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    • 3. 发明申请
    • Controller managing system
    • 控制器管理系统
    • US20050143840A1
    • 2005-06-30
    • US11019391
    • 2004-12-23
    • Sadao MatsukuraTakashi HosakaNorinaga Mutai
    • Sadao MatsukuraTakashi HosakaNorinaga Mutai
    • G05B19/418G05B19/042G05B15/02G05B11/01G05B19/18G06F1/26G06F1/28G06F1/30
    • G05B19/0423Y02P90/087
    • A controller managing system that enables a computer of a managing device to efficiently perform communication processing with a plurality of controllers. These controllers are connected via a network. to the monitoring computer of the managing device. The monitoring computer performs a power status determination task and a monitoring task. Each controller transmits power-ON information representing a power ON state to the monitoring computer at prescribed intervals. When the power status determination task cannot receive the power-ON information within a predetermined time period from either one of the controllers, it is determined that the power supply to that controller is OFF. The monitoring task skips the controller that is determined as being in a power OFF state; so as not to receive data therefrom, and communicates with the next controller that is in a power ON state. Since the controller whose power is OFF is skipped so as not to perform data reception communication therewith, time for wasteful timeout processing is unnecessary and efficient communication can be achieved.
    • 一种控制器管理系统,其使得管理设备的计算机能够有效地执行与多个控制器的通信处理。 这些控制器通过网络连接。 到管理设备的监视计算机。 监视计算机执行电源状态确定任务和监视任务。 每个控制器以规定的间隔向监视计算机发送表示电源接通状态的通电信息。 当电源状态确定任务在从任一个控制器的预定时间段内不能接收到电源接通信息时,确定到该控制器的电源为OFF。 监视任务跳过确定为处于电源关闭状态的控制器; 从而不从其接收数据,并且与处于电源接通状态的下一个控制器进行通信。 由于跳过功率为OFF的控制器,以便不进行与其的数据接收通信,因此不需要浪费超时处理的时间,并且可以实现有效的通信。