
Product Description
ABB DSAI155 Analog Input Board - High-Precision Thermocouple Signal Processing
The ABB DSAI155 (57120001-HZ) represents a professional-grade analog input solution engineered for demanding industrial automation environments. This 14-channel thermocouple input board delivers exceptional signal accuracy and reliability for temperature monitoring applications across process control, power generation, and manufacturing systems.
Technical Specifications
- Model Number: 57120001-HZ
- Input Channels: 14 differential thermocouple inputs
- Sensor Compatibility: Types J, K, T, E, R, S, B thermocouples
- Resolution: 16-bit A/D conversion
- Accuracy: ±0.1% of full scale
- Isolation: Channel-to-channel and channel-to-bus isolation
- Operating Temperature: -40°C to +70°C
- Power Consumption: 5W typical
Application Scenarios
Process Temperature Monitoring: Ideal for multi-point temperature surveillance in chemical reactors, distillation columns, and heat exchangers where precise thermal profiling ensures product quality and process safety.
Power Plant Operations: Monitors critical temperature points in turbines, boilers, and exhaust systems, providing early warning of thermal anomalies that could indicate equipment degradation.
Manufacturing Quality Control: Enables real-time temperature tracking during heat treatment, curing, and thermal processing operations, ensuring consistent product specifications and regulatory compliance.
Integration Solutions
The DSAI155 seamlessly integrates with ABB's Advant OCS and 800xA control platforms through standard S800 I/O communication protocols. Hot-swappable design minimizes downtime during maintenance, while comprehensive diagnostic capabilities accelerate troubleshooting. The module's robust EMI/RFI shielding ensures reliable operation in electrically noisy industrial environments.
Why Choose ABB DSAI155?
- Proven reliability in mission-critical applications worldwide
- Cold junction compensation eliminates external reference requirements
- Flexible configuration via engineering tools or DCS interface
- Extended temperature range supports harsh environment deployment
- Comprehensive self-diagnostics reduce maintenance overhead
Related Products
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| ABB DSAI130A | 16-Channel Analog Input Board | View Product |
| ABB DSAI133A | 32-Channel Analog Input Board | View Product |
| ABB DSAI130D | Analog Input Board with Enhanced Diagnostics | View Product |
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