Attention

IronPLC supports IEC 61131-3 Structured Text excluding I/O mapping.

LT

Returns TRUE if the first input is less than the second.

IEC 61131-3

Section 2.5.1.5.4

Support

Supported

Signatures

#

Input (IN1)

Input (IN2)

Return Type

Support

1

SINT

SINT

BOOL

Supported

2

INT

INT

BOOL

Supported

3

DINT

DINT

BOOL

Supported

4

LINT

LINT

BOOL

Supported

5

USINT

USINT

BOOL

Supported

6

UINT

UINT

BOOL

Supported

7

UDINT

UDINT

BOOL

Supported

8

ULINT

ULINT

BOOL

Supported

9

REAL

REAL

BOOL

Supported

10

LREAL

LREAL

BOOL

Supported

Description

Returns TRUE if IN1 is strictly less than IN2, FALSE otherwise. LT(a, b) is the functional form of the < operator: a < b. Both forms are equivalent.

Example

See Also

  • LE — less than or equal

  • GT — greater than

  • EQ — equal