AAR145-S00 | Yokogawa | RTD/POT Input Module

General Information

The AAR145-S00 is a Yokogawa RTD/POT Input Module featuring 16 isolated input channels designed to support various signal types, including thermocouples, millivolt signals, RTDs, and potentiometers.

Input Channels

• Number of Input Channels: 16, isolated channels

• Input Signal Types:

  • Thermocouple (TC): Types J, K, E, B, R, S, T, N (JIS C1602:1995, IEC584:1995)
  • Millivolt (mV): -100 to 150 mV, -20 to 80 mV
  • Resistance Temperature Detector (RTD): Pt100, 3-wire type (JIS C1604:1997, IEC751:1995)
  • Potentiometer (POT): 100 Ω to 10 kΩ total resistance

• Span Resistance: Must be 50% or larger of total resistance

Switching Input Signals

• Channel Selection: TC/mV and RTD/POT can be selected independently for channels 1 to 16

Voltage and Withstand Ratings

• Allowable Input Voltage: ±5 V
• Withstanding Voltage:
  • Between Input and System: 500 V AC (1500 V AC for a single card) for 1 minute
  • Between Input Channels: 200 V AC for 1 minute

Resistance and Accuracy

• Input Resistance (Power ON): 1 MΩ or higher
• RTD Accuracy: ±150 mΩ
• POT Accuracy: ±0.2% / FS
• Allowable Total Resistance of Signal Source plus Wiring: 150 Ω or less (per wire)

Additional Specifications

• Measurement Current (RTD): 1 mA
• Data Update Period: 1 second
• Burn-Out Detection: Configurable for all channels (available or unavailable with UP/DOWN settings); detection time of 60 seconds
• Temperature Drift:
  • RTD: ±0.3 Ω per 10 °C
  • POT: ±0.4% per 10 °C

Power and Weight

• Maximum Current Consumption: 350 mA (5 V DC)
• Weight: 0.3 kg

External Connection Options

• Dedicated Cable: KS8/AKB335