Rockwell Automation 1756-NEX Nexus Module - Manual (Page 27)

Publication 1756-UM524B-EN-P - December 2008
Chapter
3
About the NeXUS Network
What This Chapter Contains
This chapter provides a brief overview of the NeXUS network. The following table
describes what this chapter contains and where to find it.
Protocol Structure
The NeXUS network is a TCP/IP over Ethernet type LAN with a manufacturing message
transfer protocol, known as NeXUS, on top, as shown in the table below. This protocol is
known as the Autonomous Decentralized Protocol, or ADP.
For information about this topic: See page:
Protocol Structure 3-1
Supported Services 3-2
Network Organization 3-3
Supported ADP Message Types 3-4
Configuration Requirements 3-4
For More Information 3-8