Action: CompareVariable [...] compares a variable with a value. Call :

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

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

Network Variable [...] : Some variables [...] variables

variable value : [...] the variable to the value [...] Action: ForceVariable

Action: WriteVariable [...] writes the value of a variable one time. Call

Action: ReadVariable [...] reads a variable [...] When reading a variable

Network Variable [...] variable list (Sender [...] network variable list

Variable Connection [...] of variables from the safety [...] Then the selected variables

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