Rockwell Automation 1756-DMF30 ControlLogix Drive Module - Manual (Page 25)

Publication 1756-UM522B-EN-P - February 2003
Drive Comm (Drive Communication) 2-3
Figure 2.1 Drive Communication Timing
Synchronization with CST
Synchronization to Coordinated System Time (CST) is not necessary to
synchronize Drive Communication between the Drive Module and the
PMI processor. However, if the Drive Module is synchronized to the
CST, Drive Communication will also synchronize to the CST.
Chapter Summary and
What’s Next In this chapter, you learned about Drive Communication. For more
information on Drive Module features see Chapter 3, Drive Module
Features.
Velocity Loop Update
Position Loop Update
Set Point Data to PMI
Feedback Data
to Drive Module
4 mS