Description
The AAI143-H00/A4S00 is a 16-channel analog input module from Yokogawa, designed for high-precision current signal monitoring. It supports 4–20 mA signals and includes per-channel isolation and HART protocol compatibility for enhanced diagnostics and configuration.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Yokogawa |
| Category |
|
| Part Number |
AAI143-H00/A4S00 |
| Subcategory |
Analog Input Module |
| Product Type |
Analog Input Module
|
| Input Channels |
16 (isolated)
|
| Input Signal |
4 to 20 mA
|
| Allowable Input Current |
Max. 24 mA
|
| Input Resistance (Power ON) |
270–350 Ω
|
| Input Resistance (Power OFF) |
500 kΩ or larger
|
| Accuracy |
±16 µA |
| Update Period |
10 ms |
| Transmitter Power Supply |
19.0 – 25.5 V DC (limit: 25 mA) |
| Withstanding Voltage |
1500 V AC (input to system, 1 min) |
| Temperature Drift |
±16 µA per 10°C |
| 2-/4-Wire Configuration |
Selectable per channel |
| External Communication |
Pressure clamp terminal, MIL, KS1 cable |
| Protocol Support |
HART (digital communication) |
| Max. Current Consumption |
230 mA @ 5V DC, 540 mA @ 24V DC |
| Terminal Block |
Pressure Clamp (A4S00) |
| Weight |
0.3 kg
|
Information About AAI143-H00/A4S00
The AAI143-H00/A4S00 is an advanced analog input module used in Yokogawa control systems, specifically designed to support both 2-wire and 4-wire transmitters with digital communication via HART protocol. It offers 16 isolated input channels and ensures high accuracy with ±16 µA precision. The module features configurable channel settings, integrated transmitter power supply, and withstands 1500 V AC between input and system. With a fast 10 ms data update period and robust electrical isolation, it is suited for demanding industrial environments requiring accurate signal acquisition and diagnostics.
Key Features:
- 16 Isolated Channels: Individually isolated current input channels for signal protection and reliability.
- Signal Range Support: Accepts standard 4 to 20 mA current signals per channel.
- HART Protocol Compatible: Enables digital communication for diagnostics and configuration.
- High Accuracy: ±16 µA measurement accuracy with low drift across temperature changes.
- Built-in Power Supply: Integrated transmitter power supply providing 19–25.5 V output with current limit.
- Fast Update Rate: Data refresh every 10 ms for responsive monitoring.
- Electrical Isolation: 1500 V AC isolation between input and system for 1 minute.
The AAI143-H00/A4S00 delivers the precision and signal integrity required for modern industrial automation systems.
