Chapter 4 Variable
4-1
Chapter 4 Variable
A user uses variables depending on a program. In general, global variable is available in every program. To
use global variable as local variable, it is necessary to declare it as EXTERNAL before use. Local variable is
available only in a designated program. Direct variable can be used in the program. In addition, a comment
can be entered to the direct variable.
4.1 Global/Direct Variable
Global/Direct variable consist of global variable, direct variable comments and flags. Global variable declares
the variable to be used for a program or displays a list of the declared variables, based on the variables.
Direct variable comment declares the direct variable comment available in a program or displays the
comment. Flag displays a list of flags provided by the declaration. Flag types are divided into system flag,
HighSpeed link flag, P2P flag and PID flag.
4.1.1 Global Variable
It declares variables and displays a list of the declared global variables.
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