Description
Description
The Allen-Bradley 1794-ADN is a DeviceNet Adapter Module and use with the Allen-Bradley Flex I/O system. This module provides a flexible, reliable solution for I/O communication, making it ideal for industrial automation and control systems. It allows seamless integration between the I/O modules and the DeviceNet network, ensuring high-performance data transfer. With support for multiple communication rates and robust power supply requirements, this module is an excellent choice for demanding applications that require efficient data exchange.
Technical Data
| Parameter | Value |
|---|---|
| Brand | Allen-Bradley |
| Model | 1794-ADN |
| I/O Capacity | 8 modules |
| Power Supply Voltage | 19.2…31.2V DC, 400 mA |
| DeviceNet Power Requirements | 24V DC (±4%) at 90 mA |
| DeviceNet Power Supply Voltage | 24V DC, 90 mA, Class 2 |
| Flexbus Output Supply Voltage | 5V DC, 640 mA |
| Flexbus Output Current (Max) | 640 mA @ 5V DC |
| Input Voltage Rating | 24V DC nom, 19.2…31.2V DC (includes 5% AC ripple) |
| Current Draw (Max) | 400 mA, 300 mA @ 24V DC |
| Communication Rate | 125 KB, 250 KB, 500 KB |
| Indicators | Power (On/off), Module/Network status (Red/green), I/O status (Red/green) |
| Isolation Voltage | 50V (continuous), basic insulation type. Tested at 1930V DC for 60 s (power to Flexbus, power to DeviceNet, and DeviceNet to Flexbus) |
| Power Dissipation (Max) | 7.6 W @ 19.2V DC |
| Thermal Dissipation (Max) | 26 BTU/hr @ 19.2V DC |
| Dimensions (H x W x D) | 87 x 68 x 69 mm (3.4 x 2.7 x 2.7 in) |
| Weight | 195.5 g (6.9 oz) |
| Wiring Category | Power connections: 1, Communications ports: 2 |
| Wire Size (Power Connections) | 0.33…3.3 mm² (22…12 AWG), solid or stranded copper, 75°C (167°F) or higher, 1.2 mm (3/64 in.) insulation max |
| Terminal Screw Torque | 0.8 N•m (7 lb•in) |
| Enclosure Type Rating | None (open-style) |
| Temperature Code (North America) | T4 |
| Temperature Code (UKEX/ATEX) | T4 |
| Temperature Code (IECEx) | T4 |
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