Re-Retrofit Fadal VMC20 from Numatix to LinuxCNC 7i77D/5i25???

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5 years 10 months ago #192029 by msrdiesel
My order shipped today a 5i25/7i77D and the 7i73, hopefully I have enough pins. I may not need as much as I thought as I also bought a touch screen monitor as I plan to try probe basic for the UI.

I don't have the wiring diagram, but it looks like many of the opto 22's were for the panel buttons and controls. One is in the cabinet still already wired up to the tool changer and spindle gear change, lube pump and such (I hope).

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5 years 10 months ago - 5 years 10 months ago #193167 by JR1050
I have 4 machines running lcnc, it’s a great cost effective functional controller. I do hold it in high regard, the Numatix control is amazing. It’s insanely fast. Before you trash it, talk to the guys that the original engineer trained. The Numatix control was the brainchild of the same guy who did Sharona. His name was Gil and he passed, several l of his disciples continue with the control . Creative Evolution is one of them. The Delta tau guys can also help, that control is powered by a DT card. I owned a VMC20 for 25 years, it is severely under powered. Consider getting the Numatix up and running, that thing is more capable of anything Fanuc or Siemens offers.
Last edit: 5 years 10 months ago by JR1050.

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5 years 9 months ago - 5 years 9 months ago #194535 by bevins

msrdiesel wrote: Thank you for the response, I am considering this: Product Code: 7I77D-5I25 PNG KIT, looking for a reality check before I pull the trigger since I know nothing...Really (yet)


The 7i77 is for analog +-10 control of the drives. Are you sure it is using +-10v analog for the input into the drive?

Sorry, just noticed you ordered the boards already. Hope it works, keep us posted.
Last edit: 5 years 9 months ago by bevins.

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5 years 9 months ago #195677 by msrdiesel

JR1050 wrote: I have 4 machines running lcnc, it’s a great cost effective functional controller. I do hold it in high regard, the Numatix control is amazing. It’s insanely fast. Before you trash it, talk to the guys that the original engineer trained. The Numatix control was the brainchild of the same guy who did Sharona. His name was Gil and he passed, several l of his disciples continue with the control . Creative Evolution is one of them. The Delta tau guys can also help, that control is powered by a DT card. I owned a VMC20 for 25 years, it is severely under powered. Consider getting the Numatix up and running, that thing is more capable of anything Fanuc or Siemens offers.


Thanks for the insight, but I will not be using this machine to generate a large portion of my income.

Looking at the Creative Evolution website, shows the last update to the site alone is over 7 years ago. This is the first mention of their name to me, I know nothing of this company.

I don't want to throw my money to the wind with something that has no support, and at every turn it is more money with poor service (been there already). They give you a price, then when the work is done, it no better than it was before and they want 50% more than they quoted you to begin with. They keep the door from your controller, and the USB drive they tell you they send with setup instructions is nowhere to be found. The product may have been good at one time, but without service you have nothing.

I am a business owner as well as a consumer, so I get to see both sides of it, service and what it means to be of service. Where I come from if you don't fix the problem then you don't charge for it. Especially when the one contracted to fix the issue is supposedly the daddy of said product.

Being a technical person, I will use Linux CNC and the Mesa cards. I like learning, and also like programming, so it will make a good learning project. Who knows, I may start retrofitting more machines for resale if the conversions perform well enough. We already build common rail Diesel testing equipment from the ground up, but it is a limited market. Having something to fill the gaps that is interesting would be nice.

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5 years 9 months ago #195679 by msrdiesel

bevins wrote:

msrdiesel wrote: Thank you for the response, I am considering this: Product Code: 7I77D-5I25 PNG KIT, looking for a reality check before I pull the trigger since I know nothing...Really (yet)


The 7i77 is for analog +-10 control of the drives. Are you sure it is using +-10v analog for the input into the drive?

Sorry, just noticed you ordered the boards already. Hope it works, keep us posted.


I think I bought the right pieces, or at least certainly hope so.

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5 years 9 months ago #196355 by JR1050
I would be interested in the Numatix control if the price was reasonable. I was looking at a 4020 with one a while back, it was in Idaho and I’m in Florida, shipping was to high. I talked at length with the guy who installs them now. Yes, the original owner passed and the last time the website was updated was 7 years ago. Lemme know. As for the Fadal spindle motor, vmc 20 had a 5 HP motor which was insanely weak, maybe someone upgraded yours, if not, since you are upgrading the machine any way, you might look into it. The 5 hp motor stalls in aluminum.

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