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Allen Bradley SLC 500 1747-L20R Fixed PLC Controller

Allen Bradley SLC 500 fixed PLC with relay outputs.

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ManufacturerAllen Bradley

Part number1747-L20R

Memory 20K words (Program) / 16K words (Data)

I/O Fixed

Output Type Relay

Power 110/220V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Compact fixed PLC 20K program memory 16K data memory Relay outputs DH-485 communication 110/220V AC power

Product description

The Allen Bradley 1747-L20R is a compact SLC 500 programmable logic controller (PLC) with fixed I/O. It features 20K words of memory for program logic and 16K words for data. This specific model includes relay outputs, making it suitable for applications requiring higher current switching capabilities.

This PLC is widely used in standalone machine control, small automation cells, and applications where a compact, integrated controller is needed. Industries such as material handling, packaging, and general manufacturing benefit from its reliability and ease of use.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 1747-L20R. We provide quality, tested components to ensure your industrial automation systems remain operational and cost-effective.

Technical specifications

Memory	20K words (Program) / 16K words (Data)
I/O	Fixed
Output Type	Relay
Power	110/220V AC
Series	SLC 500
Communication Port	DH-485

Common applications

Machine control

Small automation systems

Packaging machinery

Material handling

Food and beverage

General manufacturing

Compatible systems

SLC 500 Series RSLogix 500 DH-485 Network

Also known as

SLC 500 1747-L20R AB SLC 500 PLC 1747L20R

Replaces / compatible with

This SLC 500 controller is a component within the SLC 500 family and can replace other SLC 500 controllers with similar specifications, depending on the application's requirements.

Technical note

Expert tip

Ensure the 1747-L20R is installed in a suitable SLC 500 chassis and that the voltage source for the power supply module is within the specified 110/220V AC range.

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Frequently asked questions

What is the memory capacity of the Allen Bradley 1747-L20R SLC 500 PLC?

The Allen Bradley 1747-L20R SLC 500 PLC has a memory capacity of 20K words for program storage and 16K words for data storage. This provides ample space for typical logic and data handling in smaller automation applications.