o.k. I forgot to mention that this is for the mini mill (my first conversion attempt) and that the drive boards on the Centroid Controller has opto isolators already on the board. There is no spindle control other than a relay to turn the motor on or off. If I want the motor to go in the other direction, I manually flip the switch the other way. The controller does understand M03, M08, M02 and M09 to turn the motor on / off and if I had a coolant system, it would turn that on and off as well, but through external relays which I had to fabricate. I did go to the one web site suggested by Kirk Wallace, (thank you sir) I really do appreciate any suggestions. Thanks, Martin ------------------------------------------------------------------------------ Join us December 9, 2009 for the Red Hat Virtual Experience, a free event focused on virtualization and cloud computing. Attend in-depth sessions from your desk. Your couch. Anywhere. http://p.sf.net/sfu/redhat-sfdev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
