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    • 4. 发明申请
    • Method and Apparatus for Scrambling a High Speed Data Transmission
    • 用于加扰高速数据传输的方法和装置
    • US20160292426A1
    • 2016-10-06
    • US14672825
    • 2015-03-30
    • Rockwell Automation Technologies, Inc.
    • Anthony G. GibartKenwood H. HallRobert E. Lounsbury
    • G06F21/60H04L9/08G06F13/42
    • G06F21/602G06F13/42G06F21/85G09C1/00H04B15/04H04L9/0668H04L9/0869H04L2209/34
    • A method of transmitting high speed serial data with reduced levels of radiated emissions is disclosed. A transmitting device scrambles data utilizing a pseudo-random number sequence generator. Scrambling the data eliminates transmission of repeated data sequences. The transmitting device similarly scrambles idle pairs of data between data transmissions to eliminate an additional source of repeated data sequences. The scrambled and encoded data is transmitted to a receiving device. The receiving device also includes a pseudo-random number sequence generator. Synchronization of the two pseudo-random number sequence generators occurs by utilizing control characters of the data frame being transmitted. Each of the pseudo-random number sequence generators is configured to generate the same sequence of numbers and is initialized to start with a first number in the sequence of numbers corresponding to the first byte of data being transmitted or received.
    • 公开了一种以较低辐射辐射水平传输高速串行数据的方法。 发送设备使用伪随机数序列发生器来加扰数据。 加扰数据消除了重复数据序列的传输。 发射设备类似地在数据传输之间加扰空闲的数据对,以消除重复数据序列的附加源。 加密和编码的数据被发送到接收设备。 接收装置还包括伪随机数序列发生器。 通过利用被发送的数据帧的控制字符发生两个伪随机数序列发生器的同步。 每个伪随机数序列发生器被配置为生成相同的数字序列,并且被初始化为以与发送或接收的数据的第一字节相对应的数字序列中的第一个数字开始。
    • 5. 发明申请
    • CAPTURING DATA DURING OPERATION OF AN INDUSTRIAL CONTROLLER FOR THE DEBUGGING OF CONTROL PROGRAMS
    • 控制程序调试工业控制器运行期间的捕获数据
    • US20140074275A1
    • 2014-03-13
    • US14084048
    • 2013-11-19
    • Rockwell Automation Technologies, Inc.
    • Robert GuentherSteven A. ZuponcicKenwood H. Hall
    • G05B19/418
    • G05B19/41875G05B19/058
    • An industrial controller module (13a) is provided with a routine of program instructions (29a) for storing a log of I/O table state changes (31) in a defined portion of memory (23). Upon the occurrence of a trigger event, a file of the state changes (37) is saved in the memory (23). Each entry (32) in the log of I/O table state changes (31) includes a timestamp (33) and values of each word of I/O state data (36) that changed at a time of the timestamp. Logs of state change data (16a), including timestamp data can also be saved for intelligent sensors and actuators (16) and uploaded with the log of controller processor state data (31) to a computer (20) with a diagnostic program (21a) for playing back the state changes and synchronizing changes of the intelligent sensors and actuators (16) with changes of the controller processor module (13a).
    • 工业控制器模块(13a)具有用于在存储器(23)的限定部分中存储I / O表状态改变(31)的日志的程序指令(29a)的例程。 在发生触发事件时,状态改变文件(37)被保存在存储器(23)中。 I / O表状态改变日志中的每个条目(32)(31)包括时间戳(33)和在时间戳时改变的I / O状态数据(36)的每个字的值。 还可以为智能传感器和执行器(16)保存包括时间戳数据的状态变化数据(16a)的日志,并用控制器处理器状态数据(31)的日志上传到具有诊断程序(21a)的计算机(20) 用于通过所述控制器处理器模块(13a)的改变来重放所述状态改变和使所述智能传感器和致动器(16)的变化同步。