Requirements for use 
  3.3 Programming 
CP 343-1 
Manual, 12/2018, C79000−G8976−C201-08 
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Downloading configuration data 
It is possible to download the configuration data to the CP via MPI or LAN/Industrial 
Ethernet. 
GSDML file for configuration in third-party systems  
You will find the GSDML file for the CP described here on the Internet under the following 
entry ID (entry type "Download"): 
19698639 (http://support.automation.siemens.com/WW/view/en/19698639)  
 
Programming 
Program blocks 
For some communications services, there are preprogrammed program blocks (FCs / FBs) 
available as the interface in your STEP 7 user program. 
Please note the documentation of the program blocks in the online help of STEP 7 or in the 
manual /10/ (Page 73). 
 
Note 
Current block versions 
We recommend that you always use the latest block versions for all module types.
 
You will find information on the current block versions and the current blocks for
 download 
 
https://support.industry.siemens.com/cs/ww/en/ps/15342/dl) 
With older module types, this recommendation assumes that you are using the latest 
firmware for the particular module type.