On 10/20/2020 02:29 AM, Roland Jollivet wrote:
Also, if I want to ditch the controller at a later stage, are the Fanuc
servo drives interfaceable to EMC?
Can you say what servo amps you have? The oldest Fanuc had
standard analog velocity servos, but instead of a DC
tachometer, they synthesized the tach signal from the
encoder. Some machines had the tach in the motor but didn't
use it, so it could be set up to use the existing tach.
This applies to the brush motor (yellow cap) series.
Later units had brushless motors (red cap) and the servo
amps were supplied 6 separate PWM signals, one for each
transistor. That uses up a lot of PWM outputs.
Jon
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