Sampling Setup


The Sampling Setup page is used to configure the Sampling Times and Sampling Clock.

Click the "Next" button when you have finished setting all items and want to use the wizard to make Start Trigger Setup.

 

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Details

Item

Description

①Sampling Clock

Clock Type = Internal clock

- Sampling is performed at the timing of the internal clock of the device when you select "Clock Type = Internal clock".

- Sets the period in "Internal Clock Settings."
  The maximum value that can be set with the C-LOGGER is 60,000,000 μsec (60 seconds).
  Even if the device supports a sampling period greater than 60 seconds, 60 seconds is the maximum value that can be set with the C-LOGGER.

- Update Interval specifies the number of samples displayed on the YT graph at each update.
 The timing at which the entire YT graph is cleared and redrawn from the beginning of the graph is adjusted by the memory size parameter in Memory Option.

- Internal Clock (with specified period)

The frequency changes automatically when the period value in "Internal Clock" setting is specified.
Specify the period value in "Internal Clock" setting and select the unit as below.

μsec (microsecond)
msec (millisecond)
sec (second)

The internal clock can be set 0.025 μsec unit. Note that fractions are truncated.

Example) If you specify 10.040 μsec for the clock, the set value will be adjusted to 10.025 μsec.

- Internal Clock (with specified frequency)

"Internal Clock" setting can also be set by frequency.
The period changes automatically when the frequency value in "Internal Clock"  setting is specified.
Specify the value in "Internal Clock" setting and select the unit as below.

Hz
KHz
MHz

The internal clock can be set 0.025 μsec unit. Note that fractions are truncated.

Example) When 3KHz is specified for the frequency, the clock to be set is 333.325 μsec.

①Sampling Clock

Clock Type = External clock

 

- Sampling is performed at the timing of the clock signal input from the outside when you select "Clock Type = External clock".

External clock (Falling edge): Sampling is performed at the timing of the falling edge of the clock signal input from the outside.
External clock (Rising edge): Sampling is performed at the timing of the rising edge of the clock signal input from the outside.

- The update interval specifies the frequency at which data is added to the YT graph.
 With the default setting of 100, 100 data is added to the YT graph every 100 samples.

  The timing at which the entire YT graph is cleared and redrawn from the beginning of the graph is adjusted by the memory size parameter in Memory Option.
 

- On the AI-1204Z-PE and AI-1204Z2-PCI, the YT graph may temporarily appear unchanged.

  On the AI-1204Z-PE and AI-1204Z2-PCI, data is transferred to the PC every 128 to 512 samples to optimize operation.

  Therefore, the YT graph display may temporarily appear unchanged, although sampling continues normally.
 At each update interval, C-LOGGER displays and collects the data that has already been transferred to the PC.

  When data collection ends, any remaining data is transferred to the PC.

②Sampling Times

Select Finitude or Infinity for Sampling Times.
And specify number of times for Finitude.

③Conversion Speed

Specify conversion speed.
Conversion speed is the time interval of each channel when plural channels are converted.

④Repeat Times

Specify repeat times.

Repeat Times specifies the number of repetitions from the start to the completion of sampling.

Some settings may not be possible. It depends on your device.
Please refer hardware manual to know more details.

⑤Back Button

Proceed to the previous wizard screen.(Channel Setup)

⑥Next Button

Proceed to the next wizard screen. (Start Trigger Setup)

⑦Finish Button

All subsequent wizard settings are the default values.

⑧Cancel Button

Cancels the wizard setup. All wizard settings are discarded.