ABB DSAI 135 Analog Input Board

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Product Overview

The ABB DSAI 135 is a high-performance analog input module designed for industrial automation and process control systems. It collects analog signals from sensors, transmitters, and field devices (such as current, voltage, thermocouples, and RTD signals) and converts them into digital signals for controller processing. The DSAI 135 provides high accuracy, reliability, and fast response, making it a key input module in DCS, PLC, and SCADA systems.

Detailed Specifications

• Model / Part Number: DSAI 135

• Type: Analog Input Board

• Input Types: 4~20 mA, 0~10 V, Thermocouples, or RTD (optional)

• Number of Channels: 12 independent input channels

• Resolution: 16-bit

• Sampling Rate: Typical 5~10 ms/channel

• Input Impedance: ≥ 250 Ω (current input)

• Operating Voltage: 24 VDC

• Response Time: ≤ 10 ms

• Operating Temperature: 0°C ~ +55°C

• Storage Temperature: –20°C ~ +70°C

• Protection Class: IP20

• Mounting: DIN-rail or modular control cabinet installation

• Standards Compliance: IEC 61131, CE, UL industrial standards

Key Advantages & Features

• High-precision acquisition: 16-bit resolution ensures accurate measurements

• High reliability: Suitable for industrial environments with strong interference resistance

• Multi-function compatibility: Supports multiple analog signal types

• Fast response: Low-latency acquisition for real-time control applications

• Modular design: DIN-rail mounting allows easy maintenance and system expansion

• Seamless integration with ABB controllers: Compatible with PLC, DCS, and SCADA systems

Applications

• Industrial automation process control

• Analog signal acquisition in DCS/SCADA systems

• Power system monitoring and protection

• Factory production line equipment and process monitoring

• Process control in petrochemical, metallurgical, pharmaceutical, and water treatment industries

• Multi-sensor data acquisition and control systems

Precautions

1. Ensure input signal type is compatible with the module before installation.

2. Power off before installation or maintenance to prevent module damage or electrical hazards.

3. Avoid high humidity, temperature, and corrosive environments to extend module life.

4. Regularly check the module and wiring to ensure reliable signal acquisition.

5. Do not exceed rated input range to prevent module damage.

6. Installation, commissioning, and maintenance should be performed by qualified automation or electrical personnel.

The structure and details of the product：

 

 

 

 

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