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POINT I/O | Allen-Bradley | 1734-ACNR /A Point I/O ControlNet Network Adapter
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Product Description: Allen-Bradley 1734-ACNR
The Allen-Bradley 1734-ACNR is a ControlNet communication adapter used within the POINT I/O system. It allows POINT I/O modules to communicate over a ControlNet network, supporting both scheduled and unscheduled messaging in real-time control applications. This adapter is ideal for integrating distributed I/O into ControlNet-based systems, offering high-speed deterministic communication for mission-critical industrial automation.
Key Features
- Provides network connectivity to ControlNet for up to 63 POINT I/O modules
- Supports both scheduled (deterministic) and unscheduled data transfer
- Dual BNC connectors for redundant ControlNet media configurations
- Status indicators for network, module, and communication diagnostics
- BOOTP/DHCP support for simplified IP configuration
- DIN rail mountable and hot-swappable within the I/O system
- Compatible with ControlLogix, CompactLogix, and other ControlNet controllers
Technical Specifications
- Communication Protocol: ControlNet
- Network Ports: 2 BNC connectors (Channel A and Channel B for media redundancy)
- Max Connected I/O Modules: 63
- Backplane Current Draw: 400 mA at 5V DC
- Power Supply: 24V DC nominal (range: 19.2–28.8V DC)
- Isolation Voltage: 50V continuous (network to system)
- Operating Temperature: 0°C to 55°C
- Dimensions (HxWxD): approx. 75 x 25 x 55 mm
- Mounting: DIN rail
Application Areas
- Distributed I/O in ControlNet-based systems
- High- speed deterministic control in packaging, motion, and process automation
- OEM equipment requiring reliable networked control
- Real-time I/O in continuous manufacturing and utilities
- Integration into legacy ControlNet infrastructures
Advantages
- Enables POINT I/O to operate on established ControlNet networks
- Dual-port redundancy enhances network reliability
- Ideal for control systems demanding real-time, scheduled I/O performance
- Seamless integration with Rockwell Automation platforms
- Compact and modular for easy deployment in distributed applications