Yokogawa AAI143-H53/A4S00 Analog Input Module Brand New

Overview

The Yokogawa AAI143-H53/A4S00 is a high-performance analog input module for CENTUM VP and ProSafe-RS systems. It handles 4–20 mA DC signals from field transmitters with high accuracy. The module supports HART communication, dual redundancy, and provides full channel isolation for safe and reliable signal acquisition. Its rugged design ensures stable operation in harsh environments.

Technical Specifications

• Number of Channels: 16 isolated input channels
• Input Signal: DC 4–20 mA (standard analog current input)
• Input Impedance: 250 Ω (power-on: 270–350 Ω, power-off: ≥500 kΩ)
• Accuracy: ±0.1% of full scale or ±16 μA
• Resolution: 16-bit
• Temperature Drift: ±16 μA per 10°C
• Transmitter Power Supply: 19.0–25.5 VDC, 25 mA per channel, jumper configurable
• Transmitter Compatibility: Supports 2-wire and 4-wire transmitters
• Communication: HART protocol supported (with compatible firmware and remote node)
• Noise Immunity: Stable performance in electrically noisy environments
• Redundancy: Dual redundancy supported
• Isolation Voltage: 1500V AC for 1 minute (input to system)
• Power Consumption: 5V DC at 230 mA, 24V DC at 540 mA
• Mounting: DIN rail or rack-mounted
• Connectors: MIL connectors or pressure clamp terminals
• Weight: 0.3 kg
• Operating Temperature: -20 to 70 °C (-4 to 158 °F)
• System Compatibility: Yokogawa CENTUM VP and ProSafe-RS