A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Yokogawa AAI143-H53/A4D00 Analog Input Module
Introduction — High-Density HART Analog Input for Modern Automation
The Yokogawa AAI143-H53/A4D00 Analog Input Module is designed to provide reliable, high-precision measurement for distributed control systems (DCS). Featuring 16 isolated channels with HART communication, it enables real-time data acquisition from field transmitters while supporting robust wiring and redundancy. The A4D00 dual pressure-clamp terminal interface ensures secure and flexible connections, making this module ideal for large-scale industrial applications requiring smart diagnostics, precise monitoring, and enhanced system reliability.
Technical Specifications — Performance & Physical Profile
| Specification | Description |
|---|---|
| Module Type | 16-channel Isolated Analog Input Module (HART-enabled, A4D00 variant) |
| Input Signal | 4–20 mA DC |
| Number of Channels | 16 isolated inputs |
| Input Impedance | 270–350 Ω (depending on input current) |
| Accuracy | ±16 µA |
| Update Rate | 10 ms per channel |
| Transmitter Power Supply | 19–25.5 V DC, ≤ 25 mA per channel |
| Isolation Voltage | 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 |
| Terminal Interface | Dual pressure-clamp (A4D00) for enhanced wiring reliability |
| Communication Protocol | HART |
