EcatBusDiag (FB)

FUNCTION_BLOCK EcatBusDiag

Function block to read bus diagnosis data

InOut:

Scope	Name	Type	Initial	Comment
Input	Execute	BOOL
	Device	IDeviceCM579EtherCAT		CM579-ECAT coupler device
	Len	UINT	0	Element count of array SlvState
	SlvState	POINTER TO teEcatDevState	0	Pointer to an array that will be filled with slave states
Output	Done	BOOL
	Busy	BOOL
	Error	BOOL
	ErrorID	ERROR_ID		Error code describing error condition
	AddErrNo	UDINT		Additional error code for detailed error description, will be set if ErrorID = ERROR_ID.ADDITIONAL_ERROR_INFO.
	NumActSlv	UDINT	0	Number of active slaves
	NumConfSlv	UDINT	0	Number of configured slaves
	NumFaultSlv	UDINT	0	Number of faulty slaves
	CurrentState	teEcatDevState		Current state of master
	TargetState	teEcatDevState		Target state of master
	StopReason	UDINT		0: State change in progress/successful, otherwise: Last state change has been aborted
	StatusFlags	UDINT		Master status flags: Bit 0: At least one mandatory slave not connected, Bit 1: DC slaves are not syncing their sys time, Bit 2: At least one mandatory slave not in OP
	CommErno	UDINT	0	Communication error