We often hear the word PLC in everyday life, especially in the manufacturing industry. We can also know that a PLC can be like a controller or a computer, so what is a PLC?

The full English name of the PLC is Programmable Logic Controller, which means programmable logic controller. PLC is an electronic system of mathematical operations, specially designed for use in industrial environments. It uses programmable memory. It stores instructions for operations such as logical operations. operations, sequence control, synchronization, counting and arithmetic operations, as well as control of various types of mechanical equipment or manufacturing processes through digital or analog input and output.

The PLC used in most factories is already the equivalent of a compact computer host. Its scalability and reliability advantages make it widely used in various fields of industrial control.

Compared to computers, the PLC function is highly reliable. Since most PLCs use single-chip microcomputers, they have a high degree of integration, combined with appropriate protection circuits and self-diagnosis functions, which improve the reliability of operation. system. The second point is that programming is easy. Most of the programming uses relay control ladder diagrams and command statements, and their number is much less than the number of microcomputer instructions.

The third point is flexible configuration. Since the PLC uses the building block structure, users only need a simple combination to change the function and scale of the control system flexibly, so that it can be applied to any control system.

Given that, do you have any idea about PLCs? If you want to learn more about PLC knowledge, we still need to keep learning.

What is a PLC? What is a PLC?
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