Omega Engineering OMB-CHARTSCAN 1400, User Manual

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Appendix B Configuration Aspects for Programmers
ChartScan User’s Manual B-23
The following figures and table illustrate a case in which an acquisition has been triggered, the stop event and
end scan have occurred, and the buffer contains several trigger blocks.
Field Response Implication
1
2
3
4
5
6
7
8
0000007
0020567
-00000100
12:01:43.100,
03/01/97
00000100
12:25:01.300,
03/01/97
00000250
01
Seven trigger blocks are available.
20,567 scans are available.
The current read pointer is at scan
number -100 (negative 100).
The trigger time stamp is defined as
indicated.
The stop event pointer is defined as
scan number 100.
The stop event time is defined as
indicated.
The end scan pointer is defined as
scan number 250.
The current trigger block has been
completely acquired. The trigger
block has reached a normal
termination.
In this example, the trigger for the current trigger block has occurred and the Current Read Pointer is located at
the first available pre-trigger scan -00000100. An additional 50 post-trigger scans are available.