ABB AI04 input module

ABB AI04 is a high-performance analog input module in the ABB Ability™ Symphony Plus series, designed primarily for precise signal acquisition in industrial automation systems.

Core Features

Number of Channels: Provides 4–16 analog input channels, selectable based on application needs.

Supported Signal Types: Compatible with various sensor signals such as 0–10 V, 4–20 mA, RTD, thermocouples (TC), and millivolt (mV) inputs.

Resolution & Accuracy: 16-bit A/D conversion with a measurement accuracy of ±0.1% FS.

Conversion Time: Approximately 3.5 ms per channel; full update cycle around 180 ms for 16 channels.

Communication Interfaces: Supports multiple industrial fieldbuses, including Modbus RTU, Profibus DP, and EtherCAT, enabling easy integration with PLC, DCS, and other upper-level control systems.

Protection Rating: IP20, suitable for standard industrial environments.

Operating Temperature Range: -20 °C to +60 °C.

Dimensions & Power Consumption: About 35 × 100 × 23 mm with power consumption around 2 W; suitable for DIN-rail mounting.

Typical Applications

Monitoring pressure, temperature, and flow in process industries such as chemical, oil, and gas.

Voltage/current signal acquisition in power systems (power plants, substations).

Sensor signal processing in manufacturing (automotive, machining).

High-precision measurement in water treatment and building automation (HVAC).

Advantages

High accuracy and resolution ensure reliable measurement data.

Multi-channel and programmable configuration enhance system flexibility.

Supports automatic calibration and cold-junction compensation, simplifying field commissioning.

Deep integration with the ABB Symphony Plus platform enables unified management and diagnostics.

In summary, ABB AI04 is well-suited as a core I/O component for industrial control systems requiring multi-channel, high-precision analog signal acquisition.