Overview

The YOKOGAWA AAI143-H53 Analog Input Module is a versatile and reliable device designed for industrial process control applications. It offers 16 isolated analog input channels, providing precise and accurate measurement of 4-20 mA signals.

Technical Specifications

• Manufacturer: Yokogawa
• Product No.: AAI143-H53
• Product Type: Analog Input Module

Suffix Codes

• H: With digital communication (HART protocol)
• 5: With no explosion protection
• 3: With ISA Standard G3 option and temperature (-20 to 70 °C) option

Input Channels

• Number of Input Channels: 16, isolated
• Input Signal: 4 to 20 mA
• Allowable Input Current: 24 mA
• Withstanding Voltage: Between input and system: 1500 V AC, for 1 minute
• Input Resistance:
  • Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)
  • Power OFF: 500 kΩ or larger
• Accuracy: ±16 µA
• Data Update Period: 10 ms
• Transmitter Power Supply: 19.0 V or higher (at 20 mA), 25.5 V or less (at 0 mA) (output current limit: 25 mA)
• Setting of 2-Wire or 4-Wire Transmitter: For each channel by setting pin
• Drift Due to Ambient Temperature Change: ±16 µA/10 °C
• Maximum Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
• External Communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)
• Weight: 0.3 kg