Procedures
3-2-11 Checking the Size of the Function Block Definition
3-2-12 Compiling Function Block Definitions (Checking Program)
FB Instance Viewer
When nesting, this area shows
the nesting level relationship
between instances (function block
definition names in parentheses).
The higher-level is the calling
block and the lower-level is the
called block.
Also, if there are array variables
or timer/counter variables, they
are displayed just below the
instance.
CX-Programmer can be used to check the size of the function block definition
being created using a similar method to checking the program capacity. The
procedure is as follows:
1. Select Memory View from the View Menu.
2. The function block definition size and number of function block definitions
will be displayed in the Memory View Dialog Box as shown below.
• The Used #, Free #, and Max # fields under Function Block refer to the
number of function block definitions.
A function block definition can be compiled to perform a program check on it.
Use the following procedure.
The variable names, data types,
addresses (allocated internal
addresses), and comments are
displayed for variables used in
the active instance selected in
the directory tree in the area on
the left.
Section 3-2
Note: Variables can be
registered by dragging and
dropping them in the Watch
Window.
107
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