ADD symbol
Also called Add, Addition
Adds IN1 and IN2 and writes the sum to OUT when the rung is true.
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 SVGWhere you see it
Totals, offsets and simple calculations in the program.
Related symbols
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.
Every interlock in your PLC logic, tested and signed.Deskely holds the cause and effect and function test records for every system, checked as they are signed, so the logic is proved before start-up.
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