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AAI143-H53 S1

The YokogawaAAI143-H53 S1 is a 16-channel isolated analog input module designed for process automation and control systems. It supports 4–20 mA DC input signals, features channel-to-channel isolation, and supports dual-redundant configurations for high system reliability. It also includes HART communication and options for harsh environments.

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Technical Specifications
Feature Specification
Number of Input Channels 16, isolated
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
Withstanding Voltage 1500 V AC (input to system)
Accuracy ±16 µA
Data Update Period 10 ms
Transmitter Power Supply 19.0 V or higher (at 20 mA); up to 25.5 V (at 0 mA); ≤25 mA current limit
2-Wire / 4-Wire Configuration Settings per channel via hardware pins
Temperature Drift ±16 µA per 10 °C
Maximum Current Consumption ~230 mA @ 5 V DC; ~540 mA @ 24 V DC
Weight Approx. 0.30 kg
Terminal Connection Pressure-clamp terminal, MIL connector, or dedicated cable (KS1)
HART Communication Supported
Operational Mode Supports dual-redundant configuration
Robustness Options H53 suffix may include ISA G3 corrosion-resistant and –20 to +70 °C rated operation