8.
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DEBUGGING FUNCTION
8.7.1 Step execution
Step execution is a sequence program execution that performs by one step at a time,
starting from the designated step.
It allows a sequence program execution while checking an execution status of the
sequence program and the contents of each device during debugging.
There are two types of step execution as described below:
(1) Step execution for one instruction
Instructions are executed one for each step starting from the step where program
operation is stopped. Program operation is stopped again after execution of each
instruction.
This method is used to confirm the status of each devices after execution of one
instruction.
(2) Step execution with designated loop count
Program execution is repeated for the designated loop count (range: 1 to 32767)
beginning with step 0 or the step where program operation was last stopped, and is
stopped at the designated step (break point).
Fig. 8.2 Step execution for each instruction
Fig. 8.3 Step execution with designated loop count
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