Re: [Emc-users] 6 stepgens on 5i25/7i76

2013-12-09 Thread Andrew
2013/12/9 andy pugh https://mail.google.com/mail/u/0/?view=cm&fs=1&tf=1&to=bodge...@gmail.com> > > There are ttl-level stepgens on the second port (the header on the > 5i25) with the 2x7i76 firmware. > > Really. Thanks! First I'll try to use 6 software stepgens via parport. If too slow or jerky I

Re: [Emc-users] 6 stepgens on 5i25/7i76

2013-12-09 Thread andy pugh
On 9 December 2013 11:54, Andrew wrote: > Is it possible to control 6 steppers with a single 7i76? There are 5 > step/dir outputs, and I guess that IO pins are not meant for high step > rate... The IO pins are serial addressed, in the servo thread. > The drives need TTL input, not differential.

[Emc-users] 6 stepgens on 5i25/7i76

2013-12-09 Thread Andrew
Hello! Is it possible to control 6 steppers with a single 7i76? There are 5 step/dir outputs, and I guess that IO pins are not meant for high step rate... The drives need TTL input, not differential. I could try to connect them directly to 5i25. Is there a firmware to support this (on a single con