User manual

45 Publication 1768-UM001C-EN-P - November 2007
Chapter 4
Manage Controller Communication
Introduction
This chapter explains how to manage controller communication.
Connection Overview
A Logix5000 system uses a connection to establish a communication link
between two devices. There are several types of connections.
• Controller to local I/O modules or local communication modules
• Controller to remote I/O or remote communication modules
• Controller to remote I/O (rack-optimized) modules
• Produced and consumed tags
• Messages
• Controller access by RSLogix 5000 programming software
• Controller access by RSLinx software for HMI or other applications
Topic Page
Connection Overview 45
Producing and Consuming (interlock) Data 46
Sending and Receiving Messages 47
Calculating Connection Use 48
Connections Example 49
Additional Resources 50