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15.14 Downloading in RUN mode
S7-1200 Programmable controller
1336 System Manual, V4.2, 09/2016, A5E02486680-AK
Prerequisites for "Download in RUN mode"
To be able to download your program changes to a CPU that is in RUN mode, you must
meet these prerequisites:
● Your CPU version is V3.0 or later
Note
Your CPU version must be V4.0 or later to
modify the extended block interface in RUN
(Page 1341)
● Your program must compile successfully.
● You must have successfully established communication between the programming
device where you are running STEP 7 and the CPU.