Beckhoff CX9020 User Manual download pdf (Page 38)

Errorhandlinganddiagnostics

5 Errorhandlinganddiagnostics

5.1 LEDsonthebasicCPUmodule

Display LED Meaning

PWR PowersupplyThePowerLEDcomesonwhenthe

deviceisconnectedtoalivepowersupplyunit

(green).

TheLEDblinksfast(red)ifthereisapowerfailure.

TheLEDblinksslow(red)ifthereisnooran

incorrectµSDcardinserted.

TC TwinCATstatusLEDTwinCATisinRunmode

(green)

TwinCATisinStopmode(red)

TwinCATisinConfigmode(blue)

FB1 StatusLED1forfieldbus(functioniswrittenatthe

fieldbusinterface)

FB2 StatusLED2forfieldbus(functioniswrittenatthe

fieldbusinterface)

HDD1 IndicatesaccesstotheµSDcardinslot1.LED

flashesgreenduringreadaccess.

LEDflahesyellowduringwriteaccess.

HDD2 IndicatesaccesstotheµSDcardinslot2.LED

flashesgreenduringreadaccess.

LEDflahesyellowduringwriteaccess.

CX902038 Version1.1

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Beckhoff CX9020 User Manual Page 38