产品介绍
The Yokogawa NFAI841-S50 S2 Analog I/O Module is a high-precision, multi-functional module designed for industrial automation and process control environments. As part / Yokogawa’s N-IO (Network I/O) family, this module combines reliability, scalability, and advanced diagnostics to meet the stringent requirements / modern distributed control systems (DCS) and safety instrumented systems (SIS). The S2 designation signifies enhanced safety and redundancy capabilities, ensuring uninterrupted operation even in critical process applications.
The NFAI841-S50 S2 module /fers flexibility by supporting both analog input and output signals on a single platform, reducing system complexity and improving engineering efficiency. Designed for harsh industrial conditions, it ensures high measurement accuracy, fast response times, and long-term stability.
产品规格
| Parameter | 描述 |
|---|---|
| 型号 | NFAI841-S50 S2 |
| 制造商 | 横河 Corporation |
| Module Type | Analog Input/Output Module |
| Number / Channels | 8 configurable channels (input/output) |
| Signal Types | 4–20 mA DC, ±10 V DC |
| Resolution | 16-bit A/D and D/A conversion |
| Accuracy | ±0.1% / span |
| Update Rate | Approximately 100 ms |
| Isolation | Channel-to-channel and channel-to-ground isolation |
| Power Supply | 24 V DC from baseplate |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 10%–90% RH, non-condensing |
| Diagnostic Features | Loop integrity check, self-diagnosis |
| Redundancy 支持 | Yes, S2 version supports system redundancy |
| Mounting Method | Mounted on dedicated Yokogawa baseplate |
| Dimensions (W × H × D) | 32.8 × 107.5 × 130 mm |
| 重量 | 0.3 kg |
| Certifications | CE, ATEX, IECEx (depending on system configuration) |
Applications
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Distributed Control Systems (DCS): Provides reliable analog signal acquisition and output for continuous and batch process control.
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Safety Instrumented Systems (SIS): Fully compatible with ProSafe-RS, ensuring safe operations in critical environments.
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Oil & Gas: Suitable for wellhead monitoring, pipeline control, and refinery automation.
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Power Generation: Ensures accurate signal control in boilers, turbines, and auxiliary systems.
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Chemical & Petrochemical: Handles process variables in hazardous zones requiring strict compliance.
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Water and Wastewater Treatment: 支持s accurate level, flow, and pressure control for municipal and industrial applications.
Product Advantages
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Enhanced Safety and Reliability: S2 redundancy ensures continuous system operation even during component failure.
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High Accuracy and Stability: ±0.1% span accuracy and 16-bit resolution guarantee precise measurement and control.
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Configurable Flexibility: All eight channels can be configured as input or output, reducing hardware variety.
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Advanced Diagnostics: Loop integrity check and self-diagnostics minimize downtime and enable predictive maintenance.
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Hot-Swap Capability: Allows replacement without shutting down the system, improving plant availability.
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Seamless Integration: Optimized for Yokogawa’s control architecture, reducing engineering and commissioning time.
FAQ
-
What signal standards does the NFAI841-S50 S2 support?
It supports 4–20 mA DC current and ±10 V DC voltage signals. -
Are channels configurable as both input and output?
Yes, all eight channels can be individually configured for either input or output. -
What is the resolution / this module?
The module provides 16-bit resolution for both analog-to-digital and digital-to-analog conversion. -
Does it provide electrical isolation?
Yes, the module /fers channel-to-channel and channel-to-ground galvanic isolation. -
What is the typical update cycle?
The update time is approximately 100 milliseconds. -
Is it suitable for redundant configurations?
Yes, the S2 version is designed for redundancy in critical control systems. -
Does it support diagnostic features?
Yes, it includes self-diagnosis, loop integrity monitoring, and fault detection. -
What power does the module require?
It operates on 24 V DC, supplied through the system backplane. -
Can the module be hot-swapped during operation?
Yes, the module supports hot-swapping without process interruption. -
Is the module certified for hazardous environments?
Yes, it complies with ATEX and IECEx certifications when used in approved systems.
Related 型号s in the Same Series
| 型号 | 描述 |
|---|---|
| NFAI841-S00 | Analog I/O Module, Standard Version |
| 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 |
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|---|---|
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公司信息
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