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    • 30. 发明授权
    • Processing unit, process control system and control method
    • 处理单元,过程控制系统和控制方法
    • US08671300B2
    • 2014-03-11
    • US12938557
    • 2010-11-03
    • Noritaka MatsumotoTsutomu YamadaEiji KobayashiAkihiro OhashiShin Kokura
    • Noritaka MatsumotoTsutomu YamadaEiji KobayashiAkihiro OhashiShin Kokura
    • G06F1/04G06F1/12G06F15/16
    • G06F11/0766G06F11/0724G06F11/076
    • A processing unit is connected to another processing unit through a system bus composed of serial signal communication line and synchronization signal communication line to be able to communicate therewith. When an operation unit detects abnormal state in the processing unit, the operation unit supplies notification of detection of the abnormal state to synchronization unit. The synchronization unit transmits the received detection notification of abnormal state to the other processing unit through the synchronization signal communication line. Conversion unit receives parallel communication data from the operation unit through important signal line instead of general signal line and converts the received parallel signal into serial signal to be transmitted to the other processing unit through the serial signal communication line, thereby soundness among processing units connected to the system bus is ensured when the system bus is configured to attain serial communication.
    • 处理单元通过由串行信号通信线路和同步信号通信线路组成的系统总线连接到另一个处理单元,以能够与其通信。 当操作单元检测到处理单元中的异常状态时,操作单元将异常状态的检测通知提供给同步单元。 同步单元通过同步信号通信线路将接收到的异常状态的检测通知发送给其他处理单元。 转换单元通过重要信号线代替通用信号线从操作单元接收并行通信数据,并将接收到的并行信号转换为串行信号,以通过串行信号通信线路发送到另一个处理单元,从而在连接到 当系统总线被配置为实现串行通信时,确保系统总线。