Yokogawa AAI135-H03 Analog Input Module

The Yokogawa AAI135-H03 is an analog input module designed for industrial automation systems. It facilitates the accurate acquisition of analog signals from various field instruments, converting them into digital data for processing within control systems. This module is integral to ensuring precise monitoring and control in complex industrial environments.

Product Specifications

The following table outlines the key specifications of the AAI135-H03 module:

Applications

The AAI135-H03 module is utilized in various industrial applications, including:

• Process Control Systems: Capturing analog signals from sensors and transmitters to monitor parameters such as temperature, pressure, and flow rate.

• Distributed Control Systems (DCS): Integrating with DCS architectures to provide real-time data acquisition and control.

• Safety Instrumented Systems (SIS): Ensuring safe operation by monitoring critical process variables and initiating safety protocols when necessary.

• Manufacturing Automation: Facilitating precise control in automated manufacturing processes by accurately reading analog inputs.

Advantages

The AAI135-H03 offers several benefits:

• High Accuracy: Ensures precise data acquisition with an accuracy of ±16 µA.

• Channel Isolation: Each channel is isolated, preventing interference and enhancing signal integrity.

• Robust Design: Operates effectively in harsh industrial environments with a wide operating temperature range and high withstanding voltage.

• Compatibility: Easily integrates with various Yokogawa control systems and supports HART protocol for digital communication.

Frequently Asked Questions 

1. What is the Yokogawa AAI135-H03 Analog Input Module used for?

The Yokogawa AAI135-H03 is designed for industrial automation and process control applications. It is primarily used to collect analog signals from sensors and transmitters, converting them into digital signals for processing by a distributed control system (DCS).

2. What types of signals does the AAI135-H03 support?

This module supports 4-20 mA current signals, making it compatible with a wide range of industrial sensors, including pressure, temperature, flow, and level transmitters.

3. How many input channels does the AAI135-H03 have?

The module provides 8 independent input channels, allowing it to collect multiple analog signals simultaneously.

4. Is the AAI135-H03 module isolated?

Yes, it features galvanic isolation between input channels and the system, which helps prevent electrical interference and enhances signal reliability.

5. What is the resolution of the analog-to-digital conversion?

The AAI135-H03 module offers high-resolution signal conversion, ensuring precise data acquisition for process control applications. The exact resolution may vary depending on the system configuration.

6. Can the AAI135-H03 be used in safety-critical applications?

Yes, the module is designed to meet industrial safety and reliability standards. However, for safety-instrumented systems (SIS), Yokogawa provides specialized SIL-certified modules.

7. How does this module integrate with Yokogawa’s DCS?

The AAI135-H03 is fully compatible with Yokogawa CENTUM VP and ProSafe-RS control systems, allowing seamless integration into process automation architectures.

8. What are the power requirements for the AAI135-H03?

The module operates within the standard power supply range of 24V DC, ensuring stable performance in industrial environments.

9. Does the AAI135-H03 support HART communication?

Some versions of the AAI135 series support HART communication for smart transmitter diagnostics and remote configuration. However, users should verify the specific model’s compatibility.

10. How does this module enhance system reliability?

With features such as high accuracy, signal isolation, and robust build quality, the AAI135-H03 minimizes signal disturbances and ensures stable operation in demanding industrial environments.