CM579EcatSoeRead (FB)

FUNCTION_BLOCK CM579EcatSoeRead EXTENDS CM579EcatBase

Function block to read a SOE object of an EtherCAT slave, which supports the SOE protocol

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	Execute	BOOL	FALSE	A rising edge starts a single operation, the output Busy goes to TRUE. In the first cycle all other inputs are read and stored, afterwards they are ignored. A falling edge does not stop the operation. After Done = TRUE or Error = TRUE and Execute = FALSE all outputs will be reset. For executing another operation the Execute input needs to be retriggered by another rising edge!	AbbETrig3
Output	Done	BOOL	FALSE	Operation is completed without error (while outputs Busy and Error are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE	AbbETrig3
	Busy	BOOL	FALSE	Operation is running (while outputs Done and Error are FALSE)	AbbETrig3
	Error	BOOL	FALSE	Operation is stopped with error (while outputs Busy and Done are FALSE). This output is TRUE for at least one cycle or until Execute is set to FALSE. The output ErrorID gives more details about the error.	AbbETrig3
Input	Device	IDeviceCM579EtherCAT		CM579-ECAT coupler device	CM579EcatBase
Output	ErrorID	ERROR_ID		Error code describing error condition	CM579EcatBase
	AddErrNo	UDINT		Additional error code for detailed error description, will be set if ErrorID = ERROR_ID.ADDITIONAL_ERROR_INFO.	CM579EcatBase
Input	Node	UINT	0	NODE ID
	DriveNr	BYTE	0	Number of the drive, starts with 0
	SercosID	UINT	0	Sercos Identification number
	Flag	BYTE	0	Read flag to determine, which attribute of the object shall be read
	MaxLen	UINT	0	Maximum length of the data array, max value is 1024 bytes
	Data	POINTER TO BYTE	0	Address of the data array, where the received data is copied to
	Timeout	UDINT	0	Timeout in milliseconds until data is received
Output	Len	UDINT	0	Length of the received data in bytes