ABB CI840A 3BSE041882R1 PROFIBUS DP-V1 Interface

The CI840A 3BSE041882R1 is a core communication module in ABB S800 I/O system, enabling efficient data interaction via PROFIBUS-DPV1. It supports redundant design, hot-swappable functionality, and HART pass-through, with industrial-grade environmental adaptability and multiple safety certifications. Its compact structure and flexible configuration make it an ideal solution for connecting fieldbus and controllers in process control, marine automation, and hazardous location applications, ensuring stable system operation and convenient maintenance.

Data Sheet

CI840A.pdf

Core Functions

Communication Capability

• Adopts PROFIBUS DP-V1 protocol for efficient data interaction with controllers.
• Connects to redundant I/O terminal units TU846 or non-redundant TU847.

Monitoring & Management

• Monitors the status of I/O ModuleBus in real time to ensure system stability.
• Supports Operator Station (OSP) processing and configuration for adaptable operation scenarios.

Power Supply & Protection

• Provides isolated power to I/O modules for enhanced safety.
• Input power is fused to prevent module damage from overcurrent faults.

Flexible Configuration

• Enables Hot Configuration In Run (HCIR) to adjust system parameters without shutdown.
• Supports HART protocol pass-through for intelligent device communication.

Functional Positioning

Technical Parameters

Communication Characteristics

• Operation Mode: Slave.
• Redundancy: Line redundancy supported; module redundancy supported.
• Interface: PROFIBUS DP-V1, compatible with HI controllers.
• Power Consumption: 24V DC, typical 190mA.
• Hot Swap: Supported for on-line maintenance and replacement.

Environmental Adaptability

• Operating Temperature: 0°C~+55°C (some certifications apply to +5°C~+55°C).
• Storage Temperature: -40°C~+70°C.
• Pollution Degree: Class 2 (IEC 60664-1).
• Corrosion Protection: Complies with ISA-S71.04 G3 for moderate corrosive environments.
• Humidity: 5%~95% (non-condensing).
• Installation Temperature Limit: Up to 40°C for vertical mounting; up to 55°C for standard mounting.
• Protection Class: IP20 (protection against solid objects).

Physical Specifications

Dimensions

Width: 54 mm (2.13 in.)

Height: 119 mm (4.69 in.)

Depth: 96 mm (3.78 in.)

Weight: 0.2 kg (0.44 lbs.), featuring a compact design to save installation space.

Mounting Method: Supports standard DIN rail mounting, suitable for dense deployment in control cabinets.

Application Scenarios

Industrial Automation: Suitable for high-reliability process control scenarios in petroleum, chemical, and power industries.

Redundant Systems: Applied to critical processes with high availability requirements, such as continuous production equipment.

Marine and Offshore Engineering: With marine classification society certifications, applicable to ship automation systems.

Hazardous Environments: Compliant with Class 1 Div 2 and Zone 2 certifications, suitable for flammable and explosive sites.

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