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Programmable Logic Controller (PLC)

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Dick Morley is the "Father of the PLC" for his invention of the first programmable logic controller, the Modicon 084, for General Motors in 1968.

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Evolution of Programmable Logic Controllers (PLC)

PLC Evolution

The Early PLCs (1968-1970s) 

Microprocessor-based PLCs (1970s-1980s) 

Networked PLCs (1980s-1990s)

PC-based PLCs (1990s-2000s)

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1. The first PLCs

The first PLCs, such as the Modicon 084, were large, expensive, and primarily used in industrial areas

2. Microprocessor-based PLCs

As microprocessors became more powerful and affordable, PLCs began to incorporate them into their designs

3. Networked PLCs

PLCs began to incorporate networking capabilities, allowing them to communicate with other devices and systems.

4. PC-based PLCs

PLCs began to incorporate more powerful processors and operating systems, allowing them to run more advanced software on computers.