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      In Stock
      Freelance RS485 Cable

      DSU221

      Spare Part Number

      PN0336773M

      Product Information:

      Freelance RS485 Cable

      Diode Supply Unit

      DSU is dimensioned for motor

      power minus ISU power

      ABB H&B Freelance 2000

      • One-year warranty
      • Global shipping
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      Technical specifications for

      DSU221

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        ABB
      • Product Category:
        DCS Systems
      • Spare Part Number:
        0336773M
      • Estimated shipping dimensions:
        2x25x24.3cm
      • Weight:
        0.45 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        SWEDEN
      • Place of shipment:
        Xiamen, Fujian, China
      • Product Type:
        Cable
      • Category Series:
        ABB H&B Freelance 2000
      • Communication Protocols:
        RS485
      • Voltage:
        120 Vac (+10, -15%)
      • Frequency Response:
        50/60 Hz ±10%
      • Series:
        ABB H&B Freelance 2000
      • Stock:
        25
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        Factory Sealed

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      • 03

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      PRODUCT & ORDER FAQS

      Questions buyers ask about DSU221

      • What types of field devices can be connected to the DSU221 module?

        The DSU221 supports discrete inputs and outputs from a wide range of field devices including limit switches, pushbutton contacts, proximity detectors, alarm indicators, and relay interfaces. Its architecture ensures reliable event capture and actuation signaling in process and discrete automation.

      • In which industrial sectors is DSU221 most effectively deployed?

        The DSU221 is widely deployed in power generation, petrochemical plants, water and wastewater management, pulp and paper processing, and general manufacturing automation, where precise digital signal acquisition and control are fundamental to operational safety and system responsiveness.

      • How does DSU221 integrate with the distributed architecture of the Freelance 2000 system?

        The DSU221 interfaces seamlessly with the Freelance 2000 backplane or distributed I/O network, enabling discrete signal exchange between field hardware and central controllers. It supports synchronized communication with supervisors, logic processors, and higher-level automation layers.

      • Why is DSU221 considered essential for discrete control and interlocking applications?

        The DSU221 is essential because it provides precise and verifiable digital state acquisition and output actuation that are critical for safety interlocks, event sequencing, alarm management, and state machine logic within real-time process control.
      All FAQ
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          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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