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Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis

Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis

1.5 MB User Memory Processor Module

Slot-Agnostic Chassis ControlLogix Processor

Battery-Backed RAM System 1756-L55M23

Place of Origin:

USA

Brand Name:

Allen Bradley

Model Number:

1756-L55M23

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Product Details
Product Model:
1756-L55M23
Country Of Origin:
USA
Place Of Shipment:
Xiamen, China
Manufacturer:
Allen Bradley
Estimated Shipping Size:
16.3x7.2x3cm
Weight:
0.1 Kg
Power Dissipation:
5.6 W
Thermal Dissipation:
19.1 BTU/hr
Highlight:

1.5 MB User Memory Processor Module

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Slot-Agnostic Chassis ControlLogix Processor

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Battery-Backed RAM System 1756-L55M23

Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
Product Description
Allen Bradley 1756-L55M23 Processor Module
Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis 0
The 1756-L55M23 remains a cornerstone for facilities running on the ControlLogix 5555 platform, delivering specialized logic execution required for high-demand industrial environments. Engineered for slot-agnostic 1756 chassis setup, this module functions as either a primary controller or co-processor in distributed architectures. It excels in synchronizing discrete and motion control over the backplane while maintaining high-speed data throughput as system complexity scales.
Technical Specifications
The "M23" designation provides 1.5 MB user memory optimized for handling substantial ladder logic and complex tag structures without scan-time lag. The internal multi-tasking operating system prioritizes mission-critical rungs for deterministic performance across dense I/O configurations. Physical interfacing includes a front-facing RS-232 port for localized commissioning and diagnostics, with a three-position toggle switch for hardware-level security during operational mode changes.
Operational Reliability
The 1756-L55M23 features robust battery-backed RAM system to prevent data volatility during unexpected power cycles, significantly reducing downtime in plants prone to brownouts. By implementing the Producer/Consumer communication model, the processor mitigates network congestion typical of traditional polling-based systems, ensuring efficient data multicasting across EtherNet/IP or ControlNet links.
Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis 1
Legacy System Support
When OEM support ends, Amikon begins. We specialize in sourcing end-of-life (EOL) and active PLC modules to keep your legacy systems running without costly full-scale migration.
Inventory Intelligence
  • DCS Hardware: Specialized processor modules and power supplies
  • PLC I/O: High-density digital and analog components
  • Servo Motion: Precision drives for complex robotics
The Amikon Protocol
  • Inquiry: Share part numbers for technical cross-referencing
  • Speed: Formal quotes delivered in under 60 minutes
  • Dispatch: Global logistics within 24-72 hours
"They solved our production bottleneck by sourcing a discontinued CPU that the original manufacturer no longer supported. Packaging was industrial-grade and secure."
Expert Consultation
Miya Zheng | Senior Sales Manager
Mobile/WhatsApp: +86 180 2077 6792
Email: sales@amikon.cn
Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis 2
Service Excellence
In industrial automation, reliability is paramount. Amikon delivers 100% brand new and original components with full technical transparency to keep your control systems running without interruption.
365-Day Performance Guarantee
Comprehensive 1-year warranty on all items for total peace of mind
Technical Documentation Support
Data sheets, manuals, and technical specifications provided upon request
Rapid Fulfillment Cycle
1-2 working day lead time with Xiamen-based spot stock and global shipping
Legacy System Specialists
Specializing in end-of-life (EOL) hardware to keep obsolete systems operational
Allen Bradley 1756-L55M23 Processor Module with 1.5 MB User Memory for Slot-Agnostic Chassis 3
Compatible ControlLogix Series
Series Category Model Numbers
Legacy Core Series 1756-L55M22, 1756-L55M23
Mid-Generation Power 1756-L60M03SE, 1756-L61, 1756-L61S
Advanced Performance 1756-L62, 1756-L62S, 1756-L63, 1756-L63/A
Next-Level Control 1756-L71

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