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    • 3. 发明专利
    • Sending device, receiving device, and communication system
    • 发送设备,接收设备和通信系统
    • JP2007043679A
    • 2007-02-15
    • JP2006178896
    • 2006-06-29
    • Hitachi Information & Control Solutions LtdHitachi Ltd株式会社日立情報制御ソリューションズ株式会社日立製作所
    • ISHIKAWA MASAKAZUONOZUKA AKIHIROOGURA MAKOTOSHIRAISHI MASAHIROUMEHARA TAKASHIMASUKO NAOYANAGAYAMA HISAOENDO HIROMICHIFUNAKI SATORUKOBAYASHI MASAMITSUBANDO AKIRAKOBAYASHI EIJIFURUTA YASUYUKI
    • H04L29/10H04L1/00
    • PROBLEM TO BE SOLVED: To attain both a high performance and safety in data communication between a controller and a process I/O unit.
      SOLUTION: The device is provided with a circuit which generates and adds a CRC (Cyclic Redundancy Check) to a transmitted data of the controller and the process I/O unit, a circuit which checks the CRC of a received data, and a status register which selects operation modes of operation or stop of a CRC generation and a check function and shows CRC errors in each device, and inconsistency of the operation mode of a transmitter and a recipient of the data. It also performs a check of the CRC in a relay communication device. When two or more relay communication devices exist, the CRC for transmission between relay communication devices is additionally added, the CRC check result in each device of the controller, the relay communication device, and the process I/O unit is reflected in the status register, the soundness of the data between terminals is checked, the data having errors generated in a transceiver process is prevented from being used, and the device is prevented from a malfunction.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了在控制器和处理I / O单元之间实现数据通信的高性能和安全性。 解决方案:该设备具有电路,该电路为控制器和处理I / O单元的发送数据生成CRC(循环冗余校验),检查接收到的数据的CRC的电路,以及 选择操作模式或停止CRC生成和检查功能的状态寄存器,并且在每个设备中显示CRC错误,以及发送器的操作模式与数据的接收者的不一致。 它还执行中继通信设备中的CRC校验。 当存在两个以上的中继通信装置时,还附加用于中继通信装置之间传输的CRC,控制器,中继通信装置和处理I / O单元的每个装置的CRC校验结果反映在状态寄存器 检查终端之间的数据的正确性,防止在收发器处理中产生的错误的数据被使用,并且防止装置发生故障。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Input/output control apparatus, information control apparatus, input/output control method, and information control method
    • 输入/输出控制装置,信息控制装置,输入/输出控制方法和信息控制方法
    • JP2007011639A
    • 2007-01-18
    • JP2005190874
    • 2005-06-30
    • Hitachi Information & Control Solutions LtdHitachi Ltd株式会社日立情報制御ソリューションズ株式会社日立製作所
    • OGURA MAKOTOFUNAKI SATORUBANDO AKIRAUMEHARA TAKASHINAGAYAMA HISAOKOBAYASHI MASAMITSUISHIKAWA MASAKAZUSHIRAISHI MASAHIROONOZUKA AKIHIROMASUKO NAOYAENDO HIROMICHI
    • G06F11/18G06F13/12
    • PROBLEM TO BE SOLVED: To solve the problem that a programmable electronic apparatus must be divided into a programmable electronic apparatus for high reliability and a programmable electronic apparatus for high performance processing because the programmable electronic apparatus executes identical processing by a plurality of processors so as to obtain reliability to improve the reliability owing to the coincidence of outputs; on one side, the plurality of processors always execute the identical processing, so that the processing performance per processor is reduced to half; and on the other side, the processing not requiring its reliability requires the processing performance, so that high reliability becomes incompatible with high processing performance.
      SOLUTION: The programmable electronic device has the plurality of processors, improves the processing performance by independently operating usual control and network processing in use of different processors, interrupts the other processors only in executing processing to require reliability to make them execute processing requiring the same high reliability to realize both the improvement of the reliability resulting from coincidence among a plurality of outputs of the processors, and that of the processing performance.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:为了解决可编程电子设备必须被划分为高可靠性的可编程电子设备和用于高性能处理的可编程电子设备的问题,因为可编程电子设备通过多个处理器执行相同的处理 以获得可靠性,由于输出的一致性提高可靠性; 一方面,多个处理器总是执行相同的处理,使得每个处理器的处理性能减少到一半; 另一方面,不需要其可靠性的处理需要处理性能,使得高可靠性与高处理性能不兼容。 解决方案:可编程电子设备具有多个处理器,通过独立操作使用不同处理器的常规控制和网络处理来提高处理性能,仅在执行处理时中断其他处理器以要求可靠性使其执行需要的处理 具有相同的高可靠性,以实现由处理器的多个输出之间的一致性导致的可靠性的提高以及处理性能的提高。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Calculation control system for performing data communication and its communication method
    • 用于执行数据通信的计算控制系统及其通信方法
    • JP2007323190A
    • 2007-12-13
    • JP2006150433
    • 2006-05-30
    • Hitachi Information & Control Solutions LtdHitachi Ltd株式会社日立情報制御ソリューションズ株式会社日立製作所
    • ISHIKAWA MASAKAZUENDO HIROMICHIOGURA MAKOTOONOZUKA AKIHIROKOBAYASHI EIJIBANDO AKIRAKOBAYASHI MASAMITSUSHIRAISHI MASAHIROUMEHARA TAKASHIMASUKO NAOYANAGAYAMA HISAOSEKI YUSUKE
    • G06F13/00H04L12/40
    • PROBLEM TO BE SOLVED: To satisfy both high performance and safety in data communication between a controller and an input/output device. SOLUTION: This calculation control system is provided with a process input/output device 2 for performing input and output to a process; a controller 1 for performing the arithmetic control of the input/output of a process and a bus 50 between a process input/output device and a controller, wherein the controller and the process input/output device are connected through two data transmitters 3, 4, 5 and 6 whose configurations are the same to the bus. The data transmitters are provided with main/slave switching control circuits 14, 24, and so on for respectively controlling a bus occupancy right; address registers 19, 29 and so on for storing addresses; data registers 15, 25, and so on for storing data; buffers 18, 28, and so on for temporarily storing data; comparators 16, 26 and so on for comparing and collating the data received by the buffers; and gates 17, 27, and so on for transferring data from the buffers to the data registers according to the collation results, wherein the bus forms a single(common) parallel bus. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了满足控制器和输入/输出设备之间的数据通信的高性能和安全性。 解决方案:该计算控制系统具有用于对进程进行输入和输出的过程输入/输出装置2; 控制器1,用于在处理输入/输出设备和控制器之间进行处理的输入/输出和总线50的算术控制,其中控制器和过程输入/输出设备通过两个数据发送器3,4连接 ,5和6的配置与总线相同。 数据发射机设有主/从切换控制电路14,24等,用于分别控制总线占用权; 地址寄存器19,29等用于存储地址; 数据寄存器15,25等用于存储数据; 缓冲器18,28等,用于临时存储数据; 比较器16,26等,用于比较和整理由缓冲器接收的数据; 和门17,27等,用于根据核对结果将数据从缓冲器传送到数据寄存器,其中总线形成单个(公共)并行总线。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Control device and control method
    • 控制装置和控制方法
    • JP2008009796A
    • 2008-01-17
    • JP2006180650
    • 2006-06-30
    • Hitachi Information & Control Solutions LtdHitachi Ltd株式会社日立情報制御ソリューションズ株式会社日立製作所
    • BANDO AKIRAKOBAYASHI MASAMITSUSHIRAISHI MASAHIROONOZUKA AKIHIROUMEHARA TAKASHIOGURA MAKOTOKOBAYASHI EIJIISHIKAWA MASAKAZUFURUTA YASUYUKIMASUKO NAOYAFUNAKI SATORUSEKI YUSUKEOTANI TATSUYUKISASAKI WATARUOTSUKA YUSAKUNAKANO AKIHIROOZAWA SHOICHIIWASAKI YUKASAHARA TAKENORI
    • G06F13/00
    • PROBLEM TO BE SOLVED: To solve problems of complication of devices and inhibition of response speed/input and output on-time property in attainment of function security in a programmable electronic device, whereas diagnosis with a software program must be performed for cutting a closed loop which needs diagnosis for own accidental failures of a diagnostic device, and microprocessors must be consequently mounted not only on a logic arithmetic device but also on an input and output device to execute a diagnostic program.
      SOLUTION: In the control device for transmitting and receiving data from a central arithmetic storage device to a communication control device through a serial transmission line, and collecting/distributing data of an input and output device from the communication control device through a parallel transmission line, a diagnostic device for the parallel transmission line is started according to instruction from a central control unit, and diagnosis of the input and output device is performed successively to diagnosis of the transmission line. A data input and output timing for the input and output device is instructed from the central arithmetic storage device. Accordingly, on-time property of data input and output is kept while suppressing reduction in response speed by diagnosis.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了解决在可编程电子设备中实现功能安全性时设备复杂化和禁止响应速度/输入和输出准时性的问题,而必须执行用于切割的软件程序的诊断 需要诊断自身偶然故障的诊断装置的闭环,并且微处理器必须不仅安装在逻辑运算装置上,而且还必须安装在输入和输出装置上以执行诊断程序。 解决方案:在用于通过串行传输线从中央算术存储装置向通信控制装置发送和接收数据的控制装置中,通过并行从通信控制装置收集/分配输入和输出装置的数据 传输线路,根据来自中央控制单元的指令启动用于并行传输线路的诊断设备,连续执行输入和输出设备的诊断以诊断传输线路。 从中央算术存储装置指示输入和输出装置的数据输入和输出定时。 因此,保持数据输入输出的准时性,同时通过诊断抑制响应速度的降低。 版权所有(C)2008,JPO&INPIT