Creating A User-Defined Tag Fb - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Creating a user-defined tag FB

The following shows the procedure to create a user-defined tag FB.
Operating procedure
(5)
(6)
A tag access FB available in a user-defined tag FB differs depends on the tag type. For the available tag
access FBs, refer to the following.
Page 585 Correspondence table of tag types and tag access FBs
1.
Create a new function block.
2.
Set the items of "Program Configuration" as
follows on the "New Data" window.
(1)
(1) Select "FBD/LD".
(2)
(2) Select "Yes".
(3) (3) Select a tag type.
3.
Create a program in a user-defined tag FB by
combining tag access FBs, standard functions,
or standard FBs.
4.
Declare an instance of the user-defined tag FB
on the "Tag FB Setting" window. Select the
"User-defined FB" tab on the "Select Tag FB
Type" window, and select the user-defined tag
FB (4).
5.
Enter a tag name (5) and click the [Apply]
(4)
button.
6.
In a FBD/LD program for process control,
select an instance of the declared user-defined
tag FB. Drag and drop it to the desired point on
the FBD/LD editor (6).
2 PROCEDURE BEFORE USING PROCESS CONTROL FUNCTION BLOCK
2.4 Editing an FBD/LD Program for Process Control
2
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