The R2040 should be able to control a plain 3 phase induction motor with an encoder based on the limited info I have on the drive now. I, like the rest of you am waiting for the documentation. As I said,I don't expect it will be snappy like a normal DC servo drive and servo motor, but I have seen a similar application where a similar setup was used to index a lathe spindle to drill spoke holes for motor cycle rims. When the motor positioned the spindle, the lathe applied a braking system to keep the position stable while the drilling was done.
Someone else asked whether the R2030's (for brushless motors with hall commutator feed back) are in stock. I have a few in stock right now. I have sold a lot of them this spring and only have good feed back on them, with one drive failure. I don't know why it failed, but we replaced it under warrantee as usual. I haven't heard when I can expect more once the present stock is depleted. Vladimir is trying to get several different drives into production right now.
Tom Eldredge
Rutex LLC
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
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