BACnet object types

BACnet data types

Possible BACnet Mapping

Server Data Type	Size	Unsigned/Signed	Allowed BACnet types
BOOL	1 Bit		Binary Input Binary Output Binary Value
STR	Variable		Character String Value
CHAR	1 Byte	Signed	Analog Output Analog Input Analog Value Large Analog Value Integer Value

Possible BACnet Mapping

Server Data Type	Size	Unsigned/Signed	Allowed BACnet types
BYTE	1 Byte	Unsigned	Analog Output Analog Input Analog Value Accumulator Pulse Converter Multi-State Input Multi-State Output Multi-State Value Positive Integer Value
INT8	1 Byte	Signed	Analog Output Analog Input Analog Value Large Analog Value Integer Value
UINT8	1 Byte	Unsigned	Analog Output Analog Input Analog Value Large Analog Value Accumulator Pulse Converter Multi-State Input Multi-State Output Multi-State Value Positive Integer Value
INT16	2 Byte	Signed	Analog Output Analog Input Analog Value Large Analog Value Integer Value
UINT16	2 Byte	Unsigned	Analog Output Analog Input Analog Value Large Analog Value Accumulator Pulse Converter Multi-State Input Multi-State Output Multi-State Value Positive Integer Value
INT32	4 Byte	Signed	Analog Output Analog Input Analog Value Large Analog Value Integer Value
UINT32	4 Byte	Unsigned	Analog Output Analog Input Analog Value Large Analog Value Accumulator Pulse Converter Multi-State Input Multi-State Output Multi-State Value Positive Integer Value
INT64	8 Byte	Signed	Analog Output Analog Input Analog Value Large Analog Value Integer Value
UINT64	8 Byte	Unsigned	Analog Output Analog Input Analog Value Large Analog Value Accumulator Pulse Converter Multi-State Input Multi-State Output Multi-State Value Positive Integer Value
FLOAT	4 Byte		Analog Output Analog Input Analog Value Large Analog Value

Possible BACnet Mapping

Server Data Type	Size	Allowed BACnet types
DOUBLE	8 Byte	Analog Output Analog Input Analog Value Large Analog Value
DATE		Date Time Value
TIME		Date Time Value