製品紹介
The Yokogawa NFAI143-H50/A4AS0 Analog Input Module is a high-performance component within Yokogawa’s advanced control system architecture, designed to provide precise and reliable analog signal acquisition for critical industrial processes. It is specifically tailored for use in distributed control systems (DCS) such as CENTUM VP and safety instrumented systems like ProSafe-RS. This module ensures accurate conversion / analog signals from field instruments into digital data for monitoring, control, and safety functions.
The NFAI143-H50/A4AS0 supports multiple analog channels with superior noise imm台y and isolation, making it ideal for harsh industrial environments. Built-in diagnostics and HART communication capabilities enable seamless integration with smart field devices, providing advanced process insight and predictive maintenance. Its robust design complies with international standards for reliability and safety, making it suitable for industries requiring continuous and high-integrity operations.
Product Parameters
| Parameter | Specification |
|---|---|
| モデル | NFAI143-H50/A4AS0 Analog Input Module |
| Number / Channels | 16 channels (analog input) |
| Signal Type | 4-20 mA DC current input; HART-enabled |
| Input Impedance | 250 Ω typical |
| Resolution | 16-bit A/D conversion |
| Accuracy | ±0.1% / reading |
| Update Rate | Approx. 50 ms per channel |
| Isolation | Optical isolation between channels and system bus |
| HART Communication | サポートed (digital communication over 4-20 mA) |
| Diagnostics | Open circuit detection, signal range checks, self-diagnosis |
| Power Supply | 24 VDC nominal |
| 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 | 0.3 kg |
Product Applications
The NFAI143-H50/A4AS0 Analog Input Module is widely used in industrial automation and process control applications where precise analog data acquisition is critical for safety, efficiency, and compliance. Its main application areas include:
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Oil and Gas Industry: Monitoring pressure, temperature, and flow in upstream and downstream operations.
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Chemical and Petrochemical Plants: Acquiring process signals for critical control loops and safety interlocks.
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Power Generation: Supervising boiler, turbine, and auxiliary equipment operations.
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Water and Wastewater Management: Monitoring flow, level, and chemical dosing for process optimization.
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Pharmaceutical Manufacturing: Ensuring accurate process parameters for regulated environments.
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Pulp and Paper Industry: Measurement and control / temperature, pressure, and flow for continuous processes.
Product Advantages
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High Accuracy and Resolution: 16-bit precision ensures reliable measurement / process variables.
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HART Protocol サポート: Enables remote configuration, diagnostics, and calibration / smart field instruments.
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Advanced Diagnostics: Built-in error detection and self-test functions improve reliability and reduce downtime.
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High Noise Imm台y: Designed to operate in environments with strong electrical interference.
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Compact and Modular Design: 保存s panel space and simplifies installation.
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Seamless Integration: Fully compatible with Yokogawa’s CENTUM VP and ProSafe-RS systems for distributed control and safety applications.
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Enhanced Reliability: Robust design suitable for mission-critical operations in harsh environments.
FAQ
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What input signal standard does the NFAI143-H50/A4AS0 support?
It supports 4-20 mA DC current input signals with HART protocol capability. -
How many channels does this module provide?
It /fers 16 analog input channels for signal acquisition. -
Is HART communication supported on all channels?
Yes, the module fully supports HART communication for all input channels. -
What is the resolution / the A/D converter?
The module uses a 16-bit analog-to-digital conversion for high precision. -
What type / isolation is provided?
Optical isolation is implemented between input channels and the system bus to prevent signal interference. -
What diagnostic features are available?
The module /fers open-circuit detection, out-/-range signal detection, and self-diagnosis. -
What is the module’s update rate?
Approximately 50 milliseconds per channel. -
Can this module be used in redundant systems?
Yes, it is designed for integration in redundant and fault-tolerant control systems. -
Does it support signal filtering?
Yes, the module includes configurable filtering for noise suppression. -
What communication systems is the module compatible with?
It integrates seamlessly with Yokogawa’s CENTUM VP and 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 |
| NFAI143-H50 S1 | High-density Analog Input Module |
| NFAI145-S00 | Extended Analog Input Module |
| NFAM141-S00 | Mixed Analog Input/Output Module |
| NFAI141-H10 | Analog Input Module with HART サポート |
| NFAI143-500/A4500 | Advanced Analog Input Module |
Popular Yokogawa モデルs
| モデル | 説明 |
|---|---|
| NFAT141-S00 | Analog Output Module |
| NFAD141-S00 | Digital Input Module |
| NFAP141-S00 | Pulse Input Module |
| NFAM141-S00 | Mixed Analog I/O Module |
| NFAI141-S30 | Safety-certified Analog Input Module |
| NFAI143-H50/A4AS0 | High-precision Analog Input Module |
会社情報
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