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The HART communication protocol realizes - en.51rd.net in the scene measuring appliance long-distance correspondence
Tuesday, November 18th, 2008 at 00:19 | No commentsCategories: Communication NetworksShort Content: First, HART agreement synopsis HART (Highway Addressable Remote Transducer), the addressable long-distance sensor high speed channel's opening communication protocol, is American Rosemen Corporation one kind which promoted in 1985 uses between the scene intelligence measuring appliance and the control room equipment's communication protocol. The HART installment provides has the relatively low band width, the moderate response time's correspondence, underwent more than 10 years development, the HART technology in overseas was very already mature, and has become the global intelligence measuring ... -
Realizes between the monolithic integrated circuit and PLC communication - 51RD based on the Modbus agreement the Chinese electronic net
Sunday, November 16th, 2008 at 23:52 | No commentsCategories: Communication NetworksShort Content: Key word: Programmable controller Modbus Communication protocol 1 introduction HMI (man-machine contact surface) is small by its volume, high performance, strong real-time and so on characteristics, more and more applications in industrial automation system and equipment. It has the letter, the Chinese character, the graph and the picture and so on different demonstration, the contact surface simple friendly. Has the long life thin film button keyboard, the simplicity of operator. It uses generally has the integration rate to be high, speed quick, high ... -
Based on monolithic integrated circuit’s some vehicle CAN bus system design
Thursday, September 25th, 2008 at 17:58 | No commentsCategories: SCMShort Content: Abstract: Introduced briefly at90CAN 28 function characteristics, narrated at90CAN128 the CAN controller's principle and the application method, in view of designs the vehicle CAN main line control system's constitution characteristic, has formulated the communication protocol, and take unites the brake unit as the concrete example, has carried on the detailed description to its design process, enables the reader to realize this model of monolithic integrated circuit's special place profoundly. Key word: AT90CAN128; Monolithic integrated circuit; CAN main line; Union ...
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