Description
Product Overview
The ABB DAO01 is a high-performance analog output module designed for the ABB Freelance 2000 distributed control system. It serves as a key interface for converting digital control signals from the controller into precise analog outputs, such as 4–20 mA or 0–10 V, to directly drive actuators like control valves, VFD speed references, and other process regulation devices.
This module is built for high reliability and signal integrity, featuring per-channel isolation to minimize cross-talk and ground loops. With multiple output channels in a compact rack-mount form factor, the ABB DAO01 is ideal for scalable I/O expansion in process plants, ensuring stable and accurate control across a wide range of industrial applications.
Parameter Values
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Product Model: ABB DAO01
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Brand: ABB
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Warranty: One Year
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Product Type: Analog Output Module (Freelance 2000 Series)
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Number of Channels: 16
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Output Signal Ranges: 0–10 V DC, 4–20 mA (selectable per channel)
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Output Load: Up to 750 Ω (current mode), suitable for 0–10 V at 10 mA
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Supply Voltage: 24 V DC (nominal, range 18–30 V DC)
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Output Current per Channel: Max. 250 mA @ 24 V DC
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Accuracy: ±0.5% to ±1%
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Resolution: 12-bit or higher (application dependent)
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Channel Isolation: Galvanic isolation per channel
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Response Time: 1–10 ms (application dependent)
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Operating Temperature: 0°C to +55°C
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Storage Temperature: -20°C to +85°C
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Protection Class: IP20 (front panel / DIN-rail mounting)
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Mounting: Rack I/O module for S800 I/O system
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Dimensions: Approx. 20.3 cm × 5.1 cm × 33.0 cm (H×W×D)
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Weight: Approx. 1.7 kg
Application Scenarios
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Process Control: Used in chemical, oil & gas, and power plants to control valve positions, damper actuators, and VFD speed references for temperature, pressure, and flow loops.
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Manufacturing Automation: Provides analog command signals for motor speed control, heating elements, and mixing processes on production lines.
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Building & Utilities: Enables precise control of HVAC actuators, boiler feedwater valves, and other environmental control systems.
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Test & Measurement Systems: Serves as a stable signal source for calibration rigs, test benches, and simulation platforms requiring multiple analog outputs.
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