of names (symbolic variables). You can use a simple name

of function blocks . Using [...] VarReceiver function block is used [...] of VAR_EXTERNAL <name

. Using the function [...] VAR_INPUT ) Name [...] Name Data Type

should not be used stand [...] _INPUT Name Data Type [...] _OUTPUT Name Data Type

should not be used stand [...] _INPUT Name Data Type [...] _OUTPUT Name Data Type

_INPUT Name Data Type [...] _OUTPUT Name Data Type [...] which uses a signal

-stage interlock. It is used [...] _INPUT Name Data Type [...] _OUTPUT Name Data Type

/Os are used [...] /Os are used in the safety [...] This data is used

This FB is used [...] also be used [...] _INPUT Name Data Type

. Name Data Type [...] _OUTPUT Name Data Type [...] which are not used for mode