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    • 3. 发明授权
    • Normal and standby modes for duplicated field apparatus control system
    • 用于复制现场设备控制系统的正常和待机模式
    • US07055061B2
    • 2006-05-30
    • US09837460
    • 2001-04-19
    • Yoshiyuki Nitta
    • Yoshiyuki Nitta
    • G06F11/00
    • G05B19/0428G05B2219/24175G05B2219/25428
    • In a field apparatus control system, one of duplicated main control units and one of communication control units constitute a normal system, and the other of the duplicated main control units and other of the communication control units constitute a standby system. Each of the normal system of communication control unit and the standby system of communication control unit has a same address on a network via the field bus, which is allocated to each of the normal and standby systems of communication control systems. The information that is outputted to the address from the field apparatus via the field bus is transmitted to the normal and standby systems of communication control units, respectively.
    • 在现场设备控制系统中,复制的主控制单元和通信控制单元中的一个构成正常系统,另一个复制的主控制单元和其他通信控制单元构成备用系统。 通信控制单元的正常系统和通信控制单元的备用系统中的每一个通过现场总线在网络上具有相同的地址,该现场总线被分配给通信控制系统的每个正常和备用系统。 经由现场总线从现场设备输出到地址的信息分别被发送到通信控制单元的正常和备用系统。
    • 4. 发明授权
    • Process control network with redundant field devices and buses
    • 具有冗余现场设备和总线的过程控制网络
    • US6047222A
    • 2000-04-04
    • US983019
    • 1997-12-30
    • Harry A. BurnsBrent H. LarsonLarry K. Brown
    • Harry A. BurnsBrent H. LarsonLarry K. Brown
    • G05B19/04G05B19/418G06F15/177G05B9/02
    • G05B19/4184G05B19/41855G05B2219/24175G05B2219/24182G05B2219/31121G05B2219/31245Y02P90/14Y02P90/185
    • Functional elements within a two-wire, loop-powered, two-way digital communications environment are interconnected using selective redundant connections and selective redundant functional elements. The redundant functional elements and redundant connections provide a smooth transition from operation of a primary process loop element to a secondary process loop element in the event of a failure of the primary process loop element. Redundancy is selectively implemented using a redundant pair of field devices or a redundant bus pair having a primary bus and a redundant bus. In a first case, redundancy is selectively implemented using a single set of communication media, such as a single communication loop, but implementing redundant functional elements, such as field devices, so that recovery is achieved upon failure of a functional element but not upon failure of the communication media. In a second case, redundancy is selectively implemented using a redundant set of communication media in addition to use of redundant devices so that recovery is attained both for a failing device and a failing communication media. In a third case, redundancy is selectively implemented using a redundant set of communication media but using a single device so that recovery is attained for a failing communication media but not for a failing device.
    • PCT No.PCT / US97 / 17983 Sec。 371日期1997年12月30日 102(e)1997年12月30日PCT PCT 1997年10月3日PCT公布。 WO96 / 12993 PCT出版物 日期1996年5月2日两线环路供电的双向数字通信环境中的功能元件使用选择性冗余连接和选择性冗余功能元件进行互连。 冗余功能元件和冗余连接在主过程环路元件发生故障的情况下提供从主过程环路元件的操作到辅助过程回路元件的平滑过渡。 使用冗余现场设备对或具有主总线和冗余总线的冗余总线对来选择性地实现冗余。 在第一种情况下,使用单一通信介质(例如单个通信环路)来选择性地实现冗余,但是实现诸如现场设备的冗余功能元件,使得在功能元件故障时而不是故障时实现恢复 的通讯媒体。 在第二种情况下,除了使用冗余设备之外,还使用冗余的通信介质集来选择性地实现冗余,从而为故障设备和故障通信介质实现恢复。 在第三种情况下,使用冗余的通信介质集合来选择性地实现冗余,但是使用单个设备,使得对于故障通信介质而不是为了故障设备而实现恢复。
    • 6. 发明授权
    • Read apparatus of RF tag and method of controlling read of RF tag
    • RF标签的读取装置和RF标签的读取控制方法
    • US08536974B2
    • 2013-09-17
    • US12689595
    • 2010-01-19
    • Satoshi Kinoshita
    • Satoshi Kinoshita
    • H04B1/20
    • G06K7/0008G05B2219/24175G06K7/10356
    • An RF tag system includes a first reader/writer unit and a second reader/writer unit. A first reader/writer control unit is configured to control the first reader/writer unit to read a first data from a first RF tag, and to detect a trouble state of the first reader/writer unit. A second reader/writer control unit is configured to control the second reader/writer unit to read a second data from a second RF tag, and to detect a trouble state of the second reader/writer unit. A monitoring section is configured to issue a selection instruction and to monitor the first reader/writer unit through the first reader/writer control unit, and the second reader/writer unit through the second reader/writer control unit. A switching section is configured to select one of the first reader/writer control unit and the second reader/writer control unit in response to the selection instruction from the monitoring section.
    • RF标签系统包括第一读取器/写入器单元和第二读取器/写入器单元。 第一读写器控制单元被配置为控制第一读/写器单元从第一RF标签读取第一数据,并且检测第一读/写器单元的故障状态。 第二读写器控制单元被配置为控制第二读/写器单元从第二RF标签读取第二数据,并检测第二读/写单元的故障状态。 监视部分被配置为发出选择指令,并通过第一读写器控制单元和第二读/写器单元通过第二读/写器控制单元来监视第一读/写器单元。 切换部分被配置为响应于来自监视部分的选择指令来选择第一读取器/写入器控制单元和第二读取器/写入器控制单元中的一个。
    • 7. 发明授权
    • Method and apparatus for providing redundant I/O adapters in machine and process controllers
    • 在机器和过程控制器中提供冗余I / O适配器的方法和设备
    • US07596635B2
    • 2009-09-29
    • US11167700
    • 2005-06-27
    • Timothy SiorekJoseph G. VazachYas HarasawaRobert J. Kretschmann
    • Timothy SiorekJoseph G. VazachYas HarasawaRobert J. Kretschmann
    • G06F11/16
    • G05B19/0425G05B19/054G05B2219/24175
    • Methods and apparatus for redundancy in machine or process control systems provide redundant communication adapters located with the groups of I/O modules, so that if the first communication adapter faults or becomes unavailable, a second communication adapter will perform all of the necessary functions of the first adapter. The adapters are connected to a multiplexing module for communicating input data from the I/O modules to the communication adapters, for exchanging initialization data with the first communication adapter and the second communication adapter to initialize the redundant mode of operation and for monitoring communication of the first communication adapter and the second communication adapter on the network to start up the second adapter as the primary adapter for communicating both input data and output data with the I/O modules.
    • 在机器或过程控制系统中冗余的方法和装置提供了与I / O模块组一起定位的冗余通信适配器,使得如果第一通信适配器故障或变得不可用,则第二通信适配器将执行所有必需的功能 第一个适配器。 适配器连接到多路复用模块,用于将来自I / O模块的输入数据传送到通信适配器,用于与第一通信适配器和第二通信适配器交换初始化数据以初始化冗余操作模式并监视 第一通信适配器和网络上的第二通信适配器,以将第二适配器作为用于通过I / O模块传送输入数据和输出数据的主适配器。
    • 8. 发明申请
    • Read apparatus of RF tag and method of controlling read of RF tag
    • RF标签的读取装置和RF标签的读取控制方法
    • US20070236326A1
    • 2007-10-11
    • US11728371
    • 2007-03-26
    • Satoshi Kinoshita
    • Satoshi Kinoshita
    • G05B23/02
    • G06K7/0008G05B2219/24175G06K7/10356
    • An RF tag system includes a first reader/writer unit and a second reader/writer unit. A first reader/writer control unit is configured to control the first reader/writer unit to read a first data from a first RF tag, and to detect a trouble state of the first reader/writer unit. A second reader/writer control unit is configured to control the second reader/writer unit to read a second data from a second RF tag, and to detect a trouble state of the second reader/writer unit. A monitoring section is configured to issue a selection instruction and to monitor the first reader/writer unit through the first reader/writer control unit, and the second reader/writer unit through the second reader/writer control unit. A switching section is configured to select one of the first reader/writer control unit and the second reader/writer control unit in response to the selection instruction from the monitoring section.
    • RF标签系统包括第一读取器/写入器单元和第二读取器/写入器单元。 第一读写器控制单元被配置为控制第一读/写器单元从第一RF标签读取第一数据,并且检测第一读/写器单元的故障状态。 第二读写器控制单元被配置为控制第二读/写器单元从第二RF标签读取第二数据,并检测第二读/写单元的故障状态。 监视部分被配置为发出选择指令,并通过第一读写器控制单元和第二读/写器单元通过第二读/写器控制单元来监视第一读/写器单元。 切换部分被配置为响应于来自监视部分的选择指令来选择第一读取器/写入器控制单元和第二读取器/写入器控制单元中的一个。