
Infographic: History of PLCs 1968-2000
1968 – The concept of the PLC was born as the Standard Machine Controller. 1969 – Richard Morely of Bedford Associates launches the Modicon 084 Model, kickstarting the race to refine this new technology. 1970 – Parallel to MODICON was Allen-Bradley, releasing the Bulletin 1774 PLC. This was the first time the tern PLC was…