What is PLC control?
The English full name of PLC is: Programmable logic controller, an electronic system for digital operation, designed for industrial environment applications. It uses a class of programmable memory for its internal memory program, performing user-oriented instructions such as logic operations, sequence control, timing, counting and arithmetic operations, and controlling various types of machinery through digital or analog input/output. Or the production process. It is a core part of industrial control. The PLC controller mainly refers to the programmable logic controller of the digital operation operation electronic system, which is used to control the mechanical production process. It is also the abbreviation of public limited company, power line car, etc.Widely used in industrial control field.
PLC is essentially a computer dedicated to industrial control. Its hardware structure is basically the same as that of a microcomputer. The basic structure is:Power supply, CPU, Memory unit, Input and output interface circuit, Functional module, Communication module.