ABB CRBX01 2VAA008424R1 Remote Bus Extender

Technical Specifications

• Model: CRBX01 2VAA008424R1
• Communication Protocol: HN800 IO bus
• Transmission Medium: Fiber-optic cable (62.5/125 µm multimode)
• Maximum Transmission Distance: 3 km per remote link
• Maximum Devices per Link: 60 HN800 devices
• Data Transfer Rate: 4 Mbps
• Topology: Star (point-to-point)
• Redundancy Support: Yes (compatible with redundant configurations)
• Mounting: Horizontal installation
• Dimensions: 20 cm (length) × 20 cm (width) × 6 cm (height)
• Weight: Approximately 0.5 kg
• Protection Class: IP65
• Operating Temperature: -40 °C to +70 °C
• Storage Temperature: -40 °C to +85 °C
• Relative Humidity: 5% to 95% (non-condensing)

Functional Characteristics

• Transparent Bus Extension: The CRBX01 extends the HN800 IO bus without altering data integrity or protocol timing, ensuring seamless communication between local and remote devices.
• High Device Capacity: Supports up to 60 HN800 devices per remote link, enabling scalable expansion of I/O points in large-scale automation systems.
• Long-Distance Transmission: Facilitates reliable data transfer over distances up to 3 km, making it suitable for geographically dispersed industrial installations.
• Redundancy Support: Enhances system reliability by enabling redundant configurations, ensuring uninterrupted operation in critical applications.
• Plug-and-Play Operation: Requires no configuration, simplifying installation and reducing setup time.
• Robust Design: Built to withstand harsh industrial environments, with high resistance to vibration, temperature fluctuations, and electromagnetic interference.
• Compact and Modular: Its compact size and modular design facilitate easy maintenance and replacement, minimizing downtime.

Application Scenarios

• Power Generation and Distribution: Used in power plants (thermal, hydro, nuclear, renewable) and substations for remote monitoring and control of generators, transformers, and switchgear.
• Oil and Gas: Supports SCADA systems in upstream (drilling), midstream (pipeline transport), and downstream (refining) operations, enabling real-time data acquisition from remote sensors and actuators.
• Chemical and Petrochemical: Integrates multiple sensors and control devices in process automation systems, enhancing control precision and operational safety.
• Water Treatment and Environmental Protection: Monitors water quality and pump station operations in wastewater treatment plants, while optimizing pressure regulation and flow monitoring in water supply networks.
• Pulp and Paper: Controls and monitors pulp transport, drying, and packaging processes, improving production efficiency and energy management.
• Metallurgy and Mining: Automates smelting equipment and ore conveyor systems, enhancing operational reliability and safety.
• Cement and Building Materials: Optimizes rotary kiln control and energy utilization in cement production, improving product quality and reducing costs.
• Marine and Offshore: Facilitates remote control of shipboard equipment, such as propulsion systems, side thrusters, and HVAC systems, ensuring efficient and safe operation.