Feedback is generated from an increamental encoder, 1024 p/rev bidirectional.
The drive is part of a paper converting line and is the slave in a master/slave control set up. So speed control is via analogue input signal -10v - 0v - 10v.
The fault again has gone into hiding and has not appeared...
We are currently suffering a reoccuring problem where a section of our machine runs backwards when requested to jog or run. This problem is reoccuring but happens once and then machine will run without fault for long periods of time.
Drive controlling section is a ABB DCS 500
We have set up...
