ABB PM825-1 module controller
Brand ABB color standard Application Industrial height 288mm rated current 218mA
Protection Level IP45 Suitable for motor power 268KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part No. PM825-1
Applicable pipe 2 Whether imported is weighing 2.86 kg can be sold nationwide
ABB PM825-1 module controller
1) High reliability Because the DCS system control function is distributed in each computer, the system structure adopts fault tolerance 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, special 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 the small or micro special computer, 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 overall function of the control system and optimize processing.
(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 advanced control, and can easily add the required special control algorithms. The composition of DCS is very flexible, can be composed of a dedicated management computer station, operator station, engineer station, recording station, field control station and data acquisition station, etc., can also be composed of a 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.
Process industry CIMS is a complex integrated automation system, dealing with all the production activities of the whole enterprise, DCS as an effective tool and implementation means, in the process industry CIMS to complete important basic control and real-time production data acquisition, dynamic monitoring and other functions. Compared with the management computer, DCS can provide more reliable production process data, so that the optimization decision made by the CIMS system is more reliable.
From the functional point of view, the production automation system, dynamic monitoring system and online quality control in the process industry CIMS can be realized by DCS. From the perspective of CIMS hierarchy of process industry, DCS is mainly responsible for process control and process optimization tasks, and some production scheduling and production management work can also be completed on DCS.
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