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This includes not only the integration of DCS and DCS, but also the broad integration of DCS with PLC, FCS, and various control equipment and software resources. Instrument technology is developing towards digitization, intelligence, and networking. The intelligent and networked development of industrial control equipment can further disperse and shift down the functions of process control, achieving true “all digital” and “all decentralized” control.

In addition, due to the high accuracy, repeatability, reliability, and bidirectional communication and self diagnosis functions of these intelligent instruments, the installation, use, and maintenance of the system are more convenient.

Industrial control software is developing towards advanced control. The extensive application of various advanced control and optimization technologies is the most effective, direct and valuable development direction for mining and improving the comprehensive performance of DCS, mainly including the development and industrial application of software such as advanced control

process optimization, information integration, system integration, etc. In the future, industrial control software will continue to develop towards standardization, networking, intelligence, and openness.

The system architecture is evolving towards FCS. From a purely technical perspective, there are three ways to integrate fieldbus into DCS at present: ① Integration of fieldbus on DCS system I/O bus – hanging on DCS I/O bus through a fieldbus interface card, making the information from the fieldbus seen by the DCS controller feel like it comes from a traditional DCS device card.