Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 80)

Chapter
6
Publication 1770Ć6.5.16 - October 1996
Application Layer Message
Packets
Read this chapter to help learn about the application layer for your
asynchronous driver and the fields that your computer uses in the
application layer of a message packet. It contains these sections:
Section Page
How Your Application Program Sends and Receives Messages 6-2
Message Packet Format 6-3