Below are the standard operators and blocks that perform comparisons:

Operator

Meaning

<
>
<=
>=
=
<>
CMP

less than
greater than
less or equal
greater or equal
is equal
is not equal
detailed comparison

Other topics in this chapter

CMP

>=

>

=

<>

<=

<

Comparison operations

IEC 61131-3 Automation platform > Programming - Reference guide > Comparison operations

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