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ABB CI801-EA

The ABB CI801-eA (3BSE022366R2) is a Fieldbus Communication Interface (FCI) module designed for ABB's S800-eA distributed I/O system.

It provides a communication link between S800-eA I/O modules and higher-level automation controllers through the PROFIBUS DP-V1 fieldbus. The module manages I/O data exchange, module configuration, diagnostic information and communication functions.

The CI801-eA is used in industrial process automation applications where reliable communication between distributed I/O stations and control systems is essential.

Model identification: CI801-eA is associated with order number 3BSE022366R2, whereas the standard CI801 carries order number 3BSE022366R1. These should not be treated as identical ordering codes.

Core Functions

• PROFIBUS DP-V1 Communication: Connects S800-eA distributed I/O stations to PROFIBUS-compatible controllers.

• I/O Data Exchange: Transfers process signals and control information between field-level modules and the controller.

• ModuleBus Supervision: Monitors connected I/O modules and collects diagnostic information.

• HART Pass-Through: Supports HART communication through compatible analog I/O modules.

• Hot Configuration In Run: Allows supported I/O configuration changes while the system remains operational.

• Output State Processing: Provides Output State Preset (OSP) handling for output management during communication interruptions.

• Power Distribution: Provides isolated power supply functions for connected I/O modules.

Technical Parameters

Product Features

1. Reliable Fieldbus Communication: Uses PROFIBUS DP-V1 technology for communication between distributed I/O stations and automation controllers.

2. Modular System Integration: Designed for ABB S800-eA I/O configurations, supporting flexible industrial control architectures.

3. Advanced Diagnostic Functions: Collects supervision information from connected I/O modules to assist with system monitoring and fault identification.

4. HART Communication Support: Enables communication with compatible HART field instruments through supported analog modules.

5. Online Configuration: Hot Configuration In Run helps engineers modify supported I/O configurations without shutting down the entire control system.

6. Integrated Power Protection: Includes fused input power and isolated power distribution functions.

7. Compact Installation: Its compact design supports installation in industrial control cabinets and distributed I/O arrangements.

Structural Composition

The ABB CI801-eA consists of several functional sections:

• PROFIBUS Communication Interface: Handles fieldbus communication with the automation controller.

• Processing Unit: Manages communication data, configuration and diagnostic operations.

• ModuleBus Interface: Connects the communication interface to the S800-eA I/O modules.

• Power Supply Circuit: Provides isolated power distribution for connected modules.

• Protection Circuit: Provides input power protection.

• Connection Components: Includes the power supply connector and TB807 ModuleBus terminator.

The standard supplied package includes one power supply connector and one TB807 ModuleBus terminator.

Application Fields

• Distributed Control Systems (DCS)

• ABB System 800xA automation systems

• ABB S800-eA distributed I/O systems

• Power generation and electrical control

• Oil and gas processing facilities

• Chemical and petrochemical industries

• Industrial manufacturing

• Process monitoring and control

• Water treatment and infrastructure automation

Maintenance Considerations

• Check the 24 V DC power supply before installation.

• Verify PROFIBUS network addressing and communication settings.

• Inspect communication connectors and ModuleBus connections.

• Confirm compatibility with the installed S800-eA I/O modules.

• Monitor diagnostic indicators for communication faults.

• Check the TB807 ModuleBus terminator installation.

• Ensure that operating temperature and humidity remain within specified limits.

Conclusion

The ABB CI801-eA 3BSE022366R2 is an important communication component in ABB's S800-eA distributed I/O architecture. Its PROFIBUS DP-V1 connectivity, HART pass-through, diagnostic supervision and online configuration capabilities make it suitable for demanding industrial automation environments.