IBusSpecificDataHandler.ScanDeviceSpecificFSps (METH) ¶ METHOD ScanDeviceSpecificFSps : ERROR Method to check if a specific F-SPS physically exists and to synchronize the buffer size of CODESYS / Std-SPS with the F-SPS InOut: Scope Name Type Comment Input eFSpsBusId FSPSBUSDRV F-SPS bus driver ID hWriter RTS_IEC_HANDLE writer for the reply udiStdSpsBufferSize UDINT size of the communication buffer of CODESYS / the standard SPS Return ScanDeviceSpecificFSps ERROR

SncDeviceDriverBase.TransmitDeviceSpecificData (METH) ¶ METHOD TransmitDeviceSpecificData : ERROR Method to transmit the content of a SNC service request to a specific F-SPS and to transform its reply as a SNC service reply InOut: Scope Name Type Comment Input eFSpsBusId FSPSBUSDRV F-SPS field bus ID szSafetySvcDevAddr STRING device address to which the service should be directed pbySafetySvcData POINTER TO BYTE pointer to the specific safety service data udiSafetySvcDataSize UDINT size of this data hWriter RTS_IEC_HANDLE writer for the reply; udiStdSpsBufferSize UDINT size of the communication buffer of the standard SPS Return TransmitDeviceSpecificData ERROR

SncDeviceDriverBase.WasInitialized (PROP) ¶ PROPERTY WasInitialized : BOOL Property of type ‘BOOL’ to get / set if the service provider has been already Initialized

SncDeviceDriverBase.WriteScanReply (METH) ¶ METHOD PROTECTED WriteScanReply : ERROR Method to write the reply of the field bus specific scan result InOut: Scope Name Type Comment Input hWriter RTS_IEC_HANDLE writer for the reply bAlive BOOL flag if F-SPS is still alive eError ERROR SNC ERROR Return WriteScanReply ERROR

DEVDRV_ETC (GVL) ¶ Global constants for the EtherCAT device driver for reading config parameters from the device description Attributes: qualified_only InOut: Scope Name Type Initial Comment Constant VoE_COMMBUFFERSIZE_ID UDINT 16#88000000 size of the comm buffer of the EtherCAT mailbox VoE_TIMEOUT_ID UDINT 16#88000001 timeout of the EtherCAT mailbox BLOCK_TIMEOUT_MULTIPLIER_ID UDINT 16#88000002 multiplier to get a block timeout on base of the above timeout MSG_TIMEOUT_ID UDINT 16#88000003 message timeout for a complete reply

SncEtherCATDriver (FB) ¶ FUNCTION_BLOCK FINAL SncEtherCATDriver EXTENDS SncDeviceDriverBase IMPLEMENTS IBusSpecificDataHandler Function block for an EtherCAT device driver to handle the SNC services addressed to its connected F-SPS extends ‘SncDeviceDriverBase’ and implements the interface ‘IDeviceSpecificDataHandler’ represents one connected EtherCAT F-SPS and registers it to the SncServiceProvider scans for this specific F-SPS and synchronizes its communication buffer size with the one from the Std-SPS handles the service requests coming from the SNC service handler with the help of the EtherCAT bus handler Properties: BlockTimeoutMs BlockTimeoutMultiplier CommBufferSize CommTimeout FSpsBusID MsgTimeoutMs ScanTimeoutMs FSpsDeviceAddress , inherited from SncDeviceDriverBase SyncdWriterSize , inherited from SncDeviceDriverBase WasInitialized , inherited from SncDeviceDriverBase Methods: InitDeviceSpecificFSps ScanDeviceSpecificFSps InitOnDownload , inherited from SncDeviceDriverBase Initialize , inherited from SncDeviceDriverBase TransmitDeviceSpecificData , inherited from SncDeviceDriverBase WriteScanReply , inherited from SncDeviceDriverBase Structure: BlockTimeoutMs (Property) BlockTimeoutMultiplier (Property) CommBufferSize (Property) CommTimeout (Property) FSpsBusID (Property) InitDeviceSpecificFSps (Method) MsgTimeoutMs (Property) ScanDeviceSpecificFSps (Method) ScanTimeoutMs (Property)

SncEtherCATDriver.BlockTimeoutMs (PROP) ¶ PROPERTY BlockTimeoutMs : UDINT Property of type ‘UDINT’ to get the block timeout in ms of the underlying block driver The block timeout is used while sending a data block

SncEtherCATDriver.BlockTimeoutMultiplier (PROP) ¶ PROPERTY BlockTimeoutMultiplier : UDINT Property of type ‘UDINT’ to get the multiplier for the block timeout on base of the comm timeout

SncEtherCATDriver.CommBufferSize (PROP) ¶ PROPERTY CommBufferSize : UINT Property of type ‘UINT’ to get the comm buffer size of the underlying EtherCAT VoE interface is limited to a maximum value set by ETC_GCL.VoE_COMMBUFFERSIZE_DEFAULT

SncEtherCATDriver.CommTimeout (PROP) ¶ PROPERTY CommTimeout : UDINT Property of type ‘UDINT’ to get the timeout in ms of the underlying EtherCAT VoE interface