Interbus
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InterBus is a sensor / regulator bus system that is specifically designed for industrial applications and provides consistent network connectivity from control-level devices to low-level limit switches. It connects all devices through a single cable, regardless of operational complexity, and allows users to take full advantage of this to reduce the overall system installation and maintenance costs.
Abstract INTERBUS is one of the IEC61158 standards, widely used in the manufacturing and machine processing industries. It is an open serial bus system for connecting sensor / actuator signals to computer control stations. INTERBUS bus launched in 1984, the main technology developer for the German company Phoenix Contact. INTERBUS Club, a global organization of manufacturers and users of INTERBUS equipment, currently has an independent Club organization in 17 countries with more than 500 members. The INTERBUS bus consists of a remote bus network and a local bus network. Both networks carry the same signal but at different levels. Remote bus network for long-distance transmission of data, using RS-485 transmission, the network to the power supply, remote network using full-duplex mode of communication, communication speed of 500k / s. The local bus network is connected to the remote network. The BK module on the bus terminal BT (BUS Terminal) on the network is responsible for converting the remote network data into local network data. The main devices on the INTERBUS bus include the BK module, the I / O module on the bus terminal BT and the bus control board installed in the host device such as PC or PLC. Bus control board is the main device on the INTERBUS bus, used to achieve the protocol control, fault diagnosis, configuration, storage and other functions. The I / O modules enable data to be received and transmitted between the bus control board and the sensors / actuators. The data types that can be processed include all the standard signals for the mechanical manufacturing and process industries. INTERBUS bus protocol features: INTERBUS protocol to achieve the main chip there are two, bus control board IPMS (INTERBUS Protocol Master) and network I / O devices on the SuPl (Serial Microprocessor Interface). Through these two protocol chip form INTERBUS data ring structure. INTERBUS data transfer is similar to a remote distance shift register, the data from the bus control panel data register out, through the network BK module and I / O modules, and moved to the bus control panel registers. In other words, the data is moved out of the data register on the bus control board at the same time (full-duplex mode). INTERBUS data is transmitted in full frame. Two frame types: ID cycle frame and data cycle frame. ID period frame and data cycle frame. ID period frames are read when the INTERBUS bus system is initialized to generate the process image. In the ID cycle after the successful implementation of the frame, INTERBUS bus internal switch to the data register, only the implementation of data frames to achieve data transmission. INTERBUS provides a total automation solution. The I / O layer provides a variety of input and output modules, including intelligent terminal module, remote terminal module and gateway module. The control layer can use PC, VME and most PLC as the master device. From the I / O layer to the control layer, only one cable can be realized data exchange to replace hundreds of control systems from the access and access to the cable, can reduce about 40% of the system installation costs. Control software used in line with IEC1131-3 standard PCWORX software, including the configuration software SYSTEM WORX, hardware programming software PROGAM WORX, control graphic software GRAPH WORX. Host devices through the OPC Server to achieve data openness and sharing. As an open bus system, INTERBUS is compatible with any PC platform and can be used for 80% of the world's PLC. INTERBUS implements Open Control. Open Control consists of the open bus system INTERBUS, Microsoft's open program Windows NT architecture and industrial PC. The goal is to achieve a unified and unified information flow between the office and the production site based on the same platform. Through all levels without stopping - to achieve a completely vertical integration (CVI-Complete Vertical Integration). With Open Control, individual hardware and software manufacturers' components can be integrated into an automation system that truly interoperates with different manufacturers without any interface. INTERBUS as a field-based bus system, in the I / O network has a very fast communication speed: 256 I / O, the distance of 12.8km when 15ms, 300m when 3ms. In the information management, INTERBUS through the Ethernet to achieve interconnection, I / O level (I / O level), field level (field level), the control level (control level) using INTERBUS system, the upper management (management level) through Ethernet Connected to the Internet and connected to the user through the PC dial-up Internet access to the remote INTERBUS network equipment and access to equipment, data and information.Fig
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