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ALLEN-BRADLEY 1756-M23/A CONTROLLOGIX 1.5MB VOLATILE MEMORY EXPANSION CPU MODULE
- Brand: Allen-Bradley
- Module Function: Non-Volatile Memory Expansion Board
- Part / Catalog Number: 1756-M23
- Target Processor Compatibility: ControlLogix 5555
- Power Dissipation: 5.6 Watts
- Weight: 0.38 lbs (0.17 kg)
- Operating Temperatures: 0°C to 60°C
- Non-Operating Shock Threshold: 50 G peak max
- Regulatory Compliance & Certifications: CE, CSA, C-Tick, UR, and EEx certified for industrial hazards
- Country of Origin: United States
- Condition: Used Excellent Working (As Per Photos)
- Shipping: Fast & Safe Worldwide shipping available
| Brand | Allen Bradley |
|---|---|
| Category | CPU |
The Allen-Bradley 1756-M23 is an industrial-grade Non-Volatile Expansion Memory Module designed by Rockwell Automation for the highly flexible ControlLogix platform. Acting as a critical performance upgrade, this component plugs directly onto a ControlLogix CPU to provide dedicated space for extensive ladder logic routines, documentation files, and historical data logs.
By supplying 1.5 megabytes of reliable storage capacity, the 1756-M23 helps manufacturers safeguard runtime data without relying entirely on volatile internal structures or battery power. Built as an open-style form factor to fit compactly inside standard ControlLogix processing assemblies, it provides robust resistance to challenging ambient interferences. This memory module allows industrial systems to achieve seamless power-cycle recovery with localized parameter stability.
• 1.5 MB Non-Volatile Data Retention: Adds 1.5 Megabytes of high-integrity storage to secure user programs, logic files, and critical variables against unexpected system power loss.
• Designed for ControlLogix Logix5555 CPUs: Engineered specifically as a field-installable daughterboard to upgrade and support Logix5555 (1756-L55) PAC processors.
• Rugged Heavy-Industry Build: Highly resilient architecture capable of handling operational shock ratings up to 30 G and continuous vibration up to 2 G.
• Low-Power Efficiency: Operates cleanly on the backplane with a minor nominal consumption profile drawing 500 mA at 5 Volts DC.
• Centralized Configuration Ecosystem: Configures seamlessly through Studio 5000 Logix Designer / RSLogix 5000, enabling fast synchronization and diagnostic reporting.
