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9 Function library L_IODrvEtherCAT.lib

9.4 Diagnostic Interface

144

Lenze · Controller-based Automation · EtherCAT® Communication Manual · DMS 6.4 EN · 04/2014 · TD17

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9.4.3 L_ETC_GetMasterDiagnostic (FB)

When called, this function block returns a structure with diagnostic information at the oDiagnostic

output (type L_ETC_DIAGNOSTIC

( 156)).

The processing of the POU requires some microseconds (μs).

Visualisation: VISU_L_ETC_GetMasterDiagnostic

Inputs (VAR_INPUT)

Outputs (VAR_OUTPUT)

L_ETC_GetMasterDiagnostic

BOOL  xReset xDone  BOOL

xBusy  BOOL

xError  BOOL

eErrorCode  L_ETC_ERRORCODE

oDiagnostic  L_ETC_DIAGNOSTIC

Identifier/data type Meaning/possible settings

xReset

BOOL

A positive edge (TRUE) resets the error counter of the output structure oDiagnostic.

(Exception "Frame Lost Counter")

Identifier/data type Meaning/possible settings

xDone

BOOL

• TRUE: An action has been executed successfully.

• FALSE: No action active / action is still being executed.

xBusy

BOOL

• TRUE: An action is currently being executed.

•FALSE: No action active

xError

BOOL

• TRUE: An error has occurred.

•FALSE: No error

eErrorCode

L_ETC_ERRORCODE

Error code of the incorrectly executed action (xError =TRUE).

General error codes (L_ETC_ERRORCODE)

( 183)

SDO abort codes

( 195)

oDiagnostic

L_ETC_DIAGNOSTIC

Diagnostic information of the L_ETC_DIAGNOSTIC ( 156) type that is returned

when the function block is called.

•The output oDiagnostic.xDC_InSync is set (TRUE) if the DC master and all DC

slaves have been synchronised.

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