Piranha HS-xx RoHS User Manual
Teledyne DALSA
03-032-20013-03
39
Figure 21: Binning Start and End Values when using a Region of Interest
In this exam p le a region of interest is set to inclu d e p ixels 4 to 9 and horizontal binning is
set to 2. Becau se p ixel 3 is now inclu d ed in the sam e d ata grou p as p ixel 4, the region of
interest w ill now inclu d e the d ata from p ixel 3. Also, p ixel 10 is inclu d ed in the sam e d ata
grou p as p ixel 9, so p ixel 10 is now p art of the region of interest. To see how the region of
interest start and stop valu es have been rou nd ed , u se the com m and
get roi
.
Setting Vertical Binning
Syntax:
Increases the vertical p ixel p itch and light sensitivity by d ecreasing
vertical resolu tion. Vertical binning is also u sefu l for increa sing
fram e rate in Area Mod e. Vertical binning in TDI Mod e shou ld
only be used if your w eb’s shaft encoder provides a reduced ratio
of p u lses to m atch w eb sp eed .
Syntax:
sbv
i
Syntax Elem ents:
i
Vertical binning valu e.
Available valu es (not inclu d ing the H S-82 m od el) are
1
(factory setting, no binning) to
8
.
Available valu es for the H S-82 m od el are
1
to
4
.
N otes:
You w ill have to recalibrate the cam era after changing binning
valu es.
Increasing the vertical binning, d ecreases the m axim u m
allow able lin e rate. You m ay have to enter a new cam era
fram e rate after changing vertical binning valu es if the cu rrent
valu e becom es invalid . The cam era send s a w arning m essage
in this situ ation.
Exam p le:
sbv 2
A note on vertical binning (sbv) and the HS-82 model of camera:
Binning increases the camera’s light sensitivity by decreasing horizontal and/ or vertical
resolu tion — the charge collected by ad jacent p ixels is ad d ed together. Binning is also
u sefu l for increasing fram e rate (vertical binning) or increasing t he p ixel p itch.
The d efau lt binning setting (1 x 1) in the H S-82-04k80-00-R cam era is essentially
equ ivalent to p erform ing 2 x 2 binning in stand ard H S-80-08K80-00-R cam era. H orizontal
binning is achieved by binning tw o ad jacent colu m ns together d u ring th e VCCD to
H CCD transfer w hile vertical binning is achieved by transferring tw o VCCD row s into
the enlarged H CCD p rior to horizontal transfers. This d ifference translates the 1x - 8x
Pixel
1
Pixel
2
Pixel
3
Pixel
4
Pixel
5
Pixel
6
Pixel
7
Pixel
8
Pixel
9
Pixel
10
Data
1
Data
2
Data
3
Data
4
Data
5
CCD Pixel Numbering
Pixel data using sbh 2
roi 4 1 9 1
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