DH-485 Industrial Local Area Network Overview

DH-485 Industrial Local Area Network Overview

Click to enlarge - SLCMicroLogixsPKTXcard_GS


DH-485 is a local area network (LAN) designed for factory-floor applications. DH-485 allows for connection up to 32 devices, including SLC 500 and MicroLogix 1000 controllers, graphic terminals, and personal computers. The DH-485 link together with auxiliary RS-232-C (DF1 protocol) links make up the DH-485 network. With RSLinx software installed on a PC, communication with other nodes on the network is possible.

Specifications

Cable type Belden 3106A
Trunkline length 4000 ft max.
Transmission rate 19.2 kbit/s max.
Medium access method token passing
  

Typical Configuration

Click to enlarge - DH485NetTypConfig_BW