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ABB DAI01 P37131-4-0369 628 Analog Input Module 

1. Key Parameters

• Product Model: DAI01 (Order Code: P37131-4-0369 628)
• Product Series: ABB Industrial Analog Input Modules (Process Signal Acquisition)
• Core Function: Multi-channel analog signal collection; signal amplification/filtering; digital conversion; fault detection; ABB control system integration.

2. Core Features

• High-Precision Acquisition: ±0.1% FS accuracy ensures reliable capture of subtle process changes (e.g., small pressure fluctuations in chemical reactors).
• Flexible Channel Configuration: Supports single-ended/differential input switching, adapting to different sensor wiring requirements (long-distance vs. noise-sensitive scenarios).
• ABB System Compatibility: Seamlessly integrates with ABB AC 800M DCS and PLCs via backplane communication, no additional adapters needed.
• Built-In Fault Diagnostics: Detects open circuits, overrange signals, and module errors, sending alerts to the controller to simplify troubleshooting.

3. Application Fields

• Process Industry: Collects temperature/pressure signals from transmitters in chemical, petrochemical, and pharmaceutical production lines for process control.
• Power Generation: Acquires flow (steam/water) and pressure signals in thermal/hydropower plants to monitor turbine and boiler operation.
• Manufacturing: Captures motor current (via 4-20mA transmitters) and equipment temperature signals in automotive, electronics, and packaging factories.
• Water Treatment: Monitors pH value, turbidity, and flow rate signals in water treatment plants to ensure compliance with discharge standards.

4. Precautions

• Compatibility: Use exclusively with ABB AC 800M DCS or compatible PLC systems; non-ABB controllers may cause communication failures.
• Installation: Follow ESD protection (anti-static wristband); ensure correct backplane connection—loose contacts lead to signal loss.
• Calibration: Verify accuracy annually with a standard signal generator; avoid calibrating in noisy electrical environments (e.g., near large motors).
• Spare Parts: Use genuine ABB DAI01 (P37131-4-0369 628) units—non-genuine modules may have unstable conversion, causing process control errors.

The structure and details of the product：

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