Products Description
The Allen‑Bradley 1785‑L20E Ethernet Processor Module is a high-performance processor designed for the PLC-5 series programmable logic controller platform. Developed by Allen‑Bradley, a brand of Rockwell Automation, this module combines powerful control capabilities with integrated Ethernet communication, enabling reliable data exchange across industrial networks.
The Allen Bradley 1785-L20E Ethernet Processor Module acts as the central controller in PLC-5 systems, executing control programs, managing input and output data, and supporting real-time communication with supervisory systems. With built-in Ethernet connectivity, the module allows users to connect controllers to plant networks for monitoring, diagnostics, and data acquisition, making it suitable for modern automated production environments.
Contact Us
For pricing, availability, and ordering information regarding analog input modules, please feel free to contact our sales team. We are committed to providing rapid response, highly competitive pricing, and fast global shipping.
Our address
32D, Hubin South Road No.388, Xiamen 361009, Fujian, China
Phone Number
Technical Specifications
Manufacturer: Allen-Bradley (Rockwell Automation)
Product Type: PLC Processor Module
Model: 1785-L20E
Series: PLC-5 Series
Communication Interface: Integrated Ethernet port
Memory Capacity: Up to 16K words user memory
Programming Software: Compatible with RSLogix 5 programming environment
Network Support: Ethernet/IP communication for industrial data transfer
Mounting: Rack-mounted PLC-5 chassis installation
Operating Environment: Designed for industrial control cabinets and automation systems
Functional Advantages
For many industrial users, reliability and compatibility are key considerations when selecting a controller module.
Improved Network Connectivity – Ethernet capability simplifies plant network integration and remote access.
Stable Control Performance – Designed for continuous operation in industrial environments.
Easy Program Management – Compatible with standard PLC-5 programming tools used by maintenance engineers.
Reduced System Downtime – Built-in diagnostic functions help identify faults quickly.
Core Features
Integrated Ethernet Communication
The module includes a built-in Ethernet interface, allowing seamless communication between PLCs, human-machine interfaces (HMI), and supervisory control systems.
Reliable PLC-5 Processing Architecture
It supports deterministic program execution, ensuring consistent control over machines and processes.
Flexible System Integration
The processor can be easily integrated into existing PLC-5 racks, enabling system upgrades without replacing the entire control infrastructure.
Diagnostic and Monitoring Capability
With Ethernet connectivity, operators can remotely monitor system performance and troubleshoot issues more efficiently.
Application Areas
The module is widely applied in various industrial automation sectors where reliable PLC control is required:
Manufacturing production lines
Oil and gas processing facilities
Power generation plants
Water treatment systems
Packaging and material handling equipment
About PLC Export
As a leading supplier of new and surplus industrial automation and control equipment, PLC Export's growth and development over more than two decades fully demonstrate the unwavering dedication and relentless efforts of its outstanding team.
Since 2003, PLC Export has continuously expanded its product lines and customer base. The company has been repeatedly recognized as a trusted supplier, reflecting its sustained growth and significant industry impact. Today, PLC Export offers one of the most extensive selections of manufacturers and industrial automation equipment, including Programmable Logic Controllers (PLC), Human-Machine Interfaces (HMI), Distributed Control Systems (DCS), Panel Controllers, Industrial PCs, and Variable Frequency Drives (VFDs).
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Quality Assurance and Testing
Each module is usually tested before shipment to verify functionality and communication performance. Typical inspection procedures include:
Power-on diagnostic verification
Communication port testing
Memory integrity checks
Physical inspection of connectors and circuit boards
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