A central processing unit (CPU), power supply, programming device, and input and output (I/O) modules are the essential components of a PLC. The CPU is the PLC's brain, and it performs pre-programmed tasks. Signals and data from associated inputs are used to conduct these processes or outputs.
Industrial automation is described as a combination of technologies that allow industrial machines and systems to operate without requiring considerable human involvement and achieve performance levels that are superior to manual operation. Here's a quick rundown of the many stages of industrial automation.
A PLC's primary job is to automate processes by transmitting pre-programmed control functions to output devices in response to signals received from associated input devices. A sensor, switch, thermometer, or relay is an input device that collects and sends data from your system.
Unit Test layer. Functional Test Layer (non-UI) GUI Test Layer.