ABB UAD149A02 3BHE014135R2511 Product Specification
1. Product Overview
The ABB UAD149A02 (Order Code: 3BHE014135R2511) is a high-reliability analog input module designed for ABB’s AC 800M and Symphony Plus distributed control systems (DCS). Specialized in precise acquisition and conditioning of analog signals from industrial sensors and transducers, it serves as a critical data acquisition component in power generation, oil & gas, and chemical processing applications. By combining high measurement accuracy with rugged design and seamless DCS integration, this module ensures reliable monitoring of key process variables, supporting safe and efficient industrial operations.
Compliant with international standards including IEC 61508 (SIL 3), IEC 61010-1, and EN 61326-1 (EMC), the UAD149A02 features galvanic isolation, wide input range adaptability, and built-in fault diagnostic functions. It integrates seamlessly with ABB’s Control Builder M software, providing engineers with a user-friendly and cost-effective solution for analog signal processing in mission-critical control systems.
2. Technical Parameters & Specifications
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Category
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Details
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Product Model
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ABB UAD149A02 (3BHE014135R2511)
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Product Type
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8-Channel Analog Input Module (SIL 3 Certified)
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Compatible DCS
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ABB AC 800M, Symphony Plus
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Input Type
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4-20 mA DC (2-Wire/4-Wire); Configurable per Channel
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Input Range
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0-20 mA DC, 4-20 mA DC, 0-10 V DC (Software-Selectable)
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Measurement Accuracy
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±0.02% Full Scale (FS) at 25°C; ±0.05% FS (-10°C to 60°C)
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Resolution
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16 Bits
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Sampling Rate
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10 Samples/Second per Channel; Synchronous Sampling Optional
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Isolation
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Channel-to-Channel: 500 V DC; Channel-to-Backplane: 2.5 kV DC
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Power Supply
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24 V DC ±10%; Typical: 3 W; Maximum: 5 W
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Environmental Ratings
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Operating Temp: -10°C–60°C; Storage Temp: -40°C–85°C; Humidity: 5%–95% (Non-Condensing)
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Certifications
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IEC 61508 (SIL 3); IEC 61010-1; EN 61326-1; UL 61010-1; CE; RoHS
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3. Key Features
3.1 High-Precision Signal Acquisition
With 16-bit resolution and ±0.02% FS accuracy, the module ensures precise measurement of critical process variables such as pressure, temperature, and flow. The wide operating temperature range (-10°C to 60°C) maintains measurement stability in harsh industrial environments, eliminating errors caused by temperature fluctuations.
3.2 Flexible Channel Configuration
Each of the 8 channels can be independently configured via software to support 4-20 mA, 0-20 mA, or 0-10 V input signals, adapting to diverse sensor types. This flexibility eliminates the need for multiple dedicated modules, reducing system complexity and hardware costs in mixed-signal applications.
3.3 SIL 3 Safety Compliance
Certified to IEC 61508 SIL 3, the module integrates built-in fault diagnostic functions (e.g., open-circuit detection, over-range monitoring) with ≥99.9% fault coverage. 2.5 kV DC galvanic isolation between channels and backplane prevents electrical interference, ensuring safe operation in safety-critical systems like power plant boiler control.
3.4 Seamless DCS Integration
Designed for plug-and-play integration with ABB AC 800M and Symphony Plus DCS, the module is fully supported by ABB’s Control Builder M software. Pre-configured function blocks simplify programming, while real-time diagnostic data transmission enables predictive maintenance, reducing unplanned downtime.
4. Related ABB Products
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ABB UAO148A02 (3BHE014134R2511): 8-channel analog output module, paired with UAD149A02 for complete measurement and control solutions.
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ABB UDI142A02 (3BHE014132R2511): 16-channel digital input module, ideal for integrating discrete signals with UAD149A02 in mixed I/O systems.
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ABB UDO143A02 (3BHE014133R2511): 16-channel digital output module, supporting high-current loads for industrial actuators.
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ABB AC 800M Controller (3BSE042236R1): Central processing unit for ABB DCS, providing seamless control with UAD149A02 modules.
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ABB Control Builder M: Engineering software for configuring UAD149A02 and other ABB DCS components, featuring intuitive programming interfaces.
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