The IEC operator is used for the "less than or equal to" function.

Permitted data types of the operands: any basic data type

If the first operand is less than or equal to the second operand, then the operator yields the result ‎TRUE‎; otherwise ‎FALSE‎.

Examples

Result in ‎Var1‎: ‎TRUE‎

ST

Var1 := 20 <= 30;