+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The ABB DSAO120A is a high-performance 8-channel analog output module designed for industrial automation systems, specifically engineered for ABB’s Advant Master S100 I/O platform and compatible with Advant Controller 400 series. This module serves as a critical interface between digital control systems and analog field devices, converting digital signals into precise voltage or current outputs (e.g., 0–10 V, 4–20 mA) to drive valves, actuators, and process indicators.
Each channel of the ABB DSAO120A offers independent configuration for voltage or current output, enabling flexibility in diverse applications ranging from chemical processing to semiconductor manufacturing. With a 12-bit resolution and ±0.1% full-scale accuracy, it ensures sub-millivolt precision for demanding processes. The module’s robust design includes electrical isolation between channels and the system ground, minimizing interference and enhancing reliability in noisy industrial environments.
Integrated into ABB’s Advant OCS and S100 I/O systems, the DSAO120A supports hot-swappable operation, allowing maintenance without system downtime. Its intelligent diagnostics monitor for short circuits, open loops, and signal anomalies, providing real-time feedback through LED indicators and controller alarms. This makes it ideal for safety-critical applications requiring continuous operation, such as nuclear power plants and offshore oil platforms.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DSAO120A (3BSE018293R1) |
| Manufacturer | ABB |
| Product Type | High-Precision 8-Channel Analog Output Module (Advant S100 I/O Series) |
| Channels | 8 isolated channels (independently configurable) |
| Output Types | |
| – Current | 0–20 mA, 4–20 mA (loop-powered, 2-wire/4-wire) |
| – Voltage | 0–10 V, ±10 V |
| Resolution | 12-bit |
| Accuracy | ±0.1% of full scale (25°C) |
| Update Rate | 50 ms/channel |
| Isolation | 1000 VAC between channels and system ground |
| Load Capability | |
| – Current Output | ≤600 Ω (4–20 mA), ≤400 Ω (0–20 mA) |
| – Voltage Output | ≥20 kΩ (0–10 V) |
| Power Supply | 24 VDC (via backplane, ≤3.5 W total) |
| Environmental Ratings | IP20 (indoor), -25°C to +75°C (operating), -40°C to +85°C (storage) |
| Certifications | CE, UL, CSA, ATEX (Zone 2), IECEx |
| Physical Dimensions | 324 mm × 27 mm × 234 mm (W×H×D) |
Main Features and Advantages
High-Precision Control:
The ABB DSAO120A delivers 12-bit resolution and ±0.1% accuracy, ensuring fine-grained control over critical processes. Its voltage outputs support ranges up to ±10 V, while current outputs cover 0–20 mA and 4–20 mA, making it suitable for both standard and custom applications.
The ABB DSAO120A delivers 12-bit resolution and ±0.1% accuracy, ensuring fine-grained control over critical processes. Its voltage outputs support ranges up to ±10 V, while current outputs cover 0–20 mA and 4–20 mA, making it suitable for both standard and custom applications.
Flexible Configuration:
Each channel can be independently configured for voltage or current output via ABB’s Control Builder M software. This adaptability simplifies system design, reducing the need for multiple module types in complex setups.
Each channel can be independently configured for voltage or current output via ABB’s Control Builder M software. This adaptability simplifies system design, reducing the need for multiple module types in complex setups.
Reliable Isolation and Diagnostics:
With 1000 VAC channel isolation and transient protection against 4 kV surges, the module safeguards against ground loops and electrical noise. Built-in diagnostics detect open circuits, short circuits, and load anomalies within 10 ms, enabling proactive maintenance and minimizing downtime.
With 1000 VAC channel isolation and transient protection against 4 kV surges, the module safeguards against ground loops and electrical noise. Built-in diagnostics detect open circuits, short circuits, and load anomalies within 10 ms, enabling proactive maintenance and minimizing downtime.
Safety and Compliance:
Certified for ATEX and IECEx Zone 2 hazardous environments, the DSAO120A meets stringent safety standards for explosive atmospheres. Its compatibility with ABB’s redundant backplanes (e.g., DSPC172R2) further enhances system resilience in fault-tolerant applications.
Certified for ATEX and IECEx Zone 2 hazardous environments, the DSAO120A meets stringent safety standards for explosive atmospheres. Its compatibility with ABB’s redundant backplanes (e.g., DSPC172R2) further enhances system resilience in fault-tolerant applications.
Energy Efficiency:
The module’s low power consumption (<3.5 W total) and sleep mode for unused channels optimize energy usage, reducing heat dissipation in compact control panels.
The module’s low power consumption (<3.5 W total) and sleep mode for unused channels optimize energy usage, reducing heat dissipation in compact control panels.
Application Areas
Process Industries:
In chemical and pharmaceutical plants, the ABB DSAO120A controls reactor temperature gradients, peristaltic pump speeds, and chromatography column pressures with sub-millivolt accuracy. Its ATEX certification makes it suitable for offshore oil platforms, where it manages subsea choke valves and chemical injection systems in corrosive marine environments.
In chemical and pharmaceutical plants, the ABB DSAO120A controls reactor temperature gradients, peristaltic pump speeds, and chromatography column pressures with sub-millivolt accuracy. Its ATEX certification makes it suitable for offshore oil platforms, where it manages subsea choke valves and chemical injection systems in corrosive marine environments.
Semiconductor Manufacturing:
The module drives cleanroom airflow valves and deposition chamber pressures in wafer fabrication, ensuring precise control over etch rates and film thicknesses. Its high resolution and fast update rate (50 ms/channel) are critical for maintaining yield in high-speed production lines.
The module drives cleanroom airflow valves and deposition chamber pressures in wafer fabrication, ensuring precise control over etch rates and film thicknesses. Its high resolution and fast update rate (50 ms/channel) are critical for maintaining yield in high-speed production lines.
Power Generation:
In nuclear power plants, the DSAO120A actuates safety-related valves and hydraulic power units, adhering to SIL 3 requirements for safety integrity. It also monitors and adjusts steam turbine parameters in thermal power plants, optimizing energy efficiency.
In nuclear power plants, the DSAO120A actuates safety-related valves and hydraulic power units, adhering to SIL 3 requirements for safety integrity. It also monitors and adjusts steam turbine parameters in thermal power plants, optimizing energy efficiency.
Advanced Manufacturing:
For aerospace component production, the module calibrates CNC machine tool feeds and robotic arm force feedback, ensuring tight tolerances in composite material processing. In lithium-ion battery manufacturing, it regulates electrolyte dispensing rates and thermal cycling profiles to enhance cell uniformity.
For aerospace component production, the module calibrates CNC machine tool feeds and robotic arm force feedback, ensuring tight tolerances in composite material processing. In lithium-ion battery manufacturing, it regulates electrolyte dispensing rates and thermal cycling profiles to enhance cell uniformity.
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Installation & Maintenance
Installation:
- Rack Integration: Install the DSAO120A in slots 1–16 of an ABB S100 I/O rack, ensuring proper grounding of the backplane. Use shielded cables for voltage outputs (<100 m length) and twisted pair for current loops (<500 m) to minimize interference.
- Configuration: Configure channel parameters (e.g., output type, scaling) via Control Builder M software. Enable safety-related functions like fail-safe modes (e.g., ramping to zero during communication loss) as required.
Maintenance:
- Self-Calibration: The module performs automatic calibration every 24 hours. Periodic manual verification (every 2 years) with ABB’s CAL100 calibrator is recommended to maintain accuracy.
- Diagnostic Logging: Fault events (e.g., channel failures) are stored in non-volatile memory for up to 100 entries, accessible via the controller for predictive maintenance. Update firmware using ABB Service Tool 2.1 to support new protocols or safety features.
Product Guarantee
The ABB DSAO120A comes with a 1-year warranty covering component failure and calibration drift. Refurbished units undergo 48-hour burn-in testing and include a 12-month warranty. ABB’s Lifecycle Services ensure guaranteed spare parts availability for 15 years post-production, along with extended warranty options (up to 5 years) for mission-critical applications.
For hazardous area deployments, the DSAO120A (ATEX/IECEx certified) integrates seamlessly with approved intrinsic safety barriers. This combination of precision, reliability, and compliance makes it a preferred choice for industries where both performance and safety are non-negotiable.
HS:8443919090
Contact info
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- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
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