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A system for the controlled switching off of branches of a serial communication system in an electronic control system for on-board equipment of a motor vehicle
A system for the controlled switching off of branches of a serial communication system in an electronic control system for on-board equipment of a motor vehicle
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机译:一种用于在机动车辆的车载设备的电子控制系统中控制关闭串行通信系统的分支的系统
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摘要
A control system comprises at least one electronic control unit (10) intended to manage the passenger compartment and/or vehicle body functions, which can be connected to a plurality of driving circuit modules (14-17) for driving on board devices through a serial communication network (12), in which the driving modules (14-17) of the on board devices are each connected through a respective peripheral communication branch (24-26) to a common node of the network (12), and to the control unit (10) through a single main physical communication line (20). An interface circuit (35) is interposed between the main communication line (20) and the branches (24-26) of the network (12) at the common node, and includes a plurality of controlled switching devices (40) corresponding in number to the number of branches (24-26) of the network (12), and is operable selectively to interrupt connection of one or more peripheral communication branches (24-26) to the main communication line (20). IMAGE
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