Yokogawa AAI143-H53/K4A00 Analog Input Module

Model & Suffix Definition

• AAI143: Analog Input Module, 16-channel isolated, 4–20 mA
• H: HART digital communication supported
• 5: No explosion-proof protection
• 3: ISA Standard G3 option, operating temperature −20 to 70 °C
• /K4A00: Equipped with ATK4A-00 KS Cable Interface Adapter for AEA4D Terminal Board

Core 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 Configuration: 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: Pressure clamp terminal, MIL connector, dedicated KS1 cable
• Weight: 0.3 kg

Key Features

• 16 galvanically isolated 4–20 mA input channels
• Built-in HART communication protocol
• ISA G3 environmental compliance
• Wide operating temperature range: −20 to 70 °C
• Per-channel 2/4-wire transmitter selection
• Includes ATK4A-00 KS cable interface adapter
• High accuracy and stable measurement

Typical Applications

• Yokogawa CENTUM CS 3000 / VP DCS systems
• Harsh industrial process monitoring
• Analog signal acquisition with HART transmitters
• Oil & gas, power, and chemical plant automation
• Field signal conditioning and isolation

Packaging List

• 1 × Yokogawa AAI143-H53/K4A00 analog input module
• 1 × ATK4A-00 KS cable interface adapter
• Installation and wiring manual

FAQ

1. What type of module is AAI143-H53/K4A00?

   It is a 16-channel isolated analog input module supporting 4–20 mA and HART.

2. Does it include HART communication?

   Yes, the H suffix enables HART protocol support.

3. What environmental rating does it have?

   It is ISA Standard G3 rated.

4. What is the operating temperature range?

   −20 °C to 70 °C.

5. What is included in the K4A00 option?

   ATK4A-00 KS cable interface adapter for AEA4D terminal board.