Online and diagnostic tools
15.13 Monitoring and modifying values in the CPU
S7-1200 Programmable controller
1326 System Manual, V4.2, 09/2016, A5E02486680-AK
Going online to monitor the values in the CPU
To monitor the tags, you must have an online connection to the CPU. Simply click the "Go
online" button in the toolbar.
When you have connected to the CPU, STEP 7 turns the headers of
the work areas orange.
roject tree displays a comparison of the offline project and the
online CPU. A green circle means that the CPU and the project are
synchronized, meaning that both have the same configuration and
user program.
Tag tables show the tags. Watch tables can als
o show the tags, as
well as direct addresses.
To monitor the execution of the user program and to display the values of the tags,
click the "Monitor all" button in the toolbar.
The "Monitor value" field shows the value for each tag.
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