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9.3.2
Video data rate (network bandwidth)
The video bit rate for the AD-131GE in Continuous mode is:
Model
Pixel Type
AD-131GE
Mono8
Mono10_Packed,
Mono12_Packed,
Mono10,Mono12
In the case of using Jumbo Frames (16K), the packet data will be improved by 2%.
Note for setting packet size
The packet size is set to 1476 as the factory default. Packet size can be modified in the GigE
Vision Transport Layer Control section of the camera control tool (see below). For AD-131GE,
users may enter any value for the packet size and the value will be internally adjusted to an
appropriate, legal value that complies with the GenICam standard. Thus, the actual packet
size may be different than the value entered by the user.
Caution: do not set the packet size larger than the maximum setting available in the NIC or
switch to which the camera is connected. Doing so will cause output to be blocked.
The following table shows possible packet size on each pixel format.
Pixel format
Mono_10bit_Packed
Mono_12bit_Packed
Mono_8bit, Mono_10bit,
Mono_12bit
Note for calculation of Data Transfer Rate
Setting parameter
Item
Image Width
Image Height
Bits per Pixel
Frame Rate
Packet Size
Number of Packets (including Data Leader & Trailer
Packet)
DataTransfer Rate
Fixed value
Item
Data Leader Packet Size
Data Trailer Packet Size
Formula to calculate Data Transfer Rate
J=｛90+62+(E+18)*(G-2)｝*8*D/1000000
Where,
The following table shows Bits per Pixel which depends on the pixel format.
AD-131GE
Frame Rate
Possible packet size
1476 + (24 x n)
1476 + (32 x n)
G=ROUNDUP{A*B*C/8/(E-36)}+2
Packet (Packet 1500)
31Frame/s
328Mbit/s
31Frame/s
492Mbit/
31Frame/s
655Mbit/s
Unit
Symbol
[pixels]
A
[pixels]
B
[bits]
C
[fps]
D
[Bytes]
E
[packets]
G
[Mbit/s]
J
Unit
value
[Bytes]
90
[Bytes]
62
38
Min. 1476 Max. 16020
Min.1476
Max. 16020
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