Allied Vision Alvium 1800 U-050c, User Manual

Page: 36 / 148

Specifications
36 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 728 544 396,032 281
VGA 640 480 307,200 312
HVGA 480 320 153,600 436
QVGA 320 240 76,800 543
Maximum × half 728 272 232,960 481
Maximum × minimum 728 8 5,824 1,546
Minimum × maximum
8
1 544 4,352 287
Minimum × minimum
8
1 8 64 1,753
1
Constant for values ≤ 260 pixels
Table 10: ROI frame rates for 1800 U-040m/c at 200 MBps