Introduction
The Yokogawa NFAI141-S00 Analog Input Module is a high-reliability industrial signal acquisition component designed for advanced process automation and Distributed Control System (DCS) environments. As part of Yokogawa’s FCN/STARDOM architecture, this module is engineered to convert field analog signals into precise digital data for real-time monitoring, control, and optimization.
Known for its stability and measurement accuracy, the NFAI141-S00 is widely deployed in industries where continuous process visibility and data integrity are essential. Its robust design ensures dependable performance in harsh industrial environments, including high electrical noise and temperature fluctuations.
Technical Specifications
| Parameter | Specification |
|---|
| Model | NFAI141-S00 |
| Manufacturer | Yokogawa |
| Type | Analog Input Module |
| System Platform | FCN / STARDOM Controller |
| Input Channels | 16 channels (non-isolated, differential) |
| Input Signal | 4–20 mA DC / 1–5 V / 0–10 V (system dependent) |
| Resolution | 16-bit high precision |
| Accuracy | ±0.05% to ±0.1% of full scale |
| Data Refresh Cycle | ~10 ms |
| Step Response Time | ~100 ms |
| Input Resistance | 250 Ω (power ON) |
| Overcurrent Protection | 27 mA |
| Transmitter Supply | 22.8–26.4 V DC |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Power Consumption | Approx. 3–5 W |
| Weight | ~1.0 kg |
| Dimensions | 482 × 210 × 220 mm |
Applications
The NFAI141-S00 is designed for industrial environments requiring precise analog data acquisition and stable long-term operation.
Typical applications include:
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Oil & gas production monitoring systems
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Petrochemical and refinery process control
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Power generation and turbine monitoring
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Water treatment and environmental systems
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Industrial automation and manufacturing lines
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SCADA and DCS data acquisition systems
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Equipment condition monitoring and diagnostics
Its ability to handle multiple sensor types makes it suitable for both simple and complex process control architectures.
Advantages
The Yokogawa NFAI141-S00 delivers strong operational and engineering advantages:
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High-precision 16-bit conversion ensures accurate signal interpretation
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Multi-signal compatibility supports current and voltage inputs
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Fast refresh cycle (~10 ms) enables near real-time process visibility
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Stable industrial-grade architecture for continuous operation
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Strong diagnostic capability improves maintenance efficiency
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Flexible integration within STARDOM FCN systems
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Reliable performance under electrical noise and harsh environments
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Long lifecycle design for reduced downtime and maintenance cost
Technical FAQs
1. What is the main function of the NFAI141-S00 module?
It converts analog field signals into digital data for control systems.
2. How many input channels does it support?
It supports 16 analog input channels.
3. What types of signals are supported?
4–20 mA current and 1–5 V / 0–10 V voltage signals.
4. Is the module isolated?
No, it is a non-isolated differential input module.
5. What is the 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?
Yokogawa FCN / STARDOM controller systems.
8. What is its weight?
Approximately 1.0 kg.
9. Can it be used in harsh environments?
Yes, it is designed for industrial-grade conditions.
10. Does it support diagnostics?
Yes, it includes module and sensor-level diagnostics.
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