Rockwell Automation 2706-M1 MESSAGEVIEW 421 SER.A INSTALLATION DATA User Manual

Installation data, Description equipment setup

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Publication 2706-5.1

MessageView 421 Display

Terminals Series A: RSĆ232

Port Adapter

(Part No. W77128-144-52)

The RS-232 Port Adapter is connected to the RS-232 port of a
MessageView terminal Series A. It transforms the terminal into a
standard DCE device. Once installed, it may be left on the terminal
port.

Note: Cable pinouts shown in the MessageView user manual reflect
the terminal’s actual RS-232 port pinout without the RS-232 Port
Adapter installed.

A communication cable

to the male end

is connected

З

З

З

ЗЗ

ЗЗ

З

ЗЗ

Connect the female end

to the MessageView

terminal’s RS-232 port

RS-232 Port Adapter

The RS-232 Port Adapter is included with your terminal.
Replacement Part No. W77128-144-52.

Series A MessageView terminals, 421F, 421N or 421D, have an
RS-232 port accessed from the bottom.

Back View

Bottom View

RS-232 Port

RS-232 Port

Installation Data

Description

Equipment Setup

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