ABB AI845 Analog Input Module
Description
ABB AI845 Analog Input Module is a high-precision, modular analog input I/O module designed for use with the ABB Ability System 800xA control system, supporting both single and redundant applications. It features 8 channels with flexible input configuration, and integrates power distribution for HART-compatible transmitters.
| Specification | Value |
|---|---|
| Input Channels | 8 |
| Input Types | Analog voltage, analog current |
| Input Ranges | -10 V to +10 V, 0 mA to 20 mA, 4 mA to 20 mA, 0 V to 5 V, 1 V to 5 V |
| Accuracy | ±0.1% |
| Resolution | 16 bits |
| Sampling Rate | 100 Hz |
| Operating Temperature | -20 to 60 degrees Celsius |
| Storage Temperature | -40 to 85 degrees Celsius |
| Protection Rating | IP65 |
| Weight | 0.2 kg |
Key Features:
- Channel-specific input type selection (voltage or current) when paired with MTU TU844 or TU845; unified input type for all channels with other MTUs
- Withstands at least 11 V dc overvoltage or undervoltage; voltage input resistance greater than 10 M ohms, current input resistance 250 ohms
- Integrates power distribution for 2-wire or 3-wire HART-compatible transmitters with power monitoring and current limiting
- Supports redundant operation and Profibus-DP bus communication; includes real-time diagnostics and fault safety settings
- Compact 1/5 S800 I/O chassis form factor with hot-swap capability
Applications:
- Process control, quality control, and energy management in oil and gas, chemical, and power industries
- Environmental monitoring and data collection for industrial automation systems
- Temperature, pressure, flow, and level monitoring in metallurgy and food and beverage production
Related Models:
- ABB AI830 Analog Input Module
- ABB AI835 Analog Input Module
- ABB AI880 Analog Input Module