Piranha 3 User Manual
Teledyne DALSA
03-032-10216-06
27
3.2 Sensor Output Format
3.2.1 Exposure Mode, Line Rate and Exposure Time
Overview
You have a choice of operating in one of seven modes. The camera’s line rate
(synchronization) can be generated internally throu gh the softw are com m and
ssf
or set
externally w ith an EXSYN C signal, d ep end ing on you r m od e of op e ration. To select how
you want the camera’s line rate to be generated:
1.
You m u st first set the cam era m od e u sing the
sem
com m and .
2.
N ext, if u sing m od e 2, 7 or 8 u se the com m and s
ssf
and / or
set
to set the line rate and
exp osu re tim e.
Setting the Exposure Mode
Pu rp ose:
Sets the camera’s exposure mode allow ing you to control your
sync, exp osu re tim e, and line rate generation.
Syntax:
sem
i
Syntax Elem ents:
i
Exp osu re m od e to u se. Factory setting is
7
.
N otes:
Refer to Table 11: Piranha 3 Exp osu re Mod es for a qu ick list
of available m od es or to the follow ing sections for a m ore
d etailed exp lanation.
To obtain the cu rrent valu e of the exp osu re m od e, u se the
com m and
gcp
or
get
sem
.
Related Com m and s:
ssf
,
set
Exam p le:
sem 3
Table 11: Piranha 3 Exposure Modes
Programmable Line Rate Programmable Exposure Time
Mode SYNC
PRIN
Description
2
Internal
Internal
Yes
Yes
Internal fram e rate and exp osu re tim e.
Exp osu re m od e enabled (ECE)
3
External
Internal
N o
N o
Maxim u m exp osu re tim e. Exp osu re
control d isabled (ECD)
4
External
Internal
N o
N o
Sm art EXSYN C. ECE.
5
External
External
N o
N o
External sync, external p ixel reset.
ECE.
6
External
Internal
N o
Yes
Fixed integration tim e. ECE.
7
Internal
Internal
Yes
N o
Internal line rate, m axim u m exp osu re
tim e. ECD.
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