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Dh-485 configuration parameters, Recommended tools, Dh-485 communication cable – Rockwell Automation 1764-xxxx MICROLOGIX 1500 PROGRAMMABLE CONTROLLERS User Manual

Page 80

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Publication 1764-UM001B-EN-P - April 2002

4-12 Communication Connections

DH-485 Configuration Parameters

When MicroLogix communications are configured for DH-485, the
following parameters can be changed:

See Software Considerations on page E-10 for tips on setting the
parameters listed above.

Recommended Tools

To connect a DH-485 network, you need tools to strip and attach the
shielded cable. We recommend the following equipment (or
equivalent):

DH-485 Communication Cable

The communication cable consists of a number of cable segments
daisy-chained together. The total length of the cable segments cannot
exceed 1219 m (4000 ft). However, two segments can be used to
extend the DH-485 network to 2438m (8000 ft). For additional
information on connections using the AIC+, refer to the Advanced
Interface Converter (AIC+) User Manual,
publication 1761-6.4.

Table 4.4 DF1 Full-Duplex Configuration Parameters

Parameter

Options

Baud Rate

9600, 19.2K

Node Address

1 to 31 decimal

Token Hold Factor

1 to 4

Table 4.5 Working with Cable for DH-485 Network

Description

Part Number

Manufacturer

Shielded Twisted Pair Cable

#3106A or #9842

Belden

Stripping Tool

45-164

Ideal Industries

1/8” Slotted Screwdriver

Not Applicable

Not Applicable