AAR145-S50 | Yokogawa | RTD/POT Input Module

Description

The Yokogawa AAR145-S50 is a 16-channel input module designed for RTD and potentiometer (POT) signal acquisition. It offers high-precision measurement and robust isolation, making it ideal for demanding industrial environments.

Specifications

• Model: AAR145-S50
• Input Channels: 16 isolated channels
• Signal Types: RTD (Pt100, 3-wire), POT (100 Ω to 10 kΩ)
• Measurement Current: 1 mA for RTD
• Input Voltage Tolerance: ±5 V
• RTD Wiring Resistance: ≤150 Ω per wire
• POT Resistance: ≤1,000 Ω total
• Accuracy: RTD: ±150 mΩ; POT: ±0.2% of full scale
• Temperature Drift: RTD: ±0.3 Ω/10°C; POT: ±0.4%/10°C
• Burn-out Detection: Configurable, 60-second detection time
• Update Period: 1 second
• Isolation Voltage: 500 V AC (input to system), 200 V AC (between channels)
• Power Consumption: 350 mA at 5 V DC
• Weight: Approx. 0.3 kg
• External Connection: KS8/AKB335 cable

Features

• Dual Signal Support: Handles both RTD and POT inputs for flexible deployment
• Channel Isolation: Ensures safety and signal integrity across all inputs
• Burn-out Detection: Prevents false readings and improves fault tolerance
• High Accuracy: Delivers precise measurements for critical control applications
• Temperature Stability: Maintains reliable performance across varying conditions
• G3 Compliance: Meets ISA G3 standards for enhanced environmental durability
• System Compatibility: Integrates seamlessly with Yokogawa CENTUM VP and FIO systems