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Allen-Bradley 1784-U2DN USB-to-DeviceNet Communication Adapter – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 1784-U2DN |
| Product Type | USB-to-DeviceNet Communication Adapter |
| Product Family | DeviceNet Network Communication Products |
| Main Function | Connects a PC’s USB port to a DeviceNet network |
| Host Interface | USB |
| Network Protocol | DeviceNet |
| Network Connector | 5-pin open-style male Phoenix connector |
| Number of Network Ports | 1 |
| Supported Data Rates | 125 / 250 / 500 kbps |
| Maximum DeviceNet Network Distance | Up to 500 m, depending on data rate and network configuration |
| USB Supply | 75 mA at 5V DC |
| DeviceNet Supply | 70 mA at 24V DC |
| Power Consumption | 0.5 W |
| Power Dissipation | 0.5 W |
| Isolation Voltage | 30V continuous; tested at 500V AC for 60 seconds |
| Enclosure Rating | IP30 (installation documentation); product page lists IP20 |
| Cable Length | Approx. 0.61 m (2 ft) |
| Operating Temperature | 0–55°C |
| Storage Temperature | -10–85°C |
| Dimensions | Approx. 76.2 × 50.8 × 25.4 mm (adapter body; cable excluded) |
| Weight | Approx. 0.11 kg |
| Country of Origin | United States (Rockwell listing; manufacturing location may vary) |
| Lifecycle Status | Active |
FAQ
FAQ
Q1: What is the Allen-Bradley 1784-U2DN?
A: It is a USB-to-DeviceNet communication adapter that allows a computer to connect directly to an industrial DeviceNet network.
Q2: What is the main application of the 1784-U2DN?
A: It is used for PLC configuration, DeviceNet network commissioning, diagnostics, and communication through a PC’s USB port.
Q3: What communication data rates does it support?
A: It supports DeviceNet communication rates of 125 kbps, 250 kbps, and 500 kbps.
Q4: Which connector does the 1784-U2DN use?
A: It uses a USB connection on the computer side and a 5-pin open-style Phoenix connector on the DeviceNet network side.
Q5: Does the adapter require an external power supply?
A: It receives power from both the USB connection and the DeviceNet network. USB supplies 5V DC, while DeviceNet supplies 24V DC.
Q6: What is the maximum DeviceNet communication distance?
A: The supported network distance can reach 500 m, depending on the selected data rate, cable type, and network configuration.
Q7: What are the dimensions and weight?
A: The adapter body is approximately 76.2 × 50.8 × 25.4 mm, excluding the cable. Its manufacturer-documented weight is approximately 0.11 kg.
Q8: What is the country of origin and lifecycle status?
A: Rockwell Automation lists the United States as the country of origin and Active as the lifecycle status. Actual manufacturing origin should be confirmed from the product label.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
