What is RAM?

Definition

Random Access Memory — volatile memory used for temporary data storage during program execution in PLCs and controllers. RAM holds real-time process data, timer values, and counter states that are lost when power is removed.

Related Terms

Non-Volatile Memory

Memory that retains stored data even when power is removed, including flash, EEP...

CPU Module

The central processing unit of a PLC system that executes the control program, m...

Flash Memory

A non-volatile storage technology that retains data without power and can be ele...

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