ABB DAO02

16-Channel Analog Output Module for ABB Freelance / SD-Series I/O

Product Description

The DAO02 is a versatile analog output module designed for ABB’s Freelance and SD-series distributed control systems. It supports up to 16 independently configurable analog channels, providing precise 4–20 mA or 1–5 VDC outputs. With built-in HART support and robust diagnostics, the DAO02 ensures accurate and reliable signal control in industrial automation applications.

Technical Specifications

• Model: DAO02

• Channels: 16 analog outputs, individually configurable

• Output Ranges: 4–20 mA (load up to 750 Ω) or 1–5 VDC (load 22 kΩ–1 MΩ)

• Resolution: 12-bit per channel (each has its own converter)

• Power Requirements: 24 V DC ±10%, 100 mA typical (125 mA max)

• HART Modem: 1 per module, supporting up to 20 total secondary variables

• Isolation Voltage: 1500 V for field-to-logic and channel groups (<1 min)

• Accuracy: ±0.1% FSR, typical full-scale ranges

• Output Detection: Open-circuit detection in under 5 seconds; current limited to 26 mA in current mode

• Installation: Standard horizontal row or vertical column mounting in SD-series I/O cabinets

• Environmental Ratings: Suitable for industrial environments with standard DCS-grade protection

• Lifecycle Status: Active, with MTBF approx. 95,637 hours and MTTR around 1 hour