Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur télécharger pdf (Page 289)

100

101

Configuring an M1 CPU with Concept

870 USE 101 00 V.2.2

277

Changing the Protocol on Modbus Port 2

Overview

If your TSX Momentum M1 CPU is using the Modbus Port 2 provided by the 172

JNN 210 32 Option Adapter, you can specify whether it will use the RS232 or

RS485 protocol. The factory-set default for Modbus Port 2 is RS232.

Note:

If you are using the Modbus Port 2 provided on the 171 CCS 780 00

Processor Adapter, the port is hardwired as a dedicated RS485 protocol. You must

change the default setting on the Port editor screen from RS232 to RS485, or the

port will not function correctly.

Procedure

From the Modbus Port Settings dialog box, perform the steps in the following table

to change the Protocol on Modbus Port 2.



Step Action

1 Click on the down arrow under the Protocol heading.

Result:

A menu appears with the two protocol options.

2 Click on

RS232

RS485

Result:

The Modbus Port Settings dialog box is updated with the protocol you have

specified.

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Momentum Modbus Plus 170 PNT Series Guide de l'utilisateur Page 289

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