Variable: VAR_EXTERNAL External variables are global variables

Variable: VAR [...] Constant Variable A [...] variable in the VAR

Variable [...] variables are declared [...] in the persistent global variable

Variable: VAR [...] _IN_OUT variable is an input/output variable, which is part

Variable: RETAIN Retain variables [...] := <initialization

Variables Caution [...] Data Type Initial [...] Writing of variables

to initialize variables [...] _on_onlchange No initialization code during a [...] , no initialization code

to initialize variables [...] . Then the variable is initialized [...] -specific initializations (example

and variables and updating [...] and variables and then rename [...] global variables

The variable is initialized [...] The lifespan of a variable [...] when the variable is created