Yokogawa AAI143-S50 Analog Input Module in stock

Product Description

The AAI143 is an analog input module designed by Yokogawa Electric Corporation, primarily for industrial control systems. It features 16 isolated input channels and supports 4 to 20 mA current signals. The module can be configured for either 2-wire or 4-wire transmitters on a per-channel basis, making it highly versatile for various applications.

General Specifications

• Number of Input Channels: 16 channels with isolation.
• Input Signal: Accepts 4 to 20 mA current signals.
• Allowable Input Current: Up to 24 mA.
• Withstanding Voltage: Can handle up to 1500 V AC between the input and system for one minute.
• Input Resistance:
  • Power ON: Between 270 Ω (at 20 mA) and 350 Ω (at 4 mA).
  • Power OFF: 500 kΩ or greater.
• Accuracy: ±16 µA.
• Data Update Period: Every 10 ms.
• Transmitter Power Supply:
  • Minimum voltage: 19.0 V at 20 mA.
  • Maximum voltage: 25.5 V at 0 mA, with a current limit of 25 mA.
• Setting of 2-Wire or 4-Wire Transmitter: Configurable per channel using setting pins.
• Drift Due to Ambient Temperature Change: ±16 µA/10°C.
• Maximum Current Consumption:
  • 230 mA at 5 V DC.
  • 540 mA at 24 V DC.
• Weight: Approximately 0.3 kg.
• External Communication: Supports pressure clamp terminal, MIL connector cable, and dedicated cable (KS1).
• HART Communication: Available as part of the module's capabilities.