Yokogawa AAI143-H50/K4A00 Analog Input Module

Yokogawa AAI143-H50/K4A00 Analog Input Module

The Yokogawa AAI143-H50/K4A00 is a 16-channel analog input module with HART protocol support. This isolated module provides reliable 4-20mA signal acquisition for industrial processes.

Technical Specifications

• Brand & Model: Yokogawa AAI143-H50/K4A00
• Product Type: Analog Input Module (4-20mA, Isolated)
• Input Channels: 16 isolated channels
• Input Signal: 4 to 20 mA current loop
• Update Period: 10 ms data refresh rate

Input Performance

• Accuracy: ±16 µA measurement precision
• Allowable Input: Maximum 24 mA current
• Input Resistance: 270 Ω to 350 Ω (power ON)
• Temperature Drift: ±16 µA per 10°C change

Power & Isolation

• Transmitter Power: 19.0V to 25.5V DC supply
• Current Consumption: 230 mA (5V DC), 540 mA (24V DC)
• Withstanding Voltage: 1500V AC isolation for 1 minute
• Wire Configuration: 2-wire or 4-wire transmitter setting per channel

Physical Specifications

• Weight: 0.3 kg
• Protection: Standard type with no explosion protection
• Module Type: Basic type configuration
• Cable: Dedicated KS1 cable compatible

Frequently Asked Questions

• How many input channels? 16 isolated 4-20mA channels.
• Does it support HART? Yes, includes HART protocol communication.
• What is the update speed? Fast 10ms data update period.