Product details
Allen-Bradley 1794-ACNR Flex I/O Redundant ControlNet Adapter
The 1794-ACNR by Allen-Bradley (Rockwell Automation) is a high-availability communication adapter for Flex I/O systems. It provides redundant ControlNet connectivity for critical industrial applications where network reliability is essential. This DIN rail-mounted adapter ensures continuous operation even if one network path fails.
📊 Detailed Technical Specifications
- Brand & Model: Allen-Bradley 1794-ACNR Flex I/O Adapter
- Product Type: Redundant ControlNet Media Adapter
- Input Voltage: 19.2-31.2V DC (Nominal 24V DC)
- Power Consumption: 400 mA maximum @ 24V DC
- Data Transfer Speed: 5 Mbps
- ControlNet Protocol: Version 1.25
- Max Flex I/O Modules: 8 modules
- Flexbus Output: 640 mA @ 5V DC
- Isolation Voltage: 850V DC
- Operating Temperature: -20°C to 55°C (-4°F to 131°F)
- Communication Ports: 2 x ControlNet BNC connectors
- Mounting: DIN Rail (35mm)
- Power Dissipation: 4.6W maximum @ 19.2V DC
- Inrush Current: 23A for 2 milliseconds
- Enclosure Type: Open-type (requires protective enclosure)
📦 Package Includes & Shipping
- One (1) Allen-Bradley 1794-ACNR ControlNet Adapter
- One (1) Product Manual (Digital/Physical)
- This product includes a 12-month warranty
- Worldwide shipping via FedEx, UPS, and DHL
❓ Frequently Asked Questions
- Q: How many I/O modules can connect to one 1794-ACNR adapter?
A: The adapter supports up to 8 Flex I/O modules in any combination. - Q: What type of cable is required for ControlNet connection?
A: Use Belden RG-6/U coaxial cable for optimal performance. - Q: Does this adapter require an external power supply?
A: Yes, it requires 24V DC power from a SELV/PELV compliant source. - Q: How do I monitor the network status?
A: LED indicators show status for both ControlNet channels and I/O activity. - Q: Can I use this in high-vibration environments?
A: Yes, it withstands operating vibration of 5G @ 10-500Hz and shock of 30G.
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