Allen-Bradley ControlLogix 1756-DH485, User Manual, Page: 9 / 110

1 Publication 1756-UM532A-EN-P - May 2006
Chapter
1
1756-DH485 Module Overview
Introduction
This chapter describes the 1756-DH485 module, and what you must know and
do before you begin to use it.
What the Module Does
The 1756-DH485 module supports the following types of communication:
•
Data Highway 485 (DH-485) Messaging
•
Connectivity to two separate DH-485 networks in one module
•
Common Industrial Protocol (CIP) Messaging
Module Requirements
The following are required for using the 1756-DH485 communication
module:
•
RSLinx Software, version 2.41 or later
•
Node address within the range of 0-31
•
AIC+ link coupler (1761-NET-AIC) communications adapter
•
Compatible with SLC 5/03 controllers or later
For See
What the Module Does 1-1
Module Requirements 1-1
Module Features 1-2
Prevent Electrostatic Discharge 1-3
Removal and Insertion Under Power 1-4
Typical Applications 1-5
Remote Messaging 1-7
Routing Limitations 1-8