Yokogawa NFAI143-H50/A4S00 Analog Input Module

Overview

The Yokogawa NFAI143-H50/A4S00 is a high-performance Analog Input Module. It is engineered for precise industrial automation control. With 16 isolated channels, it supports 4 to 20 mA signals. This module ensures accurate signal acquisition and robust electrical isolation. It suits both 2-wire and 4-wire transmitter setups. You can configure each channel individually for flexible operation. Additionally, it provides a stable transmitter power supply with overload protection. Its rugged design supports safe, reliable, and continuous operation in harsh environments.

Technical Specifications

Model Number: NFAI143-H50/A4S00
Type: Analog Input Module
Manufacturer: Yokogawa

• Input Channels: 16 isolated channels

• Input Signal Range: 4 to 20 mA

• Withstanding Voltage: 1500 V AC for 1 minute between input and system

• Input Resistance:

• 250 Ω when powered on

• 500 kΩ or more when powered off

• Transmitter Power Supply:

• Voltage: 24.0 to 25.5 V

• Current Limit: 25 mA

• Configuration:

• Supports 2-wire or 4-wire transmitters

• Channel-configurable using setting pins

• Maximum Current Consumption:

• 230 mA at 5 V DC

• 540 mA at 24 V DC

• External Connection:

• Pressure clamp terminal

• MIL connector cable