Image Transmission; Calculate Frame Rate - Daheng Imaging MERCURY USB3 User Manual

Camera models that support this feature:

8.5. Image Transmission

8.5.1. Calculate Frame Rate

1) Frame Period
You can calculate the frame period of the MER-U3 series camera by the following formula:
�� = Max (
��
Among them:
: The camera's frame period, unit: μs.
��
��
Width: The current image width.
Height: The current image height.
PixelSize: The size of the pixel, in 8bit mode, the value is 1, and in 10bit/12bit mode, the value is 2.
BandWidth
: The bandwidth of the USB interface, unit: Bps, for details please see
USB
DeviceLinkThroughputLimit: The limit of the device link throughput bandwidth, unit: Bps, for details please
see section 8.5.3.
: The acquisition time of the camera, unit: μs, for details please see
T
acq
: The exposure time of the camera, unit: μs.
T
exp
2) Frame rate (Unit: fps)
Model
MER-051-120U3M/C(-L)
MER-131-210U3M/C(-L)
MER-500-14U3M/C(-L)
MER-1070-14U3M/C(-L)
MER-1520-13U3C
MER-1520-13U3C-L
MER-1810-21U3C
MER-1810-21U3C-L
6
ImageSize ∗ 10
，
BandWidth DeviceLinkThroughputLimit
USB
ImageSize = Width ∗ Height ∗ PixelSize + 84
© China Daheng Group, Inc. Beijing Image Vision Technology Branch
6
ImageSize ∗ 10
，T
section
8.Features
，T
)
acq exp
section 8.5.2.
8.5.4.
143