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Allen Bradley

Allen Bradley 1784-U2CN USB to Data Highway Plus Cable

Allen Bradley 1784-U2CN USB to DH+ Communication Cable

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ManufacturerAllen Bradley

Part number20G11FD040AA0NNNNN

Interface USB Type A to DH+

Network Data Highway Plus (DH+)

Connector (Network) 6-pin mini-DIN

Cable Length 1.8 m (6 ft)

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

USB to DH+ connectivity Replaces communication cards Supports PLC-5, SLC 500, MicroLogix Optical isolation for network protection Bus-powered via USB

Product description

The Allen Bradley 1784-U2CN is a versatile USB to Data Highway Plus (DH+) communication interface cable. It allows for direct connection between a computer's USB port and an Allen-Bradley DH+ network, eliminating the need for dedicated communication cards. This cable is essential for programming, monitoring, and troubleshooting various Allen-Bradley PLCs.

This communication cable is compatible with a wide range of Allen-Bradley controllers, including PLC-5, SLC 500, and MicroLogix families. It is widely used in manufacturing, process control, and industrial automation environments where legacy DH+ networks are still prevalent.

Streamline your connectivity with the Allen Bradley 1784-U2CN from Stanlo Automation. As a veteran-owned surplus parts distributor, we provide essential automation components. Trust Stanlo Automation for reliable industrial networking solutions.

Technical specifications

Interface	USB Type A to DH+
Network	Data Highway Plus (DH+)
Connector (Network)	6-pin mini-DIN
Cable Length	1.8 m (6 ft)
Power	USB Bus-powered
Isolation	Optical

Common applications

PLC Programming

HMI Configuration

Data Acquisition

Industrial Networking

System Monitoring

Troubleshooting

Compatible systems

PLC-5 SLC 500 (5/03, 5/04, 5/05) MicroLogix 1500 (with DH+ card) RSLogix 5 RSLogix 500 RSLinx Classic

Also known as

USB to DH+ Cable 1784-U2CN Cable Allen Bradley DH+ Adapter

Replaces / compatible with

This cable replaces the need for older communication cards like the 1784-KTX, providing a modern USB interface to legacy DH+ networks.

Technical note

Expert tip

Ensure the correct USB drivers are installed from the Rockwell Automation support portal before connecting the 1784-U2CN to your PC for reliable communication.

What happens next?

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Frequently asked questions

How does the Allen Bradley 1784-U2CN connect a PC to a DH+ network?

The 1784-U2CN features a standard USB Type A connector for your PC and a 6-pin mini-DIN connector for the Data Highway Plus network. It acts as a direct interface, translating USB communication to the DH+ protocol.