SNCM_ETC_VoE_SendReceive (FB)¶

FUNCTION_BLOCK SNCM_ETC_VoE_SendReceive

Function block for an abstract SNCM vendor over EtherCAT communication

InOut:

Scope	Name	Type	Comment
Input	xExecute	BOOL	triggers the data transfer
	usiCom	USINT	index of first EtherCAT master
	uiDevice	UINT	physical slave address
	usiChannel	USINT	channel number; set != 0 although it’s unused
	udiVendorID	UDINT	vendor ID from device description
	uiVendorType	UINT	vendor type from device description
	uiInputMaxLength	UINT	maximal size of receive data; max 506 bytes
	pbyInputData	POINTER TO BYTE	pointer to receive data
	uiOutputLength	UINT	size of send data; max 506 bytes
	pbyOutputData	POINTER TO BYTE	pointer to send data
	udiTimeout	UDINT	timeout in ms for execution
Output	xDone	BOOL	communication is done
	xBusy	BOOL	communication is still busy
	xError	BOOL	an error occurred while communication
	xTimeoutError	BOOL	communication timed out with the set timeout value
	uiSizeReceived	UINT	size of received data