. VAR_INPUT Name [...] which requests safety Variable [...] _OUTPUT Name Data Type

. VAR_INPUT Name [...] _OpMode SAFEBOOL FALSE Variable [...] _Acknowledge SAFEBOOL FALSE Variable

_INPUT Name Data Type [...] _OutControl SAFEBOOL FALSE Variable [...] FALSE Variable

and exchange variables (see [...] or output variables [...] input variables

in the device list) Name Name [...] for variable exchange :

the Variable Declaration [...] the name of the POU [...] variable

_INPUT Name Data Type [...] . Variable FALSE : ESPE [...] _OUTPUT Name Data Type

VAR_INPUT ) Name [...] Name Data Type [...] (variables mapped

_EXTERNAL <device name>: FSo [...] _INPUT Name Data Type [...] FSoE name

has an identifier (instance name [...] variables. Function block [...] in the name and comment