After your suggestion didn’t fix the problem and much debugging it turns out that my problem was motor to driver wiring. The Berger Lahr steppers have terminals in a semi-circle labeled 1,2,3,4,5,6,7,8,9,0. Why would one assume that that 0 is 10? Never assume…as that saying goes :-)
-Tom > On May 4, 2015, at 8:41 PM, Peter C. Wallace <p...@mesanet.com> wrote: > > Just to make sure its not a current drive issue, can you try connecting the > step and dir signals to the 7I85S such that the 7I85S sinks current to drive > the OPTO? The current batch of 7I85S's sink current better than source so you > would connect the OPTO + to 5V and OPTO- to 7I85S output to get maximum drive ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
