Beckhoff CX2020 User Manual download pdf (Page 40)

Errorhandlinganddiagnostics

LEDsforKbusdiagnostics

Errorcode Errorcodeargu

ment

Description Remedy

Persistent,

continuous

flashing

EMCproblems • Checkpowersupplyforundervoltageor

overvoltagepeaks

• ImplementEMCmeasures

• IfaKBuserrorispresent,itcanbe

localizedbyarestartofthepowersupply

(byswitchingitoffandthenonagain)

1pulse 0 EEPROMchecksum

error

Reverttothemanufacturer’ssetting

1 Codebufferoverflow InsertfewerBusTerminals.Toomanyentriesin

thetablefortheprogrammedconfiguration

2 Unknowndatatype Softwareupdaterequiredforthepowersupply

2pulses 0 Programmed

configurationhasan

incorrecttableentry

Checkprogrammedconfigurationfor

correctness

n(n>0) Tablecomparison

(BusTerminaln)

Incorrecttableentry

3pulses 0 Kbuscommanderror • NoBusTerminalinserted

• OneoftheBusTerminalsisdefective;

halvethenumberofBusTerminals

attachedandcheckwhethertheerroris

stillpresentwiththeremainingBus

Terminals.RepeatuntilthedefectiveBus

Terminalislocated.

4pulses 0 KBusdataerror,

breakbehindthe

powersupply

Checkwhetherthen+1BusTerminaliscorrectly

connected;replaceifnecessary.

n BreakbehindBus

Terminaln

CheckwhethertheBusEndTerminal9010is

connected.

5pulses n Kbuserrorinregister

communicationwith

BusTerminaln

Exchangethen

busterminal

7pulses 0 Processdatalengths

ofthesetandactual

configurationsdonot

correspond

Checkconfigurationandterminalsfor

consistency

9pulses 0 Checksumerrorin

Flashprogram

Reverttothemanufacturer’ssetting

n(n>0) BusTerminalnisnot

consistentwiththe

configurationthat

existedwhentheboot

projectwascreated

Reverttothemanufacturer'ssettingwhichwill

clearthebootproject.

14pulses n n

BusTerminalhas

thewrongformat

Startthepowersupplyagain,andiftheerror

occursagainthenexchangetheBusTerminal.

15pulses n NumberofBus

Terminalsisnolonger

correct

Startthepowersupplyupagain.

16pulses n LengthoftheKBus

dataisnolonger

correct

Startthepowersupplyupagain.

CX2020,CX2030,CX204040 Version1.2

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Beckhoff CX2020 User Manual Page 40

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