1 of 3

100 in stock

Allen-Bradley 1756-M3 ControlLogix Logix5550 2Mbyte Expansion Memory Module

Brand/Manufacturer: Allen-Bradley

Order Number: 1756-M3

Type: Expansion Memory Module

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

Ask a question
  • In-stock & ready for fast delivery. Shipping policy.

  • We’re here for you 24/7 ,Contact Us.

  • Only genuine, factory-sealed products,Learn More.

  • Refund Supported Within 30 Days, help.

  • All purchases include a 1-year warranty, help.

Trusted Global Payment Methods

DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited

Description

The Allen-Bradley 1756-M3 ControlLogix Logix5550 2MB Expansion Memory Module is a high-performance memory expansion solution designed to enhance the capabilities of your ControlLogix Logix5550 series programmable automation controllers (PACs). With 2MB of additional memory, this module significantly increases the data storage capacity of your control system, providing the flexibility needed to support more complex applications and larger projects.

This memory module integrates seamlessly with the ControlLogix system, improving overall performance and ensuring faster access to critical data for real-time decision-making. Whether you're working in manufacturing automation, process control, or large-scale industrial applications, the 1756-M3 offers a reliable and efficient solution for boosting your system's memory capacity.

Key Features & Benefits:

  • Enhanced Memory Capacity: The 2MB of additional memory increases the overall capacity of your ControlLogix system, enabling you to store more data and programs. This is particularly useful for larger systems or complex applications.

  • Seamless Integration: The 1756-M3 memory module is fully compatible with the ControlLogix Logix5550 series controllers, ensuring easy integration into existing systems with minimal downtime.

  • Improved Performance: By expanding memory capacity, this module helps optimize system performance, reducing lag and enhancing overall speed during data processing and real-time control operations.

  • Increased Application Flexibility: With more memory, your ControlLogix system can handle larger programs, more I/O modules, and complex logic, providing the scalability needed for expanding industrial systems.

  • High Reliability: Built to meet the stringent demands of industrial environments, the 1756-M3 memory module is designed for durability and long-term reliability in challenging conditions.

  • Easy Installation: The memory module is easy to install and configure, making it a convenient upgrade for users looking to increase the memory of their ControlLogix systems without complex procedures.

Technical Specifications:

  • Model: Allen-Bradley 1756-M3

  • Type: ControlLogix Logix5550 Expansion Memory Module

  • Memory Capacity: 2MB

  • Compatibility: Compatible with ControlLogix Logix5550 series controllers

  • System Compatibility: Works seamlessly with existing ControlLogix systems

  • Dimensions: 4.5 x 6.0 x 1.1 inches (114 x 152 x 28 mm)

  • Weight: 0.25 kg (0.55 lbs)

  • Mounting: Plug-in module for easy installation into existing ControlLogix chassis

  • Operating Temperature: 0°C to 60°C (32°F to 140°F)

  • Storage Temperature: -20°C to 85°C (-4°F to 185°F)

  • Relative Humidity: 5% to 95% (non-condensing)

  • Power Consumption: 2.5W (maximum)

  • Approvals: UL, CE, CSA certified

Typical Applications & Use Cases:

The 1756-M3 ControlLogix Logix5550 2MB Expansion Memory Module is ideal for a wide range of industrial automation applications, including:

  • Manufacturing Automation: Increase the processing capacity of ControlLogix controllers to handle larger and more complex programs, improving production line automation and machine control.

  • Process Control: Enhance memory capacity to manage complex process control systems, ensuring smooth operation and real-time data analysis.

  • Energy and Utilities: Expand your control system’s ability to handle energy management, power distribution, and grid control processes, allowing for better data logging and reporting.

  • Material Handling: Manage more sophisticated systems with larger memory, enabling efficient control of robotics, conveyors, and automated sorting systems.

  • Large-scale Systems: For large industrial projects or multi-site operations, the 1756-M3 provides the required memory expansion for centralized control systems and distributed networks.

Support & Maintenance:

As part of the Allen-Bradley ControlLogix family, the 1756-M3 expansion memory module is supported by Rockwell Automation, ensuring ongoing technical assistance, firmware updates, and comprehensive customer support. The module's rugged design makes it well-suited for continuous operation in demanding environments. For troubleshooting or system updates, Rockwell Automation offers a range of services, including documentation, online resources, and direct support channels to ensure that your system runs smoothly.

FAQ:

Q: What is the memory capacity of the 1756-M3 module?
A: The 1756-M3 provides 2MB of additional memory for your ControlLogix Logix5550 series controllers.

Q: Is the 1756-M3 module compatible with all ControlLogix controllers?
A: The 1756-M3 is specifically compatible with ControlLogix Logix5550 controllers.

Q: What are the operating temperature ranges for the 1756-M3 module?
A: The module operates within a temperature range of 0°C to 60°C (32°F to 140°F).

Q: How easy is it to install the 1756-M3 memory module?
A: The 1756-M3 is a plug-in module, making installation straightforward with minimal downtime.

Q: Can the 1756-M3 module be used in large-scale industrial systems?
A: Yes, this memory expansion module is ideal for larger systems, offering the necessary memory capacity to handle complex applications.

  • Focus on Benefits:

    We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.

  • Hard-to-Find & Obsolete Parts:

    We specialize in sourcing rare and discontinued industrial automation components that others can't deliver.

  • Large In-Stock Inventory:

    Thousands of genuine parts ready for immediate shipping — reduce downtime and keep operations running smoothly.

  • Fast Response · Global Delivery:

    Get a quote within hours. We ship worldwide with express options to meet urgent demands.

  • Original Products · 1-Year Warranty:

    All parts are factory-sealed and 100% original. Covered by a 1-year warranty and 30-day return support.

  • Why You Can Trust Us:

    We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.

  • DcsSupplier Limited

    Trusted by Global Clients

    Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.

  • DcsSupplier Limited

    Uptime Is Our Priority

    Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.

  • DcsSupplier Limited

    Experts in Sourcing Rare Parts

    Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.

  • DcsSupplier Limited

    One-Stop Automation Supply

    We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.

Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

- Michael Anderson