Requirements for use
3.3 Program blocks
CP 343-1 Lean
Equipment Manual, 01/2023, C79000−G8976−C198−09
27
3.3 Program blocks
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 76).
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
on the Internet under:
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.
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