Description
I. Basic Information
Model: DSAO120A
Part Number: 3BSE018293R1
Type: 8-Channel Analog Output Module
Applicable Systems: ABB S800 I/O / AC 800M / 800xA DCS
Original Description: DS Analog Output Board
II. Key Specifications
Output Signals:
Current: 0–20 mA / 4–20 mA (Configurable via software)
Some versions support 0–10 V voltage output
Resolution: 16 bits
Accuracy: ±0.1% FS @ 25°C
Load Capacity: Max. 750 Ω @ 24 VDC
Channel Isolation: 500 Vrms (Between channels, channel to backplane)
HART Compatibility: Supports HART 5/6/7 (Superimposed on 4–20 mA signal)
Power Supply: 24 VDC (Backplane or field power supply)
Power Consumption: Approx. 2.5 W
Operating Temperature: -20°C … +70°C
Dimensions: 324 × 27 × 234 mm; Weight: Approx. 0.37 kg
III. Applications
Converts digital signals from DCS/PLC into 4–20 mA / 0–10 V analog signals.
Controlled devices: Control valves, variable frequency drives, actuators and smart valve positioners.
Industries: Process control including power, chemical, metallurgy, water treatment and more.
IV. Common Misconceptions
✅ Standard English Product Name:
ABB DSAO120A 3BSE018293R1 8-Channel Analog Output Module






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