AAR181-S03 | YOKOGAWA RTD Input Module

AAR181-S03 Specifications

Model: AAR181-S03
Type: Temperature Input Module

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General Features

• Number of Input Channels: 12, isolated
• Input Signal Types:
  • Thermocouple (TC): Compliant with JIS C1602:1995, IEC 584:1995
  • RTD: Compliant with JIS C1604:1997, IEC 751:1995
  • Pt100: 3-wire type
• Switching Input Signals: CH1 to CH12 are RTD inputs

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Electrical Specifications

• Allowable Input Voltage: ±5 V
• Withstanding Voltage:
  • Between input and system: 1500 V AC for 1 minute
• Input Resistance:
  • Power ON: 2 MΩ or larger
  • Power OFF: 2 MΩ or larger

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Accuracy

• Thermocouple (TC): ±30 μV
• Measurement Voltage (MV):
  • ±80 μV for span (-100 to 150 mV)
  • ±30 μV for span (-20 to 80 mV)
• RTD Accuracy: ±120 mΩ
• Allowable Total Resistance of Signal Source Plus Wiring: 400 Ω or less (wiring resistance per wire)
• Effect of Allowable Signal Source Resistance (1000 Ω): ±20 μV
• Reference Junction Compensation Accuracy: Within ±1 °C
• Measurement Current (RTD): 1 mA

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Temperature Drift

• Input Voltage Drift:
  • ±80 μV/10 °C (-100 to 150 mV input)
  • ±30 μV/10 °C (TC/-20 to 80 mV input)
• RTD Input Drift: ±120 mΩ/10 °C

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Operational Specifications

• Data Update Period: 1 second
• Burn-Out Detection:
  • All channels can be set together
  • Setting: Not available/available (UP/DOWN)
  • Detection Time: 60 seconds

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Power Requirements

• Maximum Current Consumption: 450 mA (5 V DC)
• Weight: 0.2 kg

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Connection

• External Connection Type: Pressure clamp terminal

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Model Description

The AAR181-S03 is designed for accurate temperature measurement in industrial environments, featuring isolated inputs for thermocouples and RTDs, along with various options for terminal connections.

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Suffix Codes

• -S: Standard type
• 0: Basic type
• 3: With ISA Standard G3 option and temperature (-20 to 70 °C) option

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Contact Us

• Phone: +86-15915488782
• Email: uma@meloauto.com
• WhatsApp: +8615915488782
• Business Hours: 24/7 service
• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

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