YOKOGAWA Daqstation DX2000, User Manual

Page: 206 / 366

5-26
IM 04L42B01-01E
Setup Items
• View > Trend type
Select Circular .
• Circular/Save interval > Time per revolution [/rev]
Select the time of revolution from 20min to 4week .
* You can specify 20min on DX2004s or DX2008s with release number 2 or earlier. For
release numbers 3 and later, in addition to the DX2004 and DX2008, this can also be
specified in the fast sampling modes of the DX2010, DX2020, DX2030, DX2040, and
DX2048.
• Circular/Save interval > Save interval (when recording display data)
Select the size of a record data file. The recorded data is divided by the file size
specified here. The available settings vary in the range of 10min to 31day depending
on the Time per revolution setting.
* For the setting procedure to record the event data, see section 6.1.
• Circular/Save interval > Offset time
The time at the reference position on the circle can be offset in unit of an hour. The
available settings vary depending on the time of revolution setting. The figure below
is an example in which the time per revolution is
6h and indicates the time positions
when the offset time is Off and 1h .
Hour 0, 6, 12, and 18
Hour 1, 7, 13, and 19
Hour 2, 8, 14, and 20 Hour 4, 10, 16, and 22
Hour 3, 9, 15, and 21
Hour 5, 11, 17, and 23
Hour 5, 11, 17, and 23
Hour 0, 6, 12, and 18
Hour 1, 7, 13, and 19 Hour 3, 9, 15, and 21
Hour 2, 8, 14, and 20
Hour 4, 10, 16, and 22
Offset time set to Off Offset time set to 1h
1h
Time per Revolution Selectable Offset Times
20min, 30min, 1h –
2h 1h
6h 1h to 5h
8h 1h to 7h
12h 1h to 11h
16h 1h to 15h
1day, 2day, 1week, 2week, 4week 1h to 23h
• Circular > Full circle action
Settings Description
Allclear Clears the entire waveform when one revolution of waveform is recorded and
continues the recording of the next revolution.
Divclear Clears one division of the old waveform when the remaining amount of
waveform to be recorded falls to one division and continues the recording.
5.12 Using the Circular Display