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Product Introduction
The ABB AI931 Analog Input Module is a high-performance solution designed for accurate and reliable signal acquisition in industrial automation systems. This module provides precise measurement of voltage and current signals from various field devices, ensuring seamless integration with control systems.
Equipped with a 16-bit ADC, the ABB AI931 ensures excellent measurement accuracy, enabling precise control in critical process applications. The module’s compact design (140 x 96 x 88 mm) and robust construction make it ideal for use in harsh industrial environments, from power plants to manufacturing lines.
With a wide operating temperature range (-20 °C to +60 °C), the ABB AI931 offers flexibility and durability, making it a versatile choice for industries such as energy, water treatment, and chemical processing.
Product Specifications
| Parameter | Description |
|---|---|
| Model | AI931 |
| Module Type | Analog Input Module |
| Number of Channels | 8 Analog Inputs |
| Input Signal Types | Voltage (0–10 V), Current (4–20 mA) |
| Resolution | 16-bit ADC |
| Sampling Rate | Up to 100 samples/second per channel |
| Accuracy | ±0.1% of full scale |
| Input Impedance | >1 MΩ (Voltage inputs) |
| Isolation | Channel-to-channel isolation |
| Power Supply | 24 V DC nominal |
| Operating Temperature | -20 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions (W x H x D) | 140 x 96 x 88 mm |
| Weight | 0.6 kg |
| Communication Interface | Compatible with ABB modular I/O systems |
| Certifications | CE, UL, RoHS compliant |
Product Applications
The ABB AI931 Analog Input Module is designed to cater to various industrial needs, including:
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Power Generation: For monitoring and measuring key parameters such as voltage and current in power plants.
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Chemical and Petrochemical Industries: Ideal for process control in chemical plants and refineries.
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Water and Wastewater Treatment: For tracking parameters like pH, flow, and level in water treatment facilities.
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Manufacturing Automation: Suitable for data acquisition and process control in production lines.
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HVAC Systems: For efficient temperature and humidity monitoring in building management systems.
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Energy Management Systems: Helps monitor energy consumption and optimize power usage.
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R&D and Lab Testing: For precise analog signal measurement in research environments.
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Building Automation: Ideal for temperature and environmental control in smart buildings.
Product Advantages
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High-Resolution ADC: Provides a 16-bit ADC for precise and accurate signal conversion.
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Flexible Input Types: Supports both voltage (0–10 V) and current (4–20 mA) inputs, making it versatile for various sensors.
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Compact Design: At 140 x 96 x 88 mm and weighing only 0.6 kg, it can be easily integrated into tight spaces.
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Electrical Isolation: Offers channel-to-channel isolation, reducing interference and increasing reliability.
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Wide Operating Temperature: Suitable for environments ranging from -20 °C to +60 °C.
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Low Power Consumption: Operates on 24 V DC, minimizing energy use.
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Easy Integration: Seamlessly integrates with ABB’s distributed I/O systems, simplifying setup and scaling.
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Global Certification: Certified with CE, UL, and RoHS for international compliance.
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Durability: Designed for continuous operation in demanding industrial environments.
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Scalable System: Easily expandable for larger automation systems, supporting growth.
Frequently Asked Questions (FAQ)
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What types of input signals are supported by the AI931?
The ABB AI931 supports voltage (0–10 V) and current (4–20 mA) input signals. -
How many analog input channels does the module have?
The module features 8 independent analog input channels. -
What is the ADC resolution?
The ABB AI931 uses a 16-bit ADC, which ensures high-precision signal conversion. -
Can the AI931 operate in extreme temperature environments?
Yes, the ABB AI931 operates in a temperature range from -20 °C to +60 °C. -
Is there electrical isolation between the input channels?
Yes, the module provides channel-to-channel isolation, reducing interference. -
What are the physical dimensions of the AI931 module?
The module has dimensions of 140 x 96 x 88 mm and weighs 0.6 kg. -
What power supply is required?
The ABB AI931 requires a 24 V DC nominal power supply. -
Is it easy to integrate the AI931 with other systems?
Yes, the ABB AI931 integrates easily with ABB’s modular I/O systems, streamlining setup. -
Is the AI931 certified for use worldwide?
Yes, it is CE, UL, and RoHS compliant, making it suitable for global use. -
What industries is the AI931 ideal for?
The ABB AI931 is perfect for power generation, chemical processing, manufacturing, and water treatment, among other industrial applications.
Recommended Related Models (Same Series or Function)
| Model | Description | Notes |
|---|---|---|
| AI930 | Analog Input Module (8 Channels) | Similar to AI931 with fewer channels |
| AO930 | Analog Output Module (8 Channels) | Complements AI931 for analog outputs |
| DI930 | Digital Input Module (16 Channels) | For digital signal acquisition |
| DO930 | Digital Output Module (16 Channels) | For controlling digital actuators |
| AI940 | High-Precision Analog Input Module | For applications requiring high precision |
| AI950 | Temperature Input Module | For RTD and thermocouple measurements |
Popular ABB I/O Modules (Same Brand)
| Model | Features | Application Areas |
|---|---|---|
| AI930B | Analog input, high performance | Industrial automation, control systems |
| AI930N | Networked input, high accuracy | SCADA systems, process control |
| AI930S | Isolated input, compact design | PLC systems, measurement instruments |
| AI940B | Multi-channel input, rugged design | Heavy machinery, robotics |
| AI920S | Fast response, flexible configuration | Data acquisition, monitoring |
| AI950X | High voltage input, extended range | Electrical testing, power monitoring |
