Beckhoff CX2020 Uživatelský manuál stáhnout pdf (Strana 38)

Commissioning/Configuration

Theinterruptionisindicatedby"LNK_MISC"atcouplerEK1100.

TheEtherCATringisexpandable.Thenumberofdevicesintheringiscontrolledbylicenses:upto250,up

to1000,morethan1000.Amasterisonlyabletobridgeonefailure.Intheeventoftwofailuresthering

componentswillcontinuetorunuptothebreakingpoints.

4.2 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.

CX2020,CX2030,CX204038 Version1.2

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Beckhoff CX2020 Uživatelský manuál Strana 38