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 200 6
Overview of the DH-485 Network 2-3
Devices that Use the
DH-485 Network
Presently, the following SLC 500 devices support the DH-485 network:
Devices that Use the DH-485 Network
Catalog Number Description Installation
Requirement
Function Publication
1756-DH485 ControlLogix DH485
Communication
Module
ControlLogix
Chassis
Bridge DH485 messages in ControlLogix. 1756-UM532
1747-Lxxx SLC 500
Programmable
Controllers
SLC Chassis Programmable controllers. 1747-UM011
1747-KE DH-485/DF1
Interface Module
SLC Chassis Provides a non-isolated DH-485 interface for
SLC 500 devices to host computers over RS-232
using full- or DF1 half-duplex protocol. Enables
remote programming to an SLC 500 controller or the
DH-485 network through modems. Ideal for low cost
RTU/SCADA applications.
1747-IN006
1747-UIC USB to DH-485
Interface Converter
Standalone Provides connection to personal computer’s USB port
and features an RS-232 and an RS-485 port for
connection to SLC 500 controllers.
1747-IN063
1747-AIC Isolated Link Coupler Standalone Provided connection to SLC 500 family devices to the
DH-485 network. The coupler provides a 6-position
removable terminal block for connection to the
DH-485 communication cable.
1747-UM011
1761-NET-AIC Advanced Interface
Converter
Standalone Provides a communication link between various
networks devices.
1761-UM004
1770-KF3
(1)
DH-485/DF1
Interface Module
Standalone, or
desktop
Provides an isolated DH-485 interface for SLC 500
devices to host computers over RS-232 us ing full- or
DF1 half-duplex protocol. Enables remote
programming to an SLC 500 controller or the DH-485
network through modems.
1770-6.5.18
1785-KA5 DH+/DH-485
Gateway
(1771) PLC
Chassis
Provides communication between stations on the
PLC-5 (DH+) and SLC 500 (DH-485) networks. Lets
communication and data transfer from PLC to SLC
500 on DH-485 network. Also enables software
programming or data acquisition across DH+ to
DH-485.
1785-6.5.5
1785-1.21
1785-KA5P Standalone
1784-KTX, 1784-KTXD PC DH-485 Interface
Card
ISA Bus Provides DH-485 or DH+ connection. 1784-6.5.22
1784-PCMK PCMCIA Interface
Card
PCMCIA slot in
computer
Provides DH-485 or DH+ connection. 1784-6.5.19
1761-L
1762-L
1763-L
1764-L
MicroLogix
Programmable
Controllers
Standalone Programmable Controllers 1761-UM003
1762-UM001
1763-UM001
1764-UM001
1756-L
1769-L
1794-L
Logix Programmable
Controllers
1756 Chassis or
DIN Rail
Programmable Controllers 1756-UM001
1769-UM011
1794-UM001