ABB DAI02

Analog Input Module for Freelance 2000 / SD I/O Systems

Product Description

The DAI02 is an analog input module designed for ABB’s Freelance 2000 and SD-series I/O systems, serving critical roles in industrial process monitoring and control. It can interface with various analog sensor types and seamlessly integrates into ABB automation architectures.

Technical Specifications

• Model: DAI02 (also referred to as DAI 02 or DAI 02)

• Channels: 16 analog inputs, independently configurable

• Signal Types: 4–20 mA current or 1–+5 V voltage (hardware selectable)

• Resolution: 12–16 bit A/D converter (signed)

• Sampling: Updates all channels in ~100 ms

• Accuracy: ±0.1 % full-scale (FSR = 25 mA or 6.25 V DC)

• Isolation: Up to 1500 V group isolation; channel-to-channel isolation included

• Power Supply: 24 V DC ±10 %, draws ~100 mA ↔ 1–5 VDC

• Field I/O Power: 24 V DC ±10 %, up to 20 mA per channel

• HART Support: Single HART modem; up to 24 secondary variables, 4 per channel

• Diagnostics & Protection: Short‑circuit current limited to 96 mA; open-wire detection in < 5 s; noise rejection ≥90 dB

• Environmental Specs: –40 to +70 °C operational; supports 5–95 % non-condensing humidity

• Mounting: Standard horizontal rack or vertical column within SD-series I/O chassis