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    INTRINSIC SAFETY (IS) BARRIERS MOUNTABLE ON TERMINAL BLOCKS OF INPUT/OUTPUT (I/O) MODULES OR OTHER DEVICES
    2.
    发明申请
    INTRINSIC SAFETY (IS) BARRIERS MOUNTABLE ON TERMINAL BLOCKS OF INPUT/OUTPUT (I/O) MODULES OR OTHER DEVICES 审中-公开

    公开(公告)号：US20190123548A1

    公开(公告)日：2019-04-25

    申请号：US16043288

    申请日：2018-07-24

    Applicant: Honeywell International Inc.

    Inventor： Dinesh Kumar KN ,  Sai Krishnan Jagannathan ,  Hemanth Vijaykumar

    IPC: H02H9/00 ,  H02H9/02 ,  H04L25/02 ,  G05B19/042

    Abstract: A system includes a module having at least one input/output (I/O) channel. The system also includes a terminal block having terminals configured to provide electrical connections for the at least one I/O channel. The system further includes a barrier assembly having one or more intrinsic safety (IS) barriers. Each IS barrier is configured to receive at least one data or power signal, limit an amount of energy in the at least one data or power signal, and output the at least one energy-limited data or power signal. Each IS barrier includes at least one limiter circuit configured to limit the amount of energy in the at least one data or power signal. Each IS barrier is configured to be mounted on the terminal block. Each IS barrier could be configured to provide galvanic isolation between multiple devices or systems coupled to the IS barrier. Each limiter circuit could include a current limiter.

    Intrinsic safety (IS) barriers mountable on terminal blocks of input/output (I/O) modules or other devices
    3.
    发明授权
    Intrinsic safety (IS) barriers mountable on terminal blocks of input/output (I/O) modules or other devices 有权

    公开(公告)号：US11063426B2

    公开(公告)日：2021-07-13

    申请号：US16043288

    申请日：2018-07-24

    Applicant: Honeywell International Inc.

    Inventor： Dinesh Kumar KN ,  Sai Krishnan Jagannathan ,  Hemanth Vijaykumar

    IPC: H02H9/00 ,  G05B19/042 ,  H02H9/02 ,  H04L25/02

    Abstract: A system includes a module having at least one input/output (I/O) channel. The system also includes a terminal block having terminals configured to provide electrical connections for the at least one I/O channel. The system further includes a barrier assembly having one or more intrinsic safety (IS) barriers. Each IS barrier is configured to receive at least one data or power signal, limit an amount of energy in the at least one data or power signal, and output the at least one energy-limited data or power signal. Each IS barrier includes at least one limiter circuit configured to limit the amount of energy in the at least one data or power signal. Each IS barrier is configured to be mounted on the terminal block. Each IS barrier could be configured to provide galvanic isolation between multiple devices or systems coupled to the IS barrier. Each limiter circuit could include a current limiter.

    MAC and physical layer techniques for enabling communications on shared physical medium with multi-drop capability
    4.
    发明授权
    MAC and physical layer techniques for enabling communications on shared physical medium with multi-drop capability 有权

    公开(公告)号：US10447493B2

    公开(公告)日：2019-10-15

    申请号：US15342897

    申请日：2016-11-03

    Applicant: Honeywell International Inc.

    Inventor： Amol Kinage ,  Sai Krishnan Jagannathan ,  Dinesh Kumar KN

    IPC: H04L12/40 ,  H04B1/38 ,  H04L7/00 ,  H04L29/08

    Abstract: An apparatus includes at least one transceiver configured to transmit or receive at least one data signal over a shared physical medium. The physical medium includes a bus configured to be coupled to multiple devices including the apparatus and provides a multi-drop capability. The at least one transceiver is configured to transmit or receive the at least one data signal at a rate of more than 10 Mbps. In some embodiments, the apparatus includes a MAC driver configured to route network layer data over the physical medium. In other embodiments, the apparatus includes a MAC driver configured to control transmissions and receptions of network layer data over the physical medium by the at least one transceiver and a logic device configured to control physical layer signaling, interface with the MAC driver, enable the transmissions and receptions of the network layer data on the physical medium, and implement collision detection and avoidance.

    INTRINSIC SAFETY (IS) BARRIER WITH ASSOCIATED ENERGY LIMITING APPARATUS
    6.
    发明申请
    INTRINSIC SAFETY (IS) BARRIER WITH ASSOCIATED ENERGY LIMITING APPARATUS 审中-公开

    公开(公告)号：US20190056708A1

    公开(公告)日：2019-02-21

    申请号：US16008941

    申请日：2018-06-14

    Applicant: Honeywell International Inc.

    Inventor： Dinesh Kumar KN ,  Sai Krishnan Jagannathan ,  Murali Krishna Bezawada

    IPC: G05B19/042 ,  G06F13/40 ,  G06F9/445

    Abstract: An apparatus includes first and second hardware components. The first component includes at least one first input configured to receive at least one first data or power signal, at least one voltage clamping circuit configured to limit a voltage of the at least one first data or power signal, and at least one first output configured to provide the at least one voltage-limited first data or power signal. The second component includes at least one second input configured to receive at least one second data or power signal, at least one limiter circuit configured to limit an amount of energy in the at least one second data or power signal, and at least one second output configured to provide the at least one energy-limited second data or power signal. The at least one second data or power signal comprises or is based on the at least one voltage-limited first data or power signal.

    Intrinsic barrier device with software configurable IO type
    8.
    发明授权
    Intrinsic barrier device with software configurable IO type 有权
    具有软件可配置IO类型的本征屏障设备

    公开(公告)号：US09361247B1

    公开(公告)日：2016-06-07

    申请号：US14546211

    申请日：2014-11-18

    Applicant: HONEYWELL INTERNATIONAL INC.

    Inventor： Dinesh Kumar Kn ,  Paul Gerhart ,  Sai Krishnan Jagannathan

    IPC: G06F15/177 ,  G06F13/10 ,  G06F13/20

    CPC classification number: G06F13/102 ,  G05B9/02 ,  G05B19/0425 ,  G05B19/0428 ,  G05B2219/25428 ,  G06F13/20

    Abstract: An intrinsic barrier device, method and computer program product for isolating a communication channel of an input/output (IO) module from a field device. The intrinsic barrier device includes a front end having a programming input adapted to receive an analog input (AI), analog output (AO), digital input (DI) or digital output (DO) IO type configuration signal. The intrinsic barrier device also includes a processor to process the IO type configuration signal and an associated memory device storing an intrinsic barrier IO type configuration (IBTC) program. The processor is programmed to implement the IBTC program. The processor, responsive to the IO type configuration signal configures the intrinsic barrier device to operate as the AI, AO, DI or DO for supporting communications through the intrinsic barrier device over the communication channel between the IO module and the field device in the AI, AO, DI or DO.

    Abstract translation: 一种用于从现场设备隔离输入/输出（IO）模块的通信信道的固有障碍装置，方法和计算机程序产品。 本征阻挡器件包括具有适于接收模拟输入（AI），模拟输出（AO），数字输入（DI）或数字输出（DO）IO类型配置信号）的编程输入的前端。 本征阻挡装置还包括处理IO类型配置信号的处理器和存储本征屏障IO类型配置（IBTC）程序的相关联的存储器件。 处理器被编程为实现IBTC程序。 处理器响应于IO类型配置信号，将内部屏障设备配置为通过内部屏障设备通过AI模块和现场设备之间的通信通道支持通信的AI，AO，DI或DO， AO，DI或DO。

    Intrinsic safety (IS) barrier with associated energy limiting apparatus
    9.
    发明授权
    Intrinsic safety (IS) barrier with associated energy limiting apparatus 有权

    公开(公告)号：US10942499B2

    公开(公告)日：2021-03-09

    申请号：US16008941

    申请日：2018-06-14

    Applicant: Honeywell International Inc.

    Inventor： Dinesh Kumar KN ,  Sai Krishnan Jagannathan ,  Murali Krishna Bezawada

    IPC: G05B19/042 ,  H02H9/00 ,  G06F9/445 ,  G06F13/40

    Abstract: A method and apparatus is disclosed that includes first and second hardware components. The first component includes at least one first input configured to receive at least one first data or power signal, at least one voltage clamping circuit configured to limit a voltage of the at least one first data or power signal, and at least one first output configured to provide the at least one voltage-limited first data or power signal. The second component includes at least one second input configured to receive at least one second data or power signal, at least one limiter circuit configured to limit an amount of energy in the at least one second data or power signal, and at least one second output configured to provide the at least one energy-limited second data or power signal.

    Non-contact sensing and reading of signals transmitted by a cable
    10.
    发明授权
    Non-contact sensing and reading of signals transmitted by a cable 有权
    通过电缆传输的信号的非接触式感测和读取

    公开(公告)号：US09306622B2

    公开(公告)日：2016-04-05

    申请号：US14482867

    申请日：2014-09-10

    Applicant: HONEYWELL INTERNATIONAL INC.

    Inventor： Dinesh Kumar Kn ,  Sandhya Kavalloor ,  Balakrishna G. Gudi ,  Chandrashekar Thayumanavan ,  Sai Krishnan Jagannathan

    IPC: H04B17/00 ,  H04B3/46 ,  H04L25/02 ,  H04L27/00

    CPC classification number: H04B3/46 ,  G01R29/08 ,  G01R31/021 ,  H04L25/0292 ,  H04L27/0002

    Abstract: A method for sensing modulated signals in a process facility. The method includes providing a monitoring device that includes a non-contact electromagnetic sensor (EM sensor) configured to sense a modulated signal transmitted on a cable including a conductor coupled to a sensing device or apparatus in the process facility. The monitoring device further includes a non-transitory machine readable storage device and a processor. The non-transitory machine readable storage device stores a data decoding program including protocol information for identifying different communication protocols. The monitoring device is positioned in proximity to the cable for the EM sensor to detect the modulated signal. The data decoding program is implemented by the processor causing the processor to detect the modulated signal and condition the modulated signal to provide a conditioned modulated signal. The conditioned modulated signal is decoded to generate decoded signal data, and the decoded signal data is displayed.

    Abstract translation: 一种在过程设备中感测调制信号的方法。 该方法包括提供一种监测装置，其包括配置成感测在电缆上传输的调制信号的非接触电磁传感器（EM传感器），所述调制信号包括耦合到处理设备中的感测装置或设备的导体。 监视装置还包括非暂时机器可读存储装置和处理器。 非暂时机器可读存储装置存储包括用于识别不同通信协议的协议信息的数据解码程序。 监测装置位于靠近EM传感器的电缆以检测调制信号。 数据解码程序由处理器实现，使得处理器检测调制信号并调节调制信号以提供经调节的调制信号。 经调节的调制信号被解码以产生解码的信号数据，并且显示解码的信号数据。

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