Yokogawa AAI141-S50/A4S00 Analog Input Module

Overview

The Yokogawa AAI141-S50/A4S00 is a high-precision analog input module. It integrates seamlessly with CENTUM VP and other Yokogawa DCS systems. This module supports 16 non-isolated analog input channels. Each channel receives standardized signals such as 4–20 mA DC or 1–5 V DC. It works with both 2-wire and 4-wire transmitters. Industrial-grade construction ensures reliable operation in harsh environments. Additionally, the module supports dual-redundant configurations for higher system reliability.

Technical Specifications

• Model: AAI141-S50/A4S00
• Manufacturer: Yokogawa Electric Corporation
• Module Type: Analog Input Module (Non-Isolated)
• Input Channels: 16 channels
• Signal Types Supported: 4–20 mA DC or 1–5 V DC
• Input Type: Non-isolated
• Transmitter Compatibility: 2-wire and 4-wire transmitters
• Accuracy: ±0.1% of full scale
• Resolution: 16-bit
• Update Rate: 10 ms per channel
• Input Impedance: 250 Ω
• Maximum Input Current: 30 mA DC
• External Wiring: Pressure clamp terminals
• Power Supply: 24 V DC via backplane
• Scan Cycle Time: 10 ms for all channels
• Dimensions: 282 mm (W) × 210 mm (H) × 20 mm (D)
• Weight: 0.3 kg
• Installation: Mounts in I/O rack compatible with Yokogawa DCS
• Operating Temperature: -20 to 70 °C (-4 to 158 °F)