Exposure Modes In Detail - Teledyne Piranha3 User Manual

Piranha3 16K HSLink and Camera Link User Manual
Mode SYNC
*6 External

Exposure Modes in Detail

Figure 6: Timing Diagrams
Mode 2: Internal SYNC, Programmable Line Rate and Exposure Time
INTERNAL SYNC
Mode 3: Internal SYNC, Maximum Exposure Time
INTERNAL SYNC
Mode 4: External SYNC
EXTERNAL SYNC
Mode 6: External SYNC, Programmable Exposure Time
EXTERNAL SYNC
Teledyne DALSA
Description
N o Yes In this m od e the line rate and the exposure tim e are m utually
restrained by this form ular:
Maxim um user line rate = 1 / ( ( 1 / Max cam era line rate) +
exposure tim e )
Assum e the cam era m ax line rate is 40 KH z in the follow ing
exam ples.
Ex. 1) If the user w ants the line rate is 25KH z, the m ax exposure
tim e should be equal or sm aller than 1/ 25KH z - 1/ 40KH z = 15
us;
Ex. 2) If the user sets the exposure tim e to 25 us, the line rate
should be equal or low er than 1/ (1/ 40KH z + 25us) = 20KH z.
1 µs
EXPOSURE
EXPOSURE
EXPOSURE
EXPOSURE
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03-032-20099-02