製品紹介
The Yokogawa NFAI841-S00 S2 Analog I/O Module is an advanced and reliable analog input/output component designed for industrial process automation systems. It belongs to the N-IO (Network I/O) family / Yokogawa, /fering high-performance signal processing and flexible configuration for complex process control applications. The S2 version enhances system safety and availability by supporting redundant architectures and advanced diagnostic features. With robust construction, precise measurement capabilities, and seamless integration with Yokogawa’s control systems such as CENTUM VP and ProSafe-RS, this module is ideal for critical industries like oil & gas, petrochemical, power generation, and water treatment.
製品仕様
| Parameter | 説明 |
|---|---|
| モデル | NFAI841-S00 S2 |
| メーカー | 横河電機 Corporation |
| Module Type | Analog Input/Output Module |
| Number / Channels | 8 (individually configurable for input/output) |
| サポートed Signals | 4–20 mA DC, ±10 V DC |
| Resolution | 16-bit A/D and D/A conversion |
| Accuracy | ±0.1% / span |
| Isolation | Channel-to-channel and channel-to-ground isolation |
| Update Time | Approx. 100 ms |
| Power Supply | 24 V DC (from baseplate) |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 10%–90% RH, non-condensing |
| Diagnostic Functions | Channel fault detection, loop integrity check |
| Mounting | Mounted on system baseplate |
| Dimensions (W × H × D) | 32.8 × 107.5 × 130 mm |
| 重量 | 0.3 kg |
| Compliance | CE, ATEX, IECEx (depending on configuration) |
Applications
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Distributed Control Systems (DCS): Integration into Yokogawa’s CENTUM VP or similar platforms for analog signal acquisition and control.
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Safety Instrumented Systems (SIS): Suitable for use in ProSafe-RS applications requiring high reliability and redundancy.
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Oil & Gas Processing: Ideal for upstream and downstream operations, including wellhead control and refinery automation.
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Power Generation: Ensures accurate monitoring and control / turbines, boilers, and auxiliary systems.
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Chemical and Petrochemical: Provides precise analog control in hazardous and corrosive environments.
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Water and Wastewater Treatment: Enables real-time measurement / flow, level, and pressure signals for process optimization.
Product Advantages
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Enhanced Reliability: The S2 version supports redundant configurations, ensuring continuous operation even in fault conditions.
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High Signal Accuracy: 16-bit resolution and ±0.1% span accuracy guarantee precise process control.
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Flexible Configuration: Each channel can be individually set as input or output, allowing a single module to handle multiple functions.
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Advanced Diagnostics: Built-in self-checks and loop monitoring enhance system health and predictive maintenance.
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Seamless Integration: Compatible with Yokogawa’s network architecture and control systems, reducing engineering complexity.
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Compact Design: Optimized for panel space while maintaining high channel density.
FAQ
-
What types / signals does the NFAI841-S00 S2 support?
It supports 4–20 mA DC current loops and ±10 V DC voltage signals. -
Can this module handle both input and output signals?
Yes, the 8 channels are configurable individually as input or output. -
What is the resolution / the analog conversion?
The module /fers 16-bit A/D and D/A conversion for high precision. -
Does the module provide galvanic isolation?
Yes, it /fers channel-to-channel and channel-to-ground isolation for safety and signal integrity. -
What is the typical response or update time?
The update cycle is approximately 100 ms per channel. -
Is the NFAI841-S00 S2 suitable for hazardous environments?
Yes, it complies with ATEX and IECEx certifications for use in hazardous areas (when installed with approved systems). -
Does it include diagnostics for fault detection?
Yes, it provides self-diagnostics, loop integrity checks, and error reporting functions. -
What power supply does the module require?
It draws 24 V DC power from the system baseplate. -
Can the module be used in redundant configurations?
Yes, the S2 version supports redundancy for high-availability systems. -
Is it hot-swappable during operation?
Yes, it supports hot-swapping when installed in a compatible Yokogawa baseplate.
Related モデルs in the Same Series
| モデル | 説明 |
|---|---|
| NFAI851-S00 | Analog Input Module, 16 channels |
| NFAT841-S00 | Analog Output Module, 8 channels |
| NFBM841-S00 | Mixed Analog I/O Module |
| NFAO841-S00 | Analog Output Module, High Density |
| NFAR841-S00 | Redundant Analog I/O Module |
| NFAI801-S00 | High-Accuracy Analog Input Module |
Popular Yokogawa モデルs
| モデル | 説明 |
|---|---|
| AAI143-S50 | Analog Input Module, 16 channels |
| AAI543-S00 | High-Density Analog Input Module |
| ADV151-S00 | Digital Output Module |
| ANB10D-420 | Communication Interface Module |
| PW482-10 | Power Supply Module for Control Systems |
| CP451-10 | Processor Module for CENTUM VP Control System |
会社情報
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