Product Description
Product Overview
- The Yokogawa AAI143-H53/K4A00 Analog Input Module is a robust component designed for Yokogawa’s industrial control systems, such as CENTUM VP or ProSafe-RS, to process 4 to 20 mA signals from field devices like transmitters. Featuring 16 isolated input channels with HART communication, this module supports dual-redundant configurations for enhanced reliability. With a rated accuracy of ±16 µA, a 40 ms data update frequency, and a transmitter power supply ranging from 16.15 V to 26.4 V, it is optimized for precise analog input handling. Equipped with a KS Cable Interface Adapter for connecting to an AEA4D Terminal Board, it weighs approximately 0.34 kg (or 0.39 kg with a signal cable interface adapter) and includes ISA Standard G3 compliance for operation in temperatures from -20 to 70°C, making it ideal for industrial automation applications.
Technical Information
| Parameter | Specifications |
|---|---|
| Manufacturer | Yokogawa |
| Model/Part Number | AAI143-H53/K4A00 |
| Description | Analog Input Module |
| Model | AAI143 (listed as SAI143 in specs; assumed AAI143 per prompt) |
| Number of Input Channels | 16 channels, module isolation |
| Rated Input Range | 4 to 20 mA |
| Permissible Input Range | 0 to 25 mA |
| Input Impedance During Power-ON | 250 Ω + Current value voltage drop in the input protection circuit inside the module |
| Input Impedance During Power-OFF | 500 kΩ minimum |
| Rated Accuracy | SAI143-H: ±16 µA (Input range 0.05 to 23 mA) |
| Data Update Frequency | 40 ms |
| Temperature Drift | ±16 µA/10°C |
| Transmitter Power Supply | 16.15 V minimum (at 20 mA) 26.4 V maximum (at 0 mA) (Output current limit: 25 mA) |
| 2/4-Wire Setting | Individual channel setting, changed by setting pins |
| Withstand Voltage | 1.5 kV AC between input signal and system for 1 minute |
| Maximum Current Consumption | 5 V system: 320 mA 24 V system: 550 mA |
| Weight | Approx. 0.34 kg (0.75 lb) (for pressure clamp terminal block or MIL cable) Approx. 0.39 kg (0.86 lb) (with signal cable interface adapter) |
| External Connection | Pressure clamp terminal, MIL cable, dedicated signal cable |
| Support PRM | Available (SAI143-H) |
| Transmitter Power Supply ON/OFF Function | Available in 2-wire setting, for all 16 channels simultaneously |
Specific Configuration
- Model/Part Number: AAI143-H53/K4A00
- Configuration Details:
- Suffix Codes: -H (With HART communication), 5 (For pressure clamp terminal block or MIL cable with no explosion protection), 3 (With ISA Standard G3 and temperature -20 to 70°C)
- Option Code: /K4A00 (With KS Cable Interface Adapter for connecting AEA4D Terminal Board [Model: ATK4A-00])
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