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      DSU221

      Freelance RS485 Cable

      Product Information

      Product Describe

      Freelance RS485 Cable

      Diode Supply Unit

      DSU is dimensioned for motor

      power minus ISU power

      ABB H&B Freelance 2000

      • 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
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of ABB
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          FAQ

          • 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.

          • 20 Years of Excellence in Industrial Automation Supply

            For over 20 years, Moore Automated has been a trusted leader in the industrial automation supply industry. As a dependable automation parts supplier, we’ve expanded our product lines, grown a global customer base, and earned repeated recognition as a Most Trusted and Reliable Supplier Award.

            Our long-standing success reflects our commitment to quality, reliability, and customer satisfaction. Whether you’re sourcing hard-to-find components or need expert repairs, Moore Automated stands out among industrial automation parts suppliers for our experience, service, and unbeatable 1-year warranty.

          • Unbeatable 1-Year Warranty on Industrial Automation Parts

            When it comes to industrial automation supply, Moore Automated leads the way with exceptional quality and reliability. All of our PLC, DCS spare parts and repair services are backed by an unbeatable 1-year warranty, giving you the confidence you deserve when choosing an automation parts supplier.

            As one of the most trusted industrial automation parts suppliers, we understand the importance of dependable performance. That’s why we go beyond industry standards—offering a 1-year warranty that outperforms typical coverage. Whether you’re replacing obsolete components or maintaining critical systems, Moore Automated provides the high-quality parts and expert repairs you need.


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            Downtime can cost you time and money—Moore Automated is here to help. As a reliable automation parts supplier, we offer emergency shipping to get critical components to you fast and minimize disruptions.

            With two decades of experience in industrial automation supply, we understand how vital speed and reliability are. That’s why we’re proud to be one of the few industrial automation parts suppliers offering urgent shipping options to keep your operations running smoothly.


            Need it now? Count on Moore Automated for fast, dependable emergency delivery backed by our unbeatable 1-year warranty.

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