Overview
The Yokogawa AAI835-H03/K4A00 is a high-performance analog input/output module designed for advanced process control systems. Manufactured by Yokogawa Electric Corporation, Japan, this module provides isolated 4–20 mA analog signal input and output channels, ensuring reliable measurement and control performance in distributed control system (DCS) applications.
General Information
Manufacturer: Yokogawa Electric Corporation
Country of Origin: Japan
Part Number: AAI835-H03/K4A00
Product Name: AAI835 Analog I/O Module
Series: AAI835 Series
Product Type: Analog Input/Output Module (Isolated)
Channel Configuration: 4 input channels + 4 output channels
Mounting: I/O rack-mounted module
Application: Industrial automation, process monitoring, and distributed control
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Approx. 7 W
Protection: Overvoltage, reverse polarity, and surge protection
Communication & Interface
Signal Type: 4–20 mA analog for both input and output channels
Interface: Rack-mounted I/O bus connection
Data Update Rate: Approx. 10 ms
Diagnostics: Channel fault detection, signal break detection, and communication status monitoring
Isolation: Each channel isolated from system bus and between channels
Environmental
Operating Temperature: 0 °C to +55 °C
Storage Temperature: −20 °C to +70 °C
Relative Humidity: 5% to 95% RH, non-condensing
Vibration Resistance: 10–60 Hz, amplitude ±0.1 mm
Protection Class: IP20 (when installed in a control cabinet)
Dimensions & Weight
Dimensions: 107.5 × 32.8 × 130 mm
Weight: 0.3 kg
