TCP/IP protocol communication interface Modbus protocol communication interface 1EC870-5 protocol communication interface (Telecontrol) 4.2 Field Controller PS Industrial” field controller PS is a special process control station, which is embedded with field bus communication interface for users to use Fieldbus technology offers very flexible options. Each PS allows to insert 4 fieldbus interface cards (the…
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the ModBus protocol interface. The system also supports IEC870-5 over-control protocol. discussion. The Flash EPROM inside the PS provides more than 220 functional modules (control algorithm subroutines), in addition to the basic ones specified in the IEC 61131 3 standard In addition to this content, many powerful and rigorously tested function blocks from actual engineering…
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divided into FMS, DP and PA Level 3, DP communication rate can be as high as 12Mb. Profibus is used to connect intelligent devices such as distributed I/0 stations and field bus instruments. Communication between the process station, operator station and engineering station takes place via the system bus DigiNetS (Industrial Ethernet). user Different transmission…
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investment, the most powerful control function. Five features of Industria1″ DCS system: 1. All-round integrated control system, integrating DCS & PLC & Field Bus; 2. Using RISC SuperScalar high-speed CPU, with super performance; Three high reliability, strict industrial application practice, more than 1000 sets of application performance in China; 4. It has good openness, flexibility…
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topology according to the actual situation of the application. The popular PC and MS_ Windows 2000 have been widely used in various fields all over the world, becoming the de facto standard computer platform. tower. The operating station 0S, the engineering station ES and the data gateway GS of the Industrial” system use this platform…
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redundant PS. can be switched redundantly. S800 and S900 are distributed i/0 for process control stations. They communicate with their controllers through Prof ibusdp Fieldbus Communication, which can be installed in the controland PA three levels, DP communication rate can be as high as 12Mb. The CAN (DIN/IS011898 standard) bus The biggest feature is its…
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out and replaced online. Fi830f: PROFIBUS DP interface card, as the master station, can connect 126 PROFIBUS DP slave stations, and the communication rate can reach 12mbd One PS can plug in 4 fieldbus interfaces, connect 496 fieldbus devices, and one city (subsystem) of industrial “system can Connect 4960 fieldbus devices (10000 i/0). Fi820f: two…
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10base2 thin cable communication interface Ei802f provides 10BASE5 thick cable connection (through AUI interface) Ei803f provides 10Base-T twisted pair communication interface 32-bit data bus, 100 mb/s DMA (direct memory access) mode main memory ram, corresponding CPU operating load <4% Optional ram backup battery Fieldbus interface replacement card fi830f/fi820f/fi810f Fieldbus interface cards are divided into several…
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function, abb patent) 16 K internal cache (CPU cache RAM) Ram backup battery (matchdog, optional redundancy) Equipment internal temperature monitoring Watchdog I/0 sweeping cycle: configurable. Time required to process 1000 IL (instructions): < 1.0 ms (processing binary and 16 bit arithmetic instructions) <2ms (processing fixed-point arithmetic instructions) < 1.5ms (processing 32-bit floating-point arithmetic instructions) Bthernet…
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PS basic unit provides the interface between PS and diginets. ES. Hardware configuration and PS The user program is downloaded to the PS CPU through diginets and the first network card. After the field bus interface card is newly installed or replaced, the required group The status information will be automatically reloaded. The configuration results…
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