This Fanuc drive will be in runaway condition if it does not receive a 
velocity feedback.
It has an internal analog closed loop to track the velocity command and 
control the motor rpm.
This is why we absolutely need to derive this feedback from the 
quadrature encoder somewhere.

Frederic.

On 17/09/2016 23:02, andy pugh wrote:
> On 17 September 2016 at 20:24, Frederic RIBLE <fri...@teaser.fr> wrote:
>
>> This is why we are thinking about using mesa to implement this function.
>
> It might be enough to "fool the drive" but there really is no information
> content in that velocity signal.
>


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