1. Automotive Manufacturing Automation Modern measurement technology should continuously achieve new developments and breakthroughs in the demand for high precision, high speed, multi-function, and on-line inspection. At the same time, the process links and industrial fields covered by measurement technology are increasingly diversified. .
The latest developments and directions of the system
A major trend in the development of automation systems today is the integration of controller functions and the integration of communications. For a long time, due to technical limitations, it is necessary to use a variety of control devices from multiple manufacturers in a single automation system, such as PLC for general control tasks; PLC for safety control; controller for motion control; servo Control controller; and so on. Correspondingly in communication, there is a fieldbus for general control tasks; a safety bus for safety control; communication for motion control;
The system thus integrated has high complexity. Regardless of the system integrator or the equipment maintenance and maintenance side, in addition to mastering various technologies, it must also adapt to different design habits of different manufacturers and different software programming styles. Also, the interface and communication between different systems further increases the complexity of the system. And to a certain extent, the performance of the system is reduced.
More and more controllers are now integrated with several and all of the above control functions. For example, a PLC that integrates general control functions and safety control functions, a PC-based controller that integrates PLC functions and motion servo control functions, and so on. At the same time, major changes have taken place in the field of communication. With the great success achieved on the general network, Ethernet has gradually deepened in the industrial field and began to firmly establish its position. Ethernet products with multiple communication functions have emerged. With the gradual maturity of technology and the gradual enrichment of products, Ethernet technology is the communication network of the unified rivers and lakes that can be seen at present.
The automotive industry has its own characteristics, namely high reliability, high utilization, and high life of equipment. These characteristics have determined that when selecting automation products, they are generally more cautious, not daring to be the first in the world, and generally prefer to choose mature products. So when these new technologies can enter the automotive industry on a large scale depends on when they can accumulate enough market recognition.
2. The industrial control network will develop in the direction of combining wired and wireless.
Wired LANs have been successful with their broad applicability and technical price advantages, and have grown rapidly. However, in some industrial production sites, wired LANs are difficult to function due to industrial environments prohibiting, restricting the use of cables or making it difficult to use cables, so wireless LAN technology has been developed and applied. With the continuous development of microelectronics technology, wireless LAN technology will play an increasingly important role in industrial control networks.
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