CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 09/2016, A5E35873416-AA
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Test functions and troubleshooting
Test functions
Introduction
You have the option of testing the operation of your user program on the CPU. You can then
monitor signal states and values of tags and can assign values to tags to simulate specific
situations in the running of the program.
Note
Using test functions
The use of test functions can influence the program execution t
ime and thus the cycle and
response times of the controller to a slight extent (a few milliseconds).
● There is an online connection to the relevant CPU.
● An executable user program is available in the CPU.
● Testing with program status
● Testing with a watch table
● Testing with a force table
● Testing with a PLC tag table
● Testing with a data block editor
● Testing with the LED flash test
● Testing with a trace function
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