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Product Introduction
The ABB Bailey NASO01 is a high-precision Analog Output Module engineered to deliver robust and accurate analog signals for control system applications in ABB’s INFI 90 and Symphony DCS architectures. It is purpose-built for converting digital process variables into analog current or voltage signals for driving actuators, final control elements, or external measurement equipment.
The NASO01 seamlessly integrates into ABB’s modular control systems, providing the necessary analog output functions required for precise process regulation, especially in closed-loop control scenarios. Designed for industrial environments, the module ensures stable performance, long operational life, and high immunity to electrical disturbances.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NASO01 |
| Product Type | Analog Output Module |
| Output Channels | 4 independent analog output channels |
| Output Signal Range | 4–20 mA (current loop), or 0–10 VDC (voltage output, configurable) |
| Resolution | 12-bit DAC (Digital-to-Analog Conversion) |
| Load Resistance | Up to 600 Ω for current outputs |
| Output Isolation | Channel-to-ground and channel-to-channel isolation |
| Accuracy | ±0.1% of full-scale |
| Update Rate | ≤100 ms per channel |
| Diagnostics | Open circuit detection, over-range indication |
| Configuration | Software-defined output parameters via INFI 90 or Symphony tools |
| System Compatibility | ABB INFI 90, Symphony, Symphony Plus |
| Mounting Type | Rack-mounted slot module |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) |
| Humidity Range | 5% to 95% non-condensing |
| Certifications | CE, UL, CSA |
| Dimensions (H x W x D) | 120 x 50 x 80 mm |
| Weight | 0.34 kg |
Product Applications
The NASO01 is widely deployed in mission-critical industrial environments where high-performance analog outputs are essential for process regulation and equipment control. Common application areas include:
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Power Plants – Sending control signals to dampers, valves, turbines, and generator governors.
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Petrochemical Facilities – Regulating temperatures, flow rates, or pressure setpoints via control valves.
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Water and Wastewater Systems – Controlling chemical dosing pumps or variable-speed drives.
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Pharmaceutical Manufacturing – Fine control over environmental conditions in cleanrooms and reactors.
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Pulp & Paper Plants – Outputting signals for drive control and process valve actuation.
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Food Processing – Used in systems requiring precise analog signals to maintain product quality.
Product Advantages
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Multi-Channel Efficiency: Supports four analog outputs in a single module, saving rack space.
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High Output Precision: 12-bit resolution and ±0.1% accuracy ensure tight process control.
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Configurable Output Types: Easily switch between voltage and current outputs per application needs.
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Robust Isolation: Electrical isolation minimizes signal distortion and enhances system safety.
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Comprehensive Diagnostics: Built-in fault detection supports faster troubleshooting and higher system availability.
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Long-Term Stability: Industrial-grade components designed for minimal drift over time.
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Seamless System Integration: Fully compatible with ABB’s legacy and modern DCS platforms.
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Resilient Design: Tolerates harsh operating conditions typical in industrial settings.
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Low Power Consumption: Optimized for efficient operation without overheating.
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ABB Global Support: Backed by a worldwide service network and long-term component availability.
Frequently Asked Questions (FAQ)
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What output signal types can the NASO01 provide?
The module can be configured for either 4–20 mA current loop or 0–10 VDC voltage output per channel. -
Are the analog outputs isolated on the NASO01?
Yes, each channel is electrically isolated from the others and from system ground. -
How is output accuracy maintained under temperature fluctuations?
The module includes temperature-compensated components that ensure minimal drift across the operating range. -
Can the NASO01 be used to control proportional valves directly?
Yes, its analog output is ideal for controlling devices like I/P converters or proportional actuators. -
Does the NASO01 support real-time diagnostics?
It supports open circuit and over-range diagnostics with feedback to the system controller. -
What kind of calibration or maintenance is required?
The module is factory calibrated and typically requires minimal maintenance. Periodic validation is recommended. -
How fast can the module update its output values?
Each channel updates within 100 milliseconds or less, suitable for most industrial control loops. -
Is redundant operation supported for critical control applications?
Yes, it can be used in redundant configurations with dual DCS paths or parallel control strategies. -
What happens if an output signal exceeds its range?
The module flags an over-range condition to the controller, and output clamps to the module’s maximum value. -
Can I use different output types (current and voltage) on separate channels?
No, all channels must be configured consistently as either voltage or current output at the same time.
Related or Compatible Models (Same Series)
| Model | Description | Function | System Compatibility |
|---|---|---|---|
| NASI01 | Analog Input Module | 4–20 mA / 0–10 VDC Input | INFI 90, Symphony |
| NASM01 | Multi-Function Analog Module | Mixed Signal Input | INFI 90 |
| NIMM01 | Multiplexer Input Module | Multi-point Digital/Analog | INFI 90 |
| INNIS01 | Network Interface Module | I/O Bus Communication | INFI 90 |
| IMASI23 | Analog Input Module | 16-Channel Analog Input | Symphony Plus |
| IMASO01 | Analog Output Module (Extended) | Advanced Analog Output | INFI 90 / Symphony |
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|---|---|---|---|
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