Yokogawa NFAI143-S50 High-Precision 16-Channel Analog Input Module for STARDOM and Industrial Automation Systems
Yokogawa NFAI143-S50 High-Precision 16-Channel Analog Input Module for STARDOM and Industrial Automation Systems
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Brand:Yokogawa Electric Item No.:Yokogawa NFAI143-S50 Product Origin:Japan Product Dimensions:482 × 210 × 220 mm Product Weight:0.30 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Yokogawa NFAI143-S50 Analog Input Module is designed to deliver precise and reliable acquisition of analog signals within advanced industrial automation environments. Built for Yokogawa’s STARDOM and compatible control architectures, this module efficiently converts field current signals from sensors and transmitters into digital data for processing by the control system.
With support for multiple analog channels and high-accuracy signal measurement, the NFAI143-S50 plays a key role in process monitoring and plant control. It allows engineers to collect real-time data from instruments such as flow transmitters, pressure sensors, temperature transmitters, and level devices.
The module features channel-to-channel electrical isolation to minimize interference and ensure signal integrity in electrically noisy industrial environments. Its robust hardware design, combined with precise measurement capabilities, makes the NFAI143-S50 a dependable solution for demanding process industries including power generation, petrochemical plants, and manufacturing automation systems.
Technical Specifications
Parameter
Specification
Brand
Yokogawa
Model
NFAI143-S50
Module Type
Analog Input Module
Input Channels
16 isolated channels
Input Signal Type
4–20 mA / 0–20 mA current signals
Resolution
16-bit
Measurement Accuracy
±0.1% of full scale
Data Refresh Cycle
10 ms
Step Response Time
100 ms
Isolation
Channel-to-channel electrical isolation
Transmitter Power Supply
24.0–25.5 V DC (25 mA current limit)
Input Resistance
250 Ω (power on), ≥500 kΩ (power off)
Maximum Current Consumption
230 mA (5 V DC), 540 mA (24 V DC)
External Connection
MIL 40-pin connector / pressure clamp terminal
Operating Temperature
−20°C to +70°C
Dimensions (L×W×H)
482 × 210 × 220 mm
Weight
0.30 kg
The module captures analog current signals from field transmitters and converts them into digital data for system processing, supporting reliable process monitoring in industrial control systems.
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Applications
The Yokogawa NFAI143-S50 module is widely deployed in industrial automation systems where accurate analog signal acquisition is essential.
Typical applications include:
Distributed Control Systems (DCS)
STARDOM modular controller systems
Oil and gas processing plants
Power generation facilities
Chemical and petrochemical production
Industrial process monitoring
Environmental monitoring systems
Factory automation and process data acquisition
The module enables precise monitoring of process variables such as pressure, temperature, flow, and level measured by field transmitters.
Advantages
High-Precision Analog Measurement
With ±0.1% accuracy and 16-bit resolution, the module ensures highly reliable signal conversion for process control applications.
Multi-Channel Signal Acquisition
Sixteen input channels allow simultaneous monitoring of multiple field devices, reducing system complexity.
Strong Electrical Isolation
Channel-to-channel isolation improves signal quality and protects the control system from electrical noise.
Industrial-Grade Reliability
Designed for harsh plant environments, the module maintains stable operation across wide temperature ranges.
Flexible Integration
Compatible with Yokogawa STARDOM and other industrial control platforms for easy system expansion.
Efficient Data Processing
Fast data refresh and response times ensure real-time monitoring and control.
Technical FAQs
1. What is the main purpose of the NFAI143-S50 module?
It collects analog current signals from field sensors and converts them into digital data for industrial control systems.
2. How many input channels does the module support?
The NFAI143-S50 supports 16 isolated analog input channels.
3. What input signal types are supported?
The module processes 4–20 mA and 0–20 mA current signals commonly used in industrial instrumentation.
4. What measurement accuracy does the module provide?
It offers approximately ±0.1% full-scale accuracy for reliable process monitoring.
5. Does the module provide electrical isolation?
Yes, each channel is electrically isolated to improve signal stability and reduce interference.
6. What type of connectors are used for wiring?
The module uses a MIL 40-pin connector and compatible terminal boards for signal connections.
7. What power supply is required?
It operates with a 24 V DC transmitter power supply.
8. What industries typically use this module?
Industries such as oil & gas, power generation, manufacturing, and chemical processing widely deploy it.
9. What systems support the NFAI143-S50 module?
It is commonly used with Yokogawa STARDOM controllers and other industrial automation platforms.
10. Why choose the NFAI143-S50 for industrial control systems?
Its combination of multi-channel capability, high measurement accuracy, and robust industrial design makes it a dependable solution for precise analog data acquisition.
