F_BACnet_RealNothing : DWORD

F_BACnet_RealNothing : DWORD 1:
expand
F_BACnet_RealNothing : DWORD 2:
collapse

F_BACnet_RealNothing : DWORD 3:

Application

Function returns the floating-point value "Not aNumber", encoded as DWORD. Process data of property Present_Value of AnalogValue and output objects, which are described with the encoded value Nothing, are not processed by the BACnet stack from Revision 12 (Nothing → do-nothing state).

Return value: "Not a number" or #QNAN (0x7FFFFFFF).