Overview
The Yokogawa AAI835-H03 S3 is a high-performance analog input/output module designed for distributed control and process automation systems. Manufactured by Yokogawa Electric Corporation, Japan, this module supports isolated 4-20 mA signal I/O on configurable channels and is intended for use in robust industrial environments.
General Information
Manufacturer: Yokogawa Electric Corporation
Country of Origin: Japan
Part Number: AAI835-H03 S3
Product Name: AAI835 Analog I/O Module
Series: AAI835 Series
Product Type: Analog Input/Output Module (isolated channels)
Channel Configuration: 4 input channels + 4 output channels (typical for AAI835 series)
Application: Process control systems, DCS I/O rack modules
Power Specifications
Supply Voltage: 24 V DC (typical system supply)
Power Consumption: Approx. 7 W (varies by channel load)
Protection: Built-in reverse polarity and over-voltage protection
Communication & Interface
Signal Type: 4-20 mA analog for both input and output channels
Interface: Rack-mounted module for system I/O bus connection
Data Update Rate: Approx. 10 ms (standard for AAI835 family)
Diagnostics: Channel monitoring, fault detection, signal break alarms
Isolation: Each channel is isolated from system bus and between channels
Environmental
Operating Temperature: 0 °C to +55 °C (standard version)
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
