Overview
The Yokogawa AAI143-S00/K4A00 is a 16-channel analog input module used in Yokogawa DCS systems. It accepts 4–20 mA or 1–5 V signals from field transmitters and provides accurate and isolated signal conversion for industrial automation and process control.
General Information
Part Number: AAI143-S00/K4A00
Manufacturer: Yokogawa
Brand / Country of Origin: Yokogawa / Japan
Series: AAI Series
Type: Analog Input Module
Mounting: Rack-mounted within the system chassis
Power Specifications
Supply Voltage: +5 V DC and +24 V DC
Power Consumption: Approx. 230 mA at 5 V, 540 mA at 24 V
Transmitter Supply: 19.0–25.5 V DC (current limited at 25 mA)
Isolation: 1500 V AC between input and system
Communication & Interface
Input Signal: 4–20 mA or 1–5 V DC
Number of Channels: 16
Input Resistance: 270 Ω at 20 mA, 350 Ω at 4 mA
Accuracy: ±16 µA
Update Period: 10 ms
Environmental
Operating Temperature: 0 °C to +60 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20
Dimensions & Weight
Dimensions (L × W × H): 107.5 × 32.8 × 130 mm
Weight: 0.3 kg
