Yokogawa AAI143-H50/A4S10 Analog Input Module

Overview

The Yokogawa AAI143-H50/A4S10 is a high-performance analog input module. It delivers precise signal processing and reliable performance. It supports 16 isolated input channels with 4–20 mA signals. The module fits perfectly in industrial automation and process control systems. Additionally, it supports HART communication and redundant dual-bus interfaces for enhanced reliability.

Technical Specifications

• Product Type: Analog Input Module

• Manufacturer: Yokogawa

• Model Number: AAI143-H50/A4S10

• Number of Input Channels: 16 isolated

• Input Signal: 4 to 20 mA DC

• Measurement Capability: pH, ORP, DO, EC, TDS, SDI

• Network Compatibility: Yokogawa CENTUM CS 3000 R3 DCS

• Redundant Design: Dual-bus electrical interface

• Communication Protocol: HART

• Connector Type: Pressure clamp terminal block

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

• Input Resistance:

• Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)

• Power OFF: ≥500 kΩ

• Accuracy: ±16 µA

• Data Update Period: 10 ms

• Transmitter Power Supply: 19.0 V to 25.5 V

• Output Current Limit: 25 mA

• Temperature Drift: ±16 µA per 10 °C

• Maximum Current Consumption:

• 230 mA (5 V DC)

• 540 mA (24 V DC)

• Weight: 0.3 kg