Overview of numeric data types

Numeric data types store numbers of different value ranges.

Keyword

Description

Length

Default initial value

SINT

Short integer (two's complement)

8 bit

0

INT

Integer (two's complement)

16 bit

0

DINT

Double integer (two's complement)

32 bit

0

USINT

Unsigned short integer

8 bit

0

UINT

Unsigned integer

16 bit

0

UDINT

Unsigned double integer

32 bit

0

REAL

Floating point number (base: 10)

23-bit significand, 8-bit exponent, 1-bit sign

0.0