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6 Synchronisation with "Distributed clocks" (DC)

6.2 Test of DC synchronicity

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

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6.2 Test of DC synchronicity

DC synchronicity is only available in the "Operational" state.

Test of DC synchronicity in »PLC Designer«

•EtherCAT master: Diagnostic Master tab

"DC In-Sync" is set (TRUE) if the DC master and all DC slaves have been synchronised.

Diagnostic tabs of the EtherCAT master

( 164)

• Function block L_ETC_GetMasterDiagnostic (FB)

( 144) / Visualisation of the function block

L_ETC_GetMasterDiagnostic ( 166)

"DC In-Sync" is set (TRUE) at the oDiagnostic.xDC_InSync output if the DC master AND all DC

slaves are synchronised.

• Function block L_IODrvEtherCAT (FB)

( 140)

"DC In-Sync" is set (TRUE) at the xDistributedClockInSync output if all DC slaves are synchronised.

Test of DC synchronicity in »WebConfig«:

In the code C281/5

, "DC In-Sync" is set (TRUE) if all DC slaves have been synchronised.

Diagnostic codes in the »WebConfig«

( 169)

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Lenze EtherCAT Controller-based Automation Manuel d'utilisateur Page 38