AAI143-H53/K4A00

Overview

AAI143-H53/K4A00 is a Yokogawa 16-channel isolated analog input module designed for 4–20 mA signals with HART support, high-temperature tolerance, and robust environmental protection for critical automation systems.

Suffix & Option Codes

• H: Supports digital communication (HART protocol)

• 5: No explosion protection

• 3: Includes ISA G3 environment and –20 to +70 °C temperature support

• /K4A00: KS Cable Interface Adapter for AEA4D terminal board (Model: ATK4A-00)

Input Specifications

• Input Channels: 16, isolated

• Input Signal: 4 to 20 mA

• Allowable Input Current: 24 mA

• Input Resistance:

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

• Power OFF: ≥500 kΩ

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

• Transmitter Power Supply:

• ≥19.0 V at 20 mA

• ≤25.5 V at 0 mA

• Output Current Limit: 25 mA

• 2-wire/4-wire Setting: Configurable per channel via setting pin

Performance & Communication

• Accuracy: ±16 µA

• Data Update Period: 10 ms

• Temperature Drift: ±16 µA per 10 °C

• External Communication: Pressure clamp terminal, MIL connector, KS1 cable

Power & Physical

• Power Consumption:

• 230 mA at 5 V DC

• 540 mA at 24 V DC

• Weight: 0.3 kg

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