User manual

Publication 1768-UM001C-EN-P - November 2007
86 Develop Motion Applications
Make the Controller the
Master Clock
You must make one module in the chassis the master clock for motion control.
This module is called the coordinated system time (CST) master. The motion
modules set their clocks to the CST master.
In most cases, make the controller the CST master.
To make the controller the master clock for a motion control application,
perform this procedure.
1. In the Controller Organizer of RSLogix 5000 programming software,
right-click your controller and choose Properties.
The Controller Properties dialog appears.
2. Click the Date/Time tab.
3. Click Make This Controller the Coordinated System Time Master.
4. Click OK.