Allied Vision Alvium 1800 U-050c, User Manual

Page: 44 / 148

Specifications
44 Alvium USB Cameras User Guide V3.1.3
ROI frame rates
Values were measured for typical operation , using the test setup defined in
Exposure time and frame rate on page 30.
To reach the maximum frame rate available for typical operation, the bandwidth
for image traffic is 200 MBps. Increasing the
DeviceLinkThroughputLimit
value
does not increase frame rates.
Image format
Width
[pixels]
Height
[pixels]
ROI area [pixels]
Frame rate [fps]
at 200 MBps
Full resolution 1280 960 1,228,800 52
HD 1280 720 921,600 68
XGA 1024 768 78,336 64
SVGA 800 600 480,000 81
VGA 640 480 307,200 99
HVGA 480 320 153,600 142
QVGA 320 240 76,800 181
Maximum × half 1280 480 614,400 99
Maximum × minimum 1280 8 10,240 872
Minimum × maximum 8 960 7,680 52
Minimum × minimum 8 8 64 882
Table 14: ROI frame rates for 1800 U-120m/c at 200 MBps