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4. A2CCPU
- - - - - - - - - - - - - - - - - - - - MELSEC·A
(4)
Sampling intervals
Sampling intervals are set in one of the following methods: after the
execution of END instruction or in defined intervals.
(a) After execution of END instruction
Sampling trace data is taken each time the END instruction of the
sequence program is executed.
I
(b) In defined intervals
Sampling trace data is taken in defined intervals,
10
x n msec
(n: Oto 199).
[
In this setting, sampling trace data is even taken during the execution of
al
sequence program.
J
After execution of END Instruction
Sampling trace
execution
NO
Step 0
NO
~-------r-------...,_--_j
Sequence program
execution
In defined Intervals
END
Step 0
Sampling trace
execution
Fig. 4.20 Execution of Sampling Trace
4-32

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