Introduction: Precision Voltage Acquisition for Industrial Automation
The Yokogawa AAV144 Voltage Input Module is a high-performance analog input device engineered to deliver accurate and stable voltage measurements within distributed control systems (DCS). Built with rugged industrial environments in mind, this module provides reliable signal acquisition from voltage-output field instruments. Its design supports seamless integration into Yokogawa control architectures, enabling precise process monitoring and control enhancements across diverse industries.
Technical Specifications: Detailed Performance and Physical Attributes
| Specification | Details |
|---|---|
| Product Type | Voltage Input Module |
| Model Number | AAV144 |
| Signal Type | DC Voltage Input |
| Input Channel Count | 4 channels |
| Input Range | –10 to +10 V DC |
| Input Impedance | ≥1 MΩ |
| Resolution | 16-bit or better |
| Accuracy | ±0.1 % of full scale (typical) |
| Conversion Time | 5–10 ms per channel (system dependent) |
| Isolation | Channel-to-bus isolation |
| Response Time | Optimized for real-time control updates |
| Mounting | Rack-mount in I/O chassis |
| Dimensions (H × W × D) | approx. 130 × 30 × 125 mm |
| Weight | approx. 0.30 kg |
| Operating Temperature | –10 °C to +60 °C |
| Storage Temperature | –25 °C to +70 °C |
| Humidity Tolerance | Up to 90 % RH (non-condensing) |
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