Yokogawa DAQWORX - Manual (Page 40)

2-16 IM WX13-01E
2.4 Entering Data Logging Conditions
8. Click the Pretrigger box, and enter the number of data prior to the point at which
the trigger conditions are met from which you wish to begin saving data.
Save time period for the specified data count
(scan interval x recording rate x pretrigger data count)
Allowable rage for the pretrigger setting
The setting range is from 0 to 1799 (see page 1-7, “Pretrigger Function”). The
save time for the specified number of data is shown in the right of the box.
This value is calculated based on the downloaded scan interval (see page 2-8,
“Retrieving and Displaying Host Information”). If you click Get Host Info. again
after changing the scan interval for the connected monitor server, this value also
is changed.
Fixed Time Trigger Settings
2. Click the Time boxes and enter the times at which the trigger activates within a
24-hour period.
The trigger activates when the specified time is reached or exceeded, and logging
begins.
End Condition
1. Click to display the list box, then select Alarm, Level, Daily fixed time, or Data counts.
Settings for the alarm trigger, level trigger, and daily fixed time are the same as in
the start conditions.
Setting the Data Count
2. Click the Data Counts box and enter a number.
Time required for logging
(scan interval x recording rate x (specified data count - 1))
Logging starts, then stops when the specified number of data points is logged.
The time that is required for logging the specified number of data is shown to the
right of the number of data. It is calculated as the scan interval x recording rate x
(specified number of data - 1). Therefore if the recording rate or scan interval are
changed, the logging time also changes.
Note
See page 1-7, “Pretrigger Function” for information about the logging stop point when a
pretrigger is set (to a value other than 0).
File Settings
You can specify the data file name, save destination, and how the file is to be
saved.
Select the file saving method The time required for each data file to be created
The file data length setting is only specified when data counts is selected