variables of any data [...] unit. The variables [...] ( <variable

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

Variables Symbol [...] for the variable list [...] , any variables

. The variable value [...] with Variables [...] Persistent variables

Variable: VAR_INPUT Input variables [...] _INPUT variables between the VAR

variables whose value [...] Variables Tasklocal variables are cycle

Variable: VAR_OUTPUT Output variables [...] _OUTPUT variables between the VAR

the variable values [...] Variable: VAR [...] variables are allowed

to the value of variable x [...] in Variables Important [...] variables. Using a

Current Values [...] values of the persistent variables in it