PLC is an industrial computer control system that continuously monitors the state of input devices and makes decisions based upon a custom program to control the state of output devices. Supervisory control and data acquisition (SCADA) is a category of software application program for process control, the gathering of data in real time from remote locations in order to control equipment and conditions.

Programmable Logic Controller or PLC is a Programmable computing system used to control electromechanical processes using logic.SCADA stands for Supervisory Control and Data Acquisition. It is a type of industrial control system that is used to monitor and control field instruments in industries.