Yokogawa AAI143-H53/K4A00 Analog Input Module

Product Introduction

Model & Suffix Description

• AAI143: Analog Input Module, 16-channel isolated, 4–20 mA input
• H: HART digital communication supported
• 5: No explosion-proof protection
• 3: ISA G3 option, operating temperature −20 to 70 °C
• /K4A00: Equipped with KS cable interface adapter ATK4A-00 for AEA4D terminal board

Core Electrical Specifications

• Input Channels: 16, isolated
• Input Signal: 4 to 20 mA
• Maximum Allowable Input: 24 mA
• Withstanding Voltage: 1500 V AC for 1 minute (input to system)
• Input Resistance:
  • Power ON: 270 Ω (20 mA) to 350 Ω (4 mA)
  • Power OFF: 500 kΩ or higher
• Accuracy: ±16 µA
• Data Update Period: 10 ms
• Transmitter Power Supply: 19.0 V min @20 mA, 25.5 V max @0 mA, current limit 25 mA
• Transmitter Type: 2-wire / 4-wire selectable per channel
• Temperature Drift: ±16 µA / 10 °C
• Current Consumption: Max 230 mA (5 V DC), 540 mA (24 V DC)
• External Connection: Screw terminals, MIL connector, dedicated KS1 cable
• Weight: 0.3 kg

Key Features

• 16 isolated 4–20 mA analog input channels
• Built-in HART communication protocol support
• ISA G3 environmental compliance option
• Wide operating temperature range −20 to 70 °C
• Includes ATK4A-00 KS cable interface adapter
• High accuracy and fast data update rate
• Channel-independent 2/4-wire transmitter configuration
• Strong isolation and surge protection

Typical Applications

• Yokogawa CENTUM CS 3000 / VP control systems
• Industrial process monitoring and control
• Analog signal acquisition for DCS systems
• Petrochemical, power, and manufacturing automation
• Field transmitter signal conditioning
• Stable signal transmission in harsh environments

Packaging List

• 1 × Yokogawa AAI143-H53/K4A00 analog input module
• KS cable interface adapter ATK4A-00
• Installation and connection guide
• Product label and documentation

FAQ

1. What input signal does the AAI143-H53/K4A00 support?

   It supports 4–20 mA analog input with 16 isolated channels.

2. Does this module support HART communication?

   Yes, the H suffix indicates HART protocol is supported.

3. What is included with the /K4A00 option?

   It includes the ATK4A-00 KS cable interface adapter for AEA4D terminal boards.

4. What is the operating temperature range?

   −20 °C to 70 °C with ISA G3 option.

5. What is the weight of this module?

   Approximately 0.3 kg.