ADD symbol

Also called Add, Addition

Adds IN1 and IN2 and writes the sum to OUT when the rung is true.

ADD symbol, IEC 61131-3 ladder diagramIEC 61131-3

What the ADD symbol means

Adds IN1 and IN2 and writes the sum to OUT when the rung is true.

How it is drawn

IEC 61131-3 ladder diagram

ADD function. A box marked ADD with inputs IN1 and IN2 and output OUT.

LD SVG

Where you see it

Totals, offsets and simple calculations in the program.

Frequently asked questions

What does the ADD symbol look like?

A box marked ADD with inputs IN1 and IN2 and output OUT.

Where is a ADD used?

Totals, offsets and simple calculations in the program.

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