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8. DEBUGGING FUNCTION
(4) Retrieve the trace results from the CPU module and display them.
(a) Read the trace results from the CPU module by using "A. ( ) Read from PC
(Results)" on "Program Trace" screen.
(b) Display the read trace results by using "4. ( ) Trace Results Display" on "Program
Trace" screen.
NOTE
1) The program trace can be performed only for STEP-RUN.
2) Set program trace files in the RAM area of the memory card.
3) It is possible to execute program trace from another station in the network, or
from a serial communication module. However, sampling trace cannot be
executed from more than one site at the same time. With the QnACPU,
sampling trace can be executed from only one site at a time.
4) The program trace is performed by connecting the QnACPU with the
peripheral device capable of GPP function.
POINT
Once the program trace has been executed, the second is not executed. To
execute the trace again, execute the PTRAR instruction to reset program trace.
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