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Yokogawa AAI143-H53/A4D00 Analog Input Module
Introduction — Precision HART Input for High-Reliability Process Control
The Yokogawa AAI143-H53/A4D00 Analog Input Module is engineered for operations that demand uncompromising measurement accuracy and long-term stability. Designed for Yokogawa’s CENTUM and ProSafe control platforms, this HART-enabled 16-channel module provides intelligent device communication, dependable signal conditioning, and secure wiring through its A4D00 dual pressure-clamp terminal configuration.
Whether deployed in power generation, refining, or high-value chemical processing, the AAI143-H53/A4D00 delivers the clarity and precision needed to make informed decisions and maintain safe, optimized production.
Technical Specifications — Electrical & Physical Characteristics
| Specification | Description |
|---|---|
| Module Type | 16-Channel Isolated Analog Input (HART-enabled, A4D00 terminal) |
| Input Type | 4–20 mA DC |
| Number of Channels | 16 isolated inputs |
| Input Impedance | 270–350 Ω (depending on current) |
| Accuracy | ±16 µA |
| Update Time | 10 ms per channel |
| Transmitter Power Supply | 19–25.5 V DC, up to 25 mA per channel |
| Isolation | 1500 V AC (input-to-system) |
| Temperature Drift | ±16 µA per 10°C |
| Power Consumption | 5 V DC @ 230 mA or 24 V DC @ 540 mA |
| Dimensions | 130 mm × 25 mm × 180 mm |
| Weight | 0.30 kg (approx.) |
| Terminal Interface | A4D00 dual pressure-clamp terminal block |
| Communication | HART (two-way digital communication) |
