NFAI143-S50 S1 Overview
The Yokogawa NFAI143-S50 S1 Analog Input Module is a robust 16-channel analog input module, handling 4-20mA signals with HART communication. It features high ±0.1% accuracy, transmitter power supply, and electrical isolation, ensuring reliable performance in demanding industrial applications.
Features and benefits
• High-Density Input: 16-channel isolated input for 4-20mA signals.
• High Accuracy: Exceptional ±0.1% of full scale accuracy.
• Rapid Response: 10ms data refresh and 100ms step response.
• Transmitter Power Supply: Integrated 24-25.5V supply for field devices.
• Comprehensive Protection: Features overcurrent protection and high withstanding voltage.
• Advanced Protocol Support: Equipped with HART communication capability.
FAQ
Q1: What is the model and primary function of this module?
A1: It is the Yokogawa NFAI143-S50 S1, a 16-channel analog input module for 4-20mA signals.
Q2: What is its measurement accuracy?
A2: It provides a high accuracy of ±0.1% of full scale.
Q3: Does it support the HART communication protocol?
A3: Yes, the module supports HART communication functions.
Q4: Can it power field transmitters?
A4: Yes, it includes a transmitter power supply (24.0 to 25.5V) with a 25 mA current limit.
Q5: What safety features does it have?
A5: It offers overcurrent protection, electrical isolation, and a high withstanding voltage of 1500 V AC for system safety.






For the quick assistance message us on WhatsApp at 








