Overview
The AAI835‑S03 is an analog I/O module with 4 isolated input channels and 4 isolated output channels. It handles 4–20 mA loops for measurement and control in Yokogawa DCS systems. Brand: Yokogawa. Country of Origin: Japan.
General Information
Part Number: AAI835‑S03
Manufacturer: Yokogawa Electric Corporation
Brand: Yokogawa
Country of Origin: Japan
Type: Analog Input / Output Module
Channels: 4 isolated inputs + 4 isolated outputs
Function: Converts field 4–20 mA signals into system data and drives field loops
Power Specifications
Signal Range: 4–20 mA for both inputs and outputs
Isolation: Each channel is isolated for noise immunity and safety
Current Consumption: Typical current draw for both I/O sides
Communication & Interface
Input Types: 2‑wire or 4‑wire transmitters on input channels
Output Drivers: Current loop outputs to drive actuators or control devices
Connection Types: Terminal connections suitable for industrial wiring
Diagnostics: Channel fault detection and isolation error detection
Environmental
Operating Temperature: –20 °C to +70 °C
Storage Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Isolation Voltage: Typically 500 V AC between channels and system ground
Dimensions & Weight
Dimensions: 107.5 × 32.8 × 130 mm
Weight: 0.3 kg
