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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

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      In Stock
      Sytem Redundancy Module

      1757-SRM/B

      Spare Part Number

      PN1757-SRM/B

      Product Information:

      ProcessLogix and ControlLogix

      System Redundancy Module.

      This module enables Controller

      Redundancy by pairing with another

      1756-SRM from another ControlLogix

      chassis.

      Product image is representative; revision or series may vary. Contact us to request a specific version.
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      • One-year warranty
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      Technical specifications for

      1757-SRM/B

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        Allen-Bradley
      • Product Category:
        PLC Systems
      • Spare Part Number:
        1757-SRM/B
      • 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)
      • Series:
        Allen-Bradley ControlLogix
      • Stock Availability:
        30
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      Alternative Names

      1757SRMB 1757 SRM B

      Manuals

      1757-SRM/B.pdf
      PRODUCT & ORDER FAQS

      Questions buyers ask about 1757-SRM/B

      • 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.
      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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