AAI143-S50

Overview

AAI143-S50 is a 16-channel isolated analog input module by Yokogawa, designed to receive 4–20 mA signals with high accuracy and reliable isolation between inputs and the system.

General Information

• Model: AAI143 - Analog Input Module

• Suffix Code 1: S - Standard type

• Suffix Code 2: 5 - With no explosion protection

• Suffix Code 3: 0 - Basic type

Input Specifications

• Number of input channels: 16, isolated

• Input signal: 4 to 20 mA

• Allowable input current: 24 mA

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

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

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

• Accuracy: ±16 µA

• Data update period: 10 ms

Power and Signal Characteristics

• Transmitter power supply: 19.0 V or higher (at 20 mA), 25.5 V or less (at 0 mA), current limit: 25 mA

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

• Temperature drift: ±16 µA / 10 ˚C

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

• Weight: 0.3 kg

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