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HART MODEM HART to RS485 converter to RS232 HART Modem SM101-D

SM101-D is a HART modem independently developed and produced by Jiaxing Songmao Electronics Co., Ltd. according to industrial standards. It can communicate with HART instruments from any manufacturer, such as Rosemount, E+H, Siemens, Cologne, Yokogawa, Kawai, etc. The modem is equipped with standard RS485 interface and RS232 interface, the users can use it conveniently and quickly.
Since the SM101-D modem is designed for industrial product integration, it adopts special designs in temperature range, vibration, electromagnetic compatibility and interface diversity, ensuring stable operation in harsh environments and providing high quality assurance for your equipment.

    Product performance

    • Supported operating systems: Windows XP, Windows 7, Windows 10.
    • Using industrial universal module housing, easy to install and debug.
    • Equipped with special configuration software, it can communicate data with HART instruments through a modem.
    • Standard HART protocol transmission.
    • Fully transparent data conversion.
    • Compatible with any HART protocol.
    • HART signals are transmitted using an isolation transformer.
    • Built-in high-precision loop 250Ω resistor, no additional resistor is needed during communication testing.
    • The housing panel features status indicators, providing clear visibility of the modem's operational state.

    Main Parameters

    • Power input voltage: DC 12~24V, the power ripple must not be greater than 200mV , and the current must provide 100mA.
    • Housing dimensions: 96 mm long × 80 mm wide × 25 mm high.
    • Working environment temperature: -20℃~+80℃.
    • Relative humidity: 10% ~ 80%.
    Download_file
    SM101-D.zip
    Download_file
    SM101-D (2025_02_24)-User Manual.pdf

    FAQ

    1.Are you a factory or trading company?
    We are a high-tech enterprise factory integrating R&D, production and sales. We have a complete ERP system and equipment, which can meet your procurement needs.

    2.Delivery?
    Goods will be dispatched within three working days after receiving the payment.

    3.MOQ?
    Under normal circumstances, we support a minimum order of one piece.

    4.IS OEM service available ?
    Yes, product could print your logo , or customized by your design.

    5.Payment?
    100% payment. You can make the payment by telegraphic transfer.

    6.Does SM101-D support communication with hart instruments of all brands?
    Yes, as long as the instrument is equipped with the hart protocol, it will communicate.

    7.Can the baud rate of the SM101-D device be modified?
    Modification is not supported.

    Contact US

    All products of our company come with a three-year warranty.

    If you encounter any problems during use, please contact us. WhatsApp contact information: 18105734868, WeChat contact information: 17769909079

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