Allen-Bradley 1747-L531

Allen-Bradley 1747-L531 | SLC 5/03 Series Processor Module

Overview

The Allen-Bradley 1747-L531 is a SLC 5/03 processor module designed for the modular SLC 500 control system. With 16K words of user memory and built-in DH-485 and RS-232 communication ports, it provides a reliable and cost-effective control solution for a wide range of industrial automation applications.

Key Features

• Memory Size: 16K words user memory (8K words for data, 8K words for program)

• Processor Type: SLC 5/03 CPU

• Communication Ports:

  • DH-485 (for network communication)

  • RS-232 (DF1, DH-485, ASCII modes)

• Data Handling: Bit, word, and file addressing formats

• Status Indicators: LED status indicators for processor and communication health

• Program Storage: Battery-backed RAM

• Expansion: Supports local and remote I/O

• Communication Support: Advanced diagnostics and messaging

Technical Specifications

• Catalog Number: 1747-L531

• Program Scan Time: 1.5 ms/K

• Input Power Requirement: 5V DC from SLC 500 chassis backplane

• Battery: Memory backup battery (1747-BA) included

• I/O Support: Up to 30 local I/O modules

• Operating Temperature: 0°C to 60°C (32°F to 140°F)

• Storage Temperature: -40°C to 85°C (-40°F to 185°F)

• Relative Humidity: 5% to 95% non-condensing

• Shock Resistance: 30g operational

• Vibration Resistance: 5g, 10–500 Hz

• Certifications: UL, CE, CSA

Applications

• Factory automation

• Process control systems

• Material handling equipment

• Machine control systems

• Distributed control environments

Why Choose the 1747-L531?

• Reliable Performance: Proven SLC platform with strong industrial reputation

• Flexible Communication: Integrated DH-485 and RS-232 ports

• Scalable: Supports a broad range of I/O and communication modules

• Easy Programming: Compatible with RSLogix 500 software

• Robust Design: Built for industrial and harsh environments

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Available and ready for immediate shipment.