
*Image shown is a representation only. Actual product may vary.
Allen-Bradley 1756-L73
by Allen-Bradley
Read verified buyer reviews ↓OverviewElevate your industrial operations with the Allen-Bradley 1756-L73 ControlLogix Logix5673 Controller. This high-performance device is crafted for demanding applications, delivering exceptional processing capability, substantial memory, and robust connectivity. Engineered for effortless integration within existing Logix automation frameworks, the 1756-L73 serves as a foundational component for achieving unparalleled control, efficiency, and steadfast reliability in your processes. Its capacity to manage up to 128,000 total I/O points, 32 distinct tasks, and 100 programs per task makes it an essential asset for large-scale control systems across various industries.Key Features 8MB User Memory: Provides abundant space for control logic, data management, and complex programming, facilitating advanced automation solutions. Advanced Task Management: Features 32 tasks and 100 programs per task, enabling highly structured and intricate multitasking for concurrent process management. Extensive I/O Support: Capable of overseeing up to 128,000 total I/O points, making it perfectly suited for expansive and intricate industrial settings requiring comprehensive device control. High-Speed Connectivity: Equipped with a single USB 2.0 interface for rapid programming, efficient data transfer, and streamlined system diagnostics. Integrated Motion Control: Optimized to support precise and high-speed motion control tasks, improving accuracy and throughput in dynamic environments. Modular & Scalable Design: Offers adaptable expansion capabilities, allowing your control system to evolve and grow with changing operational demands. Enhanced Security & Data Integrity: Incorporates advanced functions to safeguard critical data and control logic from unauthorized access and potential threats. Technical Specifications Model: 1756-L73 Series: Logix5673 User Memory: 8MB Maximum I/O Capacity: 128,000 Points Number of Tasks: 32 Programs per Task: 100 Communication Ports: 1 x USB 2.0 Mounting: ControlLogix Chassis-Based Application: Industrial Automation & Motion Control Certifications: UL, CE, RoHS Applications Industrial Automation & Process Control: Ideal for managing large-scale, complex automation processes with high precision and reliability. Manufacturing & Assembly Lines: Optimizes operations by handling intricate automation tasks, boosting production efficiency and output. SCADA & Remote Monitoring: Facilitates real-time data processing and comprehensive supervisory control for distributed systems and remote installations. Motion Control & Robotics: Delivers the precise and swift control essential for advanced robotics and demanding motion applications. Power Generation & Utility Systems: Enhances operational efficiency and system stability in critical infrastructure environments. Water/Wastewater Treatment: Provides robust control for complex processes, ensuring optimal performance and compliance. Why Choose This Model? Superior Performance: Experience outstanding processing speed and responsiveness, vital for the most demanding industrial applications. Exceptional Memory Capability: The 8MB user memory enables intricate control strategies and vast data management without compromise. Scalability for Future Growth: Its modular configuration ensures your control system can easily expand to meet future operational needs and technological advancements. Reliability You Can Trust: Constructed with Allen-Bradley's renowned quality, the 1756-L73 provides robust performance and long-term stability in harsh industrial settings. Seamless Setup: Designed for effortless integration into Logix-based automation architectures, simplifying deployment and reducing setup time. Comprehensive Support: Backed by Allen-Bradley's extensive support network, ensuring access to expert assistance whenever required. Order NowInvest in the future of your industrial automation with the Allen-Bradley 1756-L73 ControlLogix controller. Contact us today to secure this essential component for your systems.FAQWhat is the memory capacity of the Allen-Bradley 1756-L73?The Allen-Bradley 1756-L73 features 8MB of user memory, providing ample space for complex control logic and data handling.How many I/O points can the 1756-L73 manage?This controller is capable of managing up to 128,000 total I/O points, making it suitable for large and intricate industrial environments.What communication ports are available on this controller?The 1756-L73 is equipped with one USB 2.0 port for high-speed communication, programming, and diagnostics.Is the Allen-Bradley 1756-L73 suitable for motion control applications?Absolutely, it is optimized to support precise and high-speed motion control applications, enhancing accuracy and throughput in dynamic settings.Can this controller be integrated into existing Logix-based systems?Yes, the 1756-L73 is designed for seamless integration into existing Logix-based automation infrastructures, simplifying setup and deployment.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Allen-Bradley 1756-L73
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-L73
- Series: Logix5673
- User Memory: 8MB
- Maximum I/O Capacity: 128,000 Points
- Number of Tasks: 32
- Programs per Task: 100
- Communication Ports: 1 x USB 2.0
- Mounting: ControlLogix Chassis-Based
- Application: Industrial Automation & Motion Control
- Certifications: UL, CE, RoHS
Applications
- Industrial Automation & Process Control: Ideal for managing large-scale, complex automation processes with high precision and reliability.
- Manufacturing & Assembly Lines: Optimizes operations by handling intricate automation tasks, boosting production efficiency and output.
- SCADA & Remote Monitoring: Facilitates real-time data processing and comprehensive supervisory control for distributed systems and remote installations.
- Motion Control & Robotics: Delivers the precise and swift control essential for advanced robotics and demanding motion applications.
- Power Generation & Utility Systems: Enhances operational efficiency and system stability in critical infrastructure environments.
- Water/Wastewater Treatment: Provides robust control for complex processes, ensuring optimal performance and compliance.
Why Choose the 1756-L73?
- Superior Performance: Experience outstanding processing speed and responsiveness, vital for the most demanding industrial applications.
- Exceptional Memory Capability: The 8MB user memory enables intricate control strategies and vast data management without compromise.
- Scalability for Future Growth: Its modular configuration ensures your control system can easily expand to meet future operational needs and technological advancements.
- Reliability You Can Trust: Constructed with Allen-Bradley's renowned quality, the 1756-L73 provides robust performance and long-term stability in harsh industrial settings.
- Seamless Setup: Designed for effortless integration into Logix-based automation architectures, simplifying deployment and reducing setup time.
- Comprehensive Support: Backed by Allen-Bradley's extensive support network, ensuring access to expert assistance whenever required.
Availability & Shipping
- ▸In stock: 1756-L73 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-L73 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
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
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.