Yokogawa DAQWORX - Manual (Page 18)

1-12 IM WX13-01E
1.1 Overview of Functions
• When the data saving period exists (not including the start trigger
point)
Pretrigger width < (specified width for data saving + data held before the start trigger)
Data held before the start trigger
Pretrigger width
Start point
of data saving
Start trigger point
Time
Data saving period
Specified width for data saving
• When the data saving period does not exist
Pretrigger width > (specified width for data saving + data held before the start trigger)
Data is not saved.
Data held before the start trigger
Pretrigger width
Start trigger point
Time
Specified width for data saving
When specifying a pretrigger, depending on the gap in occurrence of the start trigger, the
saving area in both triggers may overlap.
When the saving areas do not overlap
Data holding period 1
Pretrigger width
Start trigger point 1 Stop trigger point 1
Time
Data holding period 2
Pretrigger width
Start trigger point 2 Stop trigger point 2
When the saving areas overlap
(both files contain overlapping saved areas)
Data holding period 1
Pretrigger
width
Pretrigger
width
Amount of
logging data
Amount of
logging data
Start trigger point 1 Stop trigger point 1
Data holding period 2
Start trigger point 2 Stop trigger point 2
Time