AAI841-H03 YOKOGAWA analog input/output (I/O) module

Description

Yokogawa AAI841-H03 – Product Description & Technical Specifications
Product Description
The Yokogawa AAI841-H03 is a non-isolated analog input/output (I/O) module, engineered for seamless integration with Yokogawa CENTUM CS and CENTUM VP DCS systems. It supports 8-channel analog inputs and 8-channel analog outputs, handling 4–20 mA DC signals, and is compatible with HART communication for smart field device interaction. This module delivers stable signal conversion, reliable performance, and strong anti-interference capability, making it ideal for industrial process control applications such as oil and gas, power generation, and chemical processing.
Basic Information
Brand: Yokogawa
Model: AAI841-H03
Product Type: 8-channel Input / 8-channel Output Non-Isolated Analog I/O Module
Weight: Approximately 0.3 kg
Dimensions: Approximately 5.1 cm × 12.8 cm × 15.2 cm, compatible with standard 19-inch racks and Yokogawa DCS guide rails
Country of Origin: Japan
HS Code: 8538900000 (for reference)

AAI841-H03

Temperature Specifications
Operating Temperature: -10 °C to +60 °C
Storage Temperature: -25 °C to +70 °C
Temperature Drift: ±16 μA (input) / ±48 μA (output) per 10 °C
Input Specifications
Power Input: 5 V DC (max. 310 mA); 24 V DC (max. 540 mA)Bus Interface: Compatible with ESB/ER bus node unitsInput Signal: 4–20 mA DC (primary), supports HART communicationInput Channels: 8 (non-isolated)Input Resistance: 400 Ω @ 20 mA, 1000 Ω @ 4 mAInput Resolution: 12-bitMaximum Allowable Input Current: 25 mA
Output Specifications
Output Channels: 8 (non-isolated)Output Signal: 4–20 mA DC (primary), supports HART communicationLoad Resistance: 0–750 ΩData Update Period: 10 ms per channelTransmitter Power Supply: ≥14.8 V @ 20 mA, ≤26.4 V @ 0 mA
Physical & Environmental Parameters
Isolation: Non-isolated (channel-to-channel and field-to-system)Vibration Resistance: 10–500 HzHumidity: 5%–95% RH (non-condensing)Protection Level: IP20 (standard)Power Supply: 24 V DC ±10%, power consumption ≤10 W (full load)
Key Features
8 input / 8 output non-isolated channels, compact and space-efficient design
Supports HART communication for smart field device management
High precision with stable temperature drift for reliable signal transmission
Excellent anti-interference performance, suitable for harsh industrial environments
Fully compatible with Yokogawa CENTUM CS and CENTUM VP DCS systems
Supports dual-redundant configuration for enhanced system reliability
Easy installation, maintenance, and long service life

AAI841-H03 

AAI841-H03 PDF

AAI841-H03

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