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      Allen-Bradley 1757-SRM/B
      Allen-Bradley 1757-SRM/B
      Allen-Bradley 1757-SRM/B
      Allen-Bradley 1757-SRM/B
      Allen-Bradley 1757-SRM/B
      Allen-Bradley 1757-SRM/B

      1757-SRM/B

      Sytem Redundancy Module

      Product Information

      Product Describe

      ProcessLogix and ControlLogix

      System Redundancy Module.

      This module enables Controller

      Redundancy by pairing with another

      1756-SRM from another ControlLogix

      chassis.

      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC System
      • Estimated shipping dimensions:
        7.0 cm x 14.6 cm x 14.0 cm
      • Weight:
        0.4 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Mounting:
        ControlLogix chassis
      • Enclosure type rating:
        None (open-style)
      • Cable Type:
        62.5/125-micron multi-mode fiber-optic cable
      • Power dissipation, max:
        11.28 W
      • Supported Controllers:
        Logix 5560
      • Thermal dissipation, max:
        38.49 BTU/hr
      • Wavelength:
        1300 nm
      • Operating Temperature:
        32-140 Fahrenheit (0-60 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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      1-year warranty

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      Moore Automated is not an authorized distributor, reseller or representative of the products featured on this website.
      All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
      Learn More Policy
      Manuals
      1757-SRM/B.pdf
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          FAQ

          • How does the 1757-SRM/B module facilitate seamless switchover between redundant controllers?
            The 1757-SRM/B uses an SC-type multimode fiber-optic link to continuously exchange state and I/O data between two ControlLogix chassis. If a fault is detected in the primary control path, the module manages an automatic switchover to the backup controller with minimal disruption to system operation.
          • What type of communication interface is used by the 1757-SRM/B module, and why is it significant?
            The 1757-SRM/B uses a 62.5/125 μm multimode fiber-optic interface with an SC connector, operating at a 1300 nm wavelength for redundancy communication. Fiber-optic connectivity provides electrical isolation and high noise immunity critical for reliable synchronization in industrial environments.
          • What operational temperature range does the 1757-SRM/B support for industrial deployment?
            The 1757-SRM/B supports an operating ambient temperature range of 0 °C to 60 °C (32 °F to 140 °F), which aligns with typical industrial control cabinet environments where redundancy and high availability are required.
          • What diagnostic capabilities are typically associated with the 1757-SRM/B module?
            The 1757-SRM/B typically includes LED status indicators to report redundancy condition, communication health, and module diagnostics. These visual indicators facilitate rapid assessment during commissioning and maintenance operations.

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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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