I/O Module/Modbus RTU/3AI/RTD

  • Interface: RS-485
  • Protocol: Modbus RTU / DCON
  • 3-channel 16-bit RTD input (Pt100, Ni120, Pt1000)
  • open wire detection
  • 2/3/4-wire RTD Input with Lead Resistance Elimination
  • 3 kV Intra-module isolation
  • Dual Watchdog
  • DIN-Rail Mountable




The I-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. The module allows 2/3/4-wire RTD connections and features open wire detection. In addition, the I-7033 also includes 3000 VDC intra-module isolation, and supports lead resistance elimination for 3/4-wire connections