AAI143-H00/K4A00

Product Overview

The Yokogawa AAI143-H00/K4A00 is a 16-channel isolated analog input module with HART communication. It is designed for stable 4–20 mA signal acquisition in redundant industrial control systems.

Model Breakdown

• H: With HART digital communication

• 0: Always 0 (reserved)

• 0: Basic type

• K4A00: With KS cable interface adapter (ATK4A-00) for AEA4D terminal board

Analog Input Specifications

• Number of input channels: 16, isolated

• Input signal: 4 to 20 mA

• Allowable input current: 24 mA

• 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)

• Input resistance (Power OFF): 500 kΩ or more

• Accuracy: ±16 µA

• Data update period: 10 ms

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