Overview

The Yokogawa AAR145-S00 is a high-performance input module designed to handle signals from RTD, potentiometer, thermocouple, and mV sources. It features isolated channels, ensuring reliable and accurate measurements in industrial environments. This module can also be configured for dual-redundancy, enhancing system reliability.

Detailed Specifications

• Model: AAR145-S00
• Number of Input Channels: 16, isolated
• Supported Signal Types: mV, thermocouple (TC), RTD, and potentiometer (POT)
• Isolation: Between field and system, and between each channel
• Wiring Resistance: 150 Ω or less (per wire)
• Measurement Current: RTD: 1 mA
• Data Update Period: 1 s
• Burn-out Detection:
  • Setting: Not available/available (UP/DOWN)
  • Detection Time: 60 s
• Temperature Drift:
  • RTD: ±0.3 Ω/10 °C
  • POT: ±0.4 %/10 °C
• Maximum Current Consumption: 350 mA (5 V DC)
• Weight: 0.3 kg
• External Connection: Dedicated cable (KS8/AKB335)

Compliance

• Standard: JIS C1604:1989 (Pt100, JPt100)
• Type B: Does not carry out temperature compensation and cannot measure temperatures below 44 ºC.

Temperature Compensation

• Wiring Resistance for Signal Cables: Must be identical for INA and INC.
• Reference Junction Compensation Accuracy:
  • By the Terminal Board (AET4D):
    • -20 to 0 ˚C: ±1.5 ˚C
    • 0 to 30 ˚C: ±1.0 ˚C
    • 30 to 70 ˚C: ±1.5 ˚C
  • In the Standard Cabinet:
    • 0 to 30 ˚C: ±1.0 ˚C
    • 30 to 50 ˚C: ±1.5 ˚C

Suffix Codes

• -S: Standard type
• 0: Basic type