1757-SRM/B
1757-SRM/B
Manufacturer: ALLEN BRADLEY
Condition: New and Unused, Surplus.
Overview of Allen-Bradley 1757-SRM-B System Redundancy Module
The Allen-Bradley 1757-SRM-B is a system redundancy module used in ControlLogix and ProcessLogix systems to provide seamless failover between primary and secondary controllers. This module ensures high availability and continuous operation in critical industrial applications by enabling hot-swappable redundancy with automatic switching during controller failure.
Key Features
- Enables redundant ControlLogix controller configurations for high system availability
- Supports automatic failover with failover time typically ≤ 50 milliseconds
- Supports hot-swapping for minimal system downtime during maintenance
- Diagnostics include LED indicators for primary and secondary controller status
- Backplane current: 0.160 A at 24 V DC
- Power dissipation: 11.28 W max
- Thermal dissipation: 38.49 BTU/hr max
- Connector: SC type fiber-optic cable for communication between redundant modules
- Operating temperature range: 0 to 60 °C (32 to 140 °F)
- Open-style enclosure designed to mount in ControlLogix chassis (2 slots)
- Compatible cable types: 62.5/125-micron multi-mode fiber optic
Technical Specifications
| Model | 1757-SRM-B |
| Module Type | System Redundancy Module |
| Backplane Current | 0.160 A at 24 V DC |
| Power Dissipation | 11.28 W max |
| Thermal Dissipation | 38.49 BTU/hr max |
| Connector Type | SC multi-mode fiber optic (62.5/125 μm) |
| Communication Channels | 1 transmit and receive fiber channel |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Dimensions (HxWxD) | 145 x 35 x 142 mm (5.71 x 2.76 x 5.51 in.) |
| Weight | 0.452 kg (14.53 oz) |
| Mounting | ControlLogix chassis (2 slots) |
Applications
The 1757-SRM-B redundancy module is essential in industrial automation environments requiring continuous operation and fault tolerance. It is commonly used in process control, manufacturing, and other mission-critical systems where controller redundancy enhances system reliability and minimizes downtime.
Price Matching / Price on Inquiry
Price Matching / Price on Inquiry
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Warranty
Warranty
Leadtime offers a 1-year warranty for all products sold and repaired, providing a dependable and reliable investment in your company's future.
