Description
Product Overview
The ABB DSAO110 57120001-AT/1 is a high-reliability analog output module designed for ABB’s AC 800M distributed control system (DCS), serving as a critical interface for converting digital control signals into analog outputs to drive field devices such as valves, actuators, and variable frequency drives (VFDs). As part of the S800 I/O Series, the DSAO110 57120001-AT/1 features 4 isolated analog output channels, each supporting standard industrial signal types (4–20 mA, 0–10 V) with advanced signal conditioning and diagnostic capabilities. Engineered for harsh industrial environments in manufacturing, power generation, and process industries, this module ensures precise control and signal integrity, even in high-noise or vibration-prone applications.
The 57120001-AT/1 variant includes enhanced surge protection (2 kV isolation) and hot-swappable functionality, allowing maintenance without system shutdown—a critical feature for 24/7 operations like oil refineries or pharmaceutical production lines. With its seamless integration into ABB’s 800xA software platform, the module enables real-time configuration, diagnostics, and remote monitoring, reducing commissioning time by up to 30%. Positioned as a scalable and durable solution, the DSAO110 57120001-AT/1 optimizes closed-loop control performance while minimizing hardware complexity, making it an essential component for reliable industrial automation systems.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DSAO110 57120001-AT/1 |
| Manufacturer | ABB |
| Product Type | Analog Output Module (DCS I/O) |
| Output Channels | 4 isolated channels |
| Signal Types | 4–20 mA, 0–20 mA, 0–5 V, 0–10 V (software-configurable) |
| Isolation | 500 V rms (channel-to-earth), 2 kV surge protection |
| Resolution | 12-bit DAC |
| Update Rate | <100 ms (per channel) |
| Power Supply | 24 V DC (via backplane, 50 mA typical) |
| Operating Temperature | -25°C to +60°C |
| Dimensions (W×H×D) | 36 mm × 100 mm × 110 mm |
| Mounting Method | DIN rail (AC 800M S800 I/O rack) |
| Certification | CE, UL, IEC 61131-2, RoHS |
| Diagnostic Features | Channel fault detection, output overload warning |
DSAO120A 3BSE018293R1
Main Features and Advantages
Precise Signal Conditioning and Isolation
The DSAO110 57120001-AT/1 ensures accurate signal transmission with software-configurable scaling and anti-aliasing filters, allowing fine-tuning for specific field devices. For example, in a water treatment plant, the module can precisely control analog control valves for chemical dosing by delivering 4–20 mA signals with ±0.1% accuracy, ensuring optimal chemical ratios and compliance with environmental standards. The 2 kV surge protection safeguards against transient voltage spikes from motors or lightning strikes, a critical advantage in outdoor installations like oil pipelines or wind farms.
Hot-Swappable Design and Redundancy Support
The module’s hot-swappable capability enables technicians to replace faulty units in live systems without disrupting control loops, essential for maintaining production continuity in automotive assembly lines or food processing plants. While the DSAO110 itself does not support hardware redundancy, it integrates seamlessly with ABB’s redundant I/O backplane systems, providing failover support in mission-critical applications. The front-panel LED indicators (green for normal, red for fault) offer instant status feedback, reducing mean time to repair (MTTR) by 50%.
Seamless System Integration
Compatible with ABB’s Control Builder M software, the DSAO110 57120001-AT/1 simplifies configuration through drag-and-drop functionality, allowing engineers to assign signal types, set alarm thresholds, and enable diagnostic reporting without complex programming. In a chemical plant, this feature streamlines the integration of the module with existing PLCs and HMIs, enabling real-time adjustment of reactor temperature setpoints via 0–10 V signals to VFD-controlled cooling fans. The module’s compact 36 mm width optimizes space in control panels, supporting dense I/O configurations for large-scale DCS projects.
Application Field
The ABB DSAO110 57120001-AT/1 is essential in industries requiring precise analog control and robust signal integrity:
- Manufacturing: Controls robotic arm movements, conveyor speeds, and press forces in automotive and electronics production. For instance, in a semiconductor fab, the module delivers 0–5 V signals to servo drives for wafer positioning stages, ensuring sub-micron accuracy in lithography processes.
- Power Generation: Manages steam turbine governors, boiler feedwater valves, and generator excitation systems in thermal and hydroelectric plants. Its surge protection ensures reliable operation near high-voltage switchyards, where EMI interference is prevalent.
- Oil and Gas: Regulates flow control valves, compressor speeds, and pressure regulators in upstream wellheads and downstream refineries. In an offshore platform, the module’s wide temperature range (-25°C to +60°C) supports analog control of subsea choke valves in harsh marine environments.
- Pharmaceuticals: Ensures precise dosing and mixing in batch reactors by controlling metering pumps via 4–20 mA signals. The module’s compliance with RoHS and IEC standards meets strict pharmaceutical GMP requirements for equipment reliability and traceability.
Related Products
- ABB DSAO141 3BSE008001R1: A 4-channel analog output module with 16-bit resolution, suitable for high-precision applications like laboratory automation or aerospace testing.
- ABB DSAI146 3BSE007949R1: A complementary analog input module, enabling closed-loop control when paired with the DSAO110.
- ABB PM866AK01: An AC 800M control module that processes data from the DSAO110 and executes control logic, supporting up to 1,000 I/O points.
- ABB TB521: A terminal block for secure field wiring, compatible with the DSAO110’s analog outputs, ensuring reliable connections in high-vibration environments.
- ABB CI522 3BSE008615R1: A Profibus DP interface module, enhancing the DSAO110’s connectivity in hybrid fieldbus networks.
Installation and Maintenance
Pre-installation preparation: Mount the DSAO110 57120001-AT/1 in an AC 800M S800 I/O rack, ensuring proper grounding and ventilation. Use shielded twisted-pair cables for field connections, terminating output signals to the TB521 terminal block with specified torque (2.5 N·m). Configure signal types, scaling, and alarm limits via Control Builder M, verifying compatibility with field devices (e.g., calibrating 4–20 mA outputs for control valves).
Maintenance recommendations: Inspect the module’s LED indicators monthly to confirm channel status and power health. In dusty environments (e.g., cement plants), clean ventilation slots quarterly with compressed air. Test hot-swappable functionality annually to ensure rapid module replacement capability. Update firmware via the AC 800M’s firmware manager to incorporate bug fixes or new signal compatibility. For critical applications, perform annual loop testing using a calibrated signal generator to verify output accuracy and alarm responsiveness.
Product Guarantee
ABB stands behind the DSAO110 57120001-AT/1 with a 3-year warranty, covering defects in materials and workmanship. ABB’s global technical support team provides 24/7 assistance for configuration, troubleshooting, and remote diagnostics, ensuring minimal disruption to operations. The module’s compliance with international standards (IEC, UL) and rigorous testing (e.g., 10,000-cycle signal integrity tests) guarantees long-term reliability. With its combination of precision control, rugged design, and ease of integration, the DSAO110 57120001-AT/1 remains a trusted choice for analog output solutions in thousands of industrial applications worldwide.
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