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1747-L531 Allen-Bradley

Name: 1747-L531 Allen-Bradley
Brand: Allen Bradley
SKU: 1747-L531
Price: 450.0 USD
Availability: InStock

$450.00 - $711.08

$450.00

$450.00 - $711.08

$450.00

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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The 1747-L531 is an Allen-Bradley SLC 5/03 processor module within the SLC 500 modular PLC family. It acts as the central processing unit in SLC 500 control systems, hosting user programs and managing communication with I/O modules via backplane and serial networks. Typical applications include small stand-alone control systems, medium distributed systems across multiple chassis, and retrofit of legacy industrial machinery. 1747-L531 supports up to 4 096 discrete I/O points and battery-backed RAM for program retention.

Best Suited For

Single-chassis SLC 500 installations
Distributed control across up to three chassis
Legacy system upgrades using DH-485/RS-232 networks
Applications needing battery-backed RAM retention

Controller memory

8 KB battery-backed RAM

Discrete I/O capacity

4 096 inputs and 4 096 outputs

Communication ports

DH-485, RS-232

Backplane current

500 mA @ 5 V DC, 175 mA @ 24 V DC

Technical Specifications

I/O & Electrical

Discrete I/O points

4 096 inputs, 4 096 outputs

Analog I/O capacity

180 analog I/O (approximate, distributor data)

Communication & Power

Communication protocols

DH-485 and RS-232 serial

Backplane current draw

500 mA @ 5 V DC; 175 mA @ 24 V DC

Power dissipation

1.75 W (typical)

Physical & Environmental

I/O chassis per controller

Up to 3 chassis, 30 module slots total

Ambient temperature

0-60 °C

Certifications

UL ListedCSA CertifiedC-TickCE

UL listed, CSA certified, C-Tick and CE markings (per official discontinuation notice)

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

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