Burkert 8681 - Other Features

20
System Description
5.3.7 Other features
•Centralopticalpositionindicator(devicestatusLED/TopLED)forshowingtheprocessvalveswitching
positions:
Positionsandstatusinformationaregenerallyindicatedby3signalcoloursofthedevicestatusLED(Top
LED),additionalcoloursanddisplaymodes(e.g.NAMUR)areavailableforthebüS/CANopenandthe
IO-Link design.
Theassignmentofthesignalcoloursandthe“ashingpatterns”indicatingthestatusortypeoferrorare
described in detail in chapter “21LEDColourAssignments”.
•
Simpleadaptationofthecontrolhead(positionmeasuringsystem)totheprocessvalvepistonrod/valve
spindle
•
Simpleadjustmentofthepositionmeasuringsystem by means of 3 Teach buttons on the electronic
module–eithermanualorautomaticadjustment(manualTeachfunctionorautomaticTeachfunction
(Autotune))-seechapter“20.2”onpage131
•
Thecapabilityofrestrictingthepilotvalves(solenoidvalves)for the individual setting of the expansion
andretractionratesoftheprocessvalveandtheindividualsettingoftheow-rateoftheworkingconnec-
tions(see“Fig.6”onpage26)
•
Energyecientsolenoidvalveactuationby lowering the holding current during long-term operation
•
Variouselectricalconnectionandcommunicationoptions(24VDC,120VAC,AS-Interface,DeviceNet,
IO-Link,büS/CANopen-seetherespectivechapter)
english
Control Head Type 8681