Siemens CP 243-1 Operating Instructions Manual page 26

Application and properties
1.6 IT communication
The FTP servers specified in the configuration with their IP addresses must be located in the
subnet of the CP 243-1 or must be accessible via a gateway.
NOTICE
The data transferred from or to the memory of the S7-200 CPU via FTP is transferred in
binary mode. There is no conversion or formatting of this data whatsoever. The data to be
transferred is not stored permanently on the CP 243-1.
Configuration
The FTP requests are configured with the Internet wizard of STEP 7 Micro/WIN 32. The
configuration data entered here is stored permanently in the file system of the CP 243-1 in a
file with the extension .fdb. The data is transferred from the system on which the
configuration was created with STEP 7 Micro/WIN 32 to the CP 243-1 via FTP.
Up to 32 FTP requests can be predefined each with a separate file transaction. Each of
these requests is described by the following set of parameters:
● FTP request number:
● IP address of the FTP server:
● User name on the FTP server:
● Password on the FTP server:
● Path name of the relevant file:
The file name including the complete path must be specified here.
● Request type to be executed: Possible request types are as follows:
● Start address and length of the data in the data block:
26
With this number, the S7-200 user program can reference every configured FTP request.
IP address of the system whose file system will be accessed.
The login on the FTP server is made using this name. This means that the name
specified here must have access rights for the addressed FTP server.
The encrypted password specified here is used for the login on the FTP server.
– Write to the file system of the FTP server
– Read from the file system of the FTP server
– Delete from file system of the FTP server
Operating Instructions, 03/2012, C79000-G8976-C244-02
CP 243-1