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.
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