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28 Apr 2021 13:06 #207306
by teebee
Replied by teebee on topic VFD TO 7I76ED
I tried to run the PncConf wizard. I don't know where to get the information out of the PncConf to switch the VFD. There is very little information on this card how to connect it. I have set the VFD up for anlogue input speed control.
"The 7i76 has a built-in digital potentiometer, so you would connect the 7i76 spindle control pins to pins 5, 2 and 5 on the VFD."
What pins are these on the Mesa card?
This is what I have so far:
"The 7i76 has a built-in digital potentiometer, so you would connect the 7i76 spindle control pins to pins 5, 2 and 5 on the VFD."
What pins are these on the Mesa card?
This is what I have so far:
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28 Apr 2021 14:47 #207307
by PCW
Plus you will need to program the VFD for ENA/DIR mode instead of FWD/REV mode
Replied by PCW on topic VFD TO 7I76ED
7I76E TB4 VFD
1 SPINDLE- 5
2 SPINOUT 2
3 SPINDLE+ 10
4 NC
5 SPINDLE ENA- SD
6 SPINDLE ENA+ STF
7 SPINDLE DIR- SD
8 SPINDLE DIR+ STRPlus you will need to program the VFD for ENA/DIR mode instead of FWD/REV mode
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28 Apr 2021 15:34 - 28 Apr 2021 15:34 #207311
by andypugh
Replied by andypugh on topic VFD TO 7I76ED
Last edit: 28 Apr 2021 15:34 by andypugh.
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28 Apr 2021 15:35 #207312
by teebee
Replied by teebee on topic VFD TO 7I76ED
Okay I will. Thanks for all the answers.
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28 Apr 2021 15:42 #207313
by teebee
Replied by teebee on topic VFD TO 7I76ED
Yes I have viewed this manual. But couldn't get it out of there either.
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