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

Allen-Bradley 1794-ACNR Redundant ControlNet Adapter

Core Technical Specifications

• Brand & Manufacturer: Allen-Bradley
• Model Number: 1794-ACNR
• Product Type: Flex I/O Redundant ControlNet Media Adapter
• Communication Ports: Two (2) ControlNet BNC ports for redundancy
• Data Transfer Speed: 5 Megabits per second (Mbps)
• ControlNet Protocol: Version 1.25
• Input Voltage Range: 19.2 to 31.2 Volts DC (Nominal 24V DC)
• Maximum Current Draw: 400 mA from the external supply
• FlexBus Output Current: 640 mA maximum at 5V DC

Key Features & Redundancy

• The 1794-ACNR provides a redundant ControlNet data highway for critical network applications.
• It can connect and manage up to 8 Flex I/O modules (discrete, analog, or specialty).
• The module features clear LED status indicators for I/O, Comm A, and Comm B.
• It offers high 850V DC isolation voltage for enhanced system protection.
• The adapter is designed for easy DIN rail mounting within a protective enclosure.

Environmental & Physical Specifications

• Operating Temperature: -20 to 55 °C (-4 to 131 °F)
• Storage Temperature: -40 to 85 °C (-40 to 185 °F)
• Vibration Resistance: 5g from 10 to 500 Hz (IEC 60068-2-6).
• Operating Shock Resistance: 30g peak acceleration (IEC 60068-2-27).
• Enclosure Type: Open-type, requiring installation in a suitable industrial enclosure.
• Power Dissipation: 4.6W maximum at 19.2V DC.

Frequently Asked Questions (FAQ)

• Q: Is the 1794-ACNR module brand new and in stock?
  A: Yes, we provide only new, genuine Allen-Bradley products and have the 1794-ACNR in available stock.
• Q: What is the key advantage of the 1794-ACNR over a standard adapter?
  A: The 1794-ACNR features two ControlNet ports to create a redundant network path for higher system availability.
• Q: How many I/O modules can it support and at what speed?
  A: It supports a bank of up to 8 modules and communicates at 5 Mbps.
• Q: What are the shipping and return terms?
  A: Orders ship within 5 business days via major carriers. We support a 30-day return policy for customer satisfaction.
• Q: What power supply is required?
  A: It requires a 24V DC (19.2-31.2V DC) SELV/PELV power supply with a maximum draw of 400 mA.

Contact Information Inquiries: Email us at sales@nex-auto.com or message us on WhatsApp: +86 153 9242 9628.

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