Description
Overview
The Yokogawa AAI143-H50 is a high-performance current input module designed for industrial automation and control applications. It supports 16 isolated input channels with an input signal range of 4 to 20 mA, making it ideal for various process control tasks. This module is equipped with advanced HART communication capabilities, ensuring compatibility with a wide range of field devices.
Technical Specifications
The following table provides a comprehensive overview of the AAI143-H50 module’s key features and technical specifications:
| Specification | Details |
|---|---|
| Brand | Yokogawa |
| Model | AAI143-H50 |
| Number of Input Channels | 16 (isolated) |
| Input Signal | 4 to 20 mA |
| Allowable Input Current | 24 mA |
| Withstanding Voltage | 1500 V AC (1 minute, input to system) |
| Input Resistance (Power ON) | 270 Ω (20 mA) to 350 Ω (4 mA) |
| Input Resistance (Power OFF) | 500 kΩ or larger |
| Accuracy | ±16 µA |
| Data Update Period | 10 ms |
| Transmitter Power Supply | 19.0 V (at 20 mA) to 25.5 V (at 0 mA) |
| 2-wire or 4-wire Transmitter Setting | Per channel via setting pin |
| Temperature Drift | ±16 µA/10°C |
| Maximum Current Consumption | 230 mA (5 V DC), 540 mA (24 V DC) |
| Weight | 0.3 kg |
| External Communication | Pressure clamp terminal, MIL connector cable, dedicated cable (KS1) |
| HART Communication | Available |
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