AAI143-S53/K4A00

Overview

AAI143-S53/K4A00 is a Yokogawa analog input module with 16 isolated channels, supporting 4–20 mA signals and HART communication.

Channels & Input

• Number of input channels: 16, isolated

• Input signal: 4–20 mA

• Allowable input current: 24 mA

• Input resistance:

• Power ON: 270–350 Ω

• Power OFF: ≥500 kΩ

• Transmitter power supply: 19–25.5 V (output current limit: 25 mA)

• 2-wire / 4-wire transmitter setting: Configurable per channel

Accuracy & Performance

• Accuracy: ±16 µA

• Data update period: 10 ms

• Temperature drift: ±16 µA / 10 °C

• Withstand voltage: 1500 V AC between input and system for 1 minute

• Maximum current consumption: 230 mA (5 V DC), 540 mA (24 V DC)

Communication & Interfaces

• External communication: Pressure clamp terminal, MIL connector cable, dedicated KS1 cable

• HART communication: Available

Model & Options

• Model: AAI143

• Suffix codes:

• -S: Standard type

• 5: No explosion protection

• 3: ISA Standard G3, temperature −20 to 70 °C

• Option codes: /K4A00: KS cable interface adapter for AEA4D terminal board (Model: ATK4A-00)

Physical Data

• Weight: 0.3 kg

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