| Customization: | Available |
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| Task: | Program |
| Function: | Automatic Control |
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DCS is a new type of control system characterized by operation and management centralization, based on microprocessors and incorporating advanced computer technology, communication technology, CRT technology, and control technology (i.e., 4C technology). With the rapid development of modern computer and communication network technology, DCS is evolving towards diversification, networked, open, and integrated management, making it possible for different models of DCS to be interconnected, exchange data, and connect to the factory management network via Ethernet, enabling real-time data to be accessed online and making it the mainstream in process industry automated control. It is an automatic control system that uses multiple computers to control multiple control loops in the production process, while also providing centralized access to data, centralized management, and centralized control. Distributed control systems use microprocessors to control individual loops, while implementing higher-level control using medium-sized industrial control computers or high-performance microprocessors. The loops and levels are connected through high-speed data channels. Distributed control systems have the functions of data acquisition, direct digital control, human-machine interaction, and monitoring and management. They are developed based on computer supervisory control systems, direct digital control systems, and computer multi-level control systems and are a more complete control and management system for production processes. In distributed control systems, microprocessors are installed in the vicinity of measurement devices and control execution mechanisms by region, and control functions are dispersed as much as possible while management functions are concentrated. This decentralized control method improves the reliability of control and will not cause the entire system to lose control due to a computer failure. When the management level fails, the process control level (control loop) still has independent control ability, and individual control loops will not affect the overall situation when they fail. Compared with computer multi-level control systems, distributed control systems are more flexible in structure, have a more reasonable layout, and are more convenient to manage.
Siemens' DCS PCS7: Siemens
PCS7 process control system is a fully integrated, structurally complete, functionally comprehensive, and process control system that is oriented towards the entire production process. SIMATIC PCS7 is Siemens' process control system that combines the most advanced computer hardware and software technologies, and is based on the TELEPERM series distributed control system of Siemens, integrating S5, S7 series programmable controllers and advanced process control systems for all process control applications. SIEMENSPCS7 process control system has the following features:
High reliability and stability;
High-speed, large-capacity controllers;
Client/server architecture;
Centralized, top-down configuration method;
Ability to flexibly and reliably connect to old systems;
Centralized, user-friendly human-machine interface;
A batch processing package with recipe function;
Open structure that can communicate with the management level:
Integrated with fieldbus technology: SIMATIC PCS7 uses the excellent upper-level software WinCC as the human-machine interface for operation and monitoring, and utilizes open fieldbus and industrial Ethernet for field information acquisition and system communication. It uses the S7 automation system as the field control unit to achieve process control, and receives field sensing and detection signals through flexible and diverse distributed I/O.
SIMATIC PCS7 is a system based on the full integration of automation, whose integration core is the unified process database and the only database management software. All system information is stored in one database and input only once, which greatly enhances the system's integrity and the accuracy of information.
SIMATIC PCS7's communication system uses industrial Ethernet and PROFIBUS fieldbus. Industrial Ethernet is used for data communication between system stations.
SIMATICPCS7 limited use of programming software and field device libraries that comply with the IEC61131-3 international standard for continuous control, sequential control and high-level programming languages. The spectator equipment library provides a large number of commonly used field equipment information and function blocks, which can greatly simplify the work of the team and shorten the project thinking period. SIMATICPCS7 has ODBC, OLE and other standard ports, and European Ethernet, PROFIBUS fieldbus and other open network, so that it has a strong openness, can be very easy to continuously manage the pit and other manufacturers' control systems.
Configuration software
Composition software, also known as configuration monitoring software, SCADA, 0SupervisoryControland DataAequisition; It refers to some special software for bulk data collection and process control. They are in the software platform and development loop of the medical seismic control level of the automatic control system, and use flexible configuration methods to provide users with software tools for building the secret control function of the industrial automatic control system in a fast way. With the development of computer hardware and software technology, automation products have shown the general trend of miniaturization, network indexing, PC, open-ended and low-yield development, and gradually formed a standard hardware, software and network structure system. Direct control configuration software has become a bridge and link, and is an indispensable component of the automation system. The configuration software has several features of the screen: the amount of real-time data acquisition - the stolen samples taken by the fertilizer are immediately displayed on the screen:
Look at the most information of Bai Dongji--- Bai Dong will store the data in the database. so that you can look straight behind your eyes
Historical data trend pattern - the data in the database can be planned:Generating and printing of reports - can change the format of the report and print it out:
Things picture color grab mouth control - Ti Zuo Xiang can speak through the graphic interface and directly grab the control machine:
Alarm generation and recording 1 - the user can define some alarm generation conditions@1INCC group software: WINCC is a push software developed by Siemens, WINCC is carried out in the personal computer environment, the company is integrated with a variety of white equipment and control software, which has a wealth of setting items, visual ports and menu items, flexible use, complete functions. Users can configure, compile and manage data under the interface they have sent, and can form the required face-to-face, dense face-by-side, control screen, type-by-face, real-time trend curve, historical trend curve and print report. It provides authors with a well-written, intuitive operating environment, which not only shortens the software design cycle, but also improves work efficiency. Another special aspect of 1VINCC is its overall openness. It can be easily combined with various clock software and user sequences to establish a friendly human-machine interface to meet practical needs. Users can also use VIINC as the basis for system expansion and develop their own application systems through open interfaces.
WVINCC is a factory that has a wide range of applications because of its unique design and ideas, and it is expanded in the form of a human voice. It is not only sufficient for single-user systems, but also constitutes a multi-user system, which includes multiple service channels and distributed systems within clients. The WVINCC coke production process and automation are integrated into one another. As a traditional automation and system leader, Siemens is at the forefront of technology and innovation, whether it is the core of modern automation systems - programmable control charts or the nervous system of industrial automation systems - bus technology. Fully integrated automation is to the unprecedented height and breadth, with the wallless integration with the white dynamic pit, the integration with the white dynamic network culture system, the integration with the MES system, and the soft toilet system of Pengpi, to achieve the diagnosis function of the system. WINCC is not only an independent HMISCADA system, but also an important component of many software systems of Star Simon Company, which widely uses the latest open software technology and standards, and is oriented to the multi-swelling system platform, and the whole system realizes two-way innovation and database system through a complete and rich programming system.
Hubei Yixin Hualian Electromechanical Equipment Manufacturing Co., Ltd. was established and developed on the basis of the original Xiangyang Electromechanical Equipment Manufacturing Factory. It is a modern enterprise led by the electrical industry, with automation control, environmental protection, new energy, new materials, agriculture, animal husbandry, mining and other industries developing together and diversifying. The company has a long history of producing high and low voltage complete sets of electrical equipment. Its main products include high and low voltage complete sets of electrical equipment, motor soft starting equipment, high, medium, and low voltage frequency converters, and high and low voltage solid-state soft starting devices. It is also an enterprise that undertakes the supply and professional construction of power equipment for 35KV and below power engineering general contracting projects.
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