Cognex MVS-8000 Series, Руководство по оборудованию

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MVS-8600 Installation 1
16 MVS-8600 Hardware Manual
Understanding Bus Bandwidth
When evaluating whether a particular slot configuration will meet your application’s
bandwidth requirements, you should keep the following in mind:
• The Sustainable bus bandwidth reflects the total amount of data that can be
transmitted per second for a running system.
• Each camera’s bandwidth consumption can be computed by multiplying its image
size by the number of bytes per pixel by the number of frames per second. For
example, a 1600 x1200 monochrome camera (8 bits per pixel) running at 30 frames
per second would consume 57.6 MBytes/sec. A 1024 x 768 color camera (3 8-bit
bytes per pixel) running at 20 frames per second would consume 47.1 MBytes/sec.
Selecting an MVS-8602e PCIe Slot
The MVS-8602e has an x4 PCI Express bus interface. PCI Express card slots come in
four sizes: x1, x4, x8 and x16 as shown in Figure 3 below.
Figure 3. PCI Express card slots
The MVS-8602e has an x4 bus interface and cannot physically fit into an x1 card slot,
but will physically fit into any of the other three card slots. The MVS-8602e will operate
when plugged into x8 or x16 slots, but depending on your PC’s motherboard, the card
may only operate at x1 speed (one fourth of x4 speed).
x1
x8
x16
x4