Overview
The AAI841-H50/K4A00 is a high-performance analog input module with 4 isolated channels, optimized for 4–20 mA signal acquisition in industrial DCS environments. Brand: Yokogawa. Country of Origin: Japan.
General Information
Part Number: AAI841-H50/K4A00
Manufacturer: Yokogawa Electric Corporation
Brand: Yokogawa
Country of Origin: Japan
Type: Analog Input Module
Channels: 4 isolated input channels
Function: Converts field 4–20 mA signals into digital data for control systems
Power Specifications
Signal Range: 4–20 mA per channel
Input Resistance: Approx. 250 Ω
Current Consumption: Typical operating current for module electronics
Protection: Full channel isolation and transient protection built into module
Communication & Interface
Input Type: Supports 2-wire or 4-wire transmitters
Connection: Screw-terminal wiring interface with KS cable adapter option (K4A00)
Diagnostics: Channel-level fault detection and reporting
Environmental
Operating Temperature: –20 °C to +70 °C
Storage Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH, non-condensing
Isolation Rating: Each channel isolated from system ground
Dimensions & Weight
Dimensions: 107.5 × 32.8 × 130 mm
Weight: 0.3 kg



