F_BACnet_RealNull : DWORD

F_BACnet_RealNull : DWORD 1:

Application

Function returns the floating-point value "Not aNumber", encoded as DWORD. This can be used for deleting priority entries in the Priority_Array of an Analog_Value or Analog_Output object.

Return value: "Not a number" or #QNAN (0x7FFF0000).