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1. PLC Development Environment Using GX Developer
1.3 Developing PLC Programs
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(5) Statements and notes
GX Developer allows a PLC program to be commented (with interlinear statements and notes).
They are available in two types: integrated and peripheral.
Integrated type : Can be downloaded together with a ladder program to the CNC
controller.
Peripheral type : Cannot be downloaded.
The integrated type cannot be used with the C64 series. If it is used, a PLC program cannot be
transferred to the CNC properly.
Do not use integrated type interlinear statements and notes.
Create the message data as the integrated type statement.
(6) File name
Inside the C64 series, PLC-related data are controlled and stored in the following categories.
Therefore, they are also developed in the same categories.
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CAUTION
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If the data transferred does not follow the following file name rule, the NC will
mistake it for another data, resulting in unexpected operation, e.g. PLC
program erasure.
M1
Extensions .... Automatically attached with the GX Developer
(expresses file classification)
When data is transferred by GX Developer, its data type is distinguished by the file name.
An extension indicates a file type, and the first two characters denote a data type and a language
type.
File name can be specified within eight characters including data classification and language
classification freely with the exception of the extension.
File name rule
WPG or WCD
xxxx.
Random file name .... User free designation
Data classification and language classification
(M1: Message 1st language)
.... user fixed
designation
(Note) File name that is not permitted.
The following characters at the head of file name are reserved for CNC side.
Do not use the file name of these characters combination.
Data classification
Language classification
: "M", "C", "H" (alphabet)
: "0" to "9" (number)