Allen Bradley 1794-ACN15 Flex I/O ControlNet Adapter Module

Product Introduction

The Allen-Bradley 1794-ACN15 Flex I/O ControlNet Adapter Module is a robust communication interface designed to integrate Flex I/O modules into a ControlNet network. It acts as a bridge between a controller and distributed I/O, providing reliable and high-speed communication for industrial automation systems.

This adapter supports up to 8 Flex I/O modules, with a FlexBus output current of 640 mA to power connected modules. Its design includes a built-in power supply capable of handling input voltages from 19.2 to 31.2 VDC and an inrush current of 23 A for 2 ms. The module is capable of a maximum power dissipation of 4.6 W at 19.2 VDC. With a ControlNet communication rate of 5 Mbps and an isolation voltage of 850 VDC, it ensures both performance and safety in industrial environments.

Compact and lightweight, with operating temperatures from 0 to 55 °C and storage temperatures down to -40 °C, the 1794-ACN15 is suitable for a wide range of applications where distributed I/O reliability, scalability, and fast network communication are required.

Product Specifications

Applications

• Distributed I/O systems – Connects multiple Flex I/O modules to ControlNet networks for centralized monitoring and control

• Factory automation – Integrates remote I/O modules for assembly lines, packaging, and material handling systems

• Process control environments – Provides high-speed communication for real-time monitoring and control of industrial processes

• OEM and machine-building applications – Supports modular and scalable architectures for machinery control

• Remote diagnostics and monitoring – Allows operators to monitor distributed I/O modules in real time over ControlNet

Advantages

• Supports up to 8 I/O modules – Provides scalable system expansion while minimizing network complexity

• High-speed communication – 5 Mbps ControlNet interface ensures fast and reliable data transfer

• Built-in power supply – Powers Flex I/O modules with up to 640 mA FlexBus output current

• Electrical isolation – 850 VDC isolation protects the network and connected devices

• Compact and lightweight design – Easy to install in panels or DIN rail setups

• Reliable industrial operation – Designed for stable performance within operating temperatures of 0–55 °C

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