Yokogawa AAI143-S53/K4A00 Analog Input Module Brand New

Overview

The Yokogawa AAI143-S53/K4A00 is a high-precision analog input module. It supports 16 isolated current input channels. The module suits CENTUM VP distributed control systems. It delivers accurate and reliable signal acquisition. This module works well in harsh industrial environments. It offers flexible transmitter configurations for 2-wire or 4-wire devices. Its fast data update rate ensures timely process control. Electrical isolation enhances system safety and signal integrity.

Technical Specifications

• Model: AAI143-S53/K4A00
• Type: Analog Input Module
• Manufacturer: Yokogawa Electric Corporation
• Number of Channels: 16 isolated channels
• Input Signal Range: 4 to 20 mA DC
• Input Impedance: 270–350 Ω (depending on current)
• Resolution: 16-bit
• Accuracy: ±0.1% of full scale (±16 μA)
• Data Update Period: 10 ms
• Transmitter Power Supply: 19.0 V to 25.5 V (max 25 mA per channel)
• Transmitter Configuration: Individually configurable for 2-wire or 4-wire transmitters
• Temperature Drift: ±16 μA per 10°C
• Max Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
• Operating Temperature: –25°C to +70°C
• Weight: 0.3 kg
• External Connections: Pressure clamp terminal, MIL connector, KS cable
• Isolation: Electrical isolation per channel
• Withstanding Voltage: 1500 V AC for 1 minute (input to system)
• Input Resistance:
  • Power ON: 270 Ω (at 20 mA) to 350 Ω (at 4 mA)
  • Power OFF: ≥ 500 kΩ
• Allowable Input Current: Up to 24 mA