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- ABB
- AI835
- Analog Input Module
- Sweden
- 90 mm × 120 mm × 30 mm
- 0.42kg
- 3BSE008520R1
- Xiamen, China
- New & In Stock
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ABB AI835 (3BSE008520R1) – Detailed Product Overview
Product Overview
The ABB AI835 (3BSE008520R1) is an advanced analog input module designed for industrial automation and process control systems. It serves as a high-reliability interface between field instruments and control platforms, converting analog signals into precise digital values for monitoring, regulation, and optimization.
The module is engineered for stable long-term operation in demanding industrial environments. With accurate signal conversion, robust hardware design, and integrated diagnostics, the AI835 supports applications where precision and reliability are critical.
Its modular structure allows easy integration into distributed control systems and automation cabinets, ensuring flexibility in system design and expansion.
Brand and Product Series
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Brand: ABB
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Series: Analog Input Module Series (Industrial Automation I/O Modules)
The AI835 belongs to a modular I/O family designed for scalable process automation systems. This series includes multiple analog input and output variants, offering different channel densities and performance levels to meet varied industrial requirements.
Product Introduction
The AI835 is developed to handle multiple analog input channels simultaneously while maintaining high measurement accuracy. It supports common industrial voltage and current signals and provides stable digital conversion for controller processing.
The module is built for cabinet installation using DIN rail or modular rack systems. It features internal signal conditioning and filtering to reduce electrical noise influence, ensuring reliable performance even in electrically harsh environments.
Its compact footprint allows engineers to optimize panel space while maintaining high signal acquisition capacity.
Key Technical Specifications
| Specification | Details |
|---|---|
| Model | AI835 (3BSE008520R1) |
| Type | Analog Input Module |
| Number of Channels | 8 channels |
| Input Signal Types | ±10V, 0–10V, 4–20 mA, 0–20 mA |
| Resolution | 16-bit |
| Input Impedance | >1 MΩ (voltage) |
| Accuracy | ±0.1% of full scale |
| Sampling Time | Approx. 50 ms per channel |
| Power Consumption | 2.5 W |
| Operating Temperature | –20°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Isolation | Channel-to-system isolation |
| Dimensions (H×W×D) | 90 mm × 120 mm × 30 mm |
| Weight (kg) | 0.42 kg |
| Mounting Method | DIN rail / System rack |
| Status Indicators | Power and channel status LEDs |
Product Applications
The AI835 is widely used across industrial sectors requiring precise analog data acquisition.
Process Industries
It collects real-time measurements from temperature transmitters, pressure sensors, and flow meters in chemical, oil, gas, and manufacturing facilities.
Power and Energy Systems
The module interfaces with measurement instruments to monitor voltage, current, and other electrical parameters in substations and energy distribution networks.
Factory Automation
Used in automated production lines to gather sensor feedback for machine control and quality monitoring.
Water Treatment and Infrastructure
Captures analog signals from environmental sensors and supports automated regulation of pumps and valves.
Building Automation
Integrated into HVAC and environmental monitoring systems to ensure precise control and energy efficiency.
Product Advantages
Reliable Signal Processing
The AI835 ensures consistent and accurate signal conversion, reducing measurement errors.
Compact and Modular Design
Optimizes cabinet space and simplifies installation in distributed systems.
Noise Resistance
Internal filtering and isolation help minimize the impact of electrical interference.
Diagnostic Visibility
LED indicators allow quick identification of operational status and channel activity.
Scalable Architecture
Supports expansion within modular automation systems without redesigning the entire infrastructure.
Related Models – Same Series or Similar Function
| Model | Channels | Signal Type | Resolution | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AI810 | 8 | Voltage / Current | 16-bit | 1.5 | 90 × 120 × 25 | 0.30 |
| AI815 | 8 | Voltage / Current | 16-bit | 2.0 | 90 × 120 × 25 | 0.35 |
| AI820 | 16 | Voltage / Current | 16-bit | 3.0 | 90 × 120 × 40 | 0.55 |
| AI830 | 8 | Voltage / Current | 16-bit | 2.0 | 90 × 120 × 25 | 0.38 |
| AI825 | 32 | Voltage / Current | 16-bit | 4.0 | 90 × 120 × 45 | 0.75 |
Other Popular Models – Same Brand
| Model | Function | Channels/Outputs | Resolution/Type | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| DI810 | Digital Input Module | 16 inputs | Digital | 2.0 | 90 × 120 × 25 | 0.32 |
| DO810 | Digital Output Module | 16 outputs | Digital | 2.0 | 90 × 120 × 25 | 0.33 |
| AO820 | Analog Output Module | 16 channels | 16-bit | 3.0 | 90 × 120 × 40 | 0.50 |
| AI880 | Analog Input Module | 8 channels | 16-bit | 2.0 | 90 × 120 × 30 | 0.35 |
| CI840 | Communication Interface Module | Network interface | Ethernet | 3.5 | 90 × 120 × 40 | 0.60 |
Frequently Asked Questions (FAQ)
Q1: What type of signals can the AI835 accept?
A1: The AI835 supports standard industrial voltage and current signals such as ±10V and 4–20 mA.
Q2: How many channels does the AI835 provide?
A2: It provides 8 independent analog input channels.
Q3: What is the resolution of the AI835 module?
A3: The module offers 16-bit resolution for accurate data acquisition.
Q4: What is the operating temperature range?
A4: The operating temperature range is from –20°C to +60°C.
Q5: What is the approximate weight of the module?
A5: The AI835 weighs approximately 0.42 kg.
Q6: Is the module suitable for noisy industrial environments?
A6: Yes, it includes isolation and filtering features to reduce electrical interference.
Q7: How is the AI835 mounted?
A7: It is installed on a DIN rail or within a modular automation rack.
Q8: What is the power consumption of the AI835?
A8: The module consumes approximately 2.5 watts during operation.
Q9: Does the module provide status indication?
A9: Yes, LED indicators show power status and channel activity.
Q10: Can the AI835 be expanded within a larger system?
A10: Yes, it is designed for modular expansion within scalable automation architectures.