AAI143-H00/A4S00

Overview

AAI143-H00/A4S00 is a Yokogawa 16-channel analog input module for 4–20 mA signals with isolated inputs and optional HART communication.

Electrical Inputs

• Number of 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

• Accuracy: ±16 µA

• Data Update Period: 10 ms

Transmitter & Communication

• Transmitter Power Supply: 19–25.5 V, output current limit 25 mA

• 2-wire/4-wire Configuration: Configurable per channel via pins

• Digital Communication: HART protocol (H suffix)

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

Electrical Protection & Stability

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

• Temperature Drift: ±16 µA per 10°C

• Maximum Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)

Configuration Suffix

• H: With HART digital communication

• 0: Always 0

• 0: Basic type

• A4S00: With Pressure Clamp Terminal Block

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