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Download, testing and diagnostics
CPU 317T: Technology Functions
8-10 A5E00251798-03
8.6 Testing with breakpoints
You can test your user program with breakpoints, same as in STEP 7 (for further
information, refer to the STEP 7 documentation).
The Technology CPU has some special features with respect to safety
requirements. See the figure below: Menu command
Breakpoint reached
After the breakpoint is reached, the PLC changes as usual to "HOLD"; the "RUN"
LED flashes at 0.5 Hz, the "STOP" LED is lit permanently. In "HOLD" mode, the
outputs of the PLC and of its integrated technology are shut down.
The Test > Execute Next Statement command
After the breakpoint is reached, you can continue to test your user program by
selecting the Test > Execute next instruction.
The Test > Resume command
After you execute Test > Resume, the Technology CPU changes to "STOP".
"Restart" the Technology CPU in order to set it to "RUN" mode again.
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