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7 DIGITAL OSCILLOSCOPE
7.6 Sampling Functions
7.6 Sampling Functions
The functions used to perform sampling with the digital oscilloscope are as follows.
Sampling type
The sampling type sets the sampling method.
Trigger sampling
Values before and after the trigger (when specified conditions established) are sampled only in the specified range. Sampling
is complete when saving to the specified save destination is complete.
Sampling start settings
Sampling start settings specify conditions required to start sampling with the digital oscilloscope.
User operation
Sampling of the sampling settings file stored in the standard ROM or SD memory card is started with a digital oscilloscope
RUN output, or when the "Sampling settings RUN request (SM860)" turns from OFF to ON.
■RUN from digital oscilloscope
The sampling settings file is specified, and sampling is started with digital oscilloscope RUN. Sampling can be stopped with
digital oscilloscope STOP during sampling.
■"Sampling settings RUN request (SM860)" OFF ON
"Sampling settings storage target (SD860)" is specified, and sampling is started when "Sampling settings RUN request
(SM860)" is turned ON. Furthermore, sampling is stopped by turning the "Sampling settings RUN request (SM860)" OFF.
Sampling can be performed even when not connected to the personal computer.
Digital oscilloscope request device
Digital oscilloscope setting device
Sampling interval
Set the interval condition for sampling with the digital oscilloscope.
Operation cycle
Sampling is always performed in the operation cycle interval.
Sampling rate specification
Sampling is performed in "0.222ms sampling rate interval".
Setting item Setting details Setting value Fetch cycle Device No.
Sampling settings
RUN request
Requests sampling. By setting the "Sampling settings storage target" and
turning ON the RUN request, sampling is started. Sampling is stopped by
turning OFF the request during sampling. This device does not change even
when sampling is complete. The RUN request is ignored even if the device is
turned from OFF to ON while the "Sampling settings RUN status" is ON.
ON: RUN
OFF: STOP
Main cycle SM860
Setting item Setting details Setting value Fetch cycle Device No.
Sampling settings
storage target
Set the storage target drive for sampling settings data subject to sampling.
Read when the "Sampling setting RUN request" is ON.
0: Standard ROM
1: SD memory card
When
"Sampling
setting RUN
request" is ON
SD860
Sampling rate range
1 to 10000
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