Restrictions - 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)

5.10 Creating Label

5.10.7 Restrictions

The use of label setting on M8V series CNC controller has the following considerations. Exercise caution because if these

considerations are not observed, sequence programs malfunction may result.

 Built-in edit function

Even when label setting is written to the CNC controller, labels cannot be displayed or confirmed by built-in edit functions of

 System label

The CNC controller cannot use system labels.

 Types of class

This table lists the class name that can be used in label setting on a CNC controller and the types of labels that can select

each class name. Latch type labels cannot be used.

◎ : Selectable, ×: Not selectable

VAR_GLOBAL_CONSTANT

VAR_CONSTANT

VAR_RETAIN (*1)

(*1) To use latch devices on the CNC controller, assign user areas for L device and R device in "VAR_GLOBAL", and select

latch as device set in the parameter.

(*2) Function can be selected when creating sequence programs with ST language.

IB-1501614-B

Global label assigned to device

Global label assigned to constant

Local label assigned to device

Local label assigned to constant

Latch type local label

Label used for inputting FB

Label used for outputting FB

Label used for inputting/outputting FB

Labels that can be selected

Local label for

Global label

Local label for

function block