Yokogawa AAI141-S00/K4A00: 16-Channel Analog Input Module

Overview

The Yokogawa AAI141-S00/K4A00 is a high-performance 16-channel analog input module designed for industrial automation. It offers accurate signal acquisition from field devices and provides reliable digital communication to control systems. The module integrates seamlessly with Yokogawa Centum VP and ProSafe-RS platforms, ensuring stable performance in challenging environments. With its robust design, this module guarantees precise data conversion for critical industrial applications.

Key Features

16 Isolated Input Channels: The AAI141-S00/K4A00 provides 16 isolated channels, ensuring reliable and accurate signal processing, even in noisy environments.
Input Signals: It supports 4-20 mA DC or 1-5 V DC input signals, allowing it to interface with various field devices for comprehensive data monitoring.
High Accuracy: This module offers an impressive accuracy of ±0.1% of full scale, ensuring precise data conversion.
Rapid Response: With a 0.5-second step response time, it provides quick signal updates, crucial for fast-paced industrial processes.
Channel-to-Channel and Channel-to-Earth Isolation: The module offers both channel-to-channel and channel-to-earth isolation, enhancing safety and system reliability.
Advanced Protection Features: It includes overcurrent and reverse connection protection, safeguarding the system from electrical faults.
Spectral Signal Processing (SSP): The SSP technology optimizes signal handling, ensuring better accuracy and performance in diverse environments.

Technical Specifications

Specification	Details
Model	AAI141-S00/K4A00
Type	Analog Input Module
Input Channels	16 Isolated Channels
Input Signal	4-20 mA DC or 1-5 V DC
Input Impedance	250 Ω (Current), 10 kΩ (Voltage)
Accuracy	±0.1% of full scale
Response Time	0.5 seconds (step input)
Isolation	Channel-to-channel and channel-to-earth
Power Supply	Supplied from backplane
Current Consumption	Max 240 mA at 5 V DC
Power Consumption	2.5 W
Operating Temperature	-20 to 60°C (Standard), 0 to 50°C (Isolated)
Humidity Range	10 to 90% RH, non-condensing
Dimensions	140 x 60 x 30 mm
Weight	0.3 kg
Mounting	Standard I/O Nest for CENTUM VP/ProSafe-RS
External Connection	KS Cable (KS1, KS3) via ATK4A-00 Adapter

Applications

Process Monitoring: Ideal for precise signal acquisition from field devices in process control systems.
Automation Systems: Integrates seamlessly with Yokogawa Centum VP and ProSafe-RS platforms, making it perfect for DCS applications.
Data Acquisition: Provides high-accuracy data conversion for industrial data monitoring and control.

Conclusion

The Yokogawa AAI141-S00/K4A00 is a highly reliable and precise 16-channel analog input module for industrial automation. With its high accuracy, fast response time, and advanced protection features, it is ideal for use in demanding environments where stable data acquisition is crucial.