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The 1757-SRM module from Allen Bradley offers robust redundancy for ControlLogix systems, providing seamless synchronization and automatic switchover between primary and backup controllers.

1757-SRM Allen Bradley

Original price was: $2,857.00.Current price is: $2,175.00.

1 in stock

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Description
Mfr. Part Number:

1757-SRM
Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1757-SRM ProcessLogix & ControlLogix System Redundancy Module
Full Description: Allen-Bradley 1757-SRM ProcessLogix & ControlLogix System Redundancy Module; Supported Controllers: one 1756-L61, 1756-L62, 1756-L63, and 1756-L64 controller; Supported Communication Modules (Maximum Seven modules): 1756-CNB series D or E, 1756-CNBR series D or E, 1756-ENBT, or 1756-EWEB modules
UPC / GTIN: 10612598185464

The Allen Bradley 1757-SRM (Synchronization and Redundancy Module) is a critical component in Rockwell Automation’s ControlLogix series of programmable automation controllers (PACs). The module is designed to provide redundancy and high availability for critical control applications, ensuring that industrial processes continue to operate without interruption in case of hardware failures.

Key Features:

  • Redundancy:
    • The 1757-SRM module allows for the creation of a redundant ControlLogix system. By pairing two ControlLogix controllers, one acts as the primary controller and the other as the secondary (backup) controller. In case of a failure in the primary controller, the secondary controller takes over seamlessly.
  • Synchronization:
    • Ensures that the primary and secondary controllers are synchronized in real-time. This includes synchronizing I/O, program logic, and data, ensuring that the backup controller is always ready to take over with the latest data.
  • Hot Swappable:
    • The module can be replaced without shutting down the system, allowing for maintenance and upgrades without interrupting the control process.
  • Automatic Switchover:
    • Automatically switches control from the primary to the secondary controller in the event of a failure, with minimal disruption to the process being controlled.
  • Diagnostic Capabilities:
    • Provides diagnostic information to monitor the status and health of both the primary and secondary controllers, as well as the redundancy link between them.

Applications:

  1. Critical Process Control:
    • Used in industries where continuous operation is crucial, such as oil and gas, power generation, water treatment, and pharmaceuticals. The redundancy provided by the 1757-SRM ensures that processes continue to run smoothly even in the event of hardware failures.
  2. High Availability Systems:
    • Essential for systems requiring high availability and reliability, ensuring that there is no single point of failure that could disrupt operations.
  3. Disaster Recovery:
    • Plays a key role in disaster recovery strategies, providing a backup that can take over immediately in case of system failures.

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