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    • 2. 发明授权
    • Sequence control system
    • 顺序控制系统
    • US4298958A
    • 1981-11-03
    • US73370
    • 1979-09-07
    • Masaoki TakakiHirokazu SawanoKunio YamanakaKazuyoshi AsadaKeiji HideshimaHaruo Koyanagi
    • Masaoki TakakiHirokazu SawanoKunio YamanakaKazuyoshi AsadaKeiji HideshimaHaruo Koyanagi
    • G05B19/05G05B11/00G06F9/06G06F11/00
    • G05B19/056G05B2219/1127G05B2219/1159G05B2219/13016G05B2219/13052G05B2219/13128G05B2219/13171G05B2219/13186G05B2219/14112G05B2219/15018G05B2219/15107G05B2219/33182
    • A sequence control system suitable for checking the operation of an information processor includes a process I/O unit for receiving input data from process inputs and providing output data to process outputs; a sequence processing unit for calculating data at the process outputs by performing sequence operations according to the sequence programs stored in a sequence program memory on the basis of the data at the process inputs; a buffer memory provided between the process I/O unit and the sequence processing unit for storing both the process input data from the process I/O unit and the output data from the sequence processing unit; a control arrangement for setting the input data to the buffer memory and for allowing access to a selected sequence program according to manually set input information; a display for displaying the selected sequence program accessed through the control arrangement; and a switch for interrupting the transfer of I/O data between the process I/O unit and the buffer memory. The sequence processing unit determines the output data on the basis of the input data stored in the buffer memory and applies the output data to the buffer memory. The control arrangement, in response to the manually set input information, causes the associated sequence program to be read from the sequence program memory and then the data of the inputs and outputs associated with the sequence program to be read from the buffer memory thereby to indicate them on the display.
    • 适用于检查信息处理器的操作的顺序控制系统包括用于从过程输入接收输入数据并提供输出数据以处理输出的过程I / O单元; 序列处理单元,用于根据处理输入中的数据,通过根据存储在序列程序存储器中的顺序程序执行顺序操作来计算处理输出中的数据; 设置在处理I / O单元和序列处理单元之间的缓冲存储器,用于存储来自处理I / O单元的过程输入数据和来自序列处理单元的输出数据; 用于将输入数据设置到缓冲存储器并且允许根据手动设置的输入信息访问所选择的顺序程序的控制装置; 用于显示通过所述控制装置访问的所选序列程序的显示器; 以及用于中断I / O单元和缓冲存储器之间的I / O数据传输的开关。 序列处理单元基于存储在缓冲存储器中的输入数据来确定输出数据,并将输出数据应用于缓冲存储器。 控制装置响应于手动设置的输入信息,使得从序列程序存储器中读取相关联的顺控程序,然后使与从序列程序相关联的输入和输出的数据从缓冲存储器读取,从而指示 他们在展示。