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AAI143－H50

The Yokogawa AAI143-H50 is a high-performance analog input module designed for industrial automation and process control applications. It offers 16 isolated input channels that accept 4–20 mA signals, ensuring precise and reliable data acquisition from field devices such as sensors and transmitters. The module features HART communication, enabling enhanced device configuration and real-time monitoring.

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Key Specifications

Model: AAI143-H50

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 or larger

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

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)

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.