ABB DSAI133A analog input board
Description
ABB DSAI133A Analog Input Board (Order Code 3BSE018290R1) is a high-density analog input module designed for precise industrial signal acquisition and real-time process control, compatible with ABB AC 800M, Symphony Plus, and Advant Controller 450 systems.
| Specification | Value |
|---|---|
| Input Channels | 16 channels (grouped into 4 isolated blocks of 4 channels each) |
| Input Signal Types | 4-20 mA (standard), 0-20 mA |
| Input Impedance | Approximately 250 ohms per channel |
| Resolution | 16-bit ADC (65,536 counts) |
| Accuracy | ±0.1% of full scale at 25 degrees Celsius |
| Sampling Rate | Approximately 10 ms per channel (configurable scan groups) |
| Isolation | 500 VAC between field and system ground |
| Operating Temperature | 0 to 60 degrees Celsius |
| Certifications | CE, UL 61 |
Key Features:
- Transparent HART pass-through for remote configuration and diagnostic of smart transmitters
- Comprehensive diagnostic tools including per-channel LED indicators, wire break detection (below 2.5 mA), and over/under-range alarms
- High common mode rejection ratio to eliminate ground loop errors and improve signal integrity
- Modular design for easy integration and expansion via ModuleBus communication with AC 800M CPUs such as PM825
Applications:
- Power generation plants for monitoring boiler air/fuel pressure and flame stability
- Refineries and chemical plants for tracking temperature, pressure, and flow variables
- General industrial process control systems for reliable analog signal data acquisition
Related Models:
- ABB DSAI131A
- ABB DSAI132A
- ABB DSAI134A