製品紹介
The Yokogawa NFAI141-S01 Analog Input Module is a critical component / the Yokogawa CENTUM VP and ProSafe-RS systems, providing highly accurate and reliable analog input signal acquisition for industrial process control applications. This module is designed to interface with a wide range / analog sensors, including transmitters for pressure, temperature, flow, and other process variables. By converting analog signals into precise digital values, it ensures seamless communication with the Distributed Control System (DCS), contributing to optimized control, safety, and efficiency in industrial environments.
The NFAI141-S01 is built with advanced signal isolation, noise filtering, and diagnostics features to maintain measurement integrity even in harsh operating conditions. It is an ideal choice for mission-critical industries such as oil & gas, petrochemical, power generation, and pharmaceuticals, where consistent performance and system availability are essential.
Product Parameters
| Parameter | Specification |
|---|---|
| モデル | NFAI141-S01 Analog Input Module |
| Number / Channels | 16 analog input channels |
| Input Signal Type | 4-20 mA DC, configurable |
| Input Impedance | 250 Ω (for current input) |
| Accuracy | ±0.1% / reading or better |
| Resolution | 16-bit analog-to-digital conversion |
| Update Rate | 50 ms per channel |
| Isolation | Optical isolation between channels and system bus |
| Power Supply | 24 VDC nominal |
| Diagnostic Functions | Open circuit detection, signal fault monitoring |
| Operating Temperature | -20°C to +55°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Dimensions (W × H × D) | 130 x 107.5 x 32.8 mm |
| 重量 | 0.2 kg |
Product Applications
The Yokogawa NFAI141-S01 is widely adopted in process industries for precise analog signal acquisition and integration with DCS systems. Its primary applications include:
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Refining and Petrochemical Plants: Continuous monitoring / process variables like temperature, pressure, and flow.
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Power Generation ユニットs: Capturing critical analog data for turbine control and boiler management.
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Oil & Gas Operations: Monitoring upstream and downstream processes, ensuring safe and efficient production.
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Water Treatment Plants: Maintaining accurate level and pressure data for automated control.
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Pharmaceutical Manufacturing: Achieving precise environmental and process parameter control for compliance with industry standards.
Product Advantages
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High Measurement Accuracy: Ensures reliable readings for critical control loops.
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Robust Isolation: Optical isolation minimizes interference and improves system safety.
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Advanced Diagnostics: Built-in fault detection for open circuits and abnormal signal conditions.
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Compact and Space-Efficient: High channel density reduces cabinet space requirements.
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Flexible Configuration: サポートs a wide range / analog signal types for versatile application.
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Long-Term Stability: Designed for continuous operation in harsh industrial environments.
FAQ
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What is the supported analog input range for the NFAI141-S01?
The module supports standard 4-20 mA current input signals, which are widely used in industrial process measurements. -
How many analog input channels does this module provide?
It provides 16 isolated analog input channels, allowing multiple field devices to be connected simultaneously. -
Does the module include signal isolation?
Yes, each channel is optically isolated from the system bus to prevent electrical interference and ensure safe operation. -
What is the resolution / the analog-to-digital conversion?
The module uses 16-bit resolution, enabling accurate digital representation / analog signals. -
What kind / diagnostic functions are available?
The module provides open-circuit detection and abnormal signal monitoring, ensuring quick identification / input faults. -
Can each channel be configured independently?
Yes, channels can be individually configured for signal type and range to accommodate different field devices. -
What is the data update rate per channel?
The update rate is approximately 50 ms per channel, making it suitable for fast control applications. -
How does the module handle noise in industrial environments?
The NFAI141-S01 incorporates filtering and robust isolation to minimize signal noise and maintain measurement accuracy. -
Is redundancy supported with this module?
Yes, redundancy can be implemented at the system level for improved reliability and fault tolerance. -
What interface does the module use to communicate with the control system?
It uses Yokogawa’s proprietary system bus for seamless integration with CENTUM VP or ProSafe-RS systems.
Recommended Related モデルs (Same Series or Similar Function)
| モデル | 説明 |
|---|---|
| NFAI141-S00 | Standard Analog Input Module |
| NFAI141-S10 | Analog Input Module with advanced isolation |
| NFAI141-H00 | High-performance analog input module |
| NFAI141-H10 | High-speed analog input module |
| NFAI145-S00 | Analog Input Module with extended diagnostics |
| NFAM141-S00 | Mixed Analog Input/Output Module |
Popular Yokogawa モデルs
| モデル | 説明 |
|---|---|
| NFAT141-S00 | Analog Output Module |
| NFAI143-S00 | High-density Analog Input Module |
| NFAP141-S00 | Pulse Input Module |
| NFAM141-S00 | Mixed Signal Module |
| NFAI141-S01 | Analog Input Module |
| NFAI141-S30 | Safety-certified Analog Input Module |
会社情報
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