Yokogawa AAI143-H50/K4A00 Analog Input Module

The Yokogawa AAI143-H50/K4A00 is a high-performance analog input module designed for industrial automation systems. It features 16 isolated input channels capable of handling 4 to 20 mA signals, ensuring reliable data acquisition in various industrial settings. The module supports HART communication protocol, allowing for enhanced device interaction and diagnostics. Additionally, it includes a KS Cable Interface Adapter (Model: ATK4A-00) for superior connectivity. ​

Product Specifications

Product Applications

The AAI143-H50/K4A00 module is suitable for a wide range of industrial applications, including:​

• Process Control Systems: Monitoring and controlling variables such as temperature, pressure, and flow in chemical, oil & gas, and pharmaceutical industries.​

• Manufacturing Automation: Integrating with PLCs and DCSs for real-time data acquisition and control in manufacturing processes.​

• Energy Management: Collecting analog data for monitoring and optimizing energy consumption in power plants and renewable energy systems.​

• Water and Wastewater Treatment: Measuring parameters like pH, turbidity, and chemical concentrations to ensure compliance and efficiency.​

• Building Automation: Controlling HVAC systems, lighting, and other building systems based on analog sensor inputs.​

Product Advantages

• High Accuracy: Ensures precise measurement of analog signals, critical for maintaining process quality and safety.​

• Isolated Channels: Each input channel is electrically isolated, reducing the risk of signal interference and enhancing system reliability.​

• HART Protocol Support: Enables two-way digital communication with field devices, allowing for remote configuration and diagnostics.​

• Flexible Configuration: Supports both 2-wire and 4-wire transmitter connections, adaptable to various field instruments.​

• Compact Design: Its small footprint facilitates easy installation in control panels with limited space.​

• Wide Operating Temperature Range: Suitable for use in harsh industrial environments with extreme temperatures.​

Frequently Asked Questions (FAQ)

1. What types of signals does the AAI143-H50/K4A00 module accept?

   It accepts 4 to 20 mA analog current signals, commonly used in industrial sensor outputs.

2. Is the module compatible with HART-enabled devices?

   Yes, it supports HART communication, allowing for enhanced device interaction and diagnostics.

3. Can I use both 2-wire and 4-wire transmitters with this module?

   Yes, each channel can be configured individually to support either 2-wire or 4-wire transmitters.

4. What is the maximum input current the module can handle?

   The module can handle input currents up to 24 mA.

5. How does the module ensure signal accuracy?

   It maintains an accuracy of ±16 µA and features temperature drift compensation to ensure reliable measurements.

6. What are the power requirements for the module?

   It requires 230 mA at 5 V DC and 540 mA at 24 V DC.

7. Is the module suitable for use in hazardous environments?

   The AAI143-H50 variant does not include explosion protection. For hazardous environments, consider models with the appropriate certifications.

8. What is the data update rate of the module?

   The module updates data every 10 milliseconds, ensuring timely signal processing.

9. How is the module mounted in a control system?

   It is designed for installation in Yokogawa’s FIO system racks, integrating seamlessly with other system components.

10. What certifications does the module have?

    It is certified with CE and UL standards, ensuring compliance with international safety and performance requirements.