ABB CI845 3BSE075853R1 Communication Interface Module

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1. Product Overview

The ABB CI845 3BSE075853R1 is a Communication Interface Module designed for ABB distributed control systems (DS series), enabling efficient data communication between the central processing unit and I/O modules, control modules, or other peripheral devices. The module supports high-speed data transmission, reliable signal processing, and modular expansion, making it a key communication component in industrial automation systems.

2. Technical Specifications

Electrical

• Model: CI845

• Supply voltage: 24 V DC

• Power consumption: ≤ 5 W

• Communication interface: Industrial bus interface

• Supported protocol: Compatible with ABB DS series communication protocol

• Data transmission rate: Up to 12 Mbps

• Interface type: Optically isolated bus interface

• Maximum connected modules: Supports multiple modules in parallel

• Response time: ≤ 5 ms

Physical & Environmental

• Dimensions: Compact module design

• Mounting: DIN rail

• Operating temperature: –20°C ~ +60°C

• Storage temperature: –40°C ~ +85°C

• Protection class: IP20

• Material: Flame-retardant engineering plastic

• Weight: ~0.5 kg

3. Advantages & Features

• High-speed communication: Supports up to 12 Mbps data transmission; optical isolation provides strong anti-interference capability

• High reliability: Industrial-grade design, temperature and vibration resistant; stable communication in complex industrial environments

• Modular design: Compact structure, supports quick installation and maintenance; seamless integration with ABB DS series modules

• Strong expandability: Supports multi-module parallel operation; flexible combination with central processing units and I/O modules

4. Applications

• ABB DS series distributed control systems

• Industrial automation production line control

• PLC and DCS system integration

• Smart factories and remote monitoring systems

• Power, energy, chemical, pharmaceutical, and food processing industries

• System data communication, module control, and device monitoring

5. Precautions

1. Power off before installation to prevent electric shock or module damage.

2. Supply voltage must be 24 V DC; avoid overvoltage or reverse connection.

3. Avoid long-term use in high humidity, corrosive, or high vibration environments.

4. Regularly check bus connections and module status to ensure stable communication.

5. Prevent electrostatic discharge (ESD) from damaging module components.

6. Ensure adequate ventilation around the module to prevent overheating.

The structure and details of the product：

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