Online and diagnostic tools
15.14 Downloading in RUN mode
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1337
Changing your program in RUN mode
To change the program in RUN mode, you must first ensure that the CPU and program meet
the prerequisites (Page 1336), and then follow these steps:
1. To download your program in RUN mode, select one of the following methods:
– Select the "Download to device" command from the "Online" menu.
– Click the "Download to device" button in the toolbar.
– In the "Project tree", right-click "Program blocks" and select the "Download to device >
Software" command.
If the program compiles successfully, STEP 7 starts to download the program to the CPU.
2. When STEP 7 prompts you to load your program or cancel the operation, click "Load" to
download the program to the CPU.
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