PROGRAMMABLE CONTROLLER AND COMMUNICATION UNIT THEREFOR
    2.
    发明申请
    PROGRAMMABLE CONTROLLER AND COMMUNICATION UNIT THEREFOR 有权
    可编程控制器和通信单元

    公开(公告)号:US20090198844A1

    公开(公告)日:2009-08-06

    申请号:US12366838

    申请日:2009-02-06

    IPC分类号: G06F12/08 G06F3/00

    摘要: A programmable controller includes a CPU unit, a communication unit and peripheral units connected together through an internal bus. The communication unit has a bus master function, including a cache memory for recording IO data stored in the memory of an input-output unit. When a message is received, it is judged whether the IO data stored in the memory of the input-output unit specified by this message is updated or not. If the data are not updated, a response is created based on the IO data stored in the IO data stored in the cache memory. If the data are updated, the input-output unit is accessed and updated IO data are obtained and a response is created based on the obtained IO data.

    摘要翻译: 可编程控制器包括CPU单元,通信单元和通过内部总线连接在一起的外围单元。 通信单元具有总线主机功能,包括用于记录存储在输入 - 输出单元的存储器中的IO数据的高速缓冲存储器。 当接收到消息时,判断存储在由该消息指定的输入 - 输出单元的存储器中的IO数据是否被更新。 如果数据未更新,则基于存储在高速缓存存储器中的IO数据中的IO数据创建响应。 如果更新数据,则访问和更新输入输出单元,获得IO数据,并根据所获得的IO数据创建响应。

    Programmable controller and communication unit therefor
    3.
    发明授权
    Programmable controller and communication unit therefor 有权
    可编程控制器及其通讯单元

    公开(公告)号:US07509440B2

    公开(公告)日:2009-03-24

    申请号:US11796560

    申请日:2007-04-27

    IPC分类号: G06F3/00

    摘要: A programmable controller includes a CPU unit, a communication unit and peripheral units connected together through an internal bus. The communication unit has a bus master function, including a cache memory for recording IO data stored in the memory of an input-output unit. When a message is received, it is judged whether the IO data stored in the memory of the input-output unit specified by this message is updated or not. If the data are not updated, a response is created based on the IO data stored in the IO data stored in the cache memory. If the data are updated, the input-output unit is accessed and updated IO data are obtained and a response is created based on the obtained IO data.

    摘要翻译: 可编程控制器包括CPU单元,通信单元和通过内部总线连接在一起的外围单元。 通信单元具有总线主机功能,包括用于记录存储在输入 - 输出单元的存储器中的IO数据的高速缓冲存储器。 当接收到消息时,判断存储在由该消息指定的输入 - 输出单元的存储器中的IO数据是否被更新。 如果数据未更新,则基于存储在高速缓存存储器中的IO数据中的IO数据创建响应。 如果更新数据,则访问和更新输入输出单元,获得IO数据,并根据所获得的IO数据创建响应。

    Programmable controller and communication unit therefor
    4.
    发明授权
    Programmable controller and communication unit therefor 有权
    可编程控制器及其通讯单元

    公开(公告)号:US07752341B2

    公开(公告)日:2010-07-06

    申请号:US12366838

    申请日:2009-02-06

    IPC分类号: G06F3/00

    摘要: A programmable controller includes a CPU unit, a communication unit and peripheral units connected together through an internal bus. The communication unit has a bus master function, including a cache memory for recording IO data stored in the memory of an input-output unit. When a message is received, it is judged whether the IO data stored in the memory of the input-output unit specified by this message is updated or not. If the data are not updated, a response is created based on the IO data stored in the IO data stored in the cache memory. If the data are updated, the input-output unit is accessed and updated IO data are obtained and a response is created based on the obtained IO data.

    摘要翻译: 可编程控制器包括CPU单元,通信单元和通过内部总线连接在一起的外围单元。 通信单元具有总线主机功能,包括用于记录存储在输入 - 输出单元的存储器中的IO数据的高速缓冲存储器。 当接收到消息时,判断存储在由该消息指定的输入 - 输出单元的存储器中的IO数据是否被更新。 如果数据未更新,则基于存储在高速缓存存储器中的IO数据中的IO数据创建响应。 如果更新数据,则访问和更新输入输出单元,获得IO数据,并根据所获得的IO数据创建响应。

    Programmable controller and communication unit therefor
    5.
    发明申请
    Programmable controller and communication unit therefor 有权
    可编程控制器及其通讯单元

    公开(公告)号:US20070288673A1

    公开(公告)日:2007-12-13

    申请号:US11796560

    申请日:2007-04-27

    IPC分类号: G06F13/00

    摘要: A programmable controller includes a CPU unit, a communication unit and peripheral units connected together through an internal bus. The communication unit has a bus master function, including a cache memory for recording IO data stored in the memory of an input-output unit. When a message is received, it is judged whether the IO data stored in the memory of the input-output unit specified by this message is updated or not. If the data are not updated, a response is created based on the IO data stored in the IO data stored in the cache memory. If the data are updated, the input-output unit is accessed and updated IO data are obtained and a response is created based on the obtained IO data.

    摘要翻译: 可编程控制器包括CPU单元,通信单元和通过内部总线连接在一起的外围单元。 通信单元具有总线主机功能,包括用于记录存储在输入 - 输出单元的存储器中的IO数据的高速缓冲存储器。 当接收到消息时,判断存储在由该消息指定的输入 - 输出单元的存储器中的IO数据是否被更新。 如果数据未更新,则基于存储在高速缓存存储器中的IO数据中的IO数据创建响应。 如果更新数据,则访问和更新输入输出单元,获得IO数据,并根据所获得的IO数据创建响应。