Yokogawa AAI141-H00/K4A00 Product Documentation

Product Introduction

The Yokogawa AAI141-H00/K4A00 is a high-performance analog input module designed for industrial automation and process control applications. It is part of Yokogawa’s advanced I/O module series, offering reliable signal acquisition and conversion for various analog sensors and transmitters. This module is widely used in industries such as oil & gas, chemical, power generation, and water treatment due to its precision and durability.

The AAI141-H00/K4A00 supports multiple input signal types, including voltage and current, making it versatile for different industrial requirements. Its robust design ensures stable operation even in harsh environments with high noise and temperature variations.

Product Advantages

1. High Accuracy – Provides precise signal conversion with minimal error, ensuring reliable data acquisition.

2. Wide Input Range – Supports multiple analog input types, including 4-20mA, 0-10V, and thermocouple signals.

3. Durability – Built to withstand industrial environments with high EMI resistance and wide operating temperature ranges.

4. Easy Integration – Compatible with Yokogawa’s control systems and third-party PLCs via standard communication protocols.

5. Modular Design – Allows for easy replacement and expansion within existing systems.

6. Diagnostic Features – Includes self-diagnostics and fault detection for improved maintenance efficiency.

Technical Specifications

Applications

• Process Control Systems – Used in refineries, chemical plants, and power plants for monitoring pressure, temperature, and flow.

• Factory Automation – Integrates with PLCs and SCADA systems for real-time data acquisition.

• Water & Wastewater Treatment – Monitors pH levels, dissolved oxygen, and other critical parameters.

• HVAC Systems – Controls and monitors temperature and humidity in large-scale facilities.

• Oil & Gas Pipelines – Ensures safe and efficient operation by detecting leaks and pressure changes.

Compatible & Recommended Models

6 Related Models in the Same Series

8 Popular Yokogawa Models (Other Series)

Installation Instructions

1. Mounting – Install the module on a DIN rail or flat surface using provided screws. Ensure proper ventilation.

2. Wiring – Connect input signals according to the terminal diagram, ensuring correct polarity.

3. Power Connection – Supply 24 V DC power to the designated terminals, observing voltage tolerance limits.

4. Grounding – Properly ground the module to avoid electrical noise interference.

5. Communication Setup – Configure the module’s address and baud rate if using Modbus or Profibus.

6. Testing – Verify signal readings using diagnostic tools before full operation.

FAQ (Frequently Asked Questions)

Q1: What is the maximum sampling rate of the AAI141-H00/K4A00?
A1: The module supports a sampling rate of 10 ms per channel.

Q2: Can this module be used in hazardous areas?
A2: No, it is not intrinsically safe. For hazardous locations, use an additional safety barrier.

Q3: What communication protocols are supported?
A3: It supports Modbus RTU and Profibus DP.

Q4: Is calibration required periodically?
A4: Yes, Yokogawa recommends annual calibration for optimal accuracy.

Q5: Can the module handle thermocouple inputs?
A5: Yes, it supports various thermocouple types (J, K, T, etc.).

Q6: What is the warranty period for this product?
A6: Yokogawa provides a standard 2-year warranty.