Introduction
The Yokogawa NFAI141-S00 S1 Analog Input Module is a high-precision industrial I/O component designed for advanced process control and data acquisition systems. As part of Yokogawa’s FCN autonomous controller platform, this module is engineered to convert analog field signals into accurate digital data for reliable monitoring and control.
Built for stability and long-term operation, the NFAI141-S00 S1 is widely used in mission-critical industrial environments where signal accuracy, system integrity, and real-time responsiveness are essential. Its robust architecture supports both standard and demanding process automation applications, making it a trusted choice in global industrial installations.
Technical Specifications
| Parameter | Specification |
|---|
| Model | NFAI141-S00 S1 |
| Manufacturer | Yokogawa |
| Type | Analog Input Module |
| Input Channels | 16 channels (non-isolated, differential) |
| Input Signal | 4–20 mA DC / 1–5 V / 0–10 V |
| Accuracy | ±0.05% to ±0.1% of full scale |
| Resolution | 16-bit high precision |
| Data Refresh Cycle | ~10 ms |
| Step Response Time | ~100 ms |
| Input Resistance | 250 Ω (power ON) |
| Overcurrent Protection | Up to 27 mA |
| Transmitter Supply | 22.8–26.4 V DC |
| Communication | FCN system backplane integration |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Power Consumption | Approx. 3–5 W (system dependent) |
| Dimensions | 482 mm × 210 mm × 220 mm |
| Weight | ~1.0 kg |
Applications
The NFAI141-S00 S1 is widely deployed in industrial automation systems where precise analog signal measurement is required.
Typical applications include:
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Oil & gas process control systems
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Power generation monitoring and control
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Chemical and petrochemical plants
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Water treatment and distribution systems
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Factory automation and production lines
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Environmental monitoring systems
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Machine condition monitoring
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Distributed control system (DCS) architectures
Its flexibility in handling both current and voltage inputs makes it suitable for a wide range of industrial sensors and transmitters.
Advantages
The Yokogawa NFAI141-S00 S1 offers strong engineering benefits designed for reliability and performance:
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High-precision 16-bit signal conversion ensures accurate data acquisition
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Multi-signal compatibility (current and voltage inputs) improves flexibility
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Fast processing cycle (~10 ms) supports real-time control systems
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Strong diagnostic capability improves maintenance efficiency
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Industrial-grade stability for continuous operation environments
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Compact modular design for easy system integration
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Reliable FCN system compatibility for scalable automation architecture
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Low temperature drift ensures consistent long-term accuracy
These features make it particularly valuable in environments where measurement reliability directly impacts operational safety and efficiency.
Technical FAQs
1. What is the main function of the NFAI141-S00 S1?
It converts analog field signals into digital data for control system processing.
2. How many input channels does it support?
It supports 16 analog input channels.
3. What types of signals can it read?
It supports 4–20 mA current and 0–10 V / 1–5 V voltage signals.
4. Is the module isolated?
It is a non-isolated differential input module.
5. What is its accuracy level?
Approximately ±0.05% to ±0.1% of full scale.
6. What is the response time?
Around 100 ms step response time.
7. What system is it used with?
It is used in Yokogawa FCN autonomous controller systems.
8. What is its operating temperature range?
-20°C to +70°C.
9. Does it support diagnostics?
Yes, it includes built-in module and sensor diagnostics.
10. What is its weight?
Approximately 1.0 kg.
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