Description
Product Description
Overview
The Yokogawa AAI143-H00/A4S00 is a high-precision 16-channel analog input module designed for industrial process control systems. It supports 4-20 mA input signals with full channel isolation, ensuring accurate data acquisition and reliable operation in demanding environments. Ideal for integrating multiple transmitters in distributed control systems, this module offers flexible wiring options and HART communication compatibility.
Technical Specifications
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Model / Part Number: AAI143-H00/A4S00
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Number of Input Channels: 16, isolated
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Input Signal Range: 4 to 20 mA
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Maximum Input Current: 24 mA
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Withstanding Voltage: 1500 V AC between input and system for 1 minute
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Input Resistance:
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Measurement Accuracy: ±16 microamperes
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Data Update Interval: 10 milliseconds
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Transmitter Power Supply: 19.0 to 25.5 V DC, output current limited to 25 mA
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Transmitter Wiring Configuration: Configurable per channel for 2-wire or 4-wire transmitters via setting pins
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Temperature Drift: ±16 microamperes per 10 °C change
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Maximum Current Consumption: 230 mA at 5 V DC, 540 mA at 24 V DC
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External Communication: Pressure clamp terminal, MIL connector cable, or dedicated KS1 cable
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HART Protocol Support: Yes (H type)
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Module Variants: Basic type (0), Pressure Clamp Terminal Block (A4S00)
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Weight: 0.3 kg
Applications
This module is suitable for high-reliability process monitoring, including chemical plants, power generation, and water treatment facilities. It can interface with multiple 4-20 mA transmitters simultaneously while maintaining channel isolation and signal integrity.
FAQ
Q: Can this module handle 2-wire and 4-wire transmitters simultaneously?
A: Yes, each channel can be configured individually using the setting pins.
Q: Does it support HART communication?
A: Yes, the H variant supports digital communication via HART protocol.
Q: What is the typical update rate for measurements?
A: The module updates analog input data every 10 milliseconds.
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