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    • 1. 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。