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    • 81. 发明公开
    • Mesh data network data management system, node, and computer program product
    • DatenmanagementsystemfürMESH-Datennetzwerke,Knoten und Computerprogrammprodukt
    • EP2521314A1
    • 2012-11-07
    • EP12166063.3
    • 2012-04-27
    • General Electric Company
    • Mayo, Thomas Clayton
    • H04L12/24
    • H04L41/065H04L41/0686Y04S40/166
    • A mesh data network data management system where each of a plurality of nodes (300) collects data when a respective triggering event (324) occurs, puts the collected data (314) in a reporting data packet (310), and sends the reporting data packet (310) to an upstream node (300) in the mesh data network. If a reporting node (300) is in communication with a downstream node (300), it may also place received downstream data (334) in the reporting data packet (310) so that all data from a branch of the mesh data network in which the reporting node (300) operates may be included in the reporting data packet (310).
    • 一种网状数据网络数据管理系统,其中当相应的触发事件(324)出现时,多个节点(300)中的每一个收集数据,将所收集的数据(314)放入报告数据分组(310)中,并发送报告数据 分组(310)到网状数据网络中的上游节点(300)。 如果报告节点(300)与下游节点(300)通信,则还可以将接收到的下游数据(334)放置在报告数据分组(310)中,使得来自网状数据网络的分支的所有数据 报告节点(300)操作可以被包括在报告数据分组(310)中。
    • 84. 发明公开
    • IDENTIFYING IMPROPER CABLING OF DEVICES
    • 识别设备的nichtordungsgemässen布线
    • EP2163024A1
    • 2010-03-17
    • EP08774202.9
    • 2008-06-23
    • ABB Technology AG
    • WIMMER, Wolfgang
    • H04L1/22H04L12/26
    • H04L41/06H04L1/22H04L43/0847Y04S40/166Y04S40/168
    • The present invention is concerned with the identification of an improper cabling of control system devices connected to redundant communication networks of a distributed control system, in particular a substation automation system. As proposed in the standard IEC 62439 (Parallel Redundancy Protocol PRP), messages including a sender identification or source address as well as network or associated device port identification are transmitted from a sending device to a receiving device over the redundant networks. The receiving or destination device determines a connect status indicating whether or not a message has been received on a particular device port, as well as an error event indicating whether or not said device port is associated to the network identified in the received message. By doing so for at least two distinct sending devices, the invention produces, in addition to diagnosing an improper communication path between two devices, an indication as to the location and/or type of wrong cabling. Single error events are preferably supplanted by error rates calculated as a probability of receiving messages on a device port not associated to the network identified in the received message and compared to error thresholds for the purpose of identifying improper cabling.