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Fieldbus has become one of the most active fields in industrial data bus area. However, fieldbus standards are not uniform at present, which brings many difficulties to different industrial control equipments from different manufacturers to connect their devices to others. CAN bus and Modbus bus are two kinds of more popular buses in industrial control systems. This paper analyses these two bus protocol,...
The dynamic reconfiguration technique based on FPGA (field-programmable gate array) can improve the resource utilization. The dynamic reconfiguration principles and methods are discussed. A remote dynamic reconfiguration scheme using Xilinx Virtex-II FPGA and SMCS Ethernet PHY (physical layer transceiver) is proposed. The hardware of system is designed with Xilinx Virtex-IIXC2V30P FPGA that embeds...
The device identifies protocol of DMX512, Art-Net and ACN were analyzed in this paper. The devices identify mechanism of performance light network control system was studied. The composition of ideal device identify system was proposed. Our research has certain theoretical significance and practical value to the development of performance light network control technology.
Smart home controller have been used in many cases, user can monitor and control the electrical device in home from distance through Internet. In this paper we introduced the implementation of smart home controller. The system consists of three subsystems: embedded controller, signal converter and terminal device. To enable the user manage the controller anywhere and anytime on different terminal,...
With the plentiful application of various electronic equipments and control devices which used in industry, the communication networks based on field bus are produced. Connection between CAN bus and normal bus RS-232 which is used in existing serial communication, could realize to construct network with multidrop and long-distance communication. Method of conversion between RS-232 and CAN bus is discussed...
This paper introduces that the method of using Siemens process control system PCS7 V6.0 to control the reheating furnace. It describes the configuration of both software and hardware of control system, function accomplished by the system and the difficulties along with solution. The reheating furnace control system is configurated with double CPU redundancy. It adopts industrial Ethernet, Europe popular...
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