Plc Message Development; Adding Plc Messages - Mitsubishi Electric M800VW Series Manual

Plc development

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Table of Contents

M800V/M80V Series PLC Development Manual

5 Peripheral Development Environment (GX Works2)

5.8 PLC Message Development

This section describes how to develop PLC messages such as alarm messages, operator messages, and PLC switches as

PLC-related data.

Refer to "PLC Programming Manual" on how to display a PLC message on HMI screen.

PLC messages can only be created using ladder diagram. It cannot be created in ST language. To use PLC messages in the

sequence program created in ST language, it must be written by using some text editor. Otherwise, use a PLC message

created in ladder diagram.

For the user safety sequence, PLC message function cannot be used.

There are two ways to add PLC messages as shown below.

[Writing PLC messages on the standard screen]

Development procedure

Create PLC messages on Text Editor

Write PLC messages

[Writing PLC messages on GX Works2]

Development procedure

Create PLC messages on Text Editor or

Write PLC messages

PLC messages are written directly to built-in ROM when GX Works2 is used. Writing to ROM is not required.

(1) PLC messages are written as different types of files by either way described above. When a PLC message is in both files,

the one written on the standard screen is used first.

Develop PLC messages.

Transfer PLC messages to CNC con-

troller from HMI screen.

Develop PLC messages.

Transfer PLC messages to built-in ROM

using GX Works2

5.8.2 Developing on Standard Screen

5.8.6 Development Procedure Using

5.8.10 Writing CNC Controller on GX

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