Product Details
Overview
The Allen-Bradley 1756-RM is a ControlLogix redundancy module designed to provide seamless system switchover and increased operational reliability in mission-critical automation environments. It ensures continuous controller operation by synchronizing data between redundant ControlLogix chassis, minimizing downtime during primary system failure or maintenance.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: ControlLogix Series
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Model / Part Number: 1756-RM
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Product Type: Redundancy Module
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Weight: 1.13 lbs (0.51 kg)
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Mounting Type: Chassis-based, installable in any slot
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Current Draw:
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1.2 V DC: 4 mA
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5.1 V DC: 1.2 A
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24 V DC: 120 mA
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Power Dissipation: 9 W
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Thermal Dissipation: 31 BTU/hr
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Operating Temperature: 0°C to 60°C (32°F to 140°F)
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Storage Temperature: -40°C to 85°C (-40°F to 185°F)
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Temperature Code: IEC T4
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Compatible Chassis:
1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 -
Compatible Power Supplies:
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Standard: 1756-PA72, 1756-PA75, 1756-PB72, 1756-PB75
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Redundant: 1756-PA75R, 1756-PB75R, 1756-PSCA2
Key Features
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Enables full system redundancy for ControlLogix architectures
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Real-time synchronization between primary and secondary controllers
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Automatic system switchover without process interruption
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Chassis-based design allows flexible installation in any slot
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Compliant with global industrial safety and EMC standards
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Works with both standard and redundant power supplies
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Ideal for high-availability and fault-tolerant control systems
Application Scenarios
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Continuous process control systems
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Power generation and utility automation
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Oil & gas and refinery applications
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Pharmaceutical and food manufacturing lines
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High-availability control environments
FAQs
Q: What is the primary function of the 1756-RM module?
A: The 1756-RM provides system redundancy by allowing two ControlLogix controllers to operate in a synchronized, fault-tolerant configuration.
Q: Can the 1756-RM be installed in any slot?
A: Yes, it is chassis-based and can be installed in any available slot of a compatible ControlLogix chassis.
Q: What happens during a switchover?
A: The module automatically transfers control to the secondary system with minimal delay, ensuring uninterrupted operation.
Q: What power supplies are compatible with the 1756-RM?
A: It supports both standard and redundant power supplies, including models 1756-PA75R, 1756-PB75R, and 1756-PSCA2.
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
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