Most Dynalogic 4s suffer from "drive 0" failure. The full manual contains the alignment procedure using the DYNALIGN utility (which is available on the Dynalogic System Disk). It explains how to adjust the stepper motor timing without an oscilloscope.
Purpose
: Supports the connection of encoders, photocells, and proximity sensors. Installation Sequence : Install the control panel at the designated location. dynalogic 4 manual full