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    • 4. 发明申请
    • Intrinsically Safe DSL Circuit
    • 本质安全DSL电路
    • US20100303138A1
    • 2010-12-02
    • US12599314
    • 2008-05-09
    • Renato KitchenerGunther RogollMichael Kessler
    • Renato KitchenerGunther RogollMichael Kessler
    • H04B17/00
    • H04L12/10G05B2219/24028G05B2219/25008G05B2219/25428
    • An electrical installation comprising control and/or monitoring means connected to a field device by means of an electrical communications circuit, in which the communications circuit comprises a power supply, a communications device, the field device as a load thereof, and Intrinsic Safety means, in which the communications device is adapted to send and receive signals over the communications circuit to and from the field device, in which the field device is adapted to send and receive signals over the communications circuit to and from the communications device, in which the Intrinsic Safety means renders all or part of the communications circuit Intrinsically Safe, in which the field device is located in an Intrinsically Safe part of the communications circuit, characterised in which the communications circuit is adapted to carry DSL signals, and in which the communications device and the field device communicate with one another according to the DSL protocol.
    • 一种电气设备,包括通过电气通信电路连接到现场设备的控制和/或监视装置,其中通信电路包括电源,通信设备,作为其负载的现场设备以及本质安全装置, 其中通信设备适于通过通信电路发送和接收来自现场设备的信号,其中现场设备适于通过通信电路发送和接收来自和来自通信设备的信号,其中内在的 安全意味着使通信电路本质安全的全部或部分本地安全,其中现场设备位于通信电路的本质安全部分中,其特征在于通信电路适于承载DSL信号,并且其中通信设备和 现场设备根据DSL协议相互通信。