The CI840A is a high-performance communication interface module developed by ABB, primarily designed to enable seamless communication between ABB's AC 800M controllers and various fieldbus networks. It serves as a critical bridge in industrial automation systems, facilitating data exchange between the control layer and field devices. Here is its detailed information:
- Model: CI840A
- Brand: ABB
- Product Number: 3BSE022496R1
- Module Type: Communication interface module
- Compatible Systems: ABB AC 800M controller series, Freelance distributed control systems
- Fieldbus Support: Profibus DP (as a master or slave device)
- Communication Protocol: Profibus DP V1 (compliant with EN 50170 standard)
- Data Transfer Rate: Configurable from 9.6 kbps to 12 Mbps
- Number of Nodes: Up to 126 slave devices (when operating as a Profibus DP master)
- Electrical Isolation: 2500 V AC between the fieldbus interface and the controller backplane
- Connection Interface: Sub-D 9-pin female connector (shielded) for Profibus DP
- Power Supply: Derived from the controller backplane (no external power required)
- Operating Temperature Range: -25°C to +60°C
- Storage Temperature Range: -40°C to +85°C
- Relative Humidity: 5% to 95% (non-condensing)
- Dimensions: 100 mm × 160 mm × 30 mm (L × W × H)
- Weight: Approximately 0.2 kg
- Protection Rating: IP20 (suitable for cabinet mounting)
- Dual Role Capability: Functions as both a Profibus DP master (to control and manage field devices) and a slave (to communicate with higher-level masters), offering flexible integration in complex networks.
- High-Speed Data Exchange: Supports maximum data transfer rates of 12 Mbps, ensuring real-time communication for time-critical industrial applications (e.g., motion control, process regulation).
- Enhanced Diagnostics: Equipped with comprehensive diagnostic features, including bus status monitoring, error logging, and fault indication via LED lights (power, bus activity, and error status), enabling quick troubleshooting.
- Robust Industrial Design: Industrial-grade components and electrical isolation (2500 V AC) provide strong resistance to electromagnetic interference (EMI) and voltage spikes, ensuring reliable operation in harsh industrial environments.
- Hot-Swappable: Supports hot swapping, allowing module replacement or maintenance without powering down the entire system, minimizing downtime and improving operational efficiency.
- Easy Configuration: Configurable via ABB's Control Builder M software, with user-friendly tools to set communication parameters, node addresses, and data mapping, simplifying system setup.
- Industrial Automation: Integrates with AC 800M controllers in manufacturing lines to connect Profibus DP-compatible devices (e.g., sensors, actuators, frequency converters), enabling centralized control and monitoring.
- Process Control: Used in chemical, petroleum, and pharmaceutical plants to link DCS systems with field instruments (e.g., flow meters, pressure transmitters) via Profibus DP, facilitating real-time process data acquisition.
- Power Generation: Applied in power plants to connect turbine controllers, switchgear, and monitoring devices, ensuring reliable communication between control systems and critical power equipment.
- Metallurgy and Mining: Enables data exchange between automation systems and heavy machinery (e.g., conveyors, crushers) in harsh mining environments, supporting efficient production scheduling.
- Building Automation: Integrates with building management systems to connect HVAC controllers, lighting systems, and security devices via Profibus DP, enhancing energy management and operational control.
