ABB DSAO120A 3BSE018293R1 Single Channel Analog Output Module

ABB DSAO120A 3BSE018293R1 Single Channel Analog Output Module

### 1. Core Functions This multi-channel analog output module converts digital signals into standard industrial analog signals. It drives control valves, variable frequency drives, field actuators, smart instruments and other equipment to realize process loop regulation and remote control. ### 2. Electrical & Channel Parameters – Number of Channels: 8 independent analog output channels – Output Signal Type: Configurable – Current: 4–20 mA / 0–20 mA – Voltage: 0–10 V – Resolution: 12-bit – Accuracy: Typical ±0.1% FS (Full Scale) – Load Capacity – Current Output: Max. 500 Ω – Voltage Output: Min. 10 kΩ – Electrical Isolation: 500 VAC isolation between channel group and backplane; no isolation between individual channels – Power Supply: Powered by rack backplane – Power Consumption: Typical 3.8 W ### 3. Hardware & Physical Parameters – Form Factor: Standard S100 series module, card cage mounting – Weight: Approx. 0.36 kg – Protection Class: IP20 (For cabinet installation only) ### 4. Environmental Parameters – Operating Temperature: -20 ℃ ~ +70 ℃ – Storage Temperature: -40 ℃ ~ +85 ℃ – Relative Humidity: 5% ~ 95%, non-condensing

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

Number of Channels: 8 isolated independent outputs (Not single-channel)

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

❌ Not a single-channel module: DSAO120A is an 8-channel analog output module.

✅ Standard English Product Name:

ABB DSAO120A 3BSE018293R1 8-Channel Analog Output Module

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