Dalsa Piranha4 User Manual page 39

1. External Trigger Off, Internal Exposure Control
Free running, not synchronized to an external signal
1
Programmable Exposure
2. External Trigger On, Internal Exposure Control
CC1 Falling edge triggers start of internal exposure
Line Time
Programmable Exposure
3. External Trigger On, External Exposure Control
CC1 Falling edge triggers start of exposure
CC1 high duration sets the exposure time
X
1
Exposure = X
Notes:
1. Exposure time > 7 micro-seconds
2. Sensor Readout time = 9.5 micro-seconds
3. One additional falling edge during exposure is latched
Programmable Line Time
>1us
Programmable Exposure
Sensor
2
Readout
10.2us
1 >1us
Programmable Exposure
Sensor
2
Readout
10.2us
X
2
Line Time
>1us
Exposure = X
1
Sensor
2
Readout
10.2us
Figure 21. Exposure Modes
1
Programmable Exposure
Sensor
2
Readout
3
1
Programmable Exposure
Sensor
2
Readout
X
3
Exposure = X
2
Sensor
2
Readout
1
Sensor
2
Readout
LVAL
CC1
1
Sensor
2
Readout
LVAL
CC1
3
Sensor
2
Readout
LVAL