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AAI143－S50

The Yokogawa AAI143-S50 is a high-performance analog input module designed for industrial automation and process control applications. It offers precise and reliable signal acquisition, supporting 16 isolated channels with 4–20 mA current input.

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Key Specifications

Model: AAI143-S50

Channels: 16 isolated analog input channels

Input Signal: 4–20 mA DC

Allowable Input Current: Up to 24 mA

Input Resistance:

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

Power OFF: ≥500 kΩ

Accuracy: ±16 µA

Data Update Period: 10 ms

Transmitter Power Supply:

19.0 V or higher (at 20 mA)

25.5 V or less (at 0 mA, output current limit: 25 mA)

Withstanding Voltage: 1500 V AC between input and system, for 1 minute

Mounting Style: Standard

Explosion Protection: None

Temperature Range: -20°C to +60°C

Dimensions: Approximately 3.2 cm × 10.7 cm × 13 cm

Weight: Approximately 0.3 kg

✅ Key Features

Isolated Inputs: Each channel is electrically isolated, preventing ground loops and ensuring accurate measurements.

High Accuracy: Provides precise signal conversion with minimal error.

Fast Data Update: Offers a 10 ms data update period for real-time monitoring.

Flexible Power Supply: Compatible with a wide range of transmitter power supplies.

Compact Design: Space-saving form factor suitable for various industrial environments.