PropVal : REAL; END_VAR IF NOT [...] .CmpBACnet.IEC_BACNET_PROPERTY_ID.PROP_PRESENT_VALUE, nIndex:= -1); END [...] PropCancelCnt + 1; END_IF END

BACnet.IEC_BACNET_PROPERTY_ID; rVal : REAL; END [...] ) ); END_VAR BACreal

: TASKPRIO_NORMAL_END (159

到达文件末尾，则 End Of File 返回