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
Table of Conten ts iv
Chapter 10
Communicate from a Logix
Controller to an SLC 5/03
Controller over EtherNet/IP and
DH-485 Networks
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Hardware Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Create a Remote 1756-ENBT Message in RSLogix 5000 . . . . . . . . 10-3
Configure the Message. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Appendix A
Specifications
Appendix B
Troublesh oot the 1756-DH485
Module
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Check Power Supply and Module Status . . . . . . . . . . . . . . . . . . . . . . B-1
Interpret the LED Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Interpret the Alphanumeric Indicators . . . . . . . . . . . . . . . . . . . . . . . . B-3
Interpret the OK
Status Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Routing Errors in DH-485 Messaging . . . . . . . . . . . . . . . . . . . . . . . . B-4
Routing Errors in Local DH-485 Messaging . . . . . . . . . . . . . . . . B-4
Routing Errors in Remote DH-485 Messaging . . . . . . . . . . . . . . B-5
Index
Rockwell Automation Support . . . . . . . . . . . . . . . . . . . . . . . . Backcover
Installation Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . Backcover
New Product Satisfaction Return . . . . . . . . . . . . . . . . . . . Backcover