The Yokogawa NFAR181-S00 S2 serves as a specialized RTD input module for the STARDOM network-based control system. This component converts resistance signals from temperature sensors into digital data. It supports four independent channels for comprehensive thermal monitoring. The module handles various sensor types including Pt100, Ni120, and Cu50 elements.
High-precision measurements remain a core feature of this hardware. It provides 16-bit resolution to capture subtle temperature fluctuations. Built-in linearization ensures signal integrity across the entire measurement scale. Furthermore, the module includes automatic compensation for lead wire resistance. This technology maintains accuracy even with long cable runs in industrial plants.
Key Technical Specifications
| Characteristic | Specification |
| Manufacturer | Yokogawa |
| Model Number | NFAR181-S00 S2 |
| Module Type | RTD Input (4 Channels) |
| Input Signal Types | Pt100, Ni120, Cu50 |
| Measurement Range | -200 to 800°C (Pt100) |
| Conversion Accuracy | ±0.15% of span + 0.2°C |
| Data Resolution | 16-bit |
| Dimensions | 3.2 x 10.6 x 13 cm |
| Unit Weight | 0.2 kg |
| System Compatibility | STARDOM DCS / FCN-RTU |
Advanced Diagnostics and Reliability
System reliability increases through integrated diagnostic functions. The NFAR181-S00 S2 detects sensor burnout and hardware failures immediately. This proactive monitoring prevents process downtime in critical environments. Operators receive real-time status updates via the STARDOM control network.
The compact design allows for efficient DIN rail mounting. Consequently, the module fits easily into high-density control cabinets. Robust isolation between channels prevents electrical interference from affecting adjacent signals. These protective measures ensure stable performance in harsh electromagnetic conditions.
Typical Industrial Applications
This RTD module excels in sectors requiring strict temperature regulation. Chemical processing plants use it for reactor vessel monitoring. Oil and gas facilities rely on it for pipeline safety. Power generation stations implement the module for transformer and motor protection.
Beyond heavy industry, the module supports building automation and HVAC systems. It provides accurate data for clean room environmental control. Food and beverage manufacturers utilize it for pasteurization and storage tracking. This versatility makes it a global standard for professional thermal measurement.
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