SCHNEIDER|140ARI03000| Analog Resistance Input Module

Schneider 140ARI03000 Analog Resistance Input Module

Description
The Schneider 140ARI03000 is a 16-channel analog resistance input module for the Modicon Quantum automation platform, designed to interface with RTDs and resistive sensors.

Features

• 16 differential resistance inputs
• Supports multiple RTD types (e.g., Pt100, Ni120)
• Built-in lead-wire compensation and open-circuit detection

Technical Specifications

• Input channels: 16, differential
• Measurement range:
  • 0–300 Ω (standard)
  • Configurable for common RTD types (Pt100, Pt500, Ni120, etc.)
• Resolution: Up to 0.1 Ω
• Accuracy: ±0.1% of full scale typical
• Excitation current: ~1 mA (sensor-dependent)
• Update time: ~15 ms per channel
• Input impedance: High impedance (>1 MΩ)
• Fault detection: Open-circuit (broken wire) alarm
• Isolation: 500 V AC between field and backplane
• Power dissipation: Approx. 3 W
• Bus current draw: ~200 mA at 5 V DC
• Indicators:
  • 1 green LED (module active)
  • 1 red LED (module fault)
  • 16 channel status LEDs (green/red per channel)
• Environmental:
  • Operating temperature: 0–60 °C
  • Storage: –40–85 °C
  • Humidity: ≤95% non-condensing
  • Altitude: ≤2000 m
• Certifications: CE, cUL, UL 508, CSA C22.2 No 142
• Dimensions: 12.2 × 6.5 × 1.8 in (31.0 × 16.5 × 4.6 cm)
• Weight: ~0.7 lb (0.32 kg)