CIP Data Types

This table provides descriptions of the CIP Data Types related to the CIP Motion Control Axis.

Data Type Name	Data Type Code (hex)	Description	Range
BOOL*	C1	Boolean	0 = FALSE; 1 = TRUE
SINT	C2	Short Integer	-128 SINT 127
INT	C3	Integer	-32768 INT 32767
DINT	C4	Double Integer	-2³¹ DINT (2³¹ – 1)
LINT	C5	Long Integer	-2⁶³ LINT (2⁶³ – 1)
USINT	C6	Unsigned Short Integer	0 USINT 255
UINT	C7	Unsigned Integer	0 UINT 65536
UDINT	C8	Unsigned Double Integer	0 UDINT (2³² – 1)
ULINT	C9	Unsigned Long Integer	0 ULINT (2⁶⁴ – 1)
REAL	CA	Single Precision Float	See IEEE 754
LREAL	CB	Double Precision Float	See IEEE 754
BYTE	D1	bit string – 8 bits	N/A
WORD	D2	bit string – 16 bits	N/A
DWORD	D3	bit string – 32 bits	N/A
LWORD	D4	bit string – 64 bits	N/A
SHORT STRING	DA	{length, 1-byte characters[n]}	N/A
* BOOL data type is defined by the CIP standard to be an 8-bit unsigned integer with enumeration of 0 for False and 1 for True.

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