Yokogawa AAI135-H00: 8-Channel Analog Input Module for Industrial Automation

Overview

The Yokogawa AAI135-H00 is a high-performance 8-channel analog input module from the CENTUM-ST family. Designed to handle 4-20 mA current signals, it is ideal for industrial automation systems. This module offers reliable and precise data acquisition, particularly in environments where safety and accuracy are critical.

Key Specifications of the Yokogawa AAI135-H00

Key Features of the Yokogawa AAI135-H00

• High Accuracy: The AAI135-H00 provides high accuracy with a ±16 µA tolerance, ensuring reliable data collection for process control.
• Versatile Input Range: The module accepts 4 to 20 mA current signals, making it suitable for a wide range of industrial applications.
• Built-in HART Communication: For systems requiring advanced diagnostics, the HART protocol is supported (available in certain configurations), facilitating remote monitoring and troubleshooting.
• High Safety Standards: With high voltage isolation between inputs and the system, as well as isolation between channels, the module ensures operational safety in demanding environments.
• Low Power Consumption: The module operates efficiently, consuming 360 mA (5 VDC) or 450 mA (24 VDC). This makes it ideal for energy-conscious installations.
• Robust External Connections: The AAI135-H00 offers flexible connection options, including pressure clamp terminals, MIL connector cables, or a dedicated KS1 cable for easy integration.
• Temperature Stability: The module has a minimal temperature drift, ensuring stable performance even in varying temperature conditions.

Applications of the Yokogawa AAI135-H00

The Yokogawa AAI135-H00 is ideal for use in industrial automation applications, such as:

• Process Control: The module ensures accurate monitoring of processes that rely on 4-20 mA analog signals, such as pressure and temperature measurements.
• Factory Automation: It is used in factory environments to collect data from sensors and transmitters, providing control systems with real-time information for decision-making.
• Laboratory Measurements: The AAI135-H00 is also suitable for research and testing environments, offering precise input signal processing for various laboratory instruments.

Model and Suffix Codes

• Model: AAI135 – 8-channel analog input module (4 to 20 mA, isolated).
• Suffix Codes:
  • -H: With digital communication (HART protocol).
  • -0: Basic type, without HART protocol.

Conclusion

The Yokogawa AAI135-H00 offers an efficient, reliable solution for industrial automation applications, providing excellent performance with 8 isolated analog input channels. Its high accuracy, HART communication support, and robust safety features make it a top choice for any system requiring precise data acquisition.