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- Allen-Bradley
- 1757-SRM
- System Redundancy Module
- Germany
- 145 x 70 x 140 mm
- 0.452 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 1757-SRM is a System Redundancy Module designed for ControlLogix industrial automation systems. It enables redundant controller architectures, allowing a secondary controller to take over automatically if the primary controller fails.
This module is used in high-availability industrial environments where continuous operation is critical and system downtime must be minimized or eliminated.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | System Redundancy Module |
| Manufacturer | Allen-Bradley |
| Model | 1757-SRM |
| System | ControlLogix redundancy architecture |
| Function | Controller redundancy management |
| Application | High-availability industrial automation |
| Compatibility | ControlLogix controller systems |
| Communication | Redundant controller synchronization |
| Mounting Type | Chassis-mounted |
| Operating Environment | Industrial automation environments |
| Dimensions | 145 × 70 × 140 mm |
| Weight | 0.452 kg |
| Housing | Industrial-grade module enclosure |
Function and Working Principle
The 1757-SRM module manages redundancy between two ControlLogix controllers (primary and secondary). It continuously synchronizes system data, ensuring both controllers maintain identical operational states.
If the primary controller fails, the secondary controller automatically assumes control without interrupting the process. This provides seamless system continuity.
This enables:
- Real-time synchronization between redundant controllers
- Automatic failover during controller failure
- Continuous process operation without interruption
- High system availability and reliability
- Reduced risk of production downtime
Role in Industrial Automation Systems
The 1757-SRM module is used in mission-critical automation systems where uninterrupted operation is required. It supports:
- Distributed control systems (DCS)
- Continuous process industries
- Safety-critical automation systems
- Large-scale manufacturing systems
- High-availability industrial infrastructure
It acts as the core redundancy coordination component in ControlLogix redundant architectures.
Industrial Applications
- Oil and gas production facilities
- Chemical and petrochemical plants
- Power generation stations
- Water and wastewater treatment plants
- Pharmaceutical manufacturing systems
- Continuous process industries
Installation and Integration
- Installed in ControlLogix chassis systems
- Works with paired redundant controllers
- Connected using redundancy communication cables (e.g., 1757-SRC1)
- Configured as part of ControlLogix redundancy setup
- Designed for continuous industrial operation
Compatible System Components
- ControlLogix controllers
- Redundant processor modules
- 1757-SRC1 redundant cables
- EtherNet/IP communication modules
- Industrial I/O modules
Alternative Models
| Model | Description |
|---|---|
| 1757-SRC1 | Redundant module communication cable |
| 1756-L7 series | ControlLogix controllers |
| 1756-L8 series | Advanced ControlLogix controllers |
| 1756-EN2TR | Dual-port EtherNet/IP module |
| Redundancy system kits | Complete redundant control solutions |
Key Advantages
- Enables full controller redundancy
- Automatic failover capability
- High system availability and uptime
- Real-time synchronization between controllers
- Improved industrial system reliability
- Essential for critical process control systems
Conclusion
The Allen-Bradley 1757-SRM System Redundancy Module is a critical component for building high-availability ControlLogix automation systems. It ensures seamless controller failover, continuous process operation, and enhanced reliability in demanding industrial environments where downtime is not acceptable.