ControlNet Adapter Module | 1794-ACNR Allen-Bradley

Allen-Bradley 1794-ACNR Flex I/O ControlNet Adapter

This advanced network adapter provides reliable ControlNet connectivity for distributed I/O systems. The Allen-Bradley 1794-ACNR features redundant media ports and high-speed communication for industrial automation.

Technical Specifications

• Product Type: Flex I/O ControlNet Redundant Media Adapter
• ControlNet Protocol: Version 1.25 compatible
• Communication Ports: 2 BNC connectors (redundant)
• Data Transfer Rate: 5 Mbps high-speed
• Supported Modules: Up to 8 Flex I/O modules
• Power Requirements: 24V DC (19.2-31.2V range)
• Current Consumption: 400mA maximum
• Flexbus Output: 640mA at 5V DC
• Isolation Voltage: 850V DC protection
• Operating Temperature: -20°C to 55°C (-4°F to 131°F)

Communication Features

• Network Type: ControlNet deterministic network
• Port Configuration: Dual redundant BNC ports
• Data Speed: 5 megabits per second
• Protocol Version: 1.25 standard compliance
• Network Topology: Trunkline/dropline configuration

Power Specifications

• Input Voltage: 24V DC nominal
• Voltage Range: 19.2-31.2V DC operating
• Input Current: 400mA maximum consumption
• Output Power: 640mA at 5V DC for modules
• Power Supply: SELV/PELV type required

Physical Specifications

• Mounting: Standard DIN rail installation
• Enclosure: Industrial plastic housing
• Connectors: BNC for network, terminal block for power
• Dimensions: Compact modular design
• Weight: 0.37kg

Status Indicators

• Communication A/B: Red/green LED indicators
• I/O Status: Red/green status LEDs
• Network Activity: Visual communication status
• Module Status: Individual module indicators
• Power Status: Power supply indication

System Configuration

• Module Capacity: 8 Flex I/O modules maximum
• Module Types: Discrete, analog, specialty modules
• I/O Points: Configurable point density
• Expansion: Modular expansion capability
• Configuration: Software configurable

Environmental Ratings

• Temperature: -20°C to +55°C operating
• Humidity: 5-95% non-condensing
• Altitude: Up to 2000 meters operation
• Vibration: Industrial vibration tolerance
• Protection: Designed for harsh environments

Key Features

• Redundant ControlNet media ports
• High availability network design
• Easy DIN rail mounting
• Comprehensive status indicators
• Wide module compatibility

Industrial Applications

• Distributed I/O control systems
• Process control networks
• Manufacturing automation lines
• Material handling equipment
• Factory automation solutions

Certifications & Compliance

• CE Compliant for Europe
• Industrial standards compliance
• Safety isolation standards
• EMC directive compliance
• Quality manufacturing standards

Package Contents

• ControlNet Adapter unit
• Installation documentation
• Mounting accessories
• Technical specifications

Warranty & Support

• 12-month manufacturer warranty
• Technical support available
• Installation guidance provided
• Quality assurance guaranteed