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Allen-Bradley 1756-L55M16 ControlLogix Logix5555 Controller

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Allen-Bradley 1756-L55M16

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-L55M16 ControlLogix Logix5555 Controller is an essential component for demanding industrial automation and process control needs. Engineered for environments that require exceptional dependability and performance, this controller offers a powerful foundation for managing intricate operations. With a substantial 7.5MB of user memory, the 1756-L55M16 expertly handles extensive control programs and large datasets, ensuring fast execution and smooth data management. Its modular and expandable architecture, a key characteristic of the ControlLogix platform, provides unparalleled adaptability, allowing for simple expansion and integration across various industrial setups. This controller is designed to deliver real-time control, making it indispensable for large-scale automation where precision and efficiency are critical. Its compatibility with multiple communication networks and support for distributed I/O and motion control systems further establishes its role as a leading solution in today's industrial landscape.Key Features 7.5MB User Memory: Ample memory capacity to support large and complex control programs, facilitating extensive data storage and sophisticated logic execution. ControlLogix Logix5555 Series Processor: Equipped with a high-performance processor from the Logix5555 series, ensuring rapid data processing and efficient control operations for demanding industrial tasks. Modular & Scalable Architecture: Designed for flexibility, this controller enables easy expansion with additional I/O and communication modules, providing future-proof solutions. Real-Time Data Processing: Guarantees immediate response and precise control over industrial processes, vital for maintaining operational integrity and efficiency. Comprehensive Communication Protocol Support: Compatible with key industrial networks including Ethernet/IP, ControlNet, and DeviceNet (via dedicated modules), ensuring seamless connectivity and data exchange across your system. Chassis-Based Design: Facilitates straightforward integration into existing ControlLogix systems, simplifying installation and maintenance. Technical Specifications Model: 1756-L55M16 Series: Logix5555 User Memory: 7.5MB Communication Support: Ethernet/IP, ControlNet, DeviceNet (via modules) Programming Software: RSLogix 5000 Mounting: ControlLogix Chassis-Based Application: Industrial Automation & Process Control Certifications: UL, CE, RoHS Applications Industrial Automation & Machine Control: Provides robust and scalable control solutions for a wide array of automated machinery and manufacturing processes. Process & Manufacturing Systems: Expertly manages complex control logic and supports distributed I/O networks in diverse manufacturing and processing environments. SCADA & Remote Monitoring: Enables real-time data exchange, comprehensive monitoring, and remote control capabilities for supervisory control and data acquisition systems. Motion Control & Robotics: Facilitates high-speed and precise movement control for robotic systems and advanced motion control applications. Power Generation & Utility Automation: Supports critical infrastructure control, ensuring reliable and efficient operations in power generation and utility sectors. Water Treatment & Wastewater Management: Optimizes control and monitoring for essential water infrastructure, enhancing operational efficiency and compliance. Why Choose This Allen-Bradley Controller? Unmatched Performance: Experience superior processing power and responsiveness crucial for mission-critical industrial applications. Exceptional Scalability: Future-proof your automation investments with a system that easily adapts and expands to meet evolving operational demands. Seamless Integration: Benefit from effortless incorporation into existing ControlLogix architectures and diverse communication networks. Robust Reliability: Rely on Allen-Bradley's reputation for dependable industrial solutions. Order NowUpgrade your industrial control systems with the Allen-Bradley 1756-L55M16. Contact us today to place your order or for more information.FAQWhat is the memory capacity of the 1756-L55M16?The 1756-L55M16 features 7.5MB of user memory.Which communication protocols does this controller support?It supports Ethernet/IP, ControlNet, and DeviceNet via dedicated modules.What type of mounting does the 1756-L55M16 use?This controller features a ControlLogix chassis-based design for mounting.What programming software is used with this controller?The 1756-L55M16 is programmed using RSLogix 5000 software.

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PRODUCT DETAILS

Allen-Bradley 1756-L55M16

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1756-L55M16
  • Series: Logix5555
  • User Memory: 7.5MB
  • Communication Support: Ethernet/IP, ControlNet, DeviceNet (via modules)
  • Programming Software: RSLogix 5000
  • Mounting: ControlLogix Chassis-Based
  • Application: Industrial Automation & Process Control
  • Certifications: UL, CE, RoHS

Applications

  • Industrial Automation & Machine Control: Provides robust and scalable control solutions for a wide array of automated machinery and manufacturing processes.
  • Process & Manufacturing Systems: Expertly manages complex control logic and supports distributed I/O networks in diverse manufacturing and processing environments.
  • SCADA & Remote Monitoring: Enables real-time data exchange, comprehensive monitoring, and remote control capabilities for supervisory control and data acquisition systems.
  • Motion Control & Robotics: Facilitates high-speed and precise movement control for robotic systems and advanced motion control applications.
  • Power Generation & Utility Automation: Supports critical infrastructure control, ensuring reliable and efficient operations in power generation and utility sectors.
  • Water Treatment & Wastewater Management: Optimizes control and monitoring for essential water infrastructure, enhancing operational efficiency and compliance.

Why Choose the 1756-L55M16?

  • Unmatched Performance: Experience superior processing power and responsiveness crucial for mission-critical industrial applications.
  • Exceptional Scalability: Future-proof your automation investments with a system that easily adapts and expands to meet evolving operational demands.
  • Seamless Integration: Benefit from effortless incorporation into existing ControlLogix architectures and diverse communication networks.
  • Robust Reliability: Rely on Allen-Bradley's reputation for dependable industrial solutions.

Availability & Shipping

  • In stock: 1756-L55M16 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-L55M16 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-L55M16 features 7.5MB of user memory.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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