The Z-4RTD-2 module acquires up to 4 RTD signals (through 4 inputs regardless and isolated with each other) it converts them it to a temperature or resistance measure.


  • It’s possible to choose if the input is RTD-type: PT100, NI100, PT500, PT1000
  • It’s possible to choose the RTD-measure type: temperature (°C) or resistance(for each input)
  • It’s possible to choose if RTD-wire connection: 2-wire, 3-wire or 4-wire (for each input)
  • Wire measure and wire resistance compensation (if 3-wire connection)
  • Configuration of a filter applied to each input signal
  • It is possible to configure the module (node) address and baud-rate by Dip-Switches
  • It is possible to add/remove the module to/from RS485-bus without disconnecting the  communication or power supply.
  •  It is possible to switch automatically RS485 to RS232 or vice versa


: 13bit (if filter=0-1); 14 bit (if filter=2-7)


: 50Hz or 60 Hz


: (0-7) IIR and FIR; configurable between: 0 (deactivated), from 1(min) to7(max)


: Initial: 0.05% of 350 


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