Exposure Modes In Detail - Dalsa Piranha 3 Series User Manual

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Mode
8
Note: When setting the camera to external signal modes, EXSYNC and/or PRIN must be supplied.

Exposure Modes in Detail

Mode 2: Internally Programmable Line Rate and Exposure Time
Mod e 2 operates at a u ser specified line rate and exposu re tim e.


Example 1: Exposure Time less than Line Period
CR=Charge Reset
Mode 3: External Trigger with Maximum Exposure
Line rate is set by the period of the external trigger pu lses. The falling ed ge of the external
trigger m arks the beginning of the exposu re.
Example 2: Line Rate is set by External Trigger Pulses.
EXSYNC
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SYNC PRIN
Internal Internal
When setting the line rate (u sing the
if necessary, to accom m od ate the new line rate. The exposu re tim e w ill alw ays be set
to the m axim u m tim e (line period – line transfer tim e – pixel reset tim e) for that line
rate w hen a new line rate requ iring red u ced exposu re tim e is entered .
When setting the exposu re tim e (u sing the
increased , if necessary, to accom m od ate the exposu re tim e. Und er this cond ition, the
line tim e w ill equ al the exposu re tim e + line transfer tim e.
CR
Readout
Line Period
Programmable Period (ssf command)
Line Period
Readout
Exposure Time
Falling Edge
Ignored During
Readout
Description
N o Yes Maximum line rate for exposure time.
ECE.
ssf
com m and ), exposu re tim e w ill be red u ced ,
set
com m and ), line tim e w ill be
Programmable Period ( command)
set
Exposure Time Readout
Piranha 3 User Manual
Programmable Period
CR Exposure Time
Line Period
Programmable Period
Line Period
Readout
Exposure Time
Falling Edge
Ignored During
Readout
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