ABB IMDSI22 digital signal input module

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1. Product Overview

The ABB IMDSI22 Digital Signal Input Module is a digital input module in the ABB Infi 90 / Symphony DCS.
It collects field digital signals and transmits them to the controller for process monitoring and automated control.
IMDSI22 can acquire switch signals, dry contacts, or 24 VDC signals, offering high reliability and fast response, widely used in industrial automation systems for device status monitoring and digital signal acquisition.

2. Technical Specifications

3. Advantages & Features

• High-reliability digital input: Supports switch and dry contact signals for accurate data.

• Multi-channel design: 16 input channels for simultaneous monitoring of multiple devices.

• Fast response: ≤ 5 ms response time for real-time monitoring.

• Signal isolation: Opto-isolation enhances interference immunity.

• Modular, hot-swappable design: Easy maintenance and replacement.

• Strong compatibility: Seamlessly integrates with ABB Infi 90 controllers and other I/O modules.

4. Application Fields

• Digital input expansion in ABB Infi 90 / Symphony DCS systems

• Device status monitoring in industrial automation systems

• SCADA systems and distributed control stations

• Process control in power, petrochemical, metallurgy, mining, paper, cement industries

• Integration with controllers and output modules for automated operation

5. Precautions

1. Disconnect system power before installing or replacing the module.

2. Ensure input signal voltage and type match module specifications.

3. Avoid prolonged operation in high temperature, humidity, or corrosive environments.

4. Regularly check module LEDs and input signal acquisition.

5. Do not insert or remove the module while powered.

The structure and details of the product：

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