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    • 35. 发明申请
    • METHOD OF ACQUIRING STATUS INFORMATION OF I/O UNITS
    • 获取I / O单元状态信息的方法
    • US20080294805A1
    • 2008-11-27
    • US12123975
    • 2008-05-20
    • Yuji SONEKouji Hada
    • Yuji SONEKouji Hada
    • G06F3/00
    • G05B19/058G05B2219/13051G05B2219/15032
    • A method of acquiring status information of I/O units connected to a numerical controller capable of transmitting status information indicative of particulars of an abnormality occurred in any of the I/O units with less influence on an amount of transmittable information of input/output data. When an abnormality has occurred in the I/O unit, the I/O unit transmits an output signal with a status abnormality notifying bit set to a programmable controller (PC) in the numerical controller. The PC stores information indicative of I/O units in which the status abnormality has occurred as status-abnormality acquiring I/O unit information, in a storage device of the PC. The PC requests the status information to the I/O unit in which the abnormality has occurred according to the status-abnormality acquiring I/O unit information. In response to the request, the I/O unit transmits the status information to the PC.
    • 一种获取与数字控制器连接的I / O单元的状态信息的方法,所述数字控制器能够发送指示异常特定的状态信息的任何I / O单元,对输入/输出数据的可发送信息量的影响较小 。 当I / O单元发生异常时,I / O单元将数据控制器中的可编程控制器(PC)设置为状态异常通知位的输出信号。 PC在PC的存储装置中存储表示其中发生状态异常的I / O单元的信息作为状态异常获取I / O单元信息。 PC根据状态异常获取I / O单元信息向发生异常的I / O单元请求状态信息。 响应该请求,I / O单元将状态信息发送给PC。