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DELAYED PUBLISHING IN PROCESS CONTROL SYSTEMS

机译:过程控制系统中的延迟发布

摘要

Techniques for delaying the publication of data to a network by a device in a process control system or plant include obtaining, at the device, data to be published to the network; storing the obtained data and a corresponding timestamp in a cache; triggering a publication of cached data; and, based on the trigger, publishing the oldest cached data to the network during the publishing timeslot assigned to the device. The cached data may correspond to a sample rate of the device and may include multiple instances of data obtained over time. The device includes a network interface, a cache, and a publisher, and the device may be configured to operate in the delayed publishing mode, or to operate in an immediate publishing mode in which currently obtained data that has not been cached is published to the network during the publishing time slot assigned to the device.
机译:用于延迟过程控制系统或工厂中的设备将数据发布到网络的技术包括:在该设备处获取要发布到网络的数据;将获取的数据和对应的时间戳存储在缓存中;触发缓存数据的发布;根据触发条件,在分配给设备的发布时隙中将最早的缓存数据发布到网络。缓存的数据可以对应于设备的采样率,并且可以包括随时间获得的数据的多个实例。该设备包括网络接口,缓存和发布者,并且该设备可以被配置为在延迟发布模式下操作,或者在即时发布模式下操作,在该模式下当前获得的尚未缓存的数据被发布到服务器。网络在分配给设备的发布时隙中。

著录项

  • 公开/公告号EP2769530B1

    专利类型

  • 公开/公告日2018-02-21

    原文格式PDF

  • 申请/专利权人 FISHER CONTROLS INTERNATIONAL LLC;

    申请/专利号EP20120788358

  • 发明设计人 PANTHER MITCHELL S.;

    申请日2012-10-22

  • 分类号H04L29/08;

  • 国家 EP

  • 入库时间 2022-08-21 13:18:17

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