Burkert 8693 - THE OPERATING INSTRUCTIONS; Symbols

8
System description
Pilot air port
(Label:1)
Exhaustairport
(Label:3)
Electricalconnectionhousing
(Connectionoptionwithcircular
plug-inconnector)
Transparent cap
(belowcontrolmodulewithdisplay
andkeys)
Housingjacket
Additionalexhaustairport
(Label:3.1)
onlyforTypes23xxand2103withpilot-controlledcontrol
systemforahighairowratefromactuatorsizeø125/130
Airintakelter
Pressurelimitingvalve
Electricalconnectionhousing
(Connectionoptionwithconnection
terminals)
Fig. 2: Structure type 8692/8693
5.1 Functions
Type8692-Positioner(positioncontroller)
Thepositionoftheactuator(stroke)isregulatedaccordingtothe
positionset-pointvalue.Thepositionset-pointvaluecanbe
speciedbyanexternalstandardsignal(orviaeldbus).
Type8693-Processcontroller
Theprocesscontrollerislinkedtoacontrolcircuit.Theposition
set-pointvalueofthevalveiscalculatedfromtheprocessset-
pointvalueandtheprocessactualvalueviathecontrolparam-
eters(PIDcontroller).Theprocessset-pointvaluecanbesetby
anexternalsignal.
english
Type 8692, 8693 REV.2