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Allen-Bradley 1785-L20E
by Allen-Bradley
Read verified buyer reviews ↓OverviewExperience superior industrial automation with the Allen-Bradley 1785-L20E PLC-5/20 EtherNet/IP Controller. This powerful programmable logic controller is precisely engineered for demanding industrial processes, offering a robust combination of 16K words of user memory and integrated EtherNet/IP communication. Designed for real-time operation and effective network integration, the 1785-L20E provides an ideal solution for increasing efficiency across manufacturing, process control, and material handling applications. Its Series E designation indicates advanced features and heightened reliability, providing a stable platform for essential industrial tasks. Realize exceptional control and data management capabilities, boosting output and effectiveness in even the most intricate environments.Key Features 16K Word User Memory: Offers extensive capacity for complex programming and data storage, supporting elaborate control logic and variable handling. Integrated EtherNet/IP Communication: Ensures rapid, dependable network integration, allowing for smooth data exchange with other equipment and systems on your industrial network. High-Performance Real-Time Processing: Guarantees swift and accurate control responses, vital for maintaining peak operational efficiency and safety in dynamic industrial automation setups. Modular and Scalable Architecture: Permits simple expansion with supplementary I/O modules and communication interfaces, enabling flexible adaptation to changing application needs. Series E Enhancement: Benefits from advanced functionalities and proven durability, ensuring an extended operational life and consistent performance in challenging industrial environments. PLC-5 System Compatibility: Guarantees straightforward integration into existing Rockwell Automation infrastructures, minimizing downtime and protecting current investments. Robust Industrial Design: Constructed to endure harsh industrial environments, delivering exceptional durability and continuous operation. Technical Specifications Model: 1785-L20E Series: E User Memory: 16K Words Communication Protocol: EtherNet/IP Processor Type: PLC-5/20 Programming Software: RSLogix 5 I/O Compatibility: Supports Remote and Local I/O Power Supply Options: 120/240V AC or 24V DC (via chassis) Certifications: UL, CE, RoHS Applications Industrial Automation & Process Control: Essential for managing and optimizing complex industrial processes and machinery, ensuring fluid and reliable operational workflows. Manufacturing & Production Lines: Drives extensive automation, improving efficiency and throughput in high-volume manufacturing settings. Material Handling & Conveyor Systems: Powers precise control in logistics, warehousing, and material transportation, enhancing efficiency and reducing manual tasks. SCADA & Remote Monitoring Systems: Facilitates real-time data acquisition and communication, enabling thorough oversight and control of distributed industrial assets. Energy & Utility Management: Optimizes plant and facility automation, contributing to improved energy efficiency and operational sustainability. Water and Wastewater Treatment: Provides dependable control for filtration, pumping, and chemical dosing processes. Why Choose This Model? Unrivaled Reliability: As an Allen-Bradley product, the 1785-L20E delivers the demonstrated durability and performance synonymous with a global leader in industrial automation. Seamless Network Integration: EtherNet/IP connectivity offers a modern, high-speed solution for connecting your control system to the wider enterprise network, facilitating data-driven decisions. Future-Proof Scalability: Its modular construction allows for effortless expansion as your operational needs evolve, safeguarding your investment and ensuring long-term applicability. Optimized Performance: With 16K words of memory and high-speed processing, this controller is engineered to manage intricate control tasks and provide real-time responsiveness. Enhanced Series E Features: Benefit from advanced capabilities and a proven track record of dependability. Order NowUpgrade your industrial control systems today with the Allen-Bradley 1785-L20E. Contact us for pricing and availability.FAQWhat is the memory capacity of the 1785-L20E?The 1785-L20E features 16K words of user memory, providing ample space for complex programming and data storage.What communication protocol does this controller use?This controller utilizes integrated EtherNet/IP communication for high-speed and reliable network integration.Is the 1785-L20E compatible with existing PLC-5 systems?Yes, it offers PLC-5 system compatibility, ensuring straightforward integration into current Rockwell Automation infrastructures.What type of environments is this controller designed for?The 1785-L20E boasts a robust industrial design, built to withstand harsh industrial environments and provide continuous operation.What are some typical applications for this PLC?It is commonly used in industrial automation, manufacturing, material handling, SCADA systems, energy management, and water treatment facilities.
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Allen-Bradley 1785-L20E
Overview
This is a genuine Allen-Bradley component from the PLC-5 Platform (Legacy) 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 PLC-5 Platform (Legacy) 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 PLC-5 Platform (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 1785-L20E
- Series: E
- User Memory: 16K Words
- Communication Protocol: EtherNet/IP
- Processor Type: PLC-5/20
- Programming Software: RSLogix 5
- I/O Compatibility: Supports Remote and Local I/O
- Power Supply Options: 120/240V AC or 24V DC (via chassis)
- Certifications: UL, CE, RoHS
Applications
- Industrial Automation & Process Control: Essential for managing and optimizing complex industrial processes and machinery, ensuring fluid and reliable operational workflows.
- Manufacturing & Production Lines: Drives extensive automation, improving efficiency and throughput in high-volume manufacturing settings.
- Material Handling & Conveyor Systems: Powers precise control in logistics, warehousing, and material transportation, enhancing efficiency and reducing manual tasks.
- SCADA & Remote Monitoring Systems: Facilitates real-time data acquisition and communication, enabling thorough oversight and control of distributed industrial assets.
- Energy & Utility Management: Optimizes plant and facility automation, contributing to improved energy efficiency and operational sustainability.
- Water and Wastewater Treatment: Provides dependable control for filtration, pumping, and chemical dosing processes.
Why Choose the 1785-L20E?
- Unrivaled Reliability: As an Allen-Bradley product, the 1785-L20E delivers the demonstrated durability and performance synonymous with a global leader in industrial automation.
- Seamless Network Integration: EtherNet/IP connectivity offers a modern, high-speed solution for connecting your control system to the wider enterprise network, facilitating data-driven decisions.
- Future-Proof Scalability: Its modular construction allows for effortless expansion as your operational needs evolve, safeguarding your investment and ensuring long-term applicability.
- Optimized Performance: With 16K words of memory and high-speed processing, this controller is engineered to manage intricate control tasks and provide real-time responsiveness.
- Enhanced Series E Features: Benefit from advanced capabilities and a proven track record of dependability.
Availability & Shipping
- ▸In stock: 1785-L20E 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 1785-L20E 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.