Description
Allen-Bradley 1794-ACNR Flex I/O ControlNet Redundant Adapter
Reliable network adapter for high-availability ControlNet systems. The Allen-Bradley 1794-ACNR ensures continuous operation with dual redundant ports for critical automation applications.
Technical Specifications
Brand: Allen-Bradley (Rockwell Automation)
Model: 1794-ACNR
Product Type: Flex I/O ControlNet Redundant Adapter
Voltage: 24V DC (19.2-31.2V DC range)
Power Consumption: 400mA maximum
Data Speed: 5 Mbps
ControlNet Ports: 2 BNC connectors
Max Modules: Supports 8 Flex I/O modules
Flexbus Current: 640 mA at 5V DC
Isolation Voltage: 850V DC
Operating Temp: -20°C to 55°C (-4°F to 131°F)
Storage Temp: -40°C to 85°C (-40°F to 185°F)
Power Dissipation: 4.6W maximum
Thermal Dissipation: 15.7 BTU/hr
Mounting: DIN rail
Protocol: ControlNet Version 1.25
Indicators: Comm A, Comm B, I/O Status LEDs
Installation & Compatibility
Easy DIN rail mounting. Compatible with all 1794 Flex I/O modules. Requires external 24V DC power supply. Uses standard Belden RG-6/U ControlNet cable.
Warranty & Shipping
This product includes a 12-month warranty. We ship worldwide using FedEx, UPS, and DHL for reliable delivery.
Frequently Asked Questions
- What is redundant ControlNet?
It provides backup network paths for continuous operation if one cable fails. - How many I/O modules can it support?
It supports up to 8 Flex I/O modules in any combination. - What power supply does it need?
It requires 24V DC power (19.2-31.2V DC range). - What cables are used for ControlNet?
Standard Belden RG-6/U coaxial cables with BNC connectors. - What do the LED indicators show?
They show communication status for both networks and I/O activity.
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