Measurement Computing PCI-DAS6031 User Manual page 27

PCI-DAS6031 & PCI-DAS6033 User's Guide
Trigger Above
The acquisition will begin when the ATRIG signal first goes above the THRESH_HI. This mode is non-
retriggerable.
Trigger
Acquired Data
Trigger Below
The acquisition will begin when ATRIG signal first goes below the THRESH_LO level. This mode is non-
retriggerable.
Trigger
Acquired Data
+2
+1
0
-1
-2
+2
+1
0
-1
-2
Figure 4-16. Trigger positive slope
+2
+1
0
-1
-2
+2
+1
0
-1
-2
Figure 4-17. Trigger negative slope
4-10
Functional Details
Thresh_HI
Thresh_LO