Allen-Bradley 1797-ACNR15

Allen-Bradley 1797-ACNR15 | FLEX Ex ControlNet Adapter for Intrinsically Safe Distributed I/O

Overview

The Allen-Bradley 1797-ACNR15 is a ControlNet communication adapter designed for use with FLEX Ex I/O systems in hazardous (Zone 1 / Class I Div. 1) environments. This module allows intrinsically safe remote I/O nodes to communicate over a ControlNet network, supporting redundant media connections to ensure network reliability and high availability in demanding industrial applications.

Key Features

• ControlNet Interface: Provides communication between FLEX Ex I/O and ControlNet networks

• Redundant Media Support: Dual coaxial ports for primary and secondary media redundancy

• Hazardous Location Certified: Safe for use in Zone 1 / Division 1 classified areas

• Status LEDs: Diagnostic indicators for module, channel, and network status

• Compact Design: DIN rail mounting, optimized for panel integration

• Network Reliability: Supports deterministic, high-speed communication

• FLEX Ex Compatibility: Connects directly to FLEX Ex backplane and modules

Technical Specifications

• Catalog Number: 1797-ACNR15

• Network: ControlNet

• Media Type: Coaxial cable (dual port for redundancy)

• Power Supply: Provided via FLEX Ex power interface

• Mounting Type: DIN rail

• Operating Temperature: -20°C to +70°C (-4°F to +158°F)

• Enclosure Rating: Suitable for hazardous locations

• Certifications: ATEX, IECEx, UL, CSA, CE

• LED Indicators: Channel A/B, module status, network status

Applications

• Oil & gas field operations

• Petrochemical and chemical manufacturing

• Offshore platforms

• Refineries and pipeline automation

• Distributed control systems in explosive zones

Why Choose the 1797-ACNR15?

• Reliable Communication: Enables safe and deterministic data exchange in hazardous areas

• Redundant Network Support: Ensures uptime and fault tolerance

• Certified for Harsh Environments: Fully compliant with global hazardous area standards

• Efficient Integration: Seamlessly connects FLEX Ex I/O to ControlNet infrastructure

• Compact and Scalable: Ideal for remote and space-limited installations

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