EtherCat VFD suggestions?

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23 May 2020 23:30 - 23 May 2020 23:31 #168745 by jhandel
Howdy all, I am working up a bit of an electronics retrofit for my CNC replacing the Adtech controller and most of the electronics with LinuxCNC and Ethercat..

I have about 95% of things worked out, digital IO, axis drives, so forth..

however, I am a little gray on best VFD for my Servo Spindle.. Its a 3.7kw AC 220v servo spindle with encoder runs at 8000 RPM (plate picture included)..

Looking for suggestions on how to control it.. Current VFD does have MODBUS but its a "insert random chinese brand" SINEE EA200 so documentation is, well its there. and it is currently wired up as a spindle with my current controller so not through any industrial automations.. just pins out/pins in.

Kind of wondering if people just get a big servo driver or if they stick with VFD drivers even though this thing needs positional control (rigid tapping), orienting (for tool changing), and of course sustaining a pre defined RPM and stopping fast when needed ;-)..

Wiring up a VFD is no biggy, but how ethercat comes into the mix is where I get confused and figured I would ask the community.

Thanks all
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Last edit: 23 May 2020 23:31 by jhandel.

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25 May 2020 05:56 #168846 by bbsr_5a
Replied by bbsr_5a on topic EtherCat VFD suggestions?
if you got modbus on the spindle control and using Linuxcnc
why not considdering the USB variant to fully controll the spindle system

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25 May 2020 13:35 #168868 by jhandel
Replied by jhandel on topic EtherCat VFD suggestions?
So don't try to find a VFD/Servo Driver that supports Ethercat, and let the VFD run off a separate bit of hardware?

Is MODBUS fast enough for rigid tapping?/Step Direction... Which is a mode I currently have with spindle and the industrial control I am getting rid of?

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