
YOKOGAWA AAI143-S00 Module
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Yokogawa
Description
Yokogawa AAI143‑S00 Analog Input Module
Core Specifications
Basic Identity
- Model: AAI143‑S00
- Series: CENTUM VP / ProSafe‑RS
- Type: Isolated analog input (current)
- Channels: 16, fully isolated
- Input Signal: 4–20 mA DC
- HART: Supported (per channel)
- Suffix: S = Standard; 0 = Basic version
Electrical
- Input Resistance: 270 Ω (20 mA) to 350 Ω (4 mA)
- Accuracy: ±16 µA
- Temperature Drift: ±16 µA / 10 °C
- Data Update Period: 10 ms
- Isolation: 1500 V AC (1 min) between input and system
- Transmitter Power: 19.0–25.5 V DC (current limit: 25 mA)
- 2‑wire / 4‑wire: Configurable per channel via DIP switch
Power Consumption
- 5 V DC (internal): 230 mA
- 24 V DC (external): 540 mA
Physical
- Weight: ~0.3 kg
- Connectors: Pressure clamp / MIL connector / dedicated KS1 cable
- Operating Temp: 0–50 °C
- Humidity: 5–95% RH (non‑condensing)
Key Features
- 16‑channel isolation: High noise immunity and safety
- HART support: Digital communication with field transmitters
- Transmitter power supply: Eliminates need for external power supplies
- Per‑channel configuration: 2‑wire / 4‑wire selectable
- High accuracy: ±16 µA for precise process measurement
- Fast update: 10 ms for real‑time control






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