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Wiring, Table 61 - rs 485 connections (top to bottom) – Rockwell Automation 825-P Modular Protection System for Motors User Manual User Manual

Page 132

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132

Rockwell Automation Publication 825-UM004D-EN-P - November 2012

Chapter 10 Modbus RTU Communications

Wiring

Table 61 - RS 485 Connections (top to bottom)

Pin

Pin Function

Definition

1

Dx+

Transmit Data (Positive)

2

Dx-

Transmit Data (Negative)

3

Rx+

Receive Data (Positive)

4

Rx-

Receive Data (Negative)

5

SH

Shield