Siemens S7-1200 Programming Manualline page 59

3 General Programming
3.7 Libraries
Step
2.
3.
4.
Programming Guideline for S7-1200/1500
V1.2, Entry ID: 81318674
Select which controller is to be used as test environment and confirm the dialog
with "OK".
If several controllers in the project use the selected block, a controller has to be
selected as test environment.
The library view opens. A new version of the block has been created and is now
marked with "in test".
Add another input tag.
In this place you have the option to test the change on the block by loading the
project onto a controller. When you have finished testing the block, continue with
the following steps.
Instruction
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