AAR181-S50 Yokogawa RTD Input Module 12 Channel Isolated I/O High Accuracy

Description

AAR181-S50 Yokogawa RTD Input Module

The AAR181-S50 provides stable RTD signal input for industrial control systems.
It supports 12 isolated channels for accurate temperature measurement tasks.
This module ensures reliable signal processing with strong electrical isolation.
Its compact design helps reduce cabinet space and improves system layout.
PLCDCS HUB recommends this module for precise and stable RTD data acquisition.

Structured Configuration Breakdown

• Model Structure
  • AAR181
    • RTD input module
    • 12-channel isolated input
• Suffix Code Tree
  • -S
    • Standard version
  • -5
    • No explosion protection
  • -0
    • Basic configuration type

Technical Specifications

• Brand: Yokogawa
• Model: AAR181-S50
• Input Channels: 12 isolated RTD inputs
• Input Voltage Limit: ±5 V
• Input Resistance: ≥ 2 MΩ (power ON/OFF)
• Accuracy: ±120 mΩ
• Withstanding Voltage: 1500 V AC for 1 minute
• Current Consumption: 450 mA (5V DC)
• Dimensions: 130 × 107.5 × 32.8 mm
• Weight: 0.2 kg

PLCDCS HUB’s Insight

• The AAR181-S50 delivers stable and precise RTD signal processing.
• High isolation protects control systems from electrical interference.
• This module fits systems that require multi-point temperature monitoring.
• Compact size supports dense cabinet installations.
• It performs well in continuous industrial operation.

Application and Compatibility

• Temperature monitoring systems in process industries.
• Power plant control systems with RTD sensors.
• Oil and gas facilities requiring stable signal input.
• Manufacturing lines with thermal control processes.
• DCS and PLC systems using Yokogawa architecture.

Diagnostics and Reliability

• Supports stable signal detection across all channels.
• High insulation reduces noise and improves accuracy.
• Maintains consistent input resistance during operation.
• Designed for long-term industrial reliability.
• Helps reduce system faults caused by signal instability.

Shipping and Support

• Ships within 24–48 hours after order confirmation.
• Delivery via
  FedEx,
  UPS, and
  DHL.
• Includes 12-month warranty for quality assurance.
• Careful packaging protects the module during transit.

FAQ

• How do I choose an RTD input module?
  Check channel count, accuracy, and compatibility with your control system.
• What affects RTD measurement accuracy?
  Cable quality, wiring method, and electrical noise can impact accuracy.
• Is isolation important for RTD modules?
  Yes, isolation prevents interference and protects system components.
• Can this module run continuously?
  Yes, it supports stable operation in continuous industrial environments.
• How can I improve signal reliability?
  Use shielded cables and proper grounding in your installation.

Contact

• WhatsApp: +86 158 8020 0923

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