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      1747-L543/C

      Controller module

      Product Information

      Product Describe

      Controller module for the SLC 500

      Modular Hardware by Allen-Bradley

      It comes with Memory or 64 KB, and

      built-in communication interfaces

      such as 9-Pin RS-232 Port and 3 Wire

      terminal Data Highway Plus (DH+) protocol

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC System
      • Spare Part Number:
        SLC5/04
      • Estimated shipping dimensions:
        7.6 cm x 12.7 cm x 15.2 cm
      • Weight:
        0.3 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Memory:
        Up to 64 KB, Battery Backed-RAM
      • Program Scan Time:
        0.9 ms/K
      • User Memory:
        64,000 Words
      • Chassis Module Slots:
        30 Slots
      • I/O Scan Time:
        0.225 milliseconds
      • Communication:
        Data Highway Plus (DH+), RS-232
      • Operating Temperature:
        0 to 60 degrees Celsius
      • Stock:
        30
      By purchasing this item, you agree to the Terms & Conditions
      Moore Automated is NOT an authorized distributor of Allen-Bradley
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      Learn More Policy
      Manuals
      1747-L543/C.pdf
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          FAQ

          • What is the technical classification and architectural role of the 1747-L543/C in the Allen-Bradley SLC 500 series?
            The 1747-L543/C is an SLC 5/04 series CPU controller within the Allen-Bradley SLC 500 modular PLC platform. It serves as the central processing unit that executes machine control logic, handles I/O scanning, and manages communications across the automation system.
          • What environmental and electromechanical resilience features characterize the 1747-L543/C?
            The 1747-L543/C is industrially rated for operating temperatures from 0 °C to 60 °C, withstanding up to 30 G shock and 2.5 G vibration over 57–2000 Hz, and tolerating up to 95 % non-condensing humidity — ensuring reliability under typical plant floor conditions.
          • How does the lifecycle status of the 1747-L543/C influence system planning and obsolescence management?
            The 1747-L543/C has been officially discontinued by Rockwell Automation as of March 31, 2024. While repair options remain available, integration into new systems is not recommended. Organizations should plan upgrades or migration to current controllers to maintain long-term support.
          • In what applications is the 1747-L543/C most appropriately deployed given its architectural capabilities?
            The 1747-L543/C excels in medium to large industrial automation systems requiring distributed I/O, extensive discrete and analog control, and robust networking via DH+ or serial protocols. Its memory and communication capabilities make it suitable for process control, large machine automation, and SCADA interfacing within legacy SLC environments.

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            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.

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            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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