Overview
The Allen-Bradley 1794-ADN is a 24 VDC DeviceNet media adapter module from Rockwell Automation’s FLEX I/O family. This module connects a Flex I/O rack to the central DeviceNet scanner to allow I/O data exchange. The 1794-ADN is a Flex I/O communication module and a DeviceNet communication adapter, used with the 1794 Flex IO product family. This open-style adapter supports both DIN rail and panel mounting, making it a flexible choice for cabinet installations in manufacturing and process automation environments.
Key Features
- Supports up to 8 Flex I/O modules and communication rates of 125 Kbps, 250 Kbps, and 500 Kbps.
- Status indicators allow users to monitor I/O and ModNet status.
- Supports DIN rail or panel mounting.
- Includes one DeviceNet port with an open 5-pin or 10-pin linear plug.
- Open-type enclosure design for compact control panel integration
Technical Specifications
- Supply Voltage: 24 Volts DC nominal input voltage
- Input Voltage Range: 19.2 to 31.2 VDC
- Power Consumption: 400 mA at 24 Volts supply current load; 90 mA DeviceNet power rating at 24 VDC
- Communication Rates: 125, 250, 500 Kbps
- I/O Module Capacity: 8 Flex I/O modules
- Operating Temperature: 0 to 55 °C (32 to 131 °F)
- Storage Temperature: -40 to 85 °C (-40 to 185 °F)
- Dimensions: 3.7 x 3.6 x 3.4 inches
- Mounting: DIN rail or panel mount
- Enclosure Type: Open-style
- FlexBus Output Current: 640 mA at 5 Volts DC maximum
- Certifications: C-TICK, CE, CUL, GOST, KC, MARINE, UL
Typical Applications
The Allen-Bradley 1794-ADN is designed for use with Flex I/O systems, providing a seamless communication interface between DeviceNet networks and distributed I/O devices. It enables efficient and reliable data exchange in industrial automation, offering high-speed networking capabilities for real-time control and monitoring. Common uses include factory automation, process control, packaging lines, and material handling systems where distributed I/O must communicate over DeviceNet.
Compatibility & Replacements
Compatible With
- Allen-Bradley Flex I/O 1794 series I/O modules
- DeviceNet networks and scanners
- Rockwell Automation control systems
- Industrial devices supporting DeviceNet protocol
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 1794-ADN is a standard communication adapter in the Flex I/O lineup; consult Rockwell Automation documentation for specific model interchangeability.
Works With
- DeviceNet protocol
- RSLogix and Studio 5000 (with appropriate firmware)
- Flex I/O chassis and distributed I/O racks
- Third-party DeviceNet-compatible master controllers and scanners
