Measurement Computing PCI-DAS6030 User Manual page 25

PCI-DAS6030 & PCI-DAS6032 User's Guide
Trigger Below
The acquisition will begin when ATRIG signal fist goes below the THRESH_LO level. This mode is non-
retriggerable.
Trigger
Acquired Data
Gate Above
Data acquisition is enabled whenever ATRIG goes above the THRESH_HI level. Acquisition is suspended
whenever the ATRIG signal goes below the THRESH_HI level. This is a level-sensitive gating mode.
+2
+2
+1
+1
0
0
-1
-1
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-2
Trigger
Result
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+1
0
-1
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+2
+1
0
-1
-2
+2
+1
0
-1
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Figure 20. Trigger Negative Slope
Figure 21. Gate Above
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Functional Details
Thresh_LO
Thresh_HI