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Office /1
    • Main Office
      Burkert Contromatic New Zealand Limited
      44 Rennie Drive, Airport Oaks
      Auckland 2022 New Zealand
      Phone +64 9 256 7737
      Fax +64 9 256 7747
      E-Mail fnyrf.am@ohexreg.pbz
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bürkert
We make ideas flow.
We make ideas flow.

Control loop, closed

Control loop, closed

w: Set-point value or reference variable (required filling level)

x: Actual value or controlled variable (measured filling level)

xw: Control derivation (actual value - set-point value), also known as xd

y: Controller out put signal (control variable)

z1: Disturbance variable 1 (outflow from the tank)

z2: Disturbance variable 2 (evaporation of liquid from the tank)