Allen Bradley 1785-L11B PLC-5/11 Processor

Product Introduction

The Allen Bradley 1785-L11B PLC-5/11 Processor is a reliable programmable logic controller processor designed for industrial automation systems that require stable control and data processing capabilities. Developed by Rockwell Automation and marketed under the Allen-Bradley product family, the PLC-5/11 processor is part of the well-known PLC-5 series used widely in manufacturing, process control, and machine automation.

The 1785-L11B processor provides 8K words of memory for control logic and supports up to 512 analog I/O points, making it suitable for medium-scale automation applications. Installed in a PLC-5 rack, the processor communicates with I/O modules and network interfaces through the system backplane, delivering dependable control performance for a wide range of industrial processes.

Product Specifications

Applications

• Industrial process control systems, managing analog and digital I/O devices within manufacturing plants.

• Production line automation, coordinating machines, sensors, and actuators in assembly operations.

• Chemical and process industries, where stable and continuous controller operation is required.

• Material handling systems, controlling conveyors, motors, and automated equipment.

• Legacy PLC-5 automation platforms, maintaining and upgrading existing industrial control systems.

• Machine control applications, where reliable ladder logic processing and analog I/O capability are essential.

Advantages

• Proven PLC-5 platform reliability, widely used in industrial automation for decades.

• 8K words of program memory, suitable for medium-sized automation programs.

• Support for up to 512 analog I/O points, enabling precise monitoring and control of industrial processes.

• Rack-based modular architecture, allowing flexible system expansion with additional modules.

• Stable backplane communication, ensuring reliable data exchange between processor and I/O modules.

• Strong compatibility with PLC-5 communication modules, supporting integration with DH+, Remote I/O, and Ethernet networks.

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