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If the number of lines within the frame active trigger is greater than the feature "Height",
the frame active trigger will produce more than one frame.
•
If the number of lines within the frame active trigger is less than the feature "Height", the
frame height is less than the feature "Height".
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The maximum number of frames possible in "FrameBurstActive" mode is set by the feature
"AcquisitionBurstFrameCount".
Trigger Source Types
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Trigger Source=Line x: Select the Line Input used as an external trigger.
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Trigger Source=Rotary Encoder: External trigger is via one or both Rotary Encoder inputs. A
number of features allow selecting encoder signal direction, scaling, etc. to suit the imaging
application.
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Trigger Source=Timer1End Event: The Timer1 End Event (or Timer2) is used as the internal
trigger source. Refer to
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Trigger Source=Counter1End Event: The Counter1 End Event (or Counter2) is used as the
internal trigger source.
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Trigger Line Polarity: Select rising or falling edge detection.
Input Line Details
The input line signals have the following features for control or status indication.
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Feature set: LineSelector (RW), LineFormat (RW), LineMode (RW), lineDebouncingPeriod
(RW), LineInverter (RW), LineStatus (RO), lineDetectionLevel.
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Connector: See HD15 type Connector Details for connector pin out and electrical information.
The cable shell and shield should electrically connect the Linea GigE chassis to computer chassis
for maximum EMI protection.
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Line Transition Validation: Each input incorporates a signal debounce circuit to eliminate
short noise transitions that could be wrongly interpreted as a valid pulse. The duration is user-
programmable from 0µs to 255µs with CamExpert.
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Line Input Signal Characteristics: See Input Signals Electrical Specifications.
Linea GigE Series Camera
Counter and Timer Controls
for information on those features.
Operational Reference • 49
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