The ABB DSAI155 57120001-HZ is a professional-grade analog input module for advanced automation. This board delivers precise signal acquisition from a wide array of field sensors and instruments. Consequently, it provides vital process data for accurate control and monitoring systems.
Core Signal Processing and Integration Features
This high-density module excels in environments demanding numerous analog measurements. It handles multiple signal types including standard 4-20 mA loops and various voltage ranges. Moreover, the DSAI155 series incorporates robust isolation to ensure impeccable signal integrity.
Its design effectively eliminates noise interference and prevents potential ground loops. Therefore, the 57120001-HZ guarantees reliable performance in electrically challenging industrial settings. Users configure this module seamlessly through ABB’s dedicated engineering software suite.
Comprehensive Physical and Electrical Specifications
The module features a compact design for efficient integration into standard ABB system racks. Below are its detailed technical specifications for accurate system planning and integration.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Product Series | DSAI155 Series |
| Full Model Number | 57120001-HZ |
| Module Category | High-Density Analog Input Board |
| Channel Configuration | 32 single-ended or 16 differential inputs |
| Supported Signal Types | 0-20 mA, 4-20 mA, 0-10V, ±10V, RTD, Thermocouple |
| A/D Converter Resolution | 16-bit |
| Overall Accuracy | ±0.05% of reading at 25°C (typical) |
| Channel-to-Channel Isolation | 1000 V AC (continuous rating) |
| Input Impedance | >1 MΩ for voltage inputs, 250Ω for current |
| Power Supply Voltage | +24 V DC (18-32 V range) |
| Typical Power Consumption | 3.5 W (maximum load) |
| Operating Temperature Range | -20°C to +70°C |
| Storage Temperature Range | -40°C to +85°C |
| Relative Humidity Rating | 5% to 95% (non-condensing) |
| Physical Dimensions (HxWxD) | 185 mm x 25 mm x 120 mm |
| Module Weight | 280 grams |
| Electrical Connection | Removable screw terminal block (front) |
| Isolation Components | 32 individual isolation transformers/channel |
| Data Update Rate | 50 ms per channel (all channels) |
| Diagnostic Features | Open circuit detection, over-range, under-range |
| MTBF (Mean Time Between Failures) | 850,000 hours |
The front-accessible terminal block significantly simplifies wiring and routine maintenance tasks. This module also provides extensive per-channel diagnostics for immediate fault identification. These diagnostics alert users to issues like sensor disconnection or signal limit violations instantly.
Industrial Application and System Role
The ABB DSAI155 57120001-HZ is indispensable for complex process industries and manufacturing. It continuously monitors critical variables including pressure, temperature, flow, and analytical values. This module acts as a foundational data acquisition component within comprehensive ABB control architectures.
Details
| Weight | 5 kg |
|---|---|
| Dimensions | 190 × 130 × 100 mm |
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