YOKOGAWA AAI143-H50K4A00

YOKOGAWA AAI143-H50K4A00

The YOKOGAWA AAI143-H50K4A00 is a high-performance 16-channel isolated analog input module designed for the CENTUM VP, CS3000, and ProSafe-RS DCS platforms. Built for precision process data acquisition, it delivers exceptional accuracy, robust isolation, and seamless HART communication for industrial automation applications.

Key Technical Specifications

• Model: AAI143-H50K4A00 (H50=High Function, K4A00=KS Cable Adapter)
• Channel Count: 16 independent, galvanically isolated channels
• Input Signal: 4–20mA DC (compatible with 0–20mA); max input 24mA
• Accuracy: ±0.02% of reading ±1μA
• Temperature Drift: ±16μA per 10°C
• Update Cycle: 10ms for fast signal response
• Isolation Withstand Voltage: 1500V AC (input to system side, 1 minute)
• Power Supply: Backplane-powered (5V: 230mA; 24V: 540mA); transmitter supply 19.0–25.5V DC
• Communication: Built-in HART protocol for bidirectional smart transmitter communication
• Operating Temperature: -20°C to +70°C
• Physical: 2.5×12.7×12.7cm; weight 0.3kg; G3 corrosion-resistant certified

Core Features

Full Channel Isolation: Each of the 16 channels is electrically isolated to eliminate crosstalk and noise, ensuring stable data acquisition in harsh electrical environments.

HART Communication Support: The YOKOGAWA AAI143-H50K4A00 enables bidirectional communication with HART-enabled transmitters, supporting configuration, diagnostics, and predictive maintenance for reduced downtime.

High Precision & Speed: With ±0.02% accuracy and 10ms update speed, it reliably captures critical process variables like pressure, flow, and level.

Wide Compatibility: Works with 2-wire and 4-wire transmitters, and integrates seamlessly with YOKOGAWA DCS systems for redundant I/O configurations.

Industrial Durability: Compact, lightweight design with G3 corrosion resistance ensures long-term performance in chemical, oil & gas, and power generation industries.

Applications

The YOKOGAWA AAI143-H50K4A00 is ideal for process monitoring and control in:

• Oil and gas refining
• Chemical and petrochemical plants
• Power generation (thermal, hydro)
• Water and wastewater treatment
• Pharmaceutical and food processing