PLC-5/40 ControlNet Processor 1785-L40C15 by Allen-Bradley

Overview

The 1785-L40C15 is an Allen-Bradley PLC-5/40 processor designed for high-performance ControlNet communications. Engineered for industrial automation, it provides robust program memory and extensive I/O capacity, making it suitable for complex control applications.

Technical Specifications

• Manufacturer: Allen-Bradley

• Part Number: 1785-L40C15

• Product Type: PLC-5/40 Processor Module

• Processor Type: PLC-5/40

• Communication Network: ControlNet

• Program Memory: Up to 48K words (model-dependent)

• Maximum I/O Capacity: 2048 points (inputs and outputs combined, free mode)

• Communication Ports:

• Serial

• Data Highway Plus (DH+)

• DH via 1785-KA Adapter

• Remote I/O (RIO)

• ControlNet embedded ports

• Dimensions: 4.9 x 16.5 x 27.4 cm

• Weight: 1.42 kg

• Mounting: Standard DIN rail or panel installation

Features

• High-capacity memory for complex PLC-5 programs

• Extensive I/O support for large industrial systems

• Embedded multi-protocol communication for flexibility

• Reliable ControlNet performance for real-time applications

• Compact design for easy integration into control panels

Applications

• Large-scale industrial automation requiring high I/O

• Factory floor control systems with real-time data requirements

• Integration with remote I/O and Data Highway networks

FAQ

Q: Can 1785-L40C15 work with older PLC-5 modules?
A: Yes, it supports backward compatibility with previous PLC-5 I/O modules using DH+ or RIO.

Q: What is the maximum program memory?
A: Up to 48K words depending on model revision.

Q: Is ControlNet required to operate this processor?
A: No, it supports multiple communication protocols including DH+ and RIO, but ControlNet provides optimal high-speed performance.