Yokogawa AAI143-H00 Analog iInput Module

Description

The AAI143-H00 module is engineered to process 4-20 mA analog signals, making it ideal for data acquisition and monitoring in distributed control systems (DCS). It supports dual-redundant configurations, enhancing system reliability in critical applications.

Specifications

• Number of Input Channels: 16, isolated

• Input Signal: 4-20 mA

• Allowable Input Current: 24 mA

• Withstanding Voltage: 1500 V AC (between input and system) for 1 minute

• Input Resistance:

  • Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)

  • Power OFF: 500 kΩ or more

• 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

• Maximum Current Consumption:

  • 230 mA (5V DC)

  • 540 mA (24V DC)

• External Communication: Pressure clamp terminal, MIL connector cable, dedicated cable (KS1)

• HART Communication: Available

Features

• High-Precision Analog Input: Ensures accurate signal acquisition.

• Dual-Redundant Configuration: Enhances system reliability.

• Galvanic Isolation: Protects against electrical interference.

• Fast Data Processing: 10 ms update period for real-time monitoring.

• Rugged Industrial Design: Built for demanding automation environments.