Jon Elson wrote: > Stephen Wille Padnos wrote: > >>Jon Elson wrote: >> >> >> >>>With the Gecko drive, the encoders are powered off the Gecko, >>>and there could be noise issues with trying to hook the index >>>signal to the USC board. I suppose you could use an >>>opto-isolator to send the index signal to the USC. >>> >>> >> >>Fortunately, I have a Pico Systems Gecko Servo Interface ;) > > Ahh, I forgot you had one of those. I will have to attack the > USC code, and see if I can do some quick tests first. I have updated the Universal Stepper Controller firmware to be the same as what I'm using on the PPMC encoder board. I have tested it (without the linear axis feedback) with the threading.ngc program, and watched the encoder signals and position on halscope, and everything seemed to be perfect. So, I am reasonably confident that both the spindle sync and homing with index pulse functions are working correctly with the latest driver.
I'm going to get an EPROM out to Steve so he can test it on his machine. If anyone else needs to home to the index pulse, or wants to do lathe threading, let me know and I can make an EPROM for you. Jon ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
