FB_FTP_FileDownload

Files can be transferred from the FTP server to an ADS-Device with the function block FB_FTP_FileDownload. This function block uses an already open connection to an FTP server.

Inputs

VAR_INPUT
     sNetID   : T_AmsNetId  := '';
     hFTP     : T_HFTP
     sSrcFile : T_MaxString := '';
     sDesFile : T_MaxString := '';
     bExecute : BOOL;
     tTimeout : TIME        := T#15s;
END_VAR

Name	Type	Description
sNetID	T_AmsNetId	A string containing the AMS network ID of the target device, at which the ADS command is directed.
hFTP	T_HFTP	Handle of the FTP server.
sSrcFile	T_MaxString	Source file to be copied from the FTP server.
sDesFile	T_MaxString	Destination filename with path specification.
bExecute	BOOL	The function block is executed with the rising edge.
tTimeout	TIME	Indicates the timeout period.

Outputs

VAR_OUTPUT
     bBusy    : BOOL;
     bError   : BOOL;
     nErrID   : UDINT;
     nProgress: UDINT;
END_VAR

Name	Type	Description
bBusy	BOOL	The command is in the process of being transmitted by ADS. No new command will be accepted as long as "bBusy" remains TRUE.
bError	BOOL	Becomes TRUE, as soon as an error occurs.
nErrID	UDINT	Returns the corresponding error code in the event of a set bError output.
nProgress	UDINT	Displays the current status of the transmission in percent. With CE FTP server no intermediate values are returned only 0% and 100%.

Requirements

Development Environment	Target Platform	PLC Libraries to include
TwinCAT v3.0 Build 3102	PC or CX (x86)	Tc2_FTP