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    • 57. 发明申请
    • Wireless bridge device within a process control system
    • 过程控制系统内的无线桥接设备
    • US20050076151A1
    • 2005-04-07
    • US10961104
    • 2004-10-08
    • Gary TappersonThomas Boyd
    • Gary TappersonThomas Boyd
    • G05B15/02G05B19/418G06F15/16
    • G05B19/4185G05B2219/31122G05B2219/31162G05B2219/31251Y02P90/18
    • A wireless bridge device disposed within a process control system provides wireless communication between multiple devices within the process control system, such as between field devices, control units, user terminals, controllers, etc. In one embodiment, a process control system disposed within an industrial process environment includes a first process control device, a bridge device, a plurality of field devices disposed within the industrial process environment and a hardwired communication link disposed between the bridge device and each of the plurality of field devices. A wireless communication network including a first wireless transceiver located at the first process control device and a second wireless transceiver disposed at the bridge device enables the bridge device to operate to relay signals sent over the hardwired communication link from any of the plurality of field devices to the first process control device using the wireless communication network and to operate to relay signals sent over the wireless communication network from the first process control device to one or more of the plurality of field devices using the hardwired communication link.
    • 设置在过程控制系统内的无线桥接器件提供过程控制系统内的多个设备之间的无线通信,诸如在现场设备,控制单元,用户终端,控制器等之间。在一个实施例中,设置在工业控制系统 处理环境包括第一过程控制设备,桥接设备,布置在工业过程环境内的多个现场设备以及设置在桥接设备与多个现场设备中的每一个之间的硬连线通信链路。 包括位于第一处理控制装置的第一无线收发器和设置在桥装置处的第二无线收发器的无线通信网络使得桥接装置能够操作以将通过硬连线通信链路发送的信号中继到多个现场设备中的任一个, 所述第一处理控制装置使用所述无线通信网络并且通过所述无线通信网络将从所述第一处理控制装置发送的信号中继到使用所述硬连线通信链路的所述多个现场装置中的一个或多个的操作。