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CHAPTER 3 Settings and Measurement
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Relay Capture Function
< Relay capture >
(4)
(1)
(2)
(3)
Setting Description
(1) Ring/Relay capture Set the capturing function.
off: Capturing function is not used.
Ring: Ring capture is performed. (For details, refer to the gure below.)
Relay: Data is captured consecutively for each le of up to 2000 MB continuously.
When the ring and relay functions are enabled,available sampling interval starts from 100 ms
when the CSV le format is set.
(2) Relay mode Set the mode for performing the relay processing.
Time: After the set time has elapsed, the relay processing is performed.
Capacity: When the le has reached the set le size, relay processing is performed.
(3) Relay time Set the relay time when relay mode is set to "Time".
1 hour 00 minutes to 24 hours 00 minutes
(4) Relay capacity Set the le size when relay mode is set to "Capacity".
100MB to 2000MB
* Estimated time for capturing with the set le size is displayed as "Relay time".
The captured data is continuously captured by les separated for each set relay without losing data.
(Maximum capture capacity in one le is 2000MB.)
(2)-4 External sampling
This is used to enable or disable or disables external sampling.
When the external sampling function is enabled, data is captured at the shortest intervals and retained temporarily.
This retained data is updated at the shortest intervals.
On receiving an external sampling pulse, the retained data is written to the internal memory (SD1) or SD CARD
(SD2).
(See the following gure.)
Therefore, the maximum error in time between the actually captured data and the external sampling pulse
is the same as the shortest interval.
* Refer to the next section, "(2)-5 AC line lter" for details on the shortest interval.
Input signal
External Sampling pulse
Shortest interval
Capture data
Data for this Data for this
Sampling
interval
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If the external sampling function is ON, the external input cannot be selected for the trigger setting.
If the external input has already been set, the trigger will be set to Off.
•
When you measure signals with high noise levels, set the AC line lter described in the next section to
ON.
•
The external sampling function cannot be enabled when a remote terminal is connected.
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