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1769-L31 Allen Bradley CompactLogix PAC Controller

Allen Bradley 1769-L31 CompactLogix PAC controller with 512KB memory.

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ManufacturerAllen Bradley

Part number1769-L31

Memory 512 KB

Communication Ports 2 x RS-232

I/O Expansion Up to 16 local modules, 3 banks

Series CompactLogix

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12-month warranty

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Veteran-owned

CAGE: 9NK75

512KB User Memory Dual RS-232 Ports Supports up to 16 Local I/O Modules CompactLogix Series Ideal for Small to Medium Applications

Product description

The Allen-Bradley 1769-L31 is a CompactLogix Programmable Automation Controller (PAC) featuring 512 KB of user memory and dual RS-232 communication ports. It supports the installation of up to 16 local I/O modules and can be expanded with up to three banks of I/O modules, making it suitable for small to medium-scale applications.

This controller is ideal for machine-level control, packaging equipment, material handling, and OEM control panels. Its dual RS-232 ports support various protocols like DF1, DH-485, and ASCII, providing flexible communication options for integrated automation networks.

Source your 1769-L31 from Stanlo Automation, a veteran-owned surplus parts distributor. We ensure you receive reliable and tested components to keep your industrial automation systems running efficiently.

Technical specifications

Memory	512 KB
Communication Ports	2 x RS-232
I/O Expansion	Up to 16 local modules, 3 banks
Series	CompactLogix
Power	330mA at 5V DC, 40mA at 24V DC

Common applications

Machine Control

Packaging Equipment

Material Handling

OEM Control Panels

Distributed I/O

Compatible systems

CompactLogix systems

Also known as

1769L31, CompactLogix L31

Replaces / compatible with

The 1769-L31 is a component within the CompactLogix family, often used in systems where scalability and integrated control are required.

Technical note

Expert tip

The 1769-L31 must be installed as the leftmost module and within four modules of the system's power supply.

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Frequently asked questions

What communication protocols does the Allen Bradley 1769-L31 support?

The 1769-L31's dual RS-232 ports support DF1, DH-485, and ASCII protocols. Channel 0 is fully isolated and supports DF1, DH-485, and ASCII, while Channel 1 is non-isolated and supports DF1 and DH-485.