On 04/11/2018 01:01 AM, David Berndt wrote:
Wondering if anyone had any preference/experience/advise
to share with single phase capable larger servos. I'm
looking at an application for a 3 to 5hp motor with a vfd,
but if I could just get a servo to fill in that'd be nice.
Gear reduction will be required, but something with more
torque, needing less reduction will make things easier.Say
~500rpm as a goal maximum output.
I see things like Fanuc red cap servos (ai series?
pulsecoder encoder) 2.5kw kicking around ebay. Driving
something like that would seem to be the challenge?
Well, I have used the Fanuc "Red Cap" motors. The motors
are awesome. The encoders are proprietary, but I (Pico
Systems) have converters that handle most types, and give
standard quadrature plus Hall signals.
My brushless PWM servo amps will handle motors up to about 2
Hp, but a number of other servo amp makers can handle larger
motors once the encoder signals are converted to
industry-compatible signals.
Jon
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