JAI BM-500 GE User Manual

Also see for BB-500 GE: User manual User manual

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JAI BM-500 GE User Manual Manual pdf 36 page image

BM-500GE / BB-500GE34Fixed valueItem Unit valueData Leader Packet Size [Bytes] 90Data Trailer Packet Size [Bytes] 64Formula to calculate Data Transfer RateJ=｛90+64+(E+18)*(G-2)｝*8*D/1000000Where, G=ROUNDUP{A*B*C/8/(E-36)}+2The following table shows Bits per Pixel (Item C) which depends on the pixel format.Pixel format BitMono8,BAYGR8 8Mono10_Packed/Mono12_Packed 12Mono10,Mono12,BayGR10,BAYGR12 16Calculation example: CM-140GE Pixel type RGB8Item Unit Symbol SettingImage Width [pixels] A 2456Image Height [pixels] B 2058Bits per Pixel [bits] C 8Frame Rate [fps] D 15Packet Size [Bytes] E 4046Number of Packets (including Data Leader & TrailerPacket) [packets] GData Transfer Rate [Mbit/s] JG=ROUNDUP{(2456x2058x8/8/(4046-36))+2=1261+2=1263J={90+64+(4046+18)x(1263-2)}x8x15/1000000=615 Mbit/s8.3.5 Simplified calculation (Approximate value)A simple way to calculate the approximate data transfer rate is the following.Transfer data = Image width (pixel) x Image Height (pixel) x depth per pixel(dependingon the pixel format) x frame rate / 1,000,000 (convert to mega bit)In the case of the CM-200GE with the full image and MONO8 pixel format;The data transfer rate = 2456 x 2058 x 8 x 15 / 1000000 = 607 Mbit/s8.3.6 Note for 100BASE-TX connection In case of connecting on 100BASE-TX, the maximum packet size should be 1500 byte. In case of connecting on 100BASE-TX, the specifications such as frame rate, triggerinterval and so on described on this manual cannot be satisfied.Pixel Type Frame rate at Full Frame[fps]MONO8, BAYRG8, BAYGB8 5.8 ～ 6.0MONO10_PACKED 3.8 ～ 4.0MONO10, BAYRG10, BAYGB10 2.8 ～ 3.0 100BASE-T works in FULL DUPLEX. It does not work in HALF DUPLEX.