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Allen-Bradley 1756-L1/A
by Allen-Bradley
Read verified buyer reviews ↓OverviewOptimize your industrial automation operations using the Allen-Bradley 1756-L1/A, a foundational Logix5550 controller within the ControlLogix series. Engineered for robust performance and advanced control applications, this unit boasts 64 Kbytes of user memory. It serves as a crucial element within the ControlLogix platform, recognized for its rapid processing capabilities, accurate real-time control, and extensive connectivity across various industrial networks. The 1756-L1/A is meticulously crafted to meet the stringent demands of modern manufacturing, delivering exceptional adaptability, seamless scalability, and outstanding reliability for critical operations. It is perfectly suited for a wide array of uses, from intricate motion control setups to expansive process automation and large-scale industrial infrastructures, providing the responsiveness and precision needed to boost operational efficiency. Its intelligent design ensures compatibility with established industrial communication protocols, allowing for straightforward integration into current and evolving systems. By selecting the Allen-Bradley 1756-L1/A, you are investing in a proven solution that provides consistent, high-performance control, essential for maintaining a competitive edge in today's dynamic industrial landscape.Key Features 64 Kbytes User Memory: Offers ample capacity for complex programming and efficient execution of control tasks, supporting sophisticated automation logic. Series A Controller: Represents an early yet highly functional iteration within the esteemed ControlLogix platform, offering demonstrated reliability and integration ease. High-Speed Processing: Ensures swift execution of control algorithms and efficient data management, minimizing latency for critical applications. Versatile Communication Support: Integrates smoothly with multiple industrial networks, including Ethernet/IP (via modules), ControlNet, and DeviceNet, for comprehensive system connectivity. Modular ControlLogix Design: Provides exceptional flexibility and future-proofing through expandability with a broad range of additional I/O, communication, and specialty modules. RSLogix 5000 Software Compatibility: Facilitates intuitive and efficient programming, configuration, and diagnostics, streamlining development and maintenance processes. Robust Industrial Construction: Built to endure harsh industrial environments, ensuring long-term durability and consistent performance. Technical Specifications Model: 1756-L1/A Series: A User Memory: 64 KB (Kbytes) Processor Type: Logix5550 Programming Software: RSLogix 5000 Communication Options: ControlNet, DeviceNet, EtherNet/IP (requires appropriate communication modules) I/O Capacity: Fully supports a broad range of ControlLogix I/O modules for scalable system expansion. Mounting: Designed for chassis-based installation within the ControlLogix platform. Certifications: UL Listed, CE Compliant, RoHS Compliant, ensuring adherence to global safety and environmental standards. Applications Industrial Automation & Control Systems: Provides the core logic and real-time control for intricate manufacturing and process automation. Manufacturing & Production Lines: Ensures precise and synchronized operation of machinery, optimizing throughput and quality. Motion Control & Robotics: Supports high-speed, synchronized motion applications, crucial for robotics and advanced machine control. Process Control & SCADA Systems: Enables seamless data acquisition, supervisory control, and real-time monitoring in various industrial processes. Material Handling & Conveyor Systems: Optimizes the efficiency and automation of material flow, sorting, and conveyance. Building Management Systems: Can be integrated for advanced control of HVAC, lighting, and security within large industrial facilities. Why ChooseThis Series A Logix5550 controller offers a proven long-term track record of stable and dependable operation in demanding industrial environments.Order NowEnhance your industrial control systems with the reliable Allen-Bradley 1756-L1/A. Contact us today to secure this essential component for your operations.FAQWhat is the memory capacity of the 1756-L1/A?The 1756-L1/A features 64 Kbytes of user memory for complex applications.Which software is used to program the 1756-L1/A?Programming and configuration for the 1756-L1/A are done using RSLogix 5000 software.What communication options does this controller support?The controller supports ControlNet, DeviceNet, and EtherNet/IP (with relevant modules) for versatile communication.
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Allen-Bradley 1756-L1/A
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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-L1/A
- Series: A
- User Memory: 64 KB (Kbytes)
- Processor Type: Logix5550
- Programming Software: RSLogix 5000
- Communication Options: ControlNet, DeviceNet, EtherNet/IP (requires appropriate communication modules)
- I/O Capacity: Fully supports a broad range of ControlLogix I/O modules for scalable system expansion.
- Mounting: Designed for chassis-based installation within the ControlLogix platform.
- Certifications: UL Listed, CE Compliant, RoHS Compliant, ensuring adherence to global safety and environmental standards.
Applications
- Industrial Automation & Control Systems: Provides the core logic and real-time control for intricate manufacturing and process automation.
- Manufacturing & Production Lines: Ensures precise and synchronized operation of machinery, optimizing throughput and quality.
- Motion Control & Robotics: Supports high-speed, synchronized motion applications, crucial for robotics and advanced machine control.
- Process Control & SCADA Systems: Enables seamless data acquisition, supervisory control, and real-time monitoring in various industrial processes.
- Material Handling & Conveyor Systems: Optimizes the efficiency and automation of material flow, sorting, and conveyance.
- Building Management Systems: Can be integrated for advanced control of HVAC, lighting, and security within large industrial facilities.
Why Choose the 1756-L1/A?
This Series A Logix5550 controller offers a proven long-term track record of stable and dependable operation in demanding industrial environments.
Availability & Shipping
- ▸In stock: 1756-L1/A 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-L1/A ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.
Related Allen-Bradley resources
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Independent Supplier Notice
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.