Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Gene Heskett
On Wednesday 09 September 2020 13:41:53 Jon Elson wrote: > On 09/09/2020 12:16 PM, Gene Heskett wrote: > > On Wednesday 09 September 2020 12:38:43 Jon Elson wrote: > >> On 09/09/2020 11:08 AM, Gene Heskett wrote: > >>> Is it possible to get an enable signal, per axis, from the mesa > >>> cards

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Gene Heskett
On Wednesday 09 September 2020 13:41:53 Jon Elson wrote: > On 09/09/2020 12:16 PM, Gene Heskett wrote: > > On Wednesday 09 September 2020 12:38:43 Jon Elson wrote: > >> On 09/09/2020 11:08 AM, Gene Heskett wrote: > >>> Is it possible to get an enable signal, per axis, from the mesa > >>> cards

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Gene Heskett
On Wednesday 09 September 2020 12:54:45 andy pugh wrote: > On Wed, 9 Sep 2020 at 17:10, Gene Heskett wrote: > > Is it possible to get an enable signal, per axis, from the mesa > > cards that would become true, hopefully a couple micky-secs ahead of > > the first stepper pulse so no missed steps

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Jon Elson
On 09/09/2020 12:16 PM, Gene Heskett wrote: On Wednesday 09 September 2020 12:38:43 Jon Elson wrote: On 09/09/2020 11:08 AM, Gene Heskett wrote: Is it possible to get an enable signal, per axis, from the mesa cards that would become true, hopefully a couple micky-secs ahead of the first

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread N
> On 09/09/2020 11:08 AM, Gene Heskett wrote: > > Is it possible to get an enable signal, per axis, from the mesa cards > > that would become true, hopefully a couple micky-secs ahead of the first > > stepper pulse so no missed steps would normally occur, losing its home, > > and go back false

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Gene Heskett
On Wednesday 09 September 2020 12:38:43 Jon Elson wrote: > On 09/09/2020 11:08 AM, Gene Heskett wrote: > > Is it possible to get an enable signal, per axis, from the mesa > > cards that would become true, hopefully a couple micky-secs ahead of > > the first stepper pulse so no missed steps would

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread andy pugh
On Wed, 9 Sep 2020 at 17:10, Gene Heskett wrote: > Is it possible to get an enable signal, per axis, from the mesa cards > that would become true, hopefully a couple micky-secs ahead of the first > stepper pulse so no missed steps would normally occur, I would look at the "locking indexer"

Re: [Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Jon Elson
On 09/09/2020 11:08 AM, Gene Heskett wrote: Is it possible to get an enable signal, per axis, from the mesa cards that would become true, hopefully a couple micky-secs ahead of the first stepper pulse so no missed steps would normally occur, losing its home, and go back false when the last step

[Emc-users] Another possibly silly Q for Peter or Andy.

2020-09-09 Thread Gene Heskett
Greetings; I'd like to be able to use that quad pack of TB6560 based stepper drivers with these nema 17 driven harmonic drives I'm cobbling up. But, these things are dumber than a rock in that they have a 4 step current adjustment, but no provision for an idling current turndown. And at full