Technical Datasheet | DSAO 110 (57120001-AT)
| Feature | Specification Detail |
| Model Number | 57120001-AT |
| ABB Type Designation | DSAO 110 |
| Product Category | Analog Output Module (I-O Module) |
| Channels | 4 Isolated Output Channels |
| Output Signal Ranges | 0 to +10 V (Voltage) / 0 to 20 mA (Current) |
| Accuracy | 0.05% of Full Scale |
| Resolution | 12-bit Digital-to-Analog Conversion |
| System Compatibility | Advant Master, MasterPiece 200, MasterPiece 200/1 |
| Dimensions (L x W x H) | 209.7 mm x 225 mm x 18 mm |
| Net Weight | 0.595 kg |
| Country of Origin | Sweden |
🚀 Industrial Performance Overview
The DSAO 110 is engineered for seamless integration into high-density industrial cabinets.
- Galvanic Isolation: Each of the 4 channels is independently isolated, protecting the system from common-mode voltages and ground loops that can degrade signal accuracy in large plants.
- Precision Control: With a 0.05% accuracy rating, this board provides the fine-grained modulation necessary for sensitive chemical dosing or precise turbine speed regulation.
- Maintenance & Lifecycle: While the DSAO 110 is a mature product, it is fully supported by the S100 I/O ecosystem. For system expansions, the DSAO 120A (paired with a DSTA 171 connection unit) is the modern revitalized replacement, though it requires a minor wiring reconnection.
- Rugged Construction: Built to Swedish manufacturing standards, the PCB features high-grade industrial components designed to operate 24/7 without drift or degradation over decades of service.

📰 2026 Industrial News: The Global Push for “Smart Retrofitting”
As of March 2026, the industrial automation world is focused on extending the life of proven “Blue Chip” hardware. At the All About Automation trade fair held in Friedrichshafen earlier this month (March 10–11, 2026), a record-breaking 534 exhibitors highlighted solutions for merging legacy DCS hardware with AI-driven analytics.
A major trend in the 2026 market is the use of “Edge Gateways” to pull diagnostic data from reliable modules like the ABB DSAO 110. Instead of replacing these robust analog cards, plant managers are adding software layers to monitor signal health and predict actuator failure before it occurs. Furthermore, with the electronics sector in Southeast Asia expanding rapidly—highlighted by the Intelligent Asia Thailand 2026 expo—there is a renewed global demand for high-quality PCB components that can bridge the gap between traditional mechanical engineering and the new “Factory of the Future” standards.
📦 Recommended Similar Product Models
For technicians maintaining Advant OCS or MasterPiece systems, the following related components and connection units are frequently required:
| Model Number | Product Category | Primary Application |
| ABB DSTA 160 | 57120001-AH | Connection Unit for DSAO 110 |
| ABB DSAI 130 | 57120001-P | 16-Ch High-Precision Analog Input |
| ABB DSAO 120 | 57120001-EY | 8-Ch Analog Output (S800 I/O) |
| ABB DSTA 121 | 57120001-E/2 | Analog Input Board for MP200/1 |
| ABB DSAI 110 | 57120001-DP | 32-Ch Single-Ended Analog Input |
