



Introduction
The Yokogawa AAI135-H53 is a high-precision analog input module for distributed control systems (DCS). It converts field analog signals from sensors and transducers into digital signals for accurate monitoring and control of industrial processes. Designed for industrial reliability, the AAI135-H53 maintains high signal fidelity and stable operation even in electrically noisy or vibration-prone environments. Its compact form factor allows flexible installation in control cabinets, making it ideal for both new installations and retrofits.
Technical Specifications
| Parameter | Details |
|---|---|
| Module Type | Analog Input Module |
| Part Number | AAI135-H53 |
| Function | Converts analog field signals to digital signals for DCS controllers |
| Input Signal Type | 4–20 mA, 0–10 V, or other standard analog signals |
| Operating Voltage | 24 VDC nominal |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –20 °C to +70 °C |
| Mounting | Cabinet or rack installation |
| Dimensions | 107.5 × 32.8 × 130 mm (H × W × D) |
| Weight | 0.3 kg |
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