Product Overview
The Allen-Bradley 1784-U2CN is a USB-to-ControlNet cable engineered for seamless connectivity between a computer and a ControlNet network. As a key component in the PLC 5 series from Rockwell Automation, this industrial automation module enables reliable communication for controlling automation units. With a 5.25 VDC supply and 225 mA current rating, the 1784-U2CN delivers consistent performance in demanding environments.
Technical Specifications
The 1784-U2CN operates within a temperature range of 0 to 55 degrees Celsius and meets IP 30 enclosure rating, providing basic protection against solid objects. Its isolation voltage is 30 Volts continuous, ensuring safe separation. The ControlNet current is 70 mA at 24 Volts, and the device complies with CE, RCM, KCC, and CI standards, along with cULus marking.
| Parameter |
Value |
| Brand |
Allen-Bradley / Rockwell Automation |
| Series |
PLC 5 |
| Part Number |
1784-U2CN |
| Description |
ControlNet cable |
| Voltage |
5.25 Volts DC |
| Current |
225 mA |
| Standard |
CE, RCM, KCC, CI |
| Temperature |
0-55 degrees Celsius |
| Enclosure |
IP 30 |
| Isolation Voltage |
30 Volts |
| ControlNet Current |
70 mA at 24 Volts |
| UPC |
10612598524836 |
| UNSPSC |
43201404 |
Key Features and Benefits
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USB-to-ControlNet connectivity: Enables direct connection from laptops or desktops to ControlNet networks.
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Integrated node address switch: Allows quick address changes without additional tools.
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LED status indicators: Provides real-time feedback on USB, module, and network status.
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Compact design: Three-component structure with connectors on both ends and a central switch.
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Compliance: Meets cULus, CE, RCM, KCC, and CI standards for global use.
Installation and Setup
To install the 1784-U2CN, connect the USB end to your computer and the ControlNet end to the network. Use the node address switch to set a unique address for the device. The LED indicators will guide you through configuration: the USB indicator turns green when configured but idle, and blinks during active network traffic. Ensure the cable is not exposed to water or excessive electrostatic discharge, which can damage internal components.
Maintenance and Reliability
Regularly inspect the cable for physical damage and ensure connectors are clean and secure. Operate within the specified temperature range (0-55°C) and avoid environments with high humidity or water exposure due to the IP 30 rating. The 1784-U2CN is sensitive to electrostatic discharge; use proper ESD precautions during handling to maintain long-term reliability.
Compatibility and Integration
The 1784-U2CN is part of the Allen-Bradley PLC 5 series and is designed for ControlNet networks. It works with any computer equipped with a USB port, making it a versatile tool for programming, monitoring, and troubleshooting ControlNet-based automation systems.
Selection Guide
When selecting the 1784-U2CN, verify that your system requires USB-to-ControlNet connectivity and that the operating environment stays within the specified limits. This cable is an ideal choice for engineers and technicians seeking reliable network access. For guaranteed authenticity and quality, consider purchasing from PLC Source PRO, a trusted supplier of industrial automation parts.