This dialog allows to set up all different trigger modes of the cards, be it single trigger, auto or even combined AND/OR triggers of multiple cards. All trigger sources of all hardware are listed here and can be selected to be source for triggering of the complete system. Using the trigger mode setup shows you small diagrams explaining the different trigger modes that are available. |
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Mode | Select the
basic trigger mode. Depending on the selected mode the input fields are
enabled/disabled. Trigger sources may be one of the following:
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OR Mask | Deactivates/Activates all OR/AND mask entries. The currently selected OR/AND combination will still remain selected but is grayed out and is not written to hardware. This feature allows to temporarily deactivate a mask combination without loosing the setup |
AND Mask | |
Auto Trig | When checked the card will generate an automatic trigger if the defined trigger event hasn't been found within the time specified by Auto Trig (ms) |
Delay | Programs a trigger delay to the hardware. The delay is added after receiving a trigger signal before the trigger is forwarded to the acquisition firmware. |
Pulsewidth Sample/Time | The button switches the pulse width input field in the External/Channel selection table between samples and time input. If using sample input the modifiers kS (kilo samples), MS (mega samples) are valid. If using time input the modifiers ms (milli seconds), us (micro seconds) and ns (nano seconds) are valid. |
External/Channel Selection | Select the channels/external sources to be used for trigger recognition. The selection is available as soon as either Single or AND/OR Mask is selected as basic mode. All settings could either be done directly inside the table or in a comfortable setup dialog showing the resulting mode in great detail. To access the setup mode one needs to press the setup button inside the channel/external trigger mode table entry or simply uses a double click on the source name. |
In the extern trigger page one can also setup the PXI trigger lines. To use a line as trigger source use the OR column. To define a line for trigger output set the Output column to Trigger. In the image the card is set to use EXT0 as trigger source as well as PXI lines 0, 3 and 5 while outputting the trigger signal to PXI line 0. |
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In the pattern trigger page one can setup the edge and pattern trigger conditions for a digital card. The first column shows some additional setup as well as some convenience access functions to avoid to much clicking. |
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Mode | Select the pattern trigger mode.
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PW | Set the pulsewidth in samples. Only available if Long pattern or Short pattern pattern trigger mode are selected. |
Edge | Select the edge to use in the trigger pattern. If set to None, no edges will be used for triggering even if some channels are selected in the edge columns! |
EdgeEnMask | This field shows the current select state of the edge columns as bit mask. Changing this value also changes the select state of the edge columns to allow easy changes without too many clicks. |
PatternEnMask | This field shows the current select state of the pattern columns as bit mask. Changing this value also changes the select state of the pattern columns to allow easy changes without too many clicks. |
LevelMask | This field shows the current select state of the level columns as bit mask. Changing this value also changes the select state of the level columns to allow easy changes without too many clicks. |
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SBench 6 Documentation
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