Yokogawa AAI143-S00 Analog Input Module

Model & Suffix Definition

• AAI143: Analog Input Module, 16-channel isolated, 4–20 mA
• S: Standard type
• 0: Fixed code
• 0: Basic type

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 input channels
• Standard basic performance for general applications
• Supports 2-wire and 4-wire transmitters
• High isolation and strong noise immunity
• Compact and reliable structure
• Wide compatibility with Yokogawa control systems

Typical Applications

• Yokogawa CENTUM CS 3000 / VP DCS systems
• Industrial process monitoring
• Analog signal acquisition from field transmitters
• Power, chemical, and manufacturing automation
• General factory I/O systems

Packaging List

• 1 × Yokogawa AAI143-S00 analog input module
• Installation and user manual

FAQ

1. What is AAI143-S00?

   It is a 16-channel isolated analog input module.

2. What input signal does it support?

   4 to 20 mA.

3. Are the channels isolated?

   Yes, 16 isolated channels.

4. What is the weight?

   Approximately 0.3 kg.

5. Does it support 2/4-wire transmitters?

   Yes, configurable per channel.