is an extension of the IEC [...] local variable [...] global variable

all IEC [...] to these IEC operators [...] some non-IEC

is an extension of the IEC [...] variable or data type [...] ( <variable> ); Example 99

keyword in the IEC [...] as the name of a variable [...] Rename the variable

In the programming, a variable [...] . Accordingly, variable names [...] of the variable is determined

The IEC operator [...] variable1> := <value>, <input variableN> :=

of the controller to variables [...] of the application. <device> IEC [...] from the IEC application

_VAR Variable declaration [...] _VAR Boolean variable [...] : For Boolean variables, one

The IEC operator yields [...] for input variables [...] for output variables: REAL

variable in a [...] the variable throughout [...] variables, or on changing