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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
    • 5. 发明专利
    • Controller
    • CONTROLLER
    • JP2006338425A
    • 2006-12-14
    • JP2005163424
    • 2005-06-03
    • Hitachi Ltd株式会社日立製作所
    • FUNAKI SATORUOGURA MAKOTONAGAYAMA HISAOENDO HIROMICHIYAMADA TSUTOMUUMEHARA TAKASHIMASUKO NAOYAISHIKAWA MASAKAZUSHIRAISHI MASAHIROKOBAYASHI MASAMITSUBANDO AKIRA
    • G06F11/18
    • PROBLEM TO BE SOLVED: To solve the problem that a system to collate outputs of a plurality of processors regardless of the synchronization/nonsynchronization of the outputs of the processors is required in a future control system composed of a plurality of processors in order to diagnose the soundness of the processors by collating the outputs of the processors because it is difficult to synchronize processor outputs.
      SOLUTION: The control system is provided with a timing sequence means for determining the synchronization/nonsynchronization of output timing from control signals from the respective processors, an ID/data selecting means for selecting data in a queue and storing the data in the queue based on a unique ID being part of the output from the processors, and a data collating means for collating data output by the ID/data selecting means.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题为了解决在由多个处理器组成的将来的控制系统中需要按顺序对由多个处理器的输出进行同步/非同步而进行整理多个处理器的输出的系统的系统的问题 通过整理处理器的输出来诊断处理器的可靠性,因为难以使处理器输出同步。 解决方案:控制系统具有定时序列装置,用于根据来自各个处理器的控制信号确定输出定时的同步/非同步; ID /数据选择装置,用于选择队列中的数据并将数据存储在 基于作为来自处理器的输出的一部分的唯一ID的队列,以及用于对比由ID /数据选择装置输出的数据的数据对照装置。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • ネットワーク機器、ネットワーク接続方法及びネットワーク接続プログラム
    • 网络设备,网络连接方法和网络连接程序
    • JP2014236494A
    • 2014-12-15
    • JP2013119137
    • 2013-06-05
    • 株式会社日立製作所Hitachi Ltd
    • OKUBO SATOSHISHIMIZU KATSUTOMASUKO NAOYAHANAWA TERUNORI
    • H04L12/66H04L12/28
    • 【課題】情報制御システムにとって低負荷でありながら必要な安全性と利便性を実現するネットワーク機器を提供する。【解決手段】ネットワーク機器は、ネットワーク識別部305がネットワーク識別情報テーブル306を参照して、どのネットワークに接続されたのかを識別する。そして、識別した結果、特定したネットワークIDにて接続ネットワーク情報テーブル308を参照して、接続されたネットワークに対する振る舞いを、通信制御部307が決定する。ネットワーク機器毎にネットワーク識別情報テーブル306と接続ネットワーク情報テーブル308を記憶させることで、ネットワーク毎に異なるネットワーク接続処理を実行することができる。【選択図】図3
    • 要解决的问题:提供一种在向信息控制系统施加低负载时实现所需安全性和便利性的网络设备。解决方案:网络设备当网络识别部305参考网络识别信息表306时,识别为 哪个网络连接。 作为识别的结果,通信控制部件307参照具有指定网络ID的连接网络信息表308来确定连接网络的行为。 通过存储每个网络设备的网络标识信息表306和连接网络信息表308,可以对每个网络执行不同的网络连接处理。
    • 7. 发明专利
    • Monitoring method for control device and control device monitoring system
    • 用于控制设备和控制设备监控系统的监控方法
    • JP2013143077A
    • 2013-07-22
    • JP2012003931
    • 2012-01-12
    • Hitachi Ltd株式会社日立製作所
    • TERAE NAOSHIMIZU KATSUTOMASUKO NAOYA
    • G06F21/52
    • G06F21/56G06F21/552G06F2221/2105
    • PROBLEM TO BE SOLVED: To monitor an operation state of a Programmable Logic Controller (PLC).SOLUTION: In a PLC monitoring method for monitoring an operation state of a PLC1 for controlling a control object 5, a PLC1b acquires a control instruction output from a user program which is executed in a PLC1a, which is different from the PLC1b itself, and prepares verification data on the basis of the acquired control instruction. The PLC1b verifies whether or not the PLC1a to be a transmission origin of the control instruction is infected by virus using the verification data and transmits the verification data to a PC2, and the PC2 displays the verification data on a display device to allow a user to verify whether or not the PLC1a is infected by virus.
    • 要解决的问题:监视可编程逻辑控制器(PLC)的运行状态。解决方案:PLC1b在用于监视控制对象5的PLC1的运行状态的PLC监视方法中,取得从 用户程序,其在与PLC1b本身不同的PLC1a中执行,并且基于获取的控制指令来准备验证数据。 PLC1b验证作为控制指令的传输来源的PLC1a是否使用验证数据被病毒感染,并将验证数据发送到PC2,并且PC2在显示装置上显示验证数据,以允许用户 验证PLC1a是否被病毒感染。
    • 8. 发明专利
    • Controller and processing method of task and ladder
    • 任务和梯子的控制器和处理方法
    • JP2013084169A
    • 2013-05-09
    • JP2011224540
    • 2011-10-12
    • Hitachi Ltd株式会社日立製作所
    • MASUKO NAOYATERAE NAOHANAWA TERUNORISHIMIZU KATSUTO
    • G05B19/05
    • PROBLEM TO BE SOLVED: To perform multi-task scheduling of a plurality of ladder processes and task processes according to a priority order.SOLUTION: A controller comprises a first processor executing ladder processing, a second processor executing task processing and main memory storing a plurality of ladder programs and a plurality of task programs, and preliminarily sets combinations of the ladder programs and the task programs according to priorities of processing. The second processor instructs the first processor to execute a ladder program with a priority in response to interruption with processing period of each priority of processing. The first processor executes the ladder processing according to the ladder program with the priority within the main memory. The second processor executes the task processing according to a task program with the priority within the main memory, and completes the task processing with the priority and the ladder processing with the priority within the processing period of each priority of designated interruption.
    • 要解决的问题:根据优先级顺序执行多个梯形图过程和任务过程的多任务调度。 解决方案:控制器包括执行梯形图处理的第一处理器,执行任务处理的第二处理器和存储多个梯形图程序和多个任务程序的主存储器,并且根据以下步骤预先设置梯形图程序和任务程序的组合 到处理的优先事项。 第二处理器指示第一处理器响应于处理的每个优先级的处理周期的中断而优先执行梯形图程序。 第一处理器根据梯形图程序在主存储器内优先执行梯形图处理。 第二处理器根据主存储器内的优先级的任务程序执行任务处理,并且在指定的中断的每个优先级的处理期间内以优先级和梯形图处理优先完成任务处理。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Control support method, control support program and control support apparatus
    • 控制支持方法,控制支持程序和控制支持设备
    • JP2010271842A
    • 2010-12-02
    • JP2009122090
    • 2009-05-20
    • Hitachi Ltd株式会社日立製作所
    • MASUKO NAOYAOTSUKA YUSAKUSHIMIZU KATSUTOSUZUKI ATSUSHIMATSUZAKI TOMOKAZU
    • G05B19/05
    • PROBLEM TO BE SOLVED: To facilitate grasping of connection relations among respective sheets, when dividing control diagram data into a plurality of sheets and outputting the sheets.
      SOLUTION: A connection symbol addition unit 13 in a control support device 1 reads from a storage means and selects two instruction elements, mutually connected by a connection line regarding instruction elements stored in the storage means, and adds, when the two instruction elements belong to different areas, respective connection symbols to connection lines connecting the two instruction elements in sheets of the areas to which the two instruction elements belong, and a sheet output unit 20 outputs the sheets, with the connection symbols added thereto by the connection symbol addition unit 13.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了便于抓取各个片材之间的连接关系,当将控制图数据分成多个片材并输出片材时。 解决方案:控制支持装置1中的连接符号附加单元13从存储装置读取并选择通过关于存储在存储装置中的指令元素的连接线相互连接的两个指令元素,并且当两个指令 元件属于不同区域,各连接符号连接到两个指令元件所属的区域中的两个指令元件的连接线,并且片材输出单元20输​​出片材,连接符号由连接符号添加到其上 附加单元13.版权所有(C)2011,JPO&INPIT