Yokogawa AAI141-H00: 16-Channel Analog Input Module

Overview

The Yokogawa AAI141-H00 is a 16-channel non-isolated analog input module designed for precise process control in industrial automation systems. It offers flexible signal inputs, robust performance, and compatibility with various industrial protocols. This module is ideal for applications requiring accurate measurements of current and voltage signals.

Key Specifications

Specification	Details
Model	AAI141-H00 – 16-channel, non-isolated
Input Signal	4 to 20 mA DC, 1 to 5 V DC
Allowable Input Current/Voltage	27 mA
Input Resistance	Power ON: 4000 Ω (at 20 mA), 1000 Ω (at 4 mA)
	Power OFF: 500 kΩ or larger
Accuracy	±16 μA
Data Update Period	10 ms
Step Response Time	100 ms
Transmitter Power Supply	14.8 V or higher (at 20 mA), 26.4 V or less (at 0 mA)
Drift Due to Ambient Temperature	+16 μA per 10 °C change
Maximum Current Consumption	310 mA (5 V DC) or 450 mA (24 V DC)
Weight	0.2 kg
External Connection	Pressure clamp terminal, K5 cable, MIL connector
HART Communication	Supported for advanced diagnostics

Features

Flexible Input Options: The AAI141-H00 accepts both 4 to 20 mA and 1 to 5 V DC input signals, offering versatility for various sensor and transmitter connections.
High Accuracy: With an accuracy of ±16 μA, this module provides reliable and precise measurements for industrial processes.
Fast Data Updates: The AAI141-H00 updates data every 10 ms, enabling fast response times for real-time monitoring.
Compact and Lightweight: At just 0.2 kg, this module is designed for easy integration into systems with limited space.
Temperature Drift Compensation: The module exhibits minimal drift of +16 μA per 10°C temperature change, ensuring stable performance across varying environmental conditions.
Power Supply Flexibility: It supports a 14.8 V or higher transmitter power supply for 20 mA signals and 26.4 V or less for 0 mA, making it adaptable for a wide range of applications.
HART Communication Support: The AAI141-H00 integrates seamlessly with systems using the HART protocol, enabling advanced diagnostics and easier troubleshooting.

Applications

The Yokogawa AAI141-H00 is ideal for various industrial automation applications, including:

Process Control: Measuring process variables such as temperature, pressure, and flow in real-time.
Factory Automation: Connecting sensors and actuators in industrial control systems for automated processes.
Flow Monitoring: Used for flow measurement in fluid-based systems such as pipelines and pumps.
Environmental Monitoring: Capturing data from environmental sensors to ensure compliance with safety and regulatory standards.

Model and Suffix Codes

Model: AAI141-H00 – 16-channel, non-isolated analog input module.
Suffix Code:
- H: Module with HART communication support.

Conclusion

The Yokogawa AAI141-H00 offers superior performance, flexibility, and precision for industrial process monitoring. With features like multiple input signal compatibility, fast data updates, and HART communication, it serves as a reliable solution for a variety of automation applications.