The ALSTOM VPS 12004-102-03 is a high-precision analog input module designed for critical process control applications in industrial automation systems. As part of ALSTOM’s VPS series, this module serves as a reliable interface between field sensors and DCS/PLC controllers, delivering accurate signal conversion in demanding industrial environments.
With its advanced signal conditioning technology, the VPS 12004-102-03 supports multiple input types including 4-20mA, 0-10V, and RTD/TC signals, making it versatile for various measurement applications. Its rugged design ensures stable operation in temperatures ranging from -20°C to +70°C, ideal for power plants, oil refineries, and chemical processing facilities.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Model | VPS 12004-102-03 |
| Manufacturer | ALSTOM |
| Type | Analog Input Module |
| Input Channels | 16 (isolated) |
| Input Types | 4-20mA, 0-10V, RTD, TC |
| Accuracy | ±0.05% FS |
| Resolution | 16-bit |
| Sampling Rate | 100 samples/sec/channel |
| Isolation | 1500V AC channel-to-channel |
| Power Supply | 24V DC ±10% |
| Operating Temperature | -20°C to +70°C |
| Dimensions | 120mm × 80mm × 35mm |
| Weight | 0.5kg |
| Certifications | SIL 2, ATEX |
Key Features and Advantages:
Signal integrity: The VPS 12004-102-03 incorporates advanced noise filtering and automatic drift compensation, maintaining measurement accuracy even in electrically noisy environments. Its channel-to-channel isolation prevents signal interference and ground loops.
Configuration flexibility: Featuring software-selectable input types and ranges, the module simplifies system integration and reduces spare parts inventory. The hot-swappable design minimizes downtime during maintenance or replacement.
Application Areas:
- Power Generation: Turbine vibration monitoring and temperature measurement
- Oil & Gas: Pipeline pressure and flow monitoring
- Chemical Processing: Reactor temperature control loops
- Water Treatment: pH and conductivity measurement
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Installation and Maintenance:
Installation preparation: Verify proper grounding and shield connections before installing the VPS 12004-102-03. Ensure adequate ventilation space (minimum 50mm) around the module for heat dissipation.
Maintenance recommendations: Perform annual calibration checks using ALSTOM’s CAL-100 calibration tool. Regularly inspect terminal connections for proper torque and signs of corrosion.
Product Assurance:
ALSTOM provides 12-month comprehensive warranty for the VPS 12004-102-03, including free technical support and advance replacement services. Each module undergoes 500-hour burn-in testing and full functional verification before shipment.
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