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Allen-Bradley 1756-L81EK
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1756-L81EK ControlLogix 5580 Logix Controller sets a new standard for industrial automation, combining exceptional performance with robust construction. Its specialized conformal coating provides superior protection, making it ideal for deployment in challenging industrial settings where moisture, dust, and corrosive substances are prevalent. With 3MB of user memory, this controller has ample capacity for intricate applications, while its 1GB Ethernet port guarantees rapid and dependable communication across your operational network. The built-in USB 2.0 port streamlines programming, diagnostics, and firmware updates, boosting efficiency. Supporting up to 60 EtherNet/IP devices and capable of managing 32 tasks with 1,000 programs per task, the 1756-L81EK offers unparalleled adaptability for complex automation systems. Its seamless integration with the Studio 5000 Automation Engineering & Design Environment ensures straightforward configuration and optimized functionality.Key Features Enhanced Protection: A conformal coating safeguards against moisture, dust, and corrosive elements, extending device longevity in harsh industrial conditions. Ample User Memory: 3MB of memory facilitates the execution of extensive and intricate automation programs and data processes. High-Speed Connectivity: A 1GB Ethernet port provides fast and reliable industrial communication for essential data exchange and network operations. Efficient USB Interface: The USB 2.0 port (12 Mbps) allows for swift programming, detailed diagnostics, and on-site firmware updates. Broad Device Compatibility: Supports a maximum of 60 EtherNet/IP devices, ensuring robust and scalable network integration. Advanced Control Capabilities: Manages 32 tasks and 1,000 programs per task, enabling sophisticated process control. Studio 5000 Integration: Ensures smooth compatibility and simplified programming within the Rockwell Automation ecosystem. Technical Specifications Model: 1756-L81EK Series: ControlLogix 5580 User Memory: 3MB Communication Ports: 1 x USB 2.0 (12 Mbps), 1 x 1GB Ethernet Port Maximum EtherNet/IP Devices: 60 Maximum Tasks: 32 Maximum Programs per Task: 1,000 Display: 4-Character Alpha/Numeric Protection: Conformal Coating Programming Software: Studio 5000 Automation Engineering & Design Environment Chassis Compatibility: ControlLogix Operating Temperature: 0°C to 60°C (32°F to 140°F) Applications Demanding Industrial Settings: Perfectly suited for environments with dust, humidity, and corrosive agents due to its conformal coating. Large-Scale Production: Ideal for complex manufacturing lines requiring rapid data processing and control. Motion Control and Robotics: Delivers precise, real-time control for advanced robotic and motion applications. SCADA and Distributed Control: Ensures efficient data collection, processing, and monitoring across extensive systems. Power and Utility Automation: Optimized for critical control tasks within the energy and utilities sectors. Water and Wastewater Treatment: Provides dependable control in challenging environments exposed to chemicals. Why Choose Allen-Bradley 1756-L81EK? Exceptional Durability: Conformal coating guarantees lasting reliability and performance in the most severe industrial conditions. Superior Performance: 3MB memory and a 1GB Ethernet port offer the processing power and communication speed essential for modern automation. Scalability and Adaptability: Easily integrates and expands within your automation system, supporting numerous devices and complex programming. Streamlined Operations: USB 2.0 and Studio 5000 compatibility simplify programming, diagnostics, and system upkeep, minimizing downtime. Future-Proof Investment: Designed to meet the evolving requirements of industrial automation, providing a robust and flexible control solution. Rockwell Automation Quality: Benefit from the dependability, support, and innovation of a global leader in industrial automation. Order NowEnhance your industrial automation capabilities today with the Allen-Bradley 1756-L81EK ControlLogix 5580 Logix Controller. Contact us to learn more or to place your order.FAQHow does the conformal coating benefit the 1756-L81EK controller?The conformal coating offers superior protection against environmental factors like moisture, dust, and corrosive substances, significantly extending the controller's lifespan and reliability in harsh industrial conditions.What kind of performance can I expect from the 1GB Ethernet port?The 1GB Ethernet port provides high-speed, reliable communication, crucial for efficient data exchange and networking in critical industrial automation applications.Is the 1756-L81EK compatible with existing Rockwell Automation systems?Yes, the 1756-L81EK is designed for seamless integration with the Studio 5000 Automation Engineering & Design Environment, ensuring compatibility and simplified programming within the Rockwell Automation ecosystem.
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Allen-Bradley 1756-L81EK
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-L81EK
- Series: ControlLogix 5580
- User Memory: 3MB
- Communication Ports: 1 x USB 2.0 (12 Mbps), 1 x 1GB Ethernet Port
- Maximum EtherNet/IP Devices: 60
- Maximum Tasks: 32
- Maximum Programs per Task: 1,000
- Display: 4-Character Alpha/Numeric
- Protection: Conformal Coating
- Programming Software: Studio 5000 Automation Engineering & Design Environment
- Chassis Compatibility: ControlLogix
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
Applications
- Demanding Industrial Settings: Perfectly suited for environments with dust, humidity, and corrosive agents due to its conformal coating.
- Large-Scale Production: Ideal for complex manufacturing lines requiring rapid data processing and control.
- Motion Control and Robotics: Delivers precise, real-time control for advanced robotic and motion applications.
- SCADA and Distributed Control: Ensures efficient data collection, processing, and monitoring across extensive systems.
- Power and Utility Automation: Optimized for critical control tasks within the energy and utilities sectors.
- Water and Wastewater Treatment: Provides dependable control in challenging environments exposed to chemicals.
Why Choose the 1756-L81EK?
- Exceptional Durability: Conformal coating guarantees lasting reliability and performance in the most severe industrial conditions.
- Superior Performance: 3MB memory and a 1GB Ethernet port offer the processing power and communication speed essential for modern automation.
- Scalability and Adaptability: Easily integrates and expands within your automation system, supporting numerous devices and complex programming.
- Streamlined Operations: USB 2.0 and Studio 5000 compatibility simplify programming, diagnostics, and system upkeep, minimizing downtime.
- Future-Proof Investment: Designed to meet the evolving requirements of industrial automation, providing a robust and flexible control solution.
- Rockwell Automation Quality: Benefit from the dependability, support, and innovation of a global leader in industrial automation.
Availability & Shipping
- ▸In stock: 1756-L81EK 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-L81EK 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.
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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.