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Operators

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Operators supported and specified by IEC-61131-3

Operador

Símbolo

Exemplos

Parentheses

(Expression)

(A+B/C), (A+B)/C, A/(B+C)

Dereference ¹

^

R^

Unary minus

-

-A, - A

Unary plus

+

+B, + B

Complement

NOT

NOT C

Exponentiation

**

A**B, A ** B

Multiplication

*

A*B, A * B

Division

/

A/B, A / B / D

Addition

+

A+B, A + B + C

Subtraction

-

A-B, A - B - C

Comparison

< , > , <= , >=

A < B

Equality

=

A=B, A = B, A=B & B=C

Inequality

<>

A<>B, A <> B

Boolean AND

&, AND

A&B, A & B, A & B & C, A AND B

Boolean OR Exclusive

XOR

A XOR B

Boolean OR

OR

A OR B

 

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NOTE!

 

¹ Check if the equipment has support for this operator.