Available classes in the list of global variables:
Class |
Global variable list |
Local variable list |
Definition |
||
Program |
FUN |
FB |
|||
VAR_GLOBAL |
l |
Non-hold global variable |
|||
VAR_GLOBAL_RETAIN |
l |
Hold-type global variable |
|||
VAR_GLOBAL_CONSTANT |
l |
Constant global variable |
|||
VAR_EXTERNAL |
l |
l |
l |
Non-hold global variable |
|
VAR_EXTERNAL_RETAIN |
l |
l |
l |
Hold-type global variable |
|
VAR_EXTERNAL_CONSTANT |
l |
l |
l |
Constant global variable |
Available classes in POU headers (local variables):
Class |
Local variable list |
Definition |
||
Program |
FUN |
FB |
||
VAR |
l |
l |
l |
Non-hold local variable |
VAR_RETAIN |
l |
l |
Hold-type local variable |
|
VAR_CONSTANT |
l |
l |
l |
Constant local variable |
VAR_INPUT |
l |
l |
Input variable |
|
VAR_IN_OUT |
l |
l |
Input and output variable |
|
VAR_OUTPUT |
l |
l |
Output variable |
|
VAR_OUTPUT_RETAIN |
l |
Hold-type output variable |