ABB AI818 Input/Output Module

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1. Product Overview

The ABB AI818 is an industrial-grade Input/Output Module designed for signal acquisition and control output in ABB automation systems. The module supports both analog and digital signal processing, allowing flexible integration with PLC or DCS systems. It is widely used in industrial automation, data acquisition, and monitoring. The AI818 module features a compact design, high reliability, and strong interference immunity, suitable for long-term stable operation in industrial environments.

2. Technical Specifications

• Model: AI818

• Product Type: Input/Output Module

• Module Function: Analog/Digital input and output

• Input Channels: 4–8 analog inputs (voltage/current selectable)

• Output Channels: 4–8 analog outputs or digital outputs

• Sampling Time: ≤ 10 ms

• Resolution: 12–16 bit (depending on configuration)

• Operating Voltage: 24 V DC

• Communication Interface: ABB bus or module backplane connection to PLC

• Mounting: DIN rail or modular cabinet installation

• Degree of Protection: IP20

• Operating Temperature: -25 ℃ to +60 ℃

• Electrical Characteristics: Industrial-grade interference immunity

• Dimensions (Approx.): H 120 mm × W 30 mm × D 75 mm

Note: The number of channels and I/O type can be configured according to system requirements.

3. Advantages & Features

1. High Reliability
   Industrial-grade design ensures stable I/O signal transmission for continuous operation.

2. Flexible Configuration
   Supports multiple analog and digital input/output channels for diverse control requirements.

3. Fast Response
   Sampling time ≤ 10 ms, suitable for high-speed data acquisition and control.

4. Compact Installation
   DIN rail or modular installation saves space and facilitates cabinet layout.

5. Strong Interference Immunity
   Industrial-grade electrical design ensures data stability and reduces signal errors.

6. High System Compatibility
   Fully compatible with ABB PLC or DCS series controllers, easy to integrate and maintain.

4. Application Areas

The ABB AI818 input/output module is widely used in:

• Industrial automation control systems

• PLC/DCS control and data acquisition

• Production line equipment monitoring and control

• Process control systems

• Signal processing for sensors and actuators

• Smart factory and industrial IoT systems

5. Notes & Precautions

1. Disconnect system power before installation or removal to ensure safety.

2. Installation and wiring must be performed by qualified personnel.

3. Input/output load must comply with rated values to avoid damage.

4. Install in a clean, dry environment, free from dust, moisture, and strong electromagnetic interference.

5. Regularly inspect module operation and wiring reliability to ensure long-term stable performance.