Yokogawa AAI143-S00 Analog Input Module

Overview

The Yokogawa AAI143-S00 is a high-performance analog input module. It supports 16 isolated channels for precise signal acquisition. It fits Yokogawa's CENTUM and ProSafe-RS control systems. Industries such as oil & gas, power generation, and water treatment widely use it. The module ensures accurate and reliable monitoring in harsh environments.

Technical Specifications

• Model: AAI143-S00

• Type: Analog Input Module

• Number of Channels: 16 isolated input channels

• Input Signal Range: 4 to 20 mA DC

• Allowable Input Current: Up to 24 mA

• Accuracy: ±16 µA

• Data Update Period: 10 ms

• Input Resistance:

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

• Power OFF: 500 kΩ or larger

• Transmitter Power Supply: 19.0 V minimum (at 20 mA), up to 25.5 V (at 0 mA)

• Isolation: Channel-to-channel isolation for enhanced signal integrity

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

• Drift due to Ambient Temperature: ±16 µA per 10°C

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

• Communication Interface: Modbus RTU

• Power Supply: 24 VDC

• Operating Temperature: −20°C to +70°C (with optional G3 coating)

• Dimensions: 13 cm × 3 cm × 13 cm

• Weight: 0.3 kg