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symbol (variable) - Automation Systems Glossary

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symbol (variable) - Automation Systems Glossary

Term : symbol (variable)

What is 'symbol (variable)'? What does 'symbol (variable)' mean?

Definition

An address that has been given a name in the I/O memory. For function blocks, however, the term "variable" is used and it indicates a storage location for data rather than a name used to indicate an address. "Symbol" is used in all other contexts. When monitoring I/O memory with symbols in the CX-Programmer, the specified size of data from the first address specified with the symbol is displayed for the specified data type.

Applicable Categories

Programmable Controllers

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