Product Overview
The Yokogawa NFAI835 Analog Input/Output Module is a high-performance module designed for Yokogawa’s distributed control systems (DCS). It provides accurate analog signal acquisition and output, allowing precise monitoring and control / industrial processes.This module supports multiple analog input and output channels, /fering high-resolution measurements and robust signal conditioning. Its reliable design ensures stable operation in harsh industrial environments, making it suitable for applications in power generation, petrochemical, and manufacturing industries.
Key Features
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High-precision analog input and output for process control
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サポートs multiple channels for versatile signal acquisition
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Compatible with Yokogawa NFA series DCS systems
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Robust isolation to prevent signal interference
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Compact design for easy installation in NFA racks
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High reliability for continuous industrial operation
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Resistant to electrical noise and harsh environmental conditions
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Easy to maintain and replace without system downtime
Technical Specifications
| Item | Specification |
|---|---|
| メーカー | Yokogawa |
| 型番 | NFAI835 |
| Product Type | Analog Input/Output Module |
| Input Channels | 8 analog input channels |
| Output Channels | 4 analog output channels |
| Input Type | 4–20 mA, 0–10 V, or configurable ranges |
| Output Type | 4–20 mA, 0–10 V |
| Resolution | 16-bit A/D and D/A conversion |
| Response Time | < 20 ms |
| Isolation | 1500 V AC between channels and backplane |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –20 °C to +70 °C |
| Humidity | 5–95% RH, non-condensing |
| Mounting | NFA series rack |
| Dimensions | 150 × 90 × 50 mm |
| 重量 | 0.6 kg |
| Applications | Analog signal monitoring and control in industrial processes |
Industry Applications
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Power generation and distribution
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Petrochemical and chemical plants
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Oil and gas processing
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Water and wastewater treatment
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Manufacturing and process automation
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Distributed control systems (DCS) monitoring
よくある質問 (FAQ)
Q1: What is the primary function / the NFAI835 module?
It acquires and outputs high-precision analog signals for process monitoring and control.
Q2: How many input and output channels does it have?
8 analog input channels and 4 analog output channels.
Q3: What types / input signals are supported?
4–20 mA, 0–10 V, or other configurable ranges.
Q4: What types / output signals are supported?
4–20 mA or 0–10 V signals.
Q5: Can it operate in high-temperature environments?
Yes, its operating range is 0 °C to +55 °C.
Q6: What isolation does the module provide?
1500 V AC isolation between channels and the backplane.
Q7: Is it suitable for harsh industrial environments?
Yes, it is resistant to electrical noise, vibration, and industrial contaminants.
Q8: How is the module mounted?
It is mounted in NFA series racks for secure and organized installation.
Related Yokogawa Modules
| モデル | 説明 |
|---|---|
| NFAI831 | 8-channel Analog Input Module |
| NFAO832 | 8-channel Analog Output Module |
| NFAI833 | 16-channel Analog Input Module |
| NFAO834 | 16-channel Analog Output Module |
| NFAI836 | High-precision Analog Input/Output Module |
| NFAI837 | Fast-response Analog Input Module |
Popular Yokogawa Modules
| モデル | 説明 |
|---|---|
| NFAI835 | 8-channel Analog Input/Output Module |
| NFAI831 | 8-channel Analog Input Module |
| NFAO832 | 8-channel Analog Output Module |
| NFAI836 | High-precision Analog Input/Output Module |
| PW442-10-S2 | 10 A Power Module |
| SDV144 | 16-channel Digital Input Module |
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