ABB AI820 Advanced Analog Input Module for Automation
Description
ABB AI820 Advanced Analog Input Module is a differential analog input module designed for industrial automation applications requiring high precision and a wide measurement range.
| Specification | Value |
|---|---|
| Number of Channels | 4 |
| Input Type | Bipolar differential |
| Measurement Range | Current: -20 to +20 mA, 0 to 20 mA, 4 to 20 mA; Voltage: -10 to +10 V, 0 to 10 V, 2 to 10 V, -5 to +5 V, 0 to 5 V, 1 to 5 V DC |
| Resolution | 14 bits plus sign |
| Input Impedance | Voltage input: 200kΩ +/-25%; Current input: 250Ω |
| Maximum Field Cable Length | 600 meters |
| Update Cycle Time | Less than 26 ms |
| Power Dissipation | 1.7W |
Key Features:
- High precision with 14-bit resolution and maximum error of 0.1% for accurate measurements
- 4 configurable differential channels supporting both current and voltage inputs for flexible use
- Overvoltage protection and 80 dB CMRR at 50/60 Hz for enhanced system stability and safety
- Excellent temperature stability with 50 ppm/degrees Celsius max drift for current, 70 ppm/degrees Celsius max drift for voltage
- Low power design and compatibility with MTU (Module Terminal Unit) for reduced system energy use and flexible connectivity
Applications:
- Manufacturing: Monitor and control production line parameters such as current and voltage
- Energy Industry: Track power grid parameters to ensure stable operation of electrical systems
- Infrastructure: Support automation and monitoring for water treatment, wastewater treatment, and HVAC systems
Related Models:
- ABB AI830A Analog Input Module
- ABB AI845 Analog Input Module
- ABB AO810 Analog Output Module