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      DSU221

      Freelance RS485 Cable
      In Stock

      Product Information:

      Freelance RS485 Cable

      Diode Supply Unit

      DSU is dimensioned for motor

      power minus ISU power

      ABB H&B Freelance 2000

      Warranty Policy
      We provide 1 year warranty for all remaining parts.
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      Return Notice
      The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
      Shiping Mode
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for DSU221

      • Manufacturer:
        ABB
      • Product Category:
        DCS System
      • 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%
      • Stock:
        25
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      FAQ

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      • 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.
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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.