CODESYS GT

GT is an IEC operator that performs the greater-than comparison. It returns TRUE if the first operand is greater than the second operand; otherwise it returns FALSE. The document shows an ST example with the result FALSE.

Source checked3/3 values · 2026-10-26

Specification

2 sources

Language	iec 61131 3
Code	GT
Syntax	20 > 30
Dialect	CODESYS

Study notes

Permitted data types of the operands: any basic data type.
The example uses VAR1 := 20 > 30;.
The example is shown in ST and FBD representations.