Dual Processing Unit

Controller for conversion and evaluation of up to 2 sensor signals

Dual Processing Unit

The Dual Processing Unit (DPU) is an interface module that enables the synchronous recording and calculation of two sensor values and can also be used for digital/analog conversion. The inputs on the module can be switched via software (encoder or RS422 input). Selectable programs allow the automatic calculation of thickness, diameter, step or inclination, concentricity and ovality. The data output can be digital or analog with up to 100 kHz. Signal inputs and switching outputs are also available.

In the user-friendly web interface, the desired calculations can be selected and many other settings made. The DPU is downwards compatible with the C-Box/2A.


  • 2x RS422 inputs with 100 kHz each (sensor or encoder)
  • 2x switching inputs for trigger or master (HTL/TTL)
  • 2x scalable analog outputs (current: 4-20 mA; voltage: 0-5 V, 0-10 V, ±5 V, ±10 V)
  • 2x digital switchings output (HTL)
  • 1x Ethernet (TCP/UDP)
  • USB interface for data output and parameterization
  • Automatic sensor recognition
  • Parallel data output on 3 output interfaces
  • Statistics functions
  • 2-point linearization
  • 2-stage measurement averaging

Compatible sensors

  • optoNCDT: ILD1420, ILD1900, ILD2300
  • optoCONTROL: ODC2520
  • confocalDT: IFC241x, IFC242x, IFC246x
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