Control technology | ethercat communication manual – Lenze EtherCAT control technology User Manual
Page 124
Control technology | EtherCAT communication manual
EtherCAT function libraries
Function blocks for CANopen over EtherCAT (CoE)
124
L
DMS 3.1 EN 01/2011 TD17
Outputs (VAR_OUTPUT)
dwDataLen
DWORD
Number of the data bytes to be read
pbyData
POINTER TO BYTE
Pointer to the service data object (SDO) to be written
pdwOutDataLen
POINTER TO DWORD
Size of the memory buffer transmitted under pByData. The memory buffer has to be
great enough to contain the object read.
Identifier/data type
Meaning/possible settings
bDone
BOOL
FALSE: Upload is active.
TRUE: Upload has been executed.
bBusy
BOOL
FALSE: Upload is not active.
TRUE: Upload is active.
bError
BOOL
FALSE: No error
TRUE: An error has occurred.
dwErrorCode
DWORD
Display of a hexadecimal error code (see also
) if the
upload has failed (bError = TRUE).
Identifier/data type
Meaning/possible settings