IS200VTCCH1C IS200VTCCH1C IS200VTCCH1C switching of factory power supply); Low voltage factory power supply system and 400VPC; High voltage start/backup power supply system (shared by 2 machines); Diesel generator set and security power supply (monitoring only); Dc system and UPS system (monitoring only); Automatic synchronous system; Power plant quick cutting system. Electrical main protection safety automatic…
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IS200VSVOH1B IS200VSVOH1B IS200VSVOH1B ensure that only one unit of DCS to achieve the control of the common part, while another unit of DCS can achieve real-time monitoring, And this operation control can be switched. (4) The interlocking logic of the electrical system is simple, but the operating mechanism of the electrical equipment itself is complex.…
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IS200VRTDH1D IS200VRTDH1D IS200VRTDH1D DCS.” According to this spirit, the electrical system of Jiujiang Power plant Phase III 2×350MW, Xinyang Power plant Phase I 2×300MW, Yiyang Power Plant Phase I 2×300MW project are included in DCS monitoring. Now according to these several projects in the specific implementation of the process and requirements, the electrical system into…
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IS200VRTDH1C IS200VRTDH1C IS200VRTDH1C 4917/5000 The thermal control of 300MW and above capacity units has been fully adopted DCS control system, gradually formed the data acquisition (DAS), analog control (MCS), sequential control (SCS), burner management (BMS) four systems. From the actual operation, DCS better realize its control function, and play the advantages of safety, economy, reliable…
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IS200VCRCH1B IS200VCRCH1B IS200VCRCH1B and application software. The main functions of the upper machine including the system configuration, database configuration, history library configuration, graphics configuration, control algorithm configuration, data report configuration, real-time data display, historical data, graphical display, parameter list, data printing, data input and parameter modification, control arithmetic, alarm processing, fault processing, communications control and…
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IS200VAOCH1B IS200VAOCH1B IS200VAOCH1B improves the programming environment. In FCS, the basic structure of the system is: industrial computer or commercial PC, fieldbus master station interface card, fieldbus input/output module, PLC or NC/CNC real-time multi-task control software package, configuration software and application software. The main functions of the upper machine including the system configuration, database configuration,…
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IS200VAICH1D IS200VAICH1D IS200VAICH1D interfered with, and inconvenient maintenance. DCS is generally composed of operator station, control station, complex structure, high cost. And DCS is not an open system, poor interoperability, difficult to achieve data sharing. Pc-based FCS, on the other hand, completely overcomes these shortcomings. (1) in the FCS, by means of field bus technology,…
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IS200VAICH1C IS200VAICH1C IS200VAICH1C international standard and draft, together with its technical advantages, so it is very promising to become a major international standard in the future. The FF bus provides two physical layer standards, Hl and H2. Hl is a low-speed bus for process control, with a transmission rate of 31.25Kbps and a transmission distance…
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IS200TVIBH2B IS200TVIBH2B IS200TVIBH2B diagnosis function of the field equipment. 2.6 High adaptability to the environment Fieldbus is designed for industrial field, it can use twisted pair, coaxial cable, optical cable, power line and wireless way to transmit data, has a strong anti-interference ability. The commonly used data transmission line is cheap twisted pair, and allows…
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IS200TVBRH2A IS200TVBRH2A IS200TVBRH2A the same control policy and “plug and play”. Devices with the same performance from different vendors can be interchanged. 2.3 Flexible Network Topology Fieldbus control system can be composed of different network topologies according to complex field conditions, such as tree, star, bus and hierarchical network structure. 2.4 Highly decentralized system…
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