English Version Yokogawa AAI143-H53 General Description The AAI143-H53 is a 16-channel isolated analog input module for Yokogawa CENTUM CS 3000 DCS systems. It provides high-precision acquisition of 4–20mA DC signals and supports HART protocol for digital communication and device management in industrial process control. Specifications Model: AAI143-H53 Type: Analog Input Module Channels: 16, fully isolated Input Signal: 4–20mA DC (max. 24mA) Protocol: HART (digital communication/diagnostics) Accuracy: ±16μA (typical) Update Period: 10ms Isolation Voltage: 1500V AC for 1 minute (input-to-system) Transmitter Power: 19–25.5V DC (2-wire/4-wire compatible) Operating Temperature: -20°C to +70°C (ISA G3) Power Consumption: 230mA @5V; 540mA @24V Dimensions/Weight: 107.5×32.8×130mm / 0.3kg Certifications: CE, UL, CSA