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9 Function library L_IODrvEtherCAT.lib

9.2 CoE Interface

126

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

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Outputs (VAR_OUTPUT)

pBuffer

CAA_PVOID

Reference to memory buffer to which the values to be read are to be copied.

szSize

CAA_SIZE

Size of the memory buffer transmitted to pBuffer.

• The memory buffer must be big enough to accept the read object.

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)

udiSdoAbort

UDINT

If a read request (upload) from the slave or master is rejected with an error, here the

CANopen abort code is returned.

szDataRead

CAA_SIZE

Number of bytes for the read request (upload) that is actually read

Identifier/data type Meaning/possible settings

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Lenze EtherCAT Controller-based Automation Manual do Utilizador Página 126