Data Specifications; Data Category - Mitsubishi Electric MELSEC iQ-R Series User Manual

2.4

Data Specifications

This section shows the specifications of data category and data type handled by an MES interface module.

Data category

The following shows the data category handled by an MES interface module.
Function
Data
(Entity)
Data
(No entity)
MES Interface
Function Configuration
Tool
*1 Not used for access when selecting "Direct DB Connection" for "Access Type."
Page 43 Direct DB connection
Data category
Device tag component
Variable
Constant
Macro
Access field
Access procedure argument
DB field
DB procedure argument
2 SPECIFICATIONS
44
2.4 Data Specifications
Database
DB field
SQL statements
Access field
Constant
Macro
Description
Data associated with data in an access target device such as a CPU module
Data used for storing the operation result in an MES interface module.
• Local variable: Used for sending and receiving data between operations in a same
action, and actions in a same job.
• Global variable: Used for sending and receiving data between jobs.
• System variable: Used for retaining system information and controlling hardware.
A value set in MES Interface Function Configuration Tool
A special value set in MES Interface Function Configuration Tool.
Since any value is not determined at the setting, MES Interface Function Configuration
Tool specifies a macro name not a value.
Data associated with the DB field.
A concept used for checking the setting, and it has no entity.
Data associated with the DB procedure argument.
A concept used for checking the setting, and it has no entity.
A data component stored in a table and view in the database.
It is associated with the access field.
An argument of a stored procedure defined in the database.
It is associated with the access procedure argument.
DB connection service*1
SQL execution result
DB input/output function
Information linkage function
Device tag component
Device memory input/output function
Target device
*2
DB procedure argument
Access procedure argument
Variable
Variable input/output function
MES interface module
Reference
Page 49 Device tag
component or variable
Page 50 Constant
Page 51 Macro
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