Beckhoff CX9020 User Manual download pdf (Page 31)

Commissioning

4 Commissioning

4.1 Switchingonandoff

Switchingon

ThepowersupplyforthebasicCPUmodulecomesfromthepowersupplyunit.ThebasicCPUmodule

startsautomaticallywhenthepowersupplyunitisconnectedtothemains.

Switchingonforthefirsttime

WhenyouswitchonthePCforthefirsttime,thepreinstalledoperatingsystem(optional)willbestarted.

Switchingoff

TheEmbeddedPCswitchesoffwhenthepowersupplyunitisswitchedoff.Thecontrolsoftwaretypically

runningonEmbeddedPCsshouldbeshutdownorstoppedcorrectly.Auserwhomaynotclosesoftware

mayalsonotswitchtheEmbeddedPCoff,sincedatacanbelostfromtheharddiskbyswitchingoffwhile

softwareisrunning.

Oncethesoftwarehasbeenstopped,theoperatingsystemcanbeshutdown.Onlythenshouldthepower

supplybeinterrupted.

CX9020 31Version1.1

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Beckhoff CX9020 User Manual Page 31