The Schneider 140ARI03010 is an analog input module for the Modicon Quantum automation platform. It provides 8 differential input channels for RTD temperature probes, converting resistance signals from Pt and Ni sensors into 13-bit digital values for process monitoring and control.

Inputs
• 8 differential analog input channels, RTD temperature probes only
• Pt 100, Pt 200, Pt 500, Pt 1000: -200 to 850 °C, and -100 to 450 °C
• Ni 100, Ni 200, Ni 500, Ni 1000: -60 to 180 °C
• Probe current 2.5 mA for Pt 100, Pt 200, Ni 100, Ni 200; 0.5 mA for Ni 100, Ni 200, Ni 500, Ni 1000
• Resolution 13 bits, input impedance 10 MΩ or higher
• Absolute accuracy 0.1 °C, linearity ±0.01 % of full scale ±0.5 °C
• Accuracy drift ±0.5 °C at 25 °C, ±0.9 °C over 0 to 60 °C
• Broken wire and over-range fault detection
• Update time 640 ms for 2-wire and 4-wire, 1200 ms for 3-wire

Specifications
• Product range: Modicon Quantum
• Product type: Analog input module
• Addressing: 9 input words
• Isolation: 1780 V AC or 2500 V DC between channels and bus, 300 Vrms between channels
• Bus current: 200 mA
• Power dissipation: 1 W
• Local signalling: bus communication LED, external fault LED, 8 channel on LEDs, 8 channel fault LEDs
• Operating temperature: 0 to 60 °C
• Net weight: 0.3 kg

Applications
Temperature acquisition in process plants, power generation and manufacturing: reactor and column temperatures, transformer oil and winding temperature, bearing and ambient monitoring on Modicon Quantum systems.