Yokogawa AAI141-H Analog Input Module

Overview

The Yokogawa AAI141-H is a high-precision analog input module designed for CENTUM VP and related distributed control systems. It accurately acquires process signals such as temperature, pressure, flow, and pH, providing reliable data for critical industrial applications.

The AAI141-H supports HART communication, ensuring real-time monitoring and precise signal handling. Its compact and robust design allows flexible installation in control racks, while maintaining high reliability under harsh industrial conditions.

Features

Provides accurate acquisition of analog signals for process monitoring and control.
Supports HART protocol, enabling advanced diagnostics and real-time device communication.
Compact form factor allows efficient installation in dense automation cabinets.
Offers channel-to-channel and channel-to-ground isolation to prevent signal interference.
Compatible with a wide range of Yokogawa analog input systems for flexible integration.

Technical Specifications

Parameter	Details
Manufacturer	Yokogawa
Model Number	AAI141-H
Product Type	Analog Input Module
Input Channels	4 analog input channels standard
Signal Type	4–20 mA DC current loop with HART support
Input Impedance	250 Ω ±0.1%
Accuracy	±0.1% of full scale
Resolution	12 bits
Isolation	Channel-to-channel and channel-to-ground
External Connections	M4 screw terminals for secure wiring
Power Consumption	3.5 W
Dimensions	5.1 cm x 12.7 cm x 15.2 cm
Weight	Approx. 0.4 kg
Operating Temperature	-20°C to +70°C
Humidity Range	5% to 95% RH, non-condensing
Mounting Type	Rack-mounted or sub-base installation
System Compatibility	Yokogawa CENTUM VP DCS