Allen-Bradley 1747-L551

Allen-Bradley 1747-L551 | SLC 5/05 Processor Unit | 16KB Memory | Ethernet & Serial Communication | Modular PLC Platform | Remote Programming

Overview

The Allen-Bradley 1747-L551 is a SLC 5/05 processor module for the SLC 500 modular PLC platform, featuring 16KB user memory, integrated Ethernet and RS-232 communication ports, and support for remote programming and monitoring. It’s designed for small to medium-sized automation systems, offering high reliability, simple configuration, and scalable I/O options.

Key Features

• Processor Type: SLC 5/05

• User Memory: 16KB

• Communication Ports: 1 x 10/100 Mbps Ethernet, 1 x RS-232

• Programming Support: RSLogix 500

• Remote Programming: Supported via Ethernet

• Chassis Compatibility: Fits any SLC 500 chassis

• Data Handling: Advanced instruction set including PID and data logging

• Built-In Real-Time Clock

Technical Specifications

• Catalog Number: 1747-L551

• Memory Type: Battery-backed RAM

• Ethernet Protocols: CSP, EtherNet/IP

• Max I/O: 4096 local or distributed points

• Max Program Scan Time: < 1 ms per 1K instructions

• Power Supply Required: SLC 500 series (sold separately)

• Operating Temp: 0°C to +60°C

• Certifications: UL, CE, CSA, Class I Div 2

Applications

• Industrial process control

• OEM machine control systems

• Material handling and logistics

• Utility and infrastructure automation

• Remote monitoring and supervisory control

Why Choose the 1747-L551?

• Ethernet capability for modern networked control

• Ideal upgrade for legacy SLC 500 systems

• Reliable performance in mission-critical applications

• Supports distributed I/O and remote access

• Part of the trusted SLC 500 product family

Order Now

The Allen-Bradley 1747-L551 SLC 5/05 processor is available and ships worldwide.