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ABB CI855
ABB CI855
ABB CI855
ABB CI855
ABB CI855

ABB CI855

  • High Precision: The 16-bit resolution and ±0.05% accuracy enable reliable measurement of critical process variables.
  • Flexible Configuration: Supports a wide range of signal types, reducing the need for external signal conditioning.
  • Channel Isolation: Each channel is galvanically isolated to prevent noise interference, ensuring stable operation in noisy environments.
  • Diagnostic Capabilities: Built-in self-test and error detection features simplify troubleshooting and maintenance.
  • Energy Efficiency: Low power consumption contributes to reduced operational costs.
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Part number: ABB CI855
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Description

ABB CI855 Product Documentation

 

1. Product Overview
The ABB CI855 is a high-performance analog input module designed for industrial automation systems, specifically optimized for integration with ABB’s AC800M PLC platform. This module plays a critical role in converting analog signals from sensors and transducers into digital data for process control and monitoring. With support for multiple signal types (voltage, current, thermocouples, and resistors), the CI855 ensures precise data acquisition in challenging industrial environments. Its robust design and advanced features make it a reliable choice for applications requiring accuracy and flexibility.

 

2. Key Technical Parameters

 

Parameter Specification
Input Channels 8 channels (isolated)
Signal Types Voltage (±10 V), current (4–20 mA), thermocouples (J, K, T, E, R, S, B, N), RTD (Pt100, Pt200, Pt500, Pt1000)
Resolution 16-bit
Accuracy ±0.05% of full scale
Sampling Rate 250 ms per channel
Power Supply 24 V DC
Dimensions 117 x 50 x 160 mm
Compatibility ABB AC800M system
ABB CI855

ABB CI855

 

3. Advantages and Features
  • High Precision: The 16-bit resolution and ±0.05% accuracy enable reliable measurement of critical process variables.
  • Flexible Configuration: Supports a wide range of signal types, reducing the need for external signal conditioning.
  • Channel Isolation: Each channel is galvanically isolated to prevent noise interference, ensuring stable operation in noisy environments.
  • Diagnostic Capabilities: Built-in self-test and error detection features simplify troubleshooting and maintenance.
  • Energy Efficiency: Low power consumption contributes to reduced operational costs.
4. Application Areas and Use Cases
The CI855 is widely used in industries such as:
  • Manufacturing: Monitoring temperature, pressure, and flow in production lines.
  • Energy: Tracking variables in power plants and renewable energy installations.
  • Chemical Processing: Controlling reactions and ensuring safety in hazardous environments.
  • Water Treatment: Optimizing pump and valve operations based on sensor inputs.
Example Application:
A chemical plant uses the CI855 to monitor temperature and pressure in reactors. The module’s high accuracy and channel isolation prevent signal corruption, enabling precise control and minimizing downtime.
5. Competitive Edge
Compared to standard analog input modules, the CI855 offers:
  • Enhanced Signal Handling: Simultaneous support for thermocouples and RTDs without additional hardware.
  • Faster Integration: Plug-and-play compatibility with ABB’s AC800M system reduces setup time.
  • Long-Term Reliability: Rugged construction and extended temperature range (-40°C to +70°C) ensure durability in harsh conditions.
    ABB CI855

    ABB CI855

6. Selection Guidelines
When choosing the CI855, consider:
  • Compatibility: Ensure it aligns with your existing ABB PLC system.
  • Signal Requirements: Verify support for your specific sensor types.
  • Environmental Factors: Evaluate temperature, humidity, and vibration levels in your installation.
  • Cost-Effectiveness: Balance performance needs with budget constraints.
7. Important Considerations
  • Installation: Follow ABB’s wiring guidelines to avoid short circuits and ensure proper grounding.
  • EMI/RFI Protection: Use shielded cables and proper cable routing to minimize interference.
  • Calibration: Regularly calibrate the module to maintain accuracy.
  • Firmware Updates: Keep the module’s firmware up-to-date for optimal performance.

 

声明
Shanxi Xinye Da International Trade Co., Ltd. is your trusted partner for ABB CI855 and other automation spare parts. We provide sales and technical support to meet your industrial needs. Visit our website at www.xydcontrol.com or contact us for assistance.
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