On 11 August 2018 at 21:41, jeremy youngs <jcyoung...@gmail.com> wrote:
> 7i49, budget don't allow for it for a few weeks . I am busy in the shop
> with big jobs , yes I have contemplated the 7i49 . Can the communication
> signal be derived from the 7i49 ? If so then it's likely that will be my
> eventuality.

Yes, in "a" mode the bldc component can be used to convert resolver
angle to commutation signals.

Did your motor and drive start off life together? If so, I would
expect the resolvers to connect to the drive and for the drive to use
the resolvers for commutation.

> Correct me if I'm wrong been hashing docs in my spare time.
> 1 open terminal , start hal session
> 2 load bldc n qhi ??

Not QHI if you don't have Hall sensors.

> I seen an 8i20 confirmation on the forum , could I start with that ,
> globally replace 8i20 with 7i90 ?

No, the 8i20 is a motor driver, the 7i90 is an IO card.

"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
— George Fitch, Atlanta Constitution Newspaper, 1916

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