(1) High reliability Because the DCS system control function is dispersed in each computer, the system structure is fault-tolerant design, so the failure of a computer will not lead to the loss of other functions of the system. In addition, since the tasks undertaken by each computer in the system are relatively simple, computers with specific structures and software can be used for the functions that need to be realized, so that the reliability of each computer in the system is also improved.
(2) Open DCS adopts open, standardized, modular and serialized design, each computer in the system adopts local area network communication to achieve information transmission, and when it is necessary to change or expand the system function, the new computer can be easily connected to the system communication network or removed from the network, almost without affecting the work of other computers in the system.
(3) Flexibility The software and hardware configuration is performed according to different process application objects through the configuration software, that is, to determine the measurement and control signals and the connection relationship between them, select the applicable control law from the control algorithm library, and call various monitoring and alarm screens required by the basic graphics from the graphics library, so as to facilitate the formation of the required control system.
(4) Easy to maintain a single function of small or microcomputer, with the characteristics of simple and convenient maintenance, when a local or a computer failure, can be replaced online without affecting the operation of the entire system, quickly eliminate the fault.
(5) Coordination between workstations through the communication network to transmit a variety of data, the entire system information sharing, coordination work to complete the control system functions and optimization.
(6) Complete control functions Rich control algorithms, set continuous control, sequence control and batch control in one, can achieve cascade, feedforward, decoupling, adaptive and predictive control and other * control, and can easily add the required special control algorithms. The composition of DCS is very flexible, can be composed of management computer station, operator station, engineer station, recording station, field control station and data acquisition station, etc., can also be composed of general server, industrial control computer and programmable controller. The process control level at the bottom is generally realized by decentralized field control stations, data acquisition stations and other local data acquisition and control, and transmitted to the production monitoring computer through the data communication network. The production monitoring level carries out centralized operation management of the data from the process control level, such as various optimization calculations, statistical reports, fault diagnosis, display alarm, etc. With the development of computer technology, DCS can be connected with higher performance computer equipment through the network to achieve more advanced centralized management functions, such as planning and scheduling, storage management, energy management, and so on.
Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers.
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