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9
TriggerControl
This section describes trigger control of AcquisitionControl category for the GigEPRO cameras.
This camera series provides two kinds of exposure synchronization.
-
Normal Shutter mode : Free run operation (internal synchronization)
-
Random Trigger Shutter mode : Synchronized with external trigger input
In Random Trigger Shutter mode, two kinds of trigger input are available.
-
Trigger signal via the I/O connector (HardwareTrigger)
-
Trigger command via the Gigabit Ethernet interface (SoftwareTrigger)
The following table shows the combination of operation mode of this camera series.
Trigger Mode
Synchronization
Exposure Control
Normal Shutter mode
Free run
“ExposureTime” register control
AE control
Random Trigger Shutter mode
HardwareTrigger
“ExposureTime” register control
Trigger pulse width control
SoftwareTrigger
“ExposureTime” register control
* The camera operation not mentioned above is not guaranteed.
Operation point of HardwareTrigger is at the edge of trigger signal, and active edge polarity is able to
change by register setting. And you can add delay time from trigger edge to exposure start by register
setting
.
Registers
Register
Visibility
Access
Description
Trigger Selector
Beginner
R/W
Selects the type of trigger to configure.
Trigger Mode
Beginner
R/W
Controls if the selected trigger is active.
Trigger Software
Beginner
W
Generates an internal trigger. TriggerSource must be set to Software.
Trigger Source
Beginner
R/W
Specifies the internal signal or physical input Line to use as the trigger
source.
Trigger Activation
Beginner
R/W
Specifies the activation mode of the trigger.
Trigger Delay
Expert
R/W
Specifies the delay in microseconds (us) to apply after the trigger
reception before activating it.