Beckhoff CX9020 Manuel d'utilisateur télécharger pdf (Page 42)

Errorhandlinganddiagnostics

5.3 LEDsofthepowersupplyinEbusmode

Afterswitchingon,thepowersupplyimmediatelycheckstheconnectedBusTerminalconfiguration.Error

freestartupissignaledbythered"I/OERR”LEDbeingextinguished.Ifthe“I/OERR”LEDblinks,anerror

intheareaoftheterminalsisindicated.Theerrorcodecanbedeterminedfromthefrequencyandnumberof

blinks.Thispermitsrapidrectificationoftheerror.

Display LED Meaning

Us24V PowersupplyfortheCPUmodule

TheLEDlightsgreenifthepower

supplyiscorrect.

Up24V Powersupplyforterminalbus.The

LEDlightsgreenifthepowersupply

iscorrect.

L/A off Ebusnotconnected

on Ebusconnected/nodatatraffic

flashing Ebusconnected/datatrafficonthe

Ebus.

CX902042 Version1.1

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Beckhoff CX9020 Manuel d'utilisateur Page 42