The part number 07-7331-2307/0000 refers to the BARTEC PROFIBUS Interface Module – 4 x RTD in Ex i, designed for use in hazardous areas (Zone 1/21). Here's a detailed look at its specifications and functionality:

 Technical Specifications

• Input Channels:

  • 4 × RTD inputs for Pt100, Pt1000, resistors, or potentiometers
  • Intrinsically safe (Ex ia/ib)

• Voltage Supply:

  • 24 V DC (operating range: 20–30 V)

• Power Consumption:

  • Output power: 4 W
  • Power dissipation: 4 W

• Protection Class:

  • Module: IP66
  • Terminals: IP20 (IP30 with cover)

• Weight: Approx. 2.1 kg

• Mounting: Clip-on enclosure for TH 35 rail

• Material: High-quality thermoplastic