Integer Data Types

The following integer data types are available in TwinCAT.

Data type

Lower bound

Upper bound

Memory space

BYTE

0

255

8 bit

WORD

0

65535

16 bit

DWORD

0

4294967295

32 bit

LWORD

0

264-1

64 bit

SINT

-128

127

8 bit

USINT

0

255

8 bit

INT

-32768

32767

16 bit

UINT

0

65535

16 bit

DINT

-2147483648

2147483647

32 bit

UDINT

0

4294967295

32 bit

LINT

-263

263-1

64 bit

ULINT

0

264-1

64 bit

Integer Data Types 1:

When converting types from larger to smaller types, information may be lost.

See also: