Siemens Simantic ET200SP System Manual page 264

Test functions and eliminating problems
13.1 Test functions
Simulation
With STEP 7 you can run and test the hardware and software of the project in a simulated
environment. Start the simulation using the menu command "Online" > "Simulation" > "Start".
Reference
You can find more information on test functions in the STEP 7 online help.
Further information about testing with trace and logic analyzer functions is available in the
Function Manual Using the trace and logic analyzer function
(http://support.automation.siemens.com/WW/view/en/64897128).
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Distributed I/O system
System Manual, 12/2016, A5E03576849-AG