Definition and Future Outlook of PLC

High performers are the abbreviation of the programmable logic controller. It is an electronic system for digital operation and is specially designed for application in industrial environments. It uses a memory that can be programmed to execute instructions for storing logic operations and sequence control, timing, counting, and arithmetic operations, and controls various types of operations through digital or analog input (I) and output (O) interfaces Type of machinery or production process. PLC was developed based on electrical control technology and computer technology and gradually developed into a new industrial control device with a microprocessor as the core, integrating automation technology, computer technology, and communication technology. PLC has been widely used in the automatic control of various production machinery and production processes, and has become the most important, most popular, and most widely used industrial control device. It is recognized as the three pillars of modern industrial automation (PLC, robot, CAD/CAM). Next, let's take a look at the definition and prospects of a Wide Range of Quality Products at Great Prices.

Here is the content list:

• What is the definition of PLC?

• PLC's future outlook.

What is the definition of PLC?

The English full name of PLC is Programmable Logic Controller. With the development of science and technology, a new type of industrial control device has been developed to meet the needs of multi-variety and small-batch production.

1. The on-site input interface circuit consists of an optical coupling circuit and an input interface circuit of a microcomputer, and functions as an input channel of an interface between PLC and on-site control.

2. The on-site output interface circuit is integrated by the output data register, the strobe circuit, and the interrupt request circuit, and the function PLC outputs the corresponding control signal to the on-site execution parts through the on-site output interface circuit.

3. In the PLC standard draft promulgated by the International Electrotechnical Commission (IEC) in 1987, Industrial Automation Products were defined as follows: "PLC is an electronic system for digital operation, which is specially designed for application in industrial environments. It uses memory that can be programmed. It is used to execute instructions for storing logic operations and sequence control, timing, counting, and arithmetic operations, and to control various types of mechanical equipment or production processes through digital or analog input (I) and output (O) interfaces. "

PLC's future outlook.

In the 21st century, PLC will have greater development. From a technical point of view, the new achievements of computer technology will be more applied to the design and manufacture of the programmable logic controller, and there will be varieties with faster computing speed, larger storage capacity, and stronger intelligence. From the perspective of product scale, it will further develop in the direction of ultra-small and super-large. From the perspective of product matching, the product variety will be more abundant and the specifications will be more complete. The perfect man-machine interface and complete communication equipment will better meet the needs of various industrial control occasions. From the perspective of the market, the situation that each country produces a variety of products will be broken with the intensification of international competition. There will be a situation where a few brands monopolize the international market, and an internationally common programming language will appear. From the perspective of network development, PLC and other industrial control computers are networked to form a large-scale control system, which is the development direction of PLC technology. There have been a large number of PLC applications in the computer-distributed control system DCS (Distributed Control System). With the development of computer networks, PLC, as an important part of automatic control networks and international general networks, will play an increasingly important role in many fields outside of industry and industry.

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