Product Details
Overview
The Allen-Bradley 1757-SRM is a high-reliability System Redundancy Module for ControlLogix and ProcessLogix environments. It enables fault-tolerant operation by allowing redundant controller configurations, ensuring continuous system availability and minimizing downtime in critical automation applications.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model & Part Number: 1757-SRM
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Category: PLCs
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Product Line: ControlLogix
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Module Type: System Redundancy Module
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Weight: 1.00 lbs (0.45 kg)
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Backplane Current: 0.160 A at 24V DC
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Supported Controllers: Logix 5560
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Maximum Power Dissipation: 11.28 W
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Maximum Thermal Dissipation: 38.49 BTU/hr
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Slot Width: 2
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Operating Temperature: 0–60°C (32–140°F)
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Enclosure Type: Open-style (no rating)
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Connector: SC fiber-optic type
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Cable Compatibility: 62.5/125 μm multi-mode fiber-optic
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Wavelength: 1300 nm
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Fiber Channels: 1 transmit and 1 receive
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Connector Cable Options: 1757-SRC1 (1 m), 1757-SRC3 (3 m), 1757-SRC10 (10 m), 1757-SRC50 (50 m), 1757-SRC100 (100 m)
Applications
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High-availability PLC systems requiring redundant controllers
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Critical process control in manufacturing plants and utility operations
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Systems requiring uninterrupted communication between redundant modules
FAQ
Q: Which controllers are compatible with the 1757-SRM?
A: The 1757-SRM supports Logix 5560 controllers in ControlLogix and ProcessLogix setups.
Q: What fiber-optic cables are recommended for the module?
A: Allen-Bradley fiber-optic cables such as 1757-SRC1, SRC3, SRC10, SRC50, and SRC100 are compatible.
Q: Can this module operate in harsh industrial environments?
A: The module operates within 0–60°C (32–140°F) and is suitable for standard control cabinet installations; however, it does not have a sealed enclosure rating.
Q: How many channels does the module have?
A: It provides a single channel for transmit and receive fiber communication.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Strategic Selection: Choosing the Right SCADA Software for Your PLC Project
In industrial automation, the SCADA (Supervisory Control and Data Acquisition) system acts as the bridge between raw machine data and actionable human intelligence. Selecting the incorrect software platform can lead to integration bottlenecks, scalability issues, and excessive long-term maintenance costs. As an automation consultant with 15 years of experience, I have guided many projects through the selection process. Below are the essential criteria for choosing a platform that ensures both performance and longevity.
Ensuring Operational Continuity: The Strategic Value of Redundant Automation Systems
In modern industrial landscapes, unplanned downtime is the ultimate adversary. For sectors relying on complex PLC and DCS architectures, a single hardware failure can trigger catastrophic production losses. Therefore, implementing redundant automation systems is no longer a luxury; it is a fundamental requirement for mission-critical operations. In this article, I analyze why redundancy remains the backbone of reliable industrial infrastructure.
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide
Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.