_PRG.fileListProvider // Instance of function block Visu

FUNCTION_BLOCK POU [...] 块的实现 POU FUNCTION_BLOCK [...] ChangedListener . FUNCTION_BLOCK POU

FUNCTION_BLOCK MyAlarmFB VAR_INPUT x [...] RaiseEvent : BOOL VAR_INPUT

_IN_OUT_AS_POINTER' pragma 的接口。 FUNCTION_BLOCK [...] ChangeUserLevel ： VAR_INPUT s [...] ; // user input: level s

FUNCTION_BLOCK FB_A VAR_INPUT [...] PROGRAM Sine VAR_INPUT