ABB AI635 analog input module

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1. Product Overview

The ABB AI635 is a high-performance analog input module for ABB Distributed Control Systems (DCS), designed to acquire and process field analog signals such as 4–20 mA or 0–10 V.
It features high accuracy, fast sampling, and strong interference resistance, reliably transmitting sensor signals to the control system for precise industrial process monitoring and control.

2. Main Technical Specifications

3. Advantages and Features

1. High-Precision Acquisition
   16-bit resolution and ±0.1% accuracy ensure precise measurement of field analog signals.

2. Multi-Channel Support
   Simultaneously acquires multiple analog signals for enhanced system monitoring.

3. High-Speed Sampling
   Ensures real-time response of the control system to process signals.

4. Strong Interference Resistance
   Complies with industrial EMC standards, suitable for harsh field environments.

5. Modular Design
   Facilitates expansion, maintenance, and system upgrades, fully compatible with ABB DCS architecture.

4. Typical Applications

• Industrial process automation control systems

• Power and energy monitoring systems

• Continuous industrial processes such as chemical, metallurgical, and petrochemical industries

• Signal acquisition inside distribution and control cabinets

• Sensor data acquisition and production line monitoring

Used for field analog signal acquisition, data transmission, and real-time control system monitoring.

5. Installation and Usage Notes

1. Verify the input signal type (current or voltage) matches the module before installation.

2. Disconnect power before wiring to prevent module or system damage.

3. Install in a dry, well-ventilated DCS rack to avoid dust and moisture.

4. Periodically check module status and communication function to ensure system reliability.

5. Maintenance and commissioning should be performed by qualified automation engineers.

The structure and details of the product：

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