Yokogawa AAR181‑S50 RTD Input Module 100% NEW

Applications

• Process Control Systems – Captures fine‑grained temperature data for thermal regulation loops in chemical, oil & gas, and pharmaceutical plants.

• Industrial Equipment Monitoring – Tracks temperature profiles on machines, furnaces, and heat‑sensitive equipment.

• Energy Generation & Utilities – Measures and reports temperature in turbines, boilers, and utility systems for efficiency and safety.

• Environmental & HVAC Control – Interfaces with multiple RTDs for precise environmental temperature monitoring and automated HVAC control.

Advantages

• High Channel Density – 24 isolated inputs reduce the need for multiple modules and save control rack space.

• Superior Signal Integrity – Galvanic isolation protects against electrical noise, ensuring accurate thermal readings in harsh environments.

• Precision Temperature Measurement – Designed for high‑resolution RTD inputs with consistent accuracy over long service life.

• Fast Sampling Capability – High sampling rates support responsive control loops and real‑time monitoring.

• Industrial‑Grade Durability – Performs reliably across wide temperature ranges and under industrial stresses.

• Compact Modular Design – Space‑efficient footprint supports scalable system expansion and easier panel layout.

Technical FAQs

1. How many RTD channels does the AAR181‑S50 support?
   It supports 24 isolated RTD input channels.

2. What types of temperature sensors are compatible?
   Standard RTDs such as Pt100 with 3‑wire connections.

3. What is the input voltage range for RTD signals?
   Typically ±5 V DC for RTD signal conditioning.

4. Is the module isolated to prevent signal interference?
   Yes — channel‑to‑channel and channel‑to‑system isolation enhances noise immunity.

5. What is the measurement current per channel?
   Approximately 1 mA per RTD input channel.

6. What is the module’s measurement accuracy?
   Typical accuracy is ±120 mΩ for RTD measurements.

7. What temperature range can the AAR181‑S50 operate in?
   It operates reliably from −20 °C to +60 °C.

8. What are the module’s physical dimensions?
   180 mm (W) × 107.5 mm (H) × 32.8 mm (D).

9. How much does the module weigh?
   The AAR181‑S50 weighs approximately 0.65 kg.

10. Where is this module typically used?
    It is commonly used in advanced process control systems, energy plants, manufacturing automation, and environmental monitoring where precise temperature data is critical.