B&R X20AT2222

Product Introduction:
High-precision temperature measurement slice for the B&R X20 I/O system. Each channel can be independently configured for Pt100 or Pt1000 sensors in 2-wire or 3-wire connection. Features 16-bit sigma-delta ADC and extensive diagnostics.
Category:
Description
Technical Specifications:
  • Inputs:​ 2 × resistance thermometer (Pt100 –200…+850 °C; Pt1000 –200…+850 °C)
  • Measurement Range (resistance):​ 0.1–4500 Ω (G=1); 0.05–2250 Ω (G=2)
  • Resolution:​ 16-bit
  • Conversion Time:​ 20 ms (1 ch), 80 ms (2 ch) @ 50 Hz filter
  • Measurement Current:​ 250 µA ±1.25%
  • Accuracy:​ Gain error ≤0.037%; Offset drift ≤0.00015 %/°C
  • Filter:​ Configurable low-pass (1 ms – 66.7 ms)
  • Diagnostics:​ Open-circuit detection, over/under-range, module status LEDs
  • Isolation:​ Bus isolated from channels (500 V~); channels NOT isolated from each other
  • Power Consumption:​ Bus = 0.01 W; Internal I/O = 1.1 W
  • Operating Temp.:​ –25 … +60 °C (horizontal); –25 … +50 °C (vertical)
  • IP Rating:​ IP20
  • Required Accessories:​ X20BM11 (bus module), X20TB06 or X20TB12 (terminal block)
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