User Manual
Table Of Contents
- 1756-UM532A-EN-P
- Important User Information
- Table of Contents
- Purpose of This Manual
- Preface
- 1756-DH485 Module Overview
- Overview of the DH-485 Network
- Introduction
- DH-485 Network Description
- DH-485 Network Protocol
- DH-485 Token Rotation
- DH-485 Network Initialization
- Devices that Use the DH-485 Network
- 1747-AIC Isolated Link Coupler for DH-485
- 1761-NET-AIC Advanced Interface Converter Product Overview
- Operating Modes
- Device Compatibility
- Misconception about the 1761-NET-AIC Converter
- 1747-UIC USB to DH-485 Interface Converter
- Example System Configuration
- Important Planning Considerations
- Additional Resources
- Use Data Highway 485 Network
- Use RSLinx Software to Create a Routing Table
- Communicate from an SLC 5/03 Controller to a Logix Controller over a DH-485 Network
- Communicate Between SLC Controllers over DH+ and DH485 Networks
- Communicate Between a PLC-5 Controller and a Remote SLC 5/03 Controller over Multiple DH-485 Networks
- Communicate from an SLC 5/05 Controller to an SLC 5/03 Controller over an EtherNet/IP Network
- Communicate to a SLC 5/03 Controller on a DH-485 Network
- Communicate from a Logix Controller to an SLC 5/03 Controller over EtherNet/IP and DH-485 Networks
- Specifications
- Troubleshoot the 1756-DH485 Module
- Index
- How Are We Doing?
- Rockwell Automation Support
- Backcover

Publication 1756-UM532A-EN-P - May 2006
2-8 Overview of the DH-485 Network
Example System
Configuration
Below is an example of a DH-485 network.
Example DH-485 Network System Configuration
Personal Comput er
1747-AIC
SLC 500 20-Point Fixed
Controller with 2-Slot
Expansion Chassis
SLC 500 Fixed Co ntroller
1747-AIC
ControlLogix Controller and 1756-DH485
Communications Modu le
1747-AIC
SLC 5/01 Modular Controller
DH-485 Network
max. length 1219 m (4,000 ft)
Data Table
Access
Module
SLC 500 20-Point
Fixed Controller
1747-AIC
1761-NET-AIC
Advanced Interface
Converter
SLC 5/02 Modular Controller
1747-AIC
Isolated
Link
Coupler
1747-UIC
Interface
Converter
Personal Computer
SLC 5/03, 5/04, or 5/05
Modular Controller
1761-NET-AIC
PanelView
44138