Yokogawa Analog Input Module AAI143-H50/K4A00

Product Overview: Yokogawa AAI143 Analog Input Module

Key Features & Benefits

• The AAI143 module provides sixteen fully isolated input channels for safety.
• It supports the popular HART digital communication protocol on all channels.
• You can configure each channel individually for 2-wire or 4-wire transmitters.
• A fast 10ms data update period ensures you capture rapid process changes.
• The module supplies loop power to connected field transmitters directly.

Detailed Technical Specifications

• Brand: Yokogawa
• Model: AAI143-H50/K4A00
• Input Channels: 16 channels with point-to-point isolation.
• Input Signal: Standard 4 to 20 mA DC.
• Input Accuracy: High accuracy of ±16 µA across the measurement range.
• Withstanding Voltage: 1500 V AC for one minute between input and system.
• Transmitter Power Supply: Provides 19.0 – 25.5 V DC with a 25 mA current limit.
• Data Update Rate: Refreshes all channel data every 10 milliseconds.
• Ambient Temperature Drift: Stable performance with only ±16 µA drift per 10°C change.
• Input Resistance: Typically 270 Ω (at 20mA) to 350 Ω (at 4mA) when powered.
• Power Consumption: Maximum 230 mA from 5V DC and 540 mA from 24V DC.
• Communication: Uses pressure clamp terminals and a dedicated KS cable.
• Unit Weight: Lightweight design at only 0.3 kilograms.

Installation & Connection Guide

• Use the included KS cable interface adapter (ATK4A-00) for connection.
• This adapter allows direct connection to Yokogawa AEA4D-style terminal boards.
• You must set the configuration pins for each channel to select 2-wire or 4-wire mode.
• Ensure the external power supply meets the module’s current consumption requirements.
• Follow standard guidelines for installing modules in control system racks.

Packaging & Shipping Information

• You will receive one brand new Yokogawa AAI143-H50/K4A00 module in its original factory packaging.
• The package includes the analog input module and the specified KS interface adapter.
• We ship all orders from our available stock within five business days after confirmation.
• We use reliable global carriers like DHL, FedEx, or UPS for international shipments.
• Our standard policy supports returns within a 30-day period for unused items.

Frequently Asked Questions (FAQ)

• Is this Yokogawa module brand new and original?
  Yes, we supply only 100% brand new and genuine Yokogawa AAI143 modules from original packaging.
• Do you have the Yokogawa AAI143-H50/K4A00 in stock?
  We maintain stock of this popular analog input module for fast order fulfillment and shipping.
• What is the lead time for shipping and delivery?
  We process and ship orders within five working days using express services like DHL, FedEx, or UPS.
• Does this module provide power to field transmitters?
  Yes, the AAI143 module supplies loop power between 19.0V and 25.5V to connected 2-wire transmitters.
• How many input channels does this model have?
  The AAI143-H50/K4A00 provides sixteen individually isolated analog input channels.
• What types of input signals does it accept?
  This module is designed specifically to accept the standard 4 to 20 mA DC current signal.
• Can I use this module with HART-enabled field devices?
  Yes, the ‘H’ in the model number confirms built-in HART protocol communication support on all channels.
• What is the accuracy and update speed of this module?
  It offers a high system accuracy of ±16 µA and updates all channel data every 10 milliseconds.