1784-U2DN DeviceNet USB Adapter | Allen-Bradley Network Tool
Manufacturer: Allen Bradley
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Part Number: 1784-U2DN
Condition：New with Original Package
Product Type: USB to DeviceNet Communication Adapter
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The Allen-Bradley 1784-U2DN is a USB-to-DeviceNet communication interface that allows a PC or engineering workstation to connect directly to a DeviceNet network. Ideal for commissioning, configuring, troubleshooting, and maintaining DeviceNet nodes, this adapter provides a modern, compact alternative to legacy PCMCIA interfaces.
The 1784-U2DN comes with a 0.61 m (2 ft) USB cable, offering plug-and-play connectivity to RSNetWorx for DeviceNet, RSLinx Classic, and Studio 5000 tools supporting DeviceNet. Its fully USB-powered design eliminates the need for external power supplies, and built-in electrical isolation protects both the PC and network from faults.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1784-U2DN |
| Product Type | USB to DeviceNet Communication Adapter |
| Enclosure Rating | IP30 |
| USB Supply | 75 mA @ 5 VDC |
| DeviceNet Supply | 70 mA @ 24 VDC |
| Power Consumption | 0.5 W |
| Isolation Voltage | 30 V continuous, basic insulation; tested at 500V AC for 60 s |
| Wire Size | DeviceNet: 0.05–3.3 mm² (30–12 AWG), solid or stranded, max 1.2 mm insulation |
| Wiring Category | 2 – communication ports |
| Terminal Block Torque | 0.6–0.8 N·m (5–7 lb·in) |
| PC Interface | USB 2.0 Type B connector |
| Network Interface | DeviceNet 5-pin open-style connector |
| Supported DeviceNet Baud Rates | 125 kbps, 250 kbps, 500 kbps |
| LED Indicators | Power, USB, DeviceNet, Communication Activity |
| Cable Length | 0.61 m (2 ft) USB cable included |
| Operating Temperature | 0 °C to +50 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5–95% non-condensing |
| Dimensions | 100 × 60 × 30 mm |
| Weight | 0.2–0.3 kg |
| Certifications | UL, cUL, CE |
| Lifecycle Status | Active / widely used for DeviceNet maintenance |