Yokogawa AAI143-H53/K4A00 | HART Protocol AI Module

Yokogawa's AAI143-H53/K4A00 analog input module delivers high-performance signal acquisition. This reliable module integrates seamlessly into control systems for precise data collection. 

Key Features & Benefits

• The AAI143-H53/K4A00 provides 16 fully isolated input channels, preventing ground loop issues.
• It accepts the standard 4 to 20 mA DC input signal from field transmitters.
• Integrated HART protocol digital communication allows for advanced device configuration and diagnostics.
• Each channel individually configures as a 2-wire or 4-wire transmitter via a simple setting pin.
• A fast 10 ms data update period enables real-time process monitoring and control.

Detailed Technical Specifications

• Brand: Yokogawa
• Model: AAI143-H53/K4A00
• Input Channels: 16 channels with individual isolation
• Input Signal Range: 4 to 20 mA DC
• Maximum Allowable Input: 24 mA
• Accuracy: ±16 µA for reliable measurement data
• Transmitter Power Supply: 19.0 V to 25.5 V DC (current limited to 25 mA)
• Withstanding Voltage: 1500 V AC for 1 minute between input and system
• Operating Temperature Range: -20 to 70 °C (-4 to 158 °F)
• Temperature Drift: ±16 µA per 10°C change
• Module Power Consumption: 230 mA (at 5V DC) and 540 mA (at 24V DC)
• Communication Interface: Includes a KS Cable Interface Adapter (ATK4A-00) for connecting to AEA4D terminal boards
• Unit Weight: Approximately 0.3 kilograms

Installation & Connection Guide

• Use the provided pressure clamp terminals or MIL connector for secure field wiring.
• The KS1 dedicated cable and K4A00 interface adapter ensure a proper connection to Yokogawa system racks.
• Configure each channel for 2-wire or 4-wire transmitter operation using the designated pins on the terminal board.
• Ensure the ambient temperature stays within the specified -20 to 70 °C range for optimal performance.
• Verify that the field device's loop current does not exceed the 24 mA maximum allowable input.

Packaging List

• 1 x Yokogawa AAI143-H53/K4A00 Analog Input Module
• 1 x KS Cable Interface Adapter (Model: ATK4A-00)
• All necessary documentation and mounting hardware
• We ship all orders via reliable carriers such as FedEx, UPS, or DHL.

Frequently Asked Questions (FAQ)

• What input signal does this Yokogawa module accept? The module is designed for standard 4 to 20 mA DC current loop inputs.
• How many devices can I connect to one module? The AAI143-H53/K4A00 gives you 16 independently isolated channels for connecting multiple transmitters.
• Does it support smart instrumentation communication? Yes, this module includes HART protocol support over the 4-20 mA signal for digital communication.