Yokogawa AAR145 Analog I/O Module

The AAR145 is a high-performance 16-channel analog input module from Yokogawa, designed to interface with RTD and potentiometer (POT) devices. It features isolated input channels to ensure high reliability and supports dual-redundant configurations, making it a robust solution for demanding industrial applications. With its precise signal processing and wide operational temperature range, this module is suitable for applications where accuracy and durability are critical.

Key Features

• Signal Types Supported:
  • RTD: JIS C1604:1997, IEC751:1995, Pt100 (3-wire type)
  • POT: Total resistance from 100 Ω to 10 kΩ, with span resistance greater than 50% of total resistance
• Isolation:
  • Between input and system: 500 VAC (1,500 V AC for a single card)
  • Between input channels: 200 VAC
• Accuracy:
  • RTD: ±150 mΩ
  • POT: ±0.2% of full scale
• Data Update Rate: 1 second
• Burn-out Detection: Configurable for all channels, with a detection time of 60 seconds
• Environmental Durability: Complies with ISA G3 standards, supporting a temperature range of -20°C to 70°C for enhanced reliability in harsh environments.

Technical Specifications