製品紹介
The Yokogawa NFAI841-S00/A4S00 Analog I/O Module is a high-performance component engineered for modern process control systems. It is designed to handle precise analog signal processing for critical industrial environments, /fering both input and output functions in a single compact module. Belonging to the N-IO series, this module combines flexibility, reliability, and accuracy, making it an essential part / distributed control systems (DCS) and safety instrumented systems (SIS). Its advanced diagnostic features, configurable channels, and seamless integration capabilities make it suitable for complex and high-demand industrial applications.
製品仕様
| Parameter | 説明 |
|---|---|
| モデル | NFAI841-S00/A4S00 |
| メーカー | 横河電機 Corporation |
| Type | Analog Input/Output Module |
| Number / Channels | 8 (individually configurable as input/output) |
| Signal Types | 4–20 mA DC, ±10 V DC |
| Resolution | 16-bit for both A/D and D/A conversion |
| Accuracy | ±0.1% / span |
| Update Rate | Approx. 100 ms |
| Isolation | Channel-to-channel and channel-to-ground isolation |
| Power Supply | 24 V DC (supplied via baseplate) |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 10%–90% RH, non-condensing |
| Diagnostic Functions | Self-diagnosis, loop integrity check |
| Mounting | System baseplate |
| Dimensions (W × H × D) | 32.8 × 107.5 × 130 mm |
| 重量 | 0.3 kg |
| Certifications | CE, ATEX, IECEx (varies by configuration) |
Applications
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Distributed Control Systems (DCS): Provides accurate acquisition and output / analog signals for process automation systems.
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Safety Instrumented Systems (SIS): Compatible with Yokogawa ProSafe-RS for high-availability safety-critical processes.
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Oil & Gas: Handles precise monitoring and control in upstream, midstream, and downstream operations.
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Power Generation: Used for control and monitoring / turbines, boilers, and auxiliary systems.
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Chemical & Petrochemical: Ensures precise control under hazardous environmental conditions.
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Water Treatment & Utilities: Ideal for monitoring flow, pressure, and level parameters in water and wastewater plants.
Product Advantages
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Dual Functionality: サポートs both analog input and output within one module, reducing hardware requirements.
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High Accuracy: Maintains ±0.1% span accuracy with 16-bit resolution for superior process performance.
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Advanced Diagnostics: Built-in loop integrity and self-diagnostic functions improve reliability and predictive maintenance.
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Flexible Channel Configuration: Each channel can be configured as input or output, providing engineering flexibility.
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Redundancy サポート: Compatible with redundant systems to ensure continuous process operation.
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Compact Design: Optimized size for control panels while delivering high channel density.
FAQ
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What types / analog signals are supported by the NFAI841-S00/A4S00?
It supports 4–20 mA DC and ±10 V DC signals for both inputs and outputs. -
Does the module allow channel configuration individually?
Yes, all 8 channels can be configured as either input or output. -
What is the resolution for signal conversion?
It provides 16-bit resolution for both analog-to-digital and digital-to-analog conversions. -
Is isolation provided for all channels?
Yes, it /fers isolation between channels and between channel and ground for electrical safety. -
What is the update cycle / the module?
The typical update time is approximately 100 ms for all channels. -
Can the module be used in redundant systems?
Yes, it supports redundancy when implemented with a compatible Yokogawa baseplate and system. -
Does the NFAI841-S00/A4S00 have built-in diagnostic features?
Yes, it includes self-diagnosis, channel fault detection, and loop monitoring capabilities. -
What is the power requirement for the module?
It operates on 24 V DC supplied through the system baseplate. -
Is hot-swapping supported for this module?
Yes, it can be hot-swapped without shutting down the system, provided redundancy is enabled. -
Is the module compliant with hazardous area certifications?
Yes, it complies with ATEX and IECEx certifications for use in hazardous environments (specific variants).
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 | High-Density Analog Output Module |
| 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 | 16-Channel Analog Input Module |
| 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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