Allen-Bradley 1757-SRM ControlLogix Processor
| Brand | Allen-Bradley |
| Module Number | 1757-SRM |
| Unit Price | $500 |
| Country Of Origin | USA |
| Weight | 0.5kg |
| Certificate |
C/O from the Chamber of Commerce C/Q from the Manufacturer |
| Warranty | 12 Months |
| Inventory Qty | 2 |
Allen-Bradley 1757-SRM is a dedicated redundant synchronization module for the ControlLogix platform, enabling millisecond-level hot standby failover between two controllers.
Allen-Bradley 1757-SRM Key parameters
|
Parameter |
Specification |
|
Catalog Number |
Allen-Bradley 1757-SRM |
|
Function |
Redundancy Synchronization Manager |
|
Switchover Time |
≤ 100 ms (Controller Failure) |
|
Synchronization Method |
Serial Optical Link (SERDES) |
|
Link Distance |
Up to 1 km (Multi-mode Fiber) |
|
Data Transfer Rate |
2.1 Gbps |
|
Compatible Controllers |
1756-L6x, L7x series (V16+ Firmware) |
|
Backplane Interface |
1756-CNB/D ControlNet Adapter Required |
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Allen-Bradley 1757-SRM Key Features
Lossless Switching Technology: The Allen-Bradley 1757-SRM synchronizes RAM data via optical fiber, maintaining output status within 100ms during the switchover process.
Dual-Path Redundancy: Independent control network and dual-channel verification of optical fiber links eliminate single points of failure.
Zero-Configuration Synchronization: Automatically mirrors program, label, and I/O status, simplifying the Allen-Bradley 1757-SRM deployment process.
Real-Time Diagnostics: The LED panel directly displays active/standby status and link health.
Allen-Bradley 1757-SRM Application examples
Saudi Arabian refinery DCS system: 12 Allen-Bradley 1757-SRMs manage the catalytic cracking unit, achieving a 100% failover success rate over ten years of operation.
Chicago Metro Environmental Control: This module provides redundancy for 32 wind turbine controllers, triggering seven seamless failovers due to extreme weather events in 2019.
