Declaring A Tag Fb (Tag Fb Setting) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

2.3

Declaring a tag FB (Tag FB Setting)

Declare a tag FB to be used in an FBD/LD program for process control.
Operating procedure
(1)
After declaring a tag FB, FB instances and tag data are automatically registered to the global label. The related function
blocks and structures of tag data are also automatically registered to the navigation window.
Precautions
Before deleting a process control function block type, a tag data structure type, or a user-defined tag FB type, search the
function block type and the structure type to be deleted with Find String and check that they are not used in the project.
Deleting these data without checking may cause an error in the project.
(2)
(3)
2 PROCEDURE BEFORE USING PROCESS CONTROL FUNCTION BLOCK
1.
Click the "Tag FB Setting" button (1) on the
toolbar to display the "Tag FB Setting" window.
When the "Tag FB Setting" button is not displayed on the toolbar,
click [View]  [Toolbar]  [Process Control Extension].
2.
Click (2) on the "Tag FB Setting" window to
display the "Select Tag FB Type" window.
3.
Select a data type of the tag FB to be used on
the "Select Tag FB Type" window.
4.
Click the [OK] button.
5.
Enter "Tag Name" (3).
6.
Click the [Apply] button.
2.3 Declaring a tag FB (Tag FB Setting)
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