blocks (FB [...] condition or error [...] Done , xBusy , xError

errors in the FB [...] errors to be displayed [...] reacts with an error

0009 Error information [...] to global data via FB [...] to program/fb variables

the runtime system error code (see CmpErrors [...] down with FB MC

(FB, PRG, FUNC [...] errors will result [...] .GetCurrent(); An compile error message