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7.3.3 Bayer BG 12 Format

1. Column 0123 4 5 67 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Row 0 1 L a Y 3 Offset 4 i 5 7 A 6 7 EEE 8 E E 9 H H N Height EEN IS 11 mH 12 13 a a The camera i will only 15 transmit the 16 pixel data 17 from this 18 i area 19 L I LI 1 La Ne X Offset gt Width Fig 36 Area of Interest One of the main advantages of the AOI feature is that decreasing the height of the AOI can increase the camera s maximum allowed acquisition frame rate For more information about how changing the AOI height effects the maximum allowed frame rate See Section 6 6 on page 67 Basler ace 119 Standard Features Setting the AOI By default the AOI is setto use the full resolution of the camera s sensor You can change the size and the position of the AOI by changing the value of the camera s X Offset Y Offset Width and Height parameters The value of the X Offset parameter determines the starting column for the area of interest The value of the Y Offset parameter determines the starting line for the area of interest The value of the Width parameter determines the width of the area of interest The value of the Height parameter determines the height of the area of interest When you are setting the camera s area of interest
2. CCD Sensor Vert Vert Vert Vert RES Pixels Bed Pixels zu Pixels zh Pixels je y je y a je y y je ES ADC VGC Horizontal ___ ___ shift Register Fig 7 CCD Sensor Architecture ga 60 MB ExFrameStartTrig Image Buffer ExpActive FrameTrigWait Ethernet Ethernet VGC Controller Image Data Network and Control Data Control Micro Controller Control Data Control AOI Gain Black Level Fig 8 Camera Block Diagram 22 Basler ace Physical Interface 5 Physical Interface This section provides detailed information such as pinouts and voltage requirements for the physical interface on the camera This information will be especially useful during your initial design in process 5 1 General Description of the Connections The camera is interfaced to external circuity via connectors located on the back of the housing An 8 pin RJ 45 jack used to provide a 100 1000 Mbit s Ethernet connection to the camera Since the camera is Power over Ethernet capable the jack can also be used to provide power to the camera A 6 pin receptacle used to provide access to the camera s I O lines and to provide power to the camera if PoE is not used The drawing below shows the location of the two c
3. 2 output line configuring ai a i 96 electrical characteristics 38 ID Verter oec a 98 voltage requirements 38 output lines response time ieee eeen 40 overlapped exposure s 56 overtriggering the camera 59 P packet size Camera ure oae 205 network adapter 205 network switch ssssssse 205 packet size parameter 195 packet timeout parameter 184 189 parameter Selice araia 157 parameter sets SAVING 159 parameters loaded at startup 161 payload size parameter 195 performance driver sssse 183 pin assignments 24 pixel data formats sssssusse 71 pixel format parameter 71 215 Index pixel formats Bayer BG 12 packed 85 Bayer BG 16 ssseesssuss 83 Bayer BG 8 ssssssseesess 81 mono 12 i veeeeee ss ta reae nene aote rt ree 74 mono 12 packed 2 eee 76 MONO aine rici toa n La RR 72 92 YUV 422 YUYV packed 78 90 YUV 422 packed 78 87 plxel SZE i c e egeat ie 2 pixel transmission sequence 94 PLC power and I O cable 27 29 voltage req
4. sssessusssses 51 exposure modes ssesseeeee 50 exposure overlap time max abs parameler efi tete bes 51 63 exposure start delay 65 exposure time maximum possible 54 minimum allowed 54 extended image data chunk 164 external trigger signal controlling exposure with 49 min high low time 49 214 F factory setup ooooooccccccccnoncncccnocccnnnos 157 158 auto functions factory setup 157 high gain factory setup 157 standard factory setup 157 filter driven sretan e 183 frame counter chunk ssse 166 VESET areata a E A T 167 frame rate and AOI SiZB coooocccccccnococccccccicnannnconin ns 67 controlling with a hardware trigger 49 max allowed sssesessssss 67 frame readout time sssuee 65 frame retention parameter 184 frame transmission delay parameter 196 frame transmission time 65 frame trigger wait signal 51 59 free TUM paute enden ide e 43 functional description 21 G gain SONO ien 108 galri autQ 2i eee ooo dn e ea ees 140 gamma correction eeen 132 H heartbeat timeout parameter
5. 65 explained sees 35 CCCII 36 signal delay sssssssssss 35 default configuration set 157 device current throughput parameter 200 213 Index device firmware version parameter 155 device ID parameter 155 device manufacturer info parameter 155 device max throughput parameter 199 device model name parameter 155 device scan type parameter 155 device user ID parameter 155 device vendor name parameter 155 device version parameter 155 digital shift 112 dimensions eseeeeeeeen eene 2 disable parameter limits explained eeeeseeee 147 drivers network eeeeeese 183 dust ossi es epo netur aedes 13 E electromagnetic interference 11 electrostatic discharge 11 EM ans topa 11 enable resend parameter 184 186 environmental requirements 12 ESD dada a aE falda nner sare 11 event reporting occccccccnncccnnccnnnnannnnnnos 149 exposure controlling with an ExTrig signal 49 overlapped re 56 exposure active signal 55 exposure auto seeeee 142 exposure mode UM et RS 50 trigger width
6. 0x01 1 0x00 0 Basler ace 93 Pixel Data Formats 7 4 Pixel Transmission Sequence For each captured image pixel data is transmitted from the camera in the following sequence Row y Col o Row y Col 4 Row y Col 2 ROW Col m2 Row y Col m1 Row Col m Row 4 Col o Row 4 Col 4 Row 4 Col gt Row Col m 2 Row 4 Col m 1 Row Col m Row 2 Col q Row 2 Col 4 Row 2 Col 2 ROW Col m2 Row 2 Colm 4 Row 2 Col m Row n 2 Colo ROWp2Coly Row p 2 Colo Row p 2 COl m 2 Row p 2 COl p 4 Row p 2 Col m Row p 1 Col y Row p 4 Col 4 Row p 14 Colo Row p 4 COl m7 Row p 1 Colm4 Row p 4 Colm Row Col q Row 4 Col 4 Row Col gt Row Col m 2 Row Col m 1 Row Col m Where Row y Col y is the upper left corner of the sensor The columns are numbered 0 through m from the left side to the right side of the sensor The rows are numbered 0 through n from the top to the bottom of the sensor The sequence assumes that the camera is set for full resolution 94 Basler ace 1 O Control 8 I O Control This section describes how to configure the camera s physical input line and physical output line It also provides information about monitoring the state of the input and output lines For more detailed information about the physical and electrical characteristics of the input and output lines see Section 5 7 on page 32 8 1 Configuring the Input Line 8 1 1 Assigning the Input Line to Receive a Hardware Trigger Sign
7. sess 22 Basler ace Index C cables Ethernet sssssseeseeee 27 power and I O PLC 27 29 power and I O standarad 27 camera power requirements 2 30 chunk dynamic range max A nee s 165 chunk dynamic range min parameter eei eg 165 chunk enable parameter 166 169 171 174 176 chunk frame counter parameter 166 chunk height parameter 165 chunk line status all parameter 174 chunk mode airiran aa asiata 164 chunk mode active parameter 164 chunk offset x parameter 165 chunk offset y parameter 165 chunk parser Em 164 166 169 171 174 176 chunk pixel format parameter 165 chunk selector 166 169 171 174 176 chunk time stamp parameter 169 chunk trigger input counter parameter orte 171 chunk width parameter 165 cleaning the camera and sensor 14 code snippets proper use 14 Color filter econo 79 configuration set loaded at startup 161 configuration sets 157 161 conformity Ae 3 connector YPES eunin 26 COMMECIONS iaa der 23 CPU interrupts ccoocococcccnnncccccccccccnnannnnnno 204 CRC checksum chunk 176 D debouncer and exposure start delay
8. n wor B Shifted Once 4 Basler ace Standard Features If the pixel values being output by the camera s sensor are high enough to set bit 11 to 1 we recommend not using shift by 1 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 1 setting when your pixel readings with an 8 bit pixel format selected and with digital shift disabled are all less than 128 Shift by 2 When the camera is set to shift by 2 the output from the camera will include bit 9 through bit 2 from the ADC ADC The result of shifting twice is that the output of the cds bit bit bit bit bit bit bit bit bit bit bit bit camera is effectively multiplied by 4 10 9 8 7 6 5 4 3 2 1 0 If the pixel values being output by the camera s sensor are high enough to set bit 10 or bit 11 to 1 we recommend not using shift by 2 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 2 setting when your pixel readings with an 8 bit pixel format selected and with digital shift disabled are all less than 64 Shifted Twice Shift by 3 When the camera is set to shift by 3 the output from the camera will include bit 8 through bit 1 from the ADC ADC i bit bit bit bit bit bit bit bit bit bit bit bit The result of shifting three times is that the output of 10 9 8 7 6 5 4 3 2 1 0 the camera is e
9. 20 software trigger eessssusss 46 spectral response sssssssss 4 7 speed and duplex sssssss 204 standard factory setup 157 158 160 standard power and I O cable 27 voltage requirements 30 32 startup parameter set 161 Startup set eter 158 161 SUDDO ui a tei e 180 T target value eseeeeeess 133 technical support sssssssss 179 temperature housing temp seeseeeeeeese 12 test image selector 151 test images ooocooocconoccconocanonnnnnnonanananoninno 151 time delay time base abs parameter 100 time stamp chunk sssssssss 169 timed exposure mode 50 timer delay eeeseeeeeeee 101 timer delay abs parameter 101 timer delay raw parameter 100 timer delay time sssessssss 100 timer delay time base 100 timer duration eerren 102 timer duration abs parameter 103 timer duration raw parameter 102 timer duration time base 102 timer duration time base abs parameter peireira e 102 timer selector 99 100 102 103 timer trigger source parame
10. 193 heartbeat timer sesssssse 193 heat dissipation eee 12 high gain factory setup 157 horizontal DINNING seessss 122 horizontal mirror image 126 humidity eed secco daa 12 l image distortion o ooonnciccccinccnnnnccnns 124 image property target ValUB ooooocccccncccccccccccocccnnnncnnne 133 input line configuring sse 95 electrical characteristics 34 propagation delay 35 voltage requirements 32 Basler ace installation liardWare eese ada 17 SOM WA O ooooooocccccccnnnannccnccnonnnnncnncncinnnnos 17 integrate enabled signal 55 inter packet delay 203 inverter output line sees 98 IP configuration tool ussssss 19 IP 30 taste Ret nan 8 IR cut filter 6 9 118 J jumbo frames sssssssssseeeee 205 jumbo packets oooccccccccnccccccnananancnoncnnnos 205 L lens adapter sesseeeeeeeess 2 lens thread length 9 line inverter parameter 98 line selector eesseeessss 96 line source parameter 96 line status all chunk
11. Bandwidth Reserve Accumulation read write A software device called the bandwidth reserve accumulator is designed to handle unusual situations such as a sudden EMI burst that interrupts an image transmission If this happens a larger than normal number of packet resends may be needed to properly transmit a complete image The accumulator is basically an extra pool of resends that the camera can use in unusual situations The Bandwidth Reserve Accumulation parameter is a multiplier used to set the maximum number of resends that can be held in the accumulator pool For example assume that the current bandwidth reserve setting for your camera is 5 and that this reserve is large enough to allow up to 5 packet resends during a frame period Also assume that the Bandwidth Reserve Accumulation parameter is set to 3 With these settings the accumulator pool can hold a maximum of 15 resends i e the multiplier times the maximum number of resends that could be transmitted in a frame period Note that with these settings 15 will also be the starting number of resends within the accumulator pool The chart on the next page and the numbered text below it show an example of how the accumulator would work with these settings The chart and the text assume that you are using an external trigger to trigger image acquisition The example also assumes that the camera is operating in a poor environment so many packets are lost and many resends are required
12. For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters 144 Basler ace Standard Features 9 11 5 Balance White Auto Balance White Auto is an auto function and the automatic counterpart of the manual white balance feature The balance white auto function is only available on color models The automatic white balance is a two step process First the Balance Ratio Abs parameter values for red green and blue are each set to 1 5 Then assuming a gray world model the Balance Ratio Abs parameter values are adjusted such that the average values for the red and blue pixels match the average value for the green pixels The balance white auto function uses Auto Function AOI2 and can only be operated in the once mode of operation If Auto Function AOI2 does not overlap the Image AOI see the Auto Function AOI section the pixel data from Auto Function AOI2 will not be used to control the white balance of the image However as soon as the Balance White Auto function is set to once operation mode the Balance Ratio Abs parameter values for red green and blue are each set to 1 5 These settings will control the white balance of the image For information on the white balance feature see Section 9 3 on page 111 To use the balance white auto function carry out the following steps
13. tranar tee 72 7 2 20 Mono 12 Format 0 000 eee 74 7 2 3 Mono 12 Packed Format 0 0000 c eee eee 76 7 2 4 YUV 4 2 2 Packed Format 0 000 00 cee 78 7 2 5 YUV 4 2 2 YUYV Packed Format 00000 0c cee eee eee 78 7 3 Pixel Data Output Formats for Color Cameras 0 0 00000 cece eee eee 79 7 3 1 The Bayer Color Filter llli 79 7 3 1 1 Color Filter Alignment llis 80 7 3 2 Bayer BG 8 Format oe ose pibus eee ge ad Beeler e et 81 1 33 Bayer BG 12 Format anos 3 iru dB E edie eeean Seis ees 83 ii Basler ace Table of Contents 7 3 4 Bayer BG 12 Packed Format 00 0 cee eee 85 735 YUV 4 2 2 Packed Format 0 00000 cece 87 7 3 6 YUV 4 2 2 YUYV Packed Format 00 00 0 eee sees 90 C34 MONOS Format cocida er ees ewe YU eee ne UR ELE es 92 7 4 Pixel Transmission Sequence 000 cece teens 94 8 O GODITOL yin E nd tie 95 8 1 Configuring the Input Line 0 0 0 0 tee 95 8 1 1 Assigning the Input Line to Receive a Hardware Trigger Signal 95 8 2 Configuring the Output Line 0 00 2 ee 96 8 2 1 Assigning a Camera Output Signal to the Physical Output Line 96 8 2 2 Setting the State of a User Settable Output Line 97 8 2 3 Setting the Output Line for Invert 0 0 022 ee 98 8 2 4 Working with the Timer Signal 0 0000 cece eee eee 99
14. 0 0 0 00 rne 132 9 11 Auto Functions csi end od ee aR ee bed eR aad is 133 9 11 1 Common Characteristics llis 133 9 11 1 1 Modes of Operation 0 0000 eee 134 9 11 1 2 Auto Function AQl o ocoocccccoooo lees 135 9 11 1 3 Using an Auto Function seses anaana aaa 139 9 11 2 Gain Auton A SLE ee Dad eau uf tee a 140 Basler ace Table of Contents 9 11 3 Exposure Autos i coca aa HA ee ER ls 142 9 11 4 Auto Function Profile 0 0 0 0 0 0 0 ccc rr 144 9 11 5 Balance White Auto llli 145 9 12 Disable Parameter Limits 0 0 00 0 eee eee eens 147 9 13 Event Reporting ssa danas a Ped Papa gaan a Whe tees RE Pa 149 9 14 TestImages x ii fA EA eden oe pe sew RAE Sie Ree wee SEES 151 9 15 Device Information Parameters 0 0 00 ccc eee ers 155 9 16 Configuration Sets z ecse erana i r a a eee 157 9 16 1 Selecting a Factory Setup as the Default Set 158 9 16 2 Saving a User Set 0 0 0 2 eee 159 9 16 3 Loading a Saved Set or the Default Set into the Active Set 160 9 16 4 Selecting the Startup Set 00 0000 0c ee 161 10 Chunk Features ostia A Oak S ERE eer ote 163 10 1 What are Chunk Features 0c ee eee eee 163 10 2 Making the Chunk Mode Active and Enabling the Extended Data Stamp 164 10 3 Frame Go unter ass is Abd oe f wets tese a Se 166 10 4 Time Stamp edi A 169 10 5 Trigger Input Counter 0 2 2
15. 00 00 00 re 171 10 6 Line Status All eee eee n 174 10 f GRC CHECKSUM 22321 REA Ere RA Sak Me a 176 11 Troubleshooting and Support 00 cece eee eee 179 11 1 Tech Support Resources o o oocococo eee 179 11 2 Obtaining an RMA Number 20 00000 eee ec eee 179 11 3 Before Contacting Basler Technical Support 0000 00 e eee 180 Appendix A Basler Network Drivers and Parameters LLiuuuuuuuuuuun 183 A 1 The Basler Filter Driver llle IR nh 184 A 2 The Basler Performance Driver 0 00 00 ccc eee eens 185 Appendix B Network Related Camera Parameters and Managing Bandwidth 195 B 1 Network Related Parameters in the Camera 000 cee eens 195 B 2 Managing Bandwidth When Multiple Cameras Share a Single Network Path 202 B 3 A Procedure for Managing Bandwidth 00 0c e eee 204 REVISION HIStory ista eid ER oe pe ER dE EXON rate eS 209 Feedback xv rra ass ades pde ga ut ola e Mace ae Rol ua Ceca tu aid 211 Index DE el qti aed KERR STG WAR CAMO ERAS 213 iv Basler ace Specifications Requirements and Precautions 1 Specifications Requirements and Precautions This section lists the camera models covered by the manual It provides the general specifications for those models and the basic requirements for using them This section also includes specific precautions that you should keep in mind when using the cameras We strongly
16. 1 Select Auto Function AOI2 2 Setthe position and size of Auto Function AOI2 3 Enable the balance white auto function by setting it to once You can carry out steps 1 to 3 from within your application software by using the pylon API The following code snippet illustrates using the API to use the auto function Selecting and setting Auto Function AOI2 See the Auto Function AOI section above Enabling the balance white auto function and selecting the once mode of operation Set AOI for white balance statistics Currently AutoFunctionAOISelector AOI2 is predefined to gather white balance statistics Set position and size of the auto function AOI Camera AutoFunctionAOISelector SetValue AutoFunctionAOISelector AOI2 Camera AutoFunctionAOIOffsetX SetValue 0 Camera AutoFunctionAOIOffsetY SetValue 0 Camera AutoFunctionAOIWidth SetValue Camera AutoFunctionAOIWidth GetMax Camera AutoFunctionAOIHeight SetValue Camera AutoFunctionAOIHeight GetMax Set mode of operation for balance white auto function Camera BalanceWhiteAuto SetValue BalanceWhiteAuto Once Basler ace 145 Standard Features For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For general information about auto functions see Section 9 11 on page 133 For information
17. 174 line status parameter 104 lookup table sssssessssesss 129 luminance lookup table 129 EU Tete t ettet rennen 129 LUT enable parameter 131 LUT index parameter 131 LUT selector 131 M max frame jitter parameter 199 max frame rate sessssssssssssss 67 max height parameter 155 max lens thread length 9 max number resend request parameter ita 189 max width parameter 155 mirror image cccccccccccnncinananananaannnncnnnccnnns 126 missing packet O a 185 SlalUS ainn a a o 185 mode of operation of auto function continuous cccoooconacanaaanconnncnnncnnnncnnninon 134 ONCE MICE 134 Basler ace Index models vanos Nene er Rs 1 mono 12 packed pixel format 76 mono 12 pixel format 74 mono 8 pixel format 72 92 multiple cameras on a network 202 N network adapter packet SiZO oooooocccocccoccccccccnnncnnnccnncnnn 205 network drivers eese 183 network parameter sssse 204 network performance sssse 204 network switch packet size sseess 205 O optical size of the sensor
18. B5 Blue value for P2 B5 Green value for P B3 Green value for P3 B3 Red value for P3 B4 Blue value for P4 B4 Green value for P4 Bs Green value for Ps Bs Red value for Ps z e z e 2 e 2 e 2 e 2 e Bm 5 Blue value for P 5 Bm 5 Green value for Ph 5 Bm 4 Green value for P4 Bm 4 Red value for P4 Bm 3 Blue value for Ph 3 Bm 3 Green value for Ph 3 Bm 2 Green value for P Bm 2 Red value for Pp 2 Bm 1 Blue value for P 4 Bm4 Green value for P 4 Bm Green value for Ph Bm Red value for P Basler ace 81 Pixel Data Formats With the camera set for Bayer BG 8 the pixel data output is 8 bit data of the unsigned char type The available range of data values and the corresponding indicated signal levels are as shown in the table below This Data Value Hexadecimal Indicates This Signal Level Decimal OxFF 255 OxFE 254 0x01 1 0x00 0 82 Basler ace Pixel Data Formats 7 3 3 Bayer BG 12 Format When a color camera is set for the Bayer BG 12 pixel data format it outputs 16 bits of data per pixel with 12 bits effective The 12 bits of effective pixel data fill from the least significant bit The four unused most significant bits are filled with zeros With the Bayer BG 12 the pixel data is not processed or interpolated in any way So for each pixel covered with a red lens you get 12 effective bits of red data For each pixel covered with a green
19. 1 Max F S ee nae a aA Ae MER ax Frames s 400 x 16 99 us 1376 35 MS Max Frames s 122 3 frames s Formula 2 1 2000 us 24 00 us Max Frames s 494 1 frames s Max Frames s Formula 3 110000000 Bytes s Max F LA Bytes s E 240000 Bytes Max Frames s 458 3 frames s Formula one returns the lowest value So in this case the limiting factor is the sensor readout time and the maximum allowed acquisition frame rate would be 122 3 frames per second Basler ace 69 Image Acquisition Control 6 6 1 Disabling the Frame Rate Limit Normally the maximum frame rate that an acA640 100 camera can achieve with a given group of parameter settings is as described in the previous section In this normal situation the maximum frame rate is limited by the standard operating ranges of several of the electronic components used in the camera The goal of remaining within these standard operating ranges is to ensure that the camera provides optimum image quality If you desire you can use the Disable Parameter Limits feature to remove the maximum frame rate limit on your acA640 100 camera If you remove the frame rate limit the electronic components will be allowed to operate outside of their normal operating ranges With the limit removed you will find that the maximum allowed frame rate at full resolution will increase and that the maximum allowed frame rate with smaller AOI settings will also increase proportionately
20. 2 and 3 until the data bandwidth assigned is equal to or just greater than the data bandwidth needed Note O If you increase the inter packet delay to lower a camera s data output rate there is something that you must keep in mind When you lower the data output rate you increase the amount of time that the camera needs to transmit an acquired frame image Increasing the frame transmission time can restrict the camera s maximum allowed acquisition frame rate Step 7 Check that the total bandwidth assigned is less than the network capacity 1 For each camera determine the current value of the Bandwidth Assigned parameter The value is in Byte s Make sure that you determine the value of the Bandwidth Assigned param eter after you have made any adjustments described in the earlier steps 2 Find the sum of the current Bandwidth Assigned parameter values for all of the cameras Ifthe sum of the Bandwidth Assigned values is less than 125 MByte s for a Give network or 12 5 M Byte s for a 100 Bit s network the bandwidth management is OK If the sum of the Bandwidth Assigned values is greater than 125 MByte s for a Give network or 12 5 M Byte s for a 100 Bit s network the cameras need more bandwidth than is available and you must Basler ace 207 Network Related Camera Parameters and Managing Bandwidth make adjustments In essence you must lower the data bandwidth needed by one or more of the cameras and then adjust the data band
21. 30 Frame Trigger Wait Signal with the Trigger Width Exposure Mode If you are operating the camera in the trigger width exposure mode you can avoid overtriggering the camera by always doing the following Setting the camera s Exposure Overlap Time Max parameter so that it represents the smallest exposure time you intend to use Monitoring the camera s Frame Trigger Wait output signal and only using the ExFSTrig signal to start exposure when the Frame Trigger Wait signal is high Making sure that your exposure time is always equal to or greater than the setting for the Exposure Overlap Time Max parameter You should set the Exposure Overlap Time Max Abs parameter value to represent the shortest exposure time you intend to use For example assume that you will be using trigger width exposure mode and that you intend to use the ExFSTrig signal to vary the exposure time in a range from 3000 us to 5500 us In this case you would set the camera s Exposure Overlap Time Max Abs parameter to 3000 us You can use the pylon API to setthe Exposure Overlap Time Max Abs parameter value from within your application software The following code snippet illustrates using the API to set the parameter value Camera ExposureOverlapTimeMaxAbs SetValue 3000 Basler ace 63 Image Acquisition Control For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pyl
22. Camera TriggerSelector SetValue TriggerSelector FrameStart Set the mode for the selected trigger Camera TriggerMode SetValue TriggerMode Off Set th xposure tim Camera ExposureTimeAbs SetValue 3000 Enable the acquisition frame rate parameter and set the frame rat Camera AcquisitionFrameRateEnable SetValue true Camera AcquisitionFrameRateAbs SetValue 60 0 Start image capture Camera AcquisitionStart Execute For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 45 Image Acquisition Control 6 2 2 Using a Software Frame Start Trigger 6 2 2 1 Introduction Ifthe camera s Frame Start Trigger Mode parameter is setto On and the Frame Start Trigger source parameter is set to Software you must use a software trigger to start frame acquisition A software trigger is issued to the camera by executing a Trigger Software command on the host PC Image acquisition starts when the software trigger is received by the camera The exposure time for each image is determined by the value of the camera s Exposure Time Abs parameter Figure 18 illustrates image acquisition with a software trigger When using a software trigger the camera s
23. If you do disable the maximum frame rate limit you may see some degradation in the overall image quality In many applications however the benefits of an increase in the maximum allowed frame rate will outweigh the drawbacks of a marginal decrease in image quality To determine how much disabling the frame rate limit will affect the maximum allowed frame rate with your current camera settings Read the value of the Resulting Frame rate parameter with the maximum frame rate limit enabled Use the Disable Parameter Limits feature to remove the limit Read the value of the Resulting Frame rate parameter with the limit disabled For more information about using the Disable Parameter Limits feature see Section 9 12 on page 147 For more information about the Resulting Frame Rate parameter see page 200 70 Basler ace Pixel Data Formats 7 Pixel Data Formats By selecting a pixel data format you determine the format layout of the image data transmitted by the camera This section provides detailed information about the available pixel data formats 7 1 The setting for the camera s Pixel Format parameter determines the format of the pixel data that will be output from the camera The available pixel formats depend on the camera model and whether the camera is monochrome or color Table 8 lists the pixel formats available on each monochrome camera model and Table 9 lists the pixel formats available on each color camera model Setti
24. Minimum and Maximum Allowed Gain Raw Settings To set the Gain Raw parameter value Set the Gain Selector to Gain All Set the Gain Raw parameter to your desired value You can set the Gain Selector and the Gain Raw parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera GainSelector SetValue GainSelector All Camera GainRaw SetValue 400 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 108 Basler ace Standard Features Note On all cameras the minimum setting for the Gain Raw parameter can be reduced to O by using the Disable Parameter Limits feature For more information about the Disable Parameter Limits feature see Section 9 12 on page 147 If you know the current decimal setting for the gain raw you can use the following formula to calculate the dB of gain that will result from that setting Gaingp 0 0359 x Gain Raw Setting Example Assume that you are working with a camera that has a gain raw setting of 200 The gain is calculated as follows Gaing 0 0359 x 200 Gaingp 7 2 Table 11 shows the minimum and maximum possible dB of gai
25. The numbered text is keyed to the time periods in the chart Basler ace 197 Network Related Camera Parameters and Managing Bandwidth Time Period 1 2 3 4 5 6 7 8 9 a ff ft A E FA amp TI FA amp TIIFA amp T FA amp T FA amp TIIFA amp T FA amp T FA amp T Resends available via the bandwidth 5 5 5 5 5 5 5 5 5 reserve Resends needed 0 7 4 10 20 1 0 0 1 Effect on the accumulator pool 0 2 1 5 9 F4 5 5 i Resends left in the accumulator pool 15 13 14 9 0 4 9 14 15 after frame transmission F A amp T Frame Acquired Not enough 1 198 and Transmitted resends available Packet unavailable errors generated You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period but no resends are needed The accumulator pool started with 15 resends available and remains at 15 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period but 7 resends are needed The 5 resends available via the bandwidth reserve are used and 2 resends are used from the accumulator pool The accumulator pool is drawn down to 13 You trigger image acquisition and during this time period the camera acquires and transmits
26. lens you get 12 effective bits of green data And for each pixel covered with a blue lens you get 12 effective bits of blue data This type of pixel data is sometimes referred to as raw output The BG in the name Bayer BG 12 refers to the alignment of the colors in the Bayer filter to the pixels in the acquired images For even lines in the images pixel one will be blue pixel two will be green pixel three will be blue pixel four will be green etc For odd lines in the images pixel one will be green pixel two will be red pixel three will be green pixel four will be red etc For more information about the Bayer filter see Section 7 3 1 on page 79 The tables below describe how the data for the even lines and for the odd lines of a received frame will be ordered in the image buffer in your PC when the camera is set for Bayer BG 12 output Note that the data is placed in the image buffer in little endian format The following standards are used in the tables Po the first pixel transmitted by the camera for a line P the last pixel transmitted by the camera for a line Bo the first byte of data for a line Bm the last byte of data for a line Even Lines Odd Lines Byte Data Byte Data Bo Low byte of blue value for Py Bo Low byte of green value for Py B4 High byte of blue value for Py B4 High byte of green value for Pg Bo Low byte of g
27. power and I O cable will adjust the voltages to the levels required by the camera s I O input see Table 3 Voltage Significance 0 to 24 VDC Recommended operating voltage 0 to 8 4 VDC The voltage indicates a logical 0 gt 8 4 to 10 4 VDC Region where the transition threshold occurs the logical state is not defined in this region gt 10 4 VDC The voltage indicates a logical 1 30 0 VDC Absolute maximum the camera may be damaged when the absolute maximum is exceeded Table 4 Voltage Requirements When Using a PLC Power and I O Cable Basler ace 33 Physical Interface 5 7 1 2 Input Line Schematic The camera is equipped with one physical input line designated as Input Line 1 The input line is accessed via the 6 pin receptacle on the back of the camera As shown in the I O line schematic the input line is opto isolated See the previous section for input voltages and their significances The absolute maximum input voltage is 30 0 VDC The current draw for each input line is between 5 mA and 15 mA Figure 12 shows an example of a typical circuit you can use to input a signal into the camera Input Line 1 can be used to receive an externally generated frame start trigger ExFSTrig signal for controlling the start of image acquisition Your Gnd 6 Pin Receptacle Input Voltage 30 VDC Camera Hoon Absolute BAS16XV2T1 Your Gnd In_
28. see area of interest niu 20 area of interest auto function AOI ssssse 133 explained te tet 119 image AOP ehanet eiaeia 135 SONO isnaad eec 120 using with binning 124 auto function 133 mode of operation 134 using with binning 133 auto function AOI explained eeeesss 133 SONO mee 138 auto function profile 144 auto functions factory setup 157 B balance white auto 145 bandwidth assigned parameter 196 bandwidth reserve accumulation parameter ecce 197 bandwidth reserve parameter 196 bandwidth managing 202 Bayer BG 12 packed pixel format 85 Bayer BG 12 pixel format 83 Bayer BG 8 pixel format 81 Bayer filler ete eee 79 binnihng eee diei noceat e WRT ea ceret 122 AOI settings 124 image distortion 124 reduced resolution 124 response to light 124 Cup 123 bit dept titel ids 2 black level explained eeeeesss 110 SONO E 110 black level raw parameter 110 black level selector 110 block diagram
29. 1 1 2 General Specifications 20 0000 cee 2 1 3 Spectral Response a E te eee 4 1 3 1 Mono Camera Spectral Response 000 0 cee eee 4 1 3 2 Color Camera Spectral Response 000 0c eee eee 6 1 4 Mechanical Specifications 0 00000 tees 8 1 4 1 Camera Dimensions and Mounting Points 0220002000 8 1 4 2 Maximum Thread Length on Color Cameras lille 9 1 5 Software Licensing Information oooooccccoorcccr eo 10 1 6 Avoiding EMI and ESD Problems 0 00 cece tee eee 11 1 7 Environmental Requirements 0 000 cee eae 12 1 7 1 Temperature and Humidity 2 000 60 ee 12 1 7 2 Heat Dissipation 0 000 ee 12 1 8 Precautions epa rra hes see tw Ri be Rd dug bird 13 Z J INStANAHONG oss doubt Sema 55 5 oa AAA EEUU NEAR 17 3 Tools for Changing Camera Parameters 19 39 1 The pylon Viewer yer acs see AAA HUE Gesundes Erie 4 19 3 2 The IP Configuration Tool issseslessesee e 19 3 9 The pylon API io eee ee aa A eee PR CEDERE RR RU ES COPIER 20 4 Camera Functional Description 0 0 eee 21 4 COVEI Wat eme rrr le oa ech BERE Bln AAA A e Rc 21 5 Physical interfaces lt 0cocrirad we csoo Che ede eee wens ees ee IRE 23 5 1 General Description of the Connections llle 23 5 2 Connector Pin Assignments and Numbering 0 0000 eee eee eee 24 5 2
30. 55 Image Acquisition Control 6 3 Overlapping Exposure with Sensor Readout The image acquisition process on the camera includes two distinct parts The first part is the exposure of the pixels in the imaging sensor Once exposure is complete the second part of the process readout of the pixel values from the sensor takes place In regard to this image acquisition process there are two common ways for the camera to operate with non overlapped exposure and with overlapped exposure In the non overlapped mode of operation each time an image is acquired the camera completes the entire exposure readout process before acquisition of the next image is started The exposure for a new image does not overlap the sensor readout for the previous image This situation is illustrated in Figure 23 with the camera set for the trigger width exposure mode ExFSTrig Signal Image Acquisition N Image Acquisition N 1 Image Acquisition N 2 Exposure Readout Exposure Readout Exposure Readout Time Fig 23 Non overlapped Exposure and Readout In the overlapped mode of operation the exposure of a new image begins while the camera is still reading out the sensor data for the previously acquire image This situation is illustrated in Figure 24 with the camera set for the trigger width exposure mode ExFSTrig Signal Image Acquisition N Exposure Readout Image Acquis
31. AOI you must follow these guidelines The sum of the X Offset setting plus the Width setting must not exceed the width of the camera s sensor For example on the acA640 100 gm the sum of the X Offset setting plus the Width setting must not exceed 659 The sum of the Y Offset setting plus the Height setting must not exceed the height of the camera s sensor For example on the acA640 100 gm the sum of the Y Offset setting plus the Height setting must not exceed 494 The X Offset Y Offset Width and Height parameters can be set in increments of 1 and Height parameters for an Auto Function AOI in increments of 2 to make the Auto Function AOI match the Bayer filter pattern of the sensor For example you should set the X Offset parameter to O 2 4 6 8 etc D On color cameras we strongly recommend setting the X Offset Y Offset Width Function AOI refer to the physical columns and lines in the sensor But if binning is enabled monochrome cameras only these parameters are set in terms of virtual columns and lines i e the settings for an Auto Function AOI will refer to the binned lines and columns in the sensor and not to the physical lines in the sensor as they normally would D Normally the X Offset Y Offset Width and Height parameter settings for an Auto For more information about the concept of a virtual sensor see Section 9 7 1 on page 124 You can select an Auto Function AOI and set the X
32. Basler s pylon Viewer tool If you cannot access the camera please try to state the following parameter settings Image Size AOI Pixel Format Exposure Time r E Packet Size r Frame Rate 11 Live image test image If you are having an image problem try to generate and save live images that show the problem Also generate and save test images Please save the images in BMP format zip them and send them to Basler technical support Basler ace 181 Troubleshooting and Support 182 Basler ace Basler Network Drivers and Parameters Appendix A Basler Network Drivers and Parameters This section describes the Basler network drivers available for your camera and provides detailed information about the parameters associated with the drivers Two network drivers are available for the network adapter used with your GigE cameras The Basler filter driver is a basic GigE Vision network driver that is compatible with all network adapters The advantage of this driver is its extensive compatibility The Basler performance driver is a hardware specific GigE Vision network driver The driver is only compatible with network adapters that use specific Intel chipsets The advantage of the performance driver is that it significantly lowers the CPU load needed to service the network traffic between the PC and the camera s It also has a more robust packet resend mechanism Note O During the installation proc
33. Offset Y Offset Width and Height parameter values for the Auto Function AOI from within your application software by using the pylon API The following code snippets illustrate using the API to select an Auto Function AOI and to get the maximum allowed settings for the Width and Height parameters The code snippets also illustrate setting the X Offset Y Offset Width and Height parameter values As an example Auto Function AOI is selected 138 Basler ace Standard Features Select the appropriate auto function AOI for luminance statistics Currently AutoFunctionAOISelector AOI1 is predefined to gather luminance statistics Set Camera Camera Camera Camera Camera position and size of the auto function AOI AutoFunctionAOISelector SetValue AutoFunctionAOISelector AOIL AutoFunctionAOIOffsetX SetValue 0 AutoFunctionAOIOffsetY SetValue 0 AutoFunctionAOIWidth SetValue Camera AutoFunctionAOIWidth GetMax AutoFunctionAOIHeight SetValue Camera AutoFunctionAOIHeight GetMax For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters 9 11 1 3 Using an Auto Function To use an auto function carry out the following steps Oa RF WN gt Select the Auto Function AOI that is related to the auto function you want to use Set the position and size
34. Reference You can also use the Basler pylon Viewer application to easily get the parameter value For more information about the pylon Viewer see Section 3 1 on page 19 You can calculate an approximate frame transmission time by using this formula Payload Size Parameter Value Frame Transmission Time 5 Device Current Throughput Parameter Value Note that this is an approximate frame transmission time Due to the nature of the Ethernet network the transmission time could vary Also note that the frame transmission cannot be less than the frame readout time So if the frame transmission time formula returns a value that is less than the readout time the approximate frame transmission time will be equal to the readout time Due to the nature of the Ethernet network the transmission start delay can vary from frame to frame The start delay however is of very low significance when compared to the transmission time For more information about the Payload Size and Device Current Throughput parameters see Section B 1 on page 195 66 Basler ace Image Acquisition Control 6 6 Maximum Allowed Frame Rate In general the maximum allowed acquisition frame rate can be limited by three factors The amount of time it takes to read an acquired image out of the imaging sensor and into the camera s frame buffer an acquired image is also known as a frame This
35. Set the Balance Ratio Selector to red green or blue Set the Balance Ratio Abs parameter to the desired value for the selected color You can setthe Balance Ratio Selector and the Balance Ratio Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera BalanceRatioSelector SetValue BalanceRatioSelector Green Camera BalanceRatioAbs SetValue 1 20 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 111 Standard Features 9 4 Digital Shift The digital shift feature lets you change the group of bits that is output from the ADC in the camera Using the digital shift feature will effectively multiply the output of the camera by 2 times 4 times 8 times or 16 times The next two sections describe how the digital shift works when the camera is set for a 12 bit pixel format and when it is set for a 8 bit pixel format There is also a section describing precautions that you must observe when using the digital shift feature and a section that describes enabling and setting the digital shift feature 9 4 1 Digital Shift with 12 Bit Pixel Formats No Shift As mentioned in th
36. SetValue 100 When you use the Timer Duration Abs parameter to set the duration time the camera accomplishes the setting change by automatically changing the Timer Duration Raw parameter to achieve the value specified by the Timer Duration Abs setting This leads to a limitation that you must keep in mind if you use Timer Duration Abs parameter to set the duration time That is you must set the Timer Duration Abs parameter to a value that is equivalent to a setting you could achieve by using the Timer Duration Raw and the current Timer Duration Base parameters For example if the time base was currently set to 50 us you could use the Timer Duration Abs parameter to set the duration to 50 us 100 us 150 us etc If you read the current value of the Timer Duration Abs parameter the value will indicate the product of the Timer Duration Raw parameter and the Timer Duration Time Base In other words the Timer Duration Abs parameter will indicate the current duration time setting You should also be aware that if you change the duration time using the raw settings the Timer Duration Abs parameter will automatically be updated to reflect the new duration time Basler ace 103 1 0 Control 8 3 Checking the State of the I O Lines 8 3 1 Checking the State of the Output Line You can determine the current state of the output line To check the state of the output line Use the Line Selector parameter to select output line 1 Read the valu
37. SetValue TriggerDelay us Set for the timed exposure mod Camera ExposureMode SetValue ExposureMode Timed Set th xposure tim Camera ExposureTimeAbs SetValue 3000 Prepare for image capture Camera AcquisitionStart Execute Frame acquisition will start when the externally generated frame start trigger signal ExFSTrig signal goes high The following code snippet illustrates using the API to set the parameter values and execute the commands related to hardware triggering with the camera set for continuous frame acquisition mode In this example we will use the trigger width exposure mode with rising edge triggering Set the acquisition mode to single frame Camera AcquisitionMode SetValue AcquisitionMode Continuous Select a trigger to work with m Camera TriggerSelector SetValue TriggerSelector FrameStart Set the mode for the selected trigger m Camera TriggerMode SetValue TriggerMode On Set the source for the selected trigger m Camera riggerSource SetValue TriggerSource Linel Set the trigger activation mode to rising edge Camera TriggerActivation SetValue TriggerActivation RisingEdge Set for the trigger width exposure mode Camera ExposureMode SetValue ExposureMode TriggerWidth 52 Basler ace Image Acquisition Control Set th xposure overlap time max abs the shortest exposu
38. Synchronization Via external trigger signal via the GigE connection or free run Exposure Control Via external trigger signal or programmable via the camera API Camera Power Requirements PoE Power over Ethernet 802 3af compliant or 12 VDC 10 lt 1 ripple supplied via the camera s 6 pin connector 2 0 W when using Power over Ethernet 2 3 W 12 VDC when supplied via the camera s 6 pin connector Note When using extremely small AOls power consumption may increase to 2 4W 2 2 W when using Power over Ethernet 2 5 W 12 VDC when supplied via the camera s 6 pin connector Note When using extremely small AOls power consumption may increase to 2 9 W 1 0 Ports 1 opto isolated input line and 1 opto isolated output line Lens Adapter C mount Size Lx W x H 42 0 mm x 29 mm x 29 mm without lens adapter or connectors 60 3 mm x 29 mm x 29 mm with lens adapter and connectors Table 1 General Specifications Basler ace Specifications Requirements and Precautions Specification acA640 100gm gc acA1300 30gm gc Weight lt 90g Conformity CE UL in preparation FCC GenlCam GigE Vision IP30 RoHS Software Driver GigEVision compliant Basler pylon SDK including filter and performance drivers Available for windows or Linux in 32 or 64 bit versions Table 1 General Specifications Basler ace Spe
39. Trigger Mode rein A ee edad at ac 43 6 2 1 1 Frame Start Trigger Mode Off 220005 43 6 2 1 2 Frame Start Trigger Mode 2 On 20000 eee 44 6 2 1 3 Setting The Frame Start Trigger Mode and Related Parameters 45 6 2 2 Using a Software Frame Start Trigger 00000 cee eee eee 46 62 2 1 Introduction oett A eee ae RU 46 6 2 2 2 Acquisition Status lille 46 6 2 2 3 Setting the Software Trigger and Related Parameters 47 6 2 3 Using a Hardware Frame Start Trigger 0002 eee eae 49 6 2 3 4 Introduction liiis 49 6 2 3 2 Exposure Modes 02 eee ee 50 62 3 3 Trigger Delay over sak te how eed a eee gba seta eed et fies 51 6 2 3 4 Setting the Hardware Trigger Related Parameters 52 6 2 4 The Exposure Time Abs Parameter 0 0 00 eee 54 6 2 5 The Exposure Active Signal lisse 55 6 3 Overlapping Exposure with Sensor Readout 0 0 00 cee eee 56 6 4 Using the Frame Trigger Wait Signal to Avoid Overtriggering the Camera 59 6 5 Acquisition Timing Chart 00 00 res 65 6 6 Maximum Allowed Frame Rate 0 000 cece es 67 6 6 1 Disabling the Frame Rate Limit 0 00 002 eee 70 7 Pixel Data Formats 200 ashe ER AS 71 7 1 Setting the Pixel Data Format nasasa aaa 000s 71 7 2 Pixel Data Formats for Mono Cameras 0 000 eee eee 72 7 2 1 Mono 8 Format
40. X feature is enabled 126 Basler ace Standard Features Normal Image Mirror Image Bor AOI AOI Note For color cameras provisions are made ensuring that the effective color filter alignment will be constant for both normal and mirror images Note AOls used for the auto function feature will behave analogously to standard AOls Depending on whether or not the reverse X feature is enabled an Image AOI will display different images and an Auto Function AOI will refer to different image contents The positions of the AOls relative to the sensor will not change For more information about auto functions see Section 9 11 on page 133 Basler ace 127 Standard Features Setting Reverse X You can enable or disable the reverse X feature by setting the ReverseX parameter value You can set the parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter value Enable reverse X Camera ReverseX SetValue true For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameter For more information about the pylon Viewer see Section 3 1 on page 19 128 Basler ace Standard Features 9 9 Luminance Lookup Table 9 9 1 Lookup Table Pixel data from the imaging sensor
41. a frame The bandwidth reserve setting would allow 5 resends during this time period and 4 resends are needed The 4 resends needed are taken from the resends available via the bandwidth reserve The fifth resend available via the bandwidth reserve is not needed so it is added to the accumulator pool and brings the pool to 14 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period but 10 resends are needed The 5 resends available via the bandwidth reserve are used and 5 resends are used from the accumulator pool The accumulator pool is drawn down to 9 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period but 20 resends are needed The 5 resends available via the bandwidth reserve are used To complete all of the needed resends 15 resends would be required from the accumulator pool but the pool only has 9 resends So the 9 resends in the pool are used and 6 resend requests are answered with a packet unavailable error code The accumulator pool is reduced to 0 Basler ace Network Related Camera Parameters and Managing Bandwidth 6 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this tim
42. about Auto Function AOls and how to set them see Section 9 11 1 2 on page 135 146 Basler ace Standard Features 9 12 Disable Parameter Limits For each camera feature the allowed range of any associated parameter values is normally limited The factory limits are designed to ensure optimum camera operation and in particular good image quality For special camera uses however it may be helpful to set parameter values outside of the factory limits The disable parameter limits feature lets you disable the factory limits for parameters associated with certain camera features When the factory limits are disabled the parameter values can be set within extended limits Typically the range of the extended limits is dictated by the physical restrictions of the camera s electronic devices such as the absolute limits of the camera s variable gain control The values for any extended limits can be seen using the Basler pylon Viewer or from within your application via the pylon API Currently the limits can be removed from The Gain feature Disabling the parameter limits on the Gain feature will only remove the lower limit With the Gain limits disabled the lower limit for the Gain parameter on all camera models is reduced to 0 The maximum allowed frame rate on acA640 100 cameras Disabling the limit on the maximum allowed frame rate will let the camera operate at a higher than normal frame rate for the current parameter settin
43. about the auto function profile feature see Section 9 11 4 on page 144 To use the exposure auto function carry out the following steps Make sure trigger width exposure mode is not selected Select Auto Function AOI1 Set the position and size of Auto Function AOI1 Set the lower and upper limits for the Exposure Time Abs parameter value Set the target average gray value If necessary set the auto function profile DX o 9 Romse Enable the exposure auto function by setting it to once or continuous You must choose the continuous setting when using the auto function profile The settable limits for the Exposure Time Abs parameter value are limited by the minimum allowed and maximum possible exposure time of the camera model The target average gray value may range from O black to 255 white when the camera is set for an 8 bit pixel format or from 0 black to 4095 white when the camera is set for a 12 bit pixel format 142 Basler ace Standard Features You can carry out steps 1 to 7 from within your application software by using the pylon API The following code Selecting a Setting the snippets illustrate using the API to set the parameter values nd setting Auto Function AOI1 See the Auto Function AOI section above limits for the Exposure Time Abs parameter value the set parameter values serve as examples Setting the Enabling th operation target average gray value A medium gray value is
44. application to easily get the parameter value For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 57 Image Acquisition Control Guideline for Overlapped Operation with Trigger Width Exposure If the camera is set for the trigger width exposure mode and you are operating the camera in a way that readout and exposure will be overlapped there is an important guideline you must keep in mind You must not end the exposure time of the current frame acquisition until readout of the previously acquired frame is complete If this guideline is violated the camera will drop the image for which the exposure was just ended and will declare a Frame Start Overtriggered event This situation is illustrated in Figure 25 with the camera set for the trigger width exposure mode ExFSTrig Signal Image Acquisition N 1 Exposure Readout i Image Acquisition N 1 R i Exposure EI This exposure was ended too i early The image will be dropped and an overtrigger event declared Exp Image Acquisition N 3 Exposure Readout Time Fig 25 Overtriggering Caused by an Early End of Exposure You can avoid violating this guideline by using the camera s Frame Trigger Wait output signal to determine when exposure can safely begin and by properly setting the camera s Exposure Overlap Time Max Abs parameter For more information about the Frame Trigger Wait outp
45. area in the camera s non volatile memory available for saving a configuration set A configuration set saved in the reserved area is commonly referred to as a user set The one available user set is referred to as User Set 1 When the camera is running the saved user set can be loaded into the active set The saved user set can also be designated as the startup set i e the set that will be loaded into the active set whenever the camera is powered on or reset Instructions for loading a saved user set into the active set and for designating which set will be the startup set appear below lost when the camera is reset or switched off If you are using the lookup table feature you must reenter the lookup table values after each camera startup or reset O The values for the luminance lookup table are not saved in the user set and are Designating a Startup Set You can designate the default set or the user set as the startup set The designated startup set will automatically be loaded into the active set whenever the camera starts up at power on or after a reset Instructions for designating the startup set appear below For more information about auto functions see Section 9 11 on page 133 9 16 1 Selecting a Factory Setup as the Default Set When the camera is delivered the Standard Factory Setup will be selected as the default set You can however select any one of the three factory setups to serve as the defa
46. camera set for Bayer BG 12 only 12 bits of the 16 bits transmitted are effective Therefore the highest data value you will see is OxOFFF indicating a signal level of 4095 This Data Value Indicates This Signal Level Hexadecimal Decimal OxOFFF 4095 OxOFFE 4094 0x0001 1 0x0000 0 84 Note A camera that is set for Bayer BG 12 has only 12 effective bits out of the 16 bits transmitted for each pixel The leader of each transmitted frame will indicate Bayer BG12 as the pixel format Basler ace Pixel Data Formats 7 3 4 Bayer BG 12 Packed Format When a color camera is set for the Bayer BG 12 Packed pixel dataformat it outputs 12 bits of data per pixel Every three bytes transmitted by the camera contain data for two pixels With the Bayer BG 12 Packed coding the pixel data is not processed or interpolated in any way So for each pixel covered with a red lens in the sensor s Bayer filter you get 12 bits of red data For each pixel covered with a green lens in the filter you get 12 bits of green data And for each pixel covered with a blue lens in the filter you get 12 bits of blue data This type of pixel data is sometimes referred to as raw output For more information about the Bayer filter see Section 7 3 1 on page 79 The tables below describe how the data for the even lines and for the odd lines of a received frame will be ordered in the image buffer in yo
47. cameras use a Bayer filter on the sensor and each individual pixel gathers information for only one color For more information on the Bayer filter see Section 7 3 1 on page 79 The second step of the process is to convert the RGB information to the YUV color model The conversion algorithm uses the following formulas Y 0 30R 0 59G 0 11B U 0 17R 0 33G 0 50B V OSOR 0 41G 0 09B Once the conversion to a YUV color model is complete the pixel data is transmitted to the host PC Note O The values for U and for V normally range from 128 to 127 Because the camera transfers U values and V values with unsigned integers 128 is added to each U value and to each V value before the values are transferred from the camera This process allows the values to be transferred on a scale that ranges from 0 to 255 Basler ace 87 Pixel Data Formats The table below describes how the pixel data for a received frame will be ordered in the image buffer in your PC when the camera is set for YUV 4 2 2 Packed output The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Bo U value for Po B4 Y value for Pg Bo V Value for Pg B3 Y value for P4 B4 U value for P3 Bs Y value for P5 Be V Value fo
48. containing the value of the counter The frame counter is a 32 bit value The counter starts at 0 and increments by 1 for each acquired image The counter counts up to 4294967295 unless it is reset before see below After having reached the maximum value the counter will continue counting starting at 0 Be aware that if the camera is acquiring images continuously and continuous capture is stopped several numbers in the counting sequence may be skipped This happens due to the internal image buffering scheme used in the camera Note The chunk mode must be active before you can enable the frame counter feature or any of the other chunk feature Making the chunk mode inactive disables all chunk features To enable the frame counter chunk Use the Chunk Selector to select the Frame Counter chunk Use the Chunk Enable parameter to set the value of the chunk to true Once the frame counter chunk is enabled the camera will add a frame counter chunk to each acquired image To retrieve data from a chunk appended to an image that has been received by your PC you must first run the image and its appended chunks through the chunk parser included in the pylon API Once the chunk parser has been used you can retrieve the frame counter information by doing the following Read the value of the Chunk Frame Counter parameter You can set the Chunk Selector and Chunk Enable parameter value from within your application software by using the pylon
49. decrease the sensor readout time and will make this factor less restrictive If you are using normal exposure times and you are using the camera at it s maximum resolution your exposure time will not normally be the most restrictive factor on the frame rate However if you are using long exposure times or small areas of interest it is quite possible to find that your exposure time is the most restrictive factor on the frame rate In this case you should lower your exposure time You may need to compensate for a lower exposure time by using a brighter light source or increasing the opening of your lens aperture The frame transmission time will not normally be a restricting factor But if you are using multiple cameras and you have set a small packet size or a large inter packet delay you may find that the transmission time is restricting the maximum allowed rate In this case you could increase the packet size or decrease the inter packet delay If you are using several cameras connected to the host PC via a network switch you could also use a multiport network adapter in the PC instead of a switch This would allow you to increase the Ethernet bandwidth assigned to the camera and thus decrease the transmission time For more information about AOI settings see Section 9 6 on page 119 Basler ace 67 Image Acquisition Control For more information on the settings that determine the bandwidth assigned to the camera see Section B 2 on pag
50. duration time will be determined by a combination of two elements The first element is the value of the Timer Duration Raw parameter and the second element is the Timer Duration Time Base The duration time is the product of these two elements Duration Time Timer Duration Raw Parameter Value x Timer Duration Time Base By default the Timer Duration Time Base is fixed at 1 us Typically the duration time is adjusted by setting only the Timer Duration Raw parameter value The Timer Duration Raw parameter value can range from 1 to 4095 So if the value is set to 100 for example the timer duration will be 100 x 1 us or 100 us To set the duration for timer 1 Use the Timer Selector to select timer 1 Set the value of the Timer Duration Raw parameter You can set the Timer Selector and the Timer Duration Raw parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera TimerSelector SetValue TimerSelector Timerl Camera TimerDurationRaw SetValue 100 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Changing the Duration Time Base By default the Timer Duration Time Base is fixed at 1 us and the timer duration is normally adjusted by setting
51. each camera for image data transmission For each camera to make sure that the actual bandwidth assigned for image data transmission matches the bandwidth needed To make sure that the total bandwidth assigned to all cameras does not exceed the network s bandwidth capacity To make adjustments if the bandwidth capacity is exceeded Step 1 Improve the Network Performance If you use as recommended the Basler performance driver with an Intel PRO network adapter or a compatible network adapter the network parameters for the network adapter are automatically optimized and need not be changed If you use the Basler filter driver and have already set network parameters for your network adapter during the installation of the Basler pylon software continue with step two Otherwise open the Network Connection Properties window for your network adapter and check the following network parameters If you use an Intel PRO network adapter Make sure the Receive Descriptors parameter is set to its maximum value and the Interrupt Moderation Rate parameter is set to Extreme Also make sure the Speed and Duplex Mode parameter is set to Auto Detect If you use a different network adapter see whether parameters are available that will allow setting the number of receive descriptors and the number of CPU interrupts The related parameter names may differ from the ones used for the Intel PRO adapters Also the way of setting the parameters may be di
52. for each new image acquisition The mathematical expression for this test image is Gray Value column number row number counter MOD 256 152 Basler ace Standard Features Test Image 3 Moving Diagonal Gray Gradient 12 bit The 12 bit moving diagonal gray gradient test image is similar to test image 2 but it is a 12 bit pattern The image moves by one pixel from right to left whenever a new image acquisition is initiated The test pattern uses a counter that increments by one for each new image acquisition The mathematical expression for this test image is Gray Value column number row number counter MOD 4096 Test Image 4 Moving Diagonal Gray Gradient Feature Test 8 bit The basic appearance of test image 4 is similar to test image 2 the 8 bit moving diagonal gray gradient image The difference between test image 4 and test image 2 is this if a camera feature that involves digital processing is enabled test image 4 will show the effects of the feature while test image 2 will not This makes test image 4 useful for checking the effects of digital features such as the luminance lookup table Test Image 5 Moving Diagonal Gray Gradient Feature Test 12 bit The basic appearance of test image 5 is similar to test image 3 the 12 bit moving diagonal gray gradient image The difference between test image 5 and test image 3 is this if a camera feature that involves digital processing is enabled test image 5 wil
53. function will control the related image property Only the pixel data from the areas of overlap will be used by the auto function to control the image property of the entire image Different degrees of overlap are illustrated in Figure 44 The hatched areas in the figure indicate areas of overlap If the Auto Function AOI is completely included in the Image AOI see a in Figure 44 the pixel data from the Auto Function AOI will be used to control the image property If the Image AOI is completely included in the Auto Function AOI see b in Figure 44 only the pixel data from the Image AOI will be used to control the image property If the Image AOI only partially overlaps the Auto Function AOI see c in Figure 44 only the pixel data from the area of partial overlap will be used to control the image property If the Auto Function AOI does not overlap the Image AOI see d in Figure 44 the Auto Function will not or only to a limited degree control the image property For details see the sections below describing the individual auto functions AOI or depending on your needs choosing identical positions and sizes for Auto O We strongly recommend completely including the Auto Function AOI in the Image Function AOI and Image AOI about the behavior and roles of Auto Function AOI and Image AOI when also O You can use auto functions when also using the reverse X feature For information using the reverse X feature se
54. or to Off Execute the command if using software as the counter reset source You can set the trigger input counter reset parameter values from within your application software by using the pylon API The following code snippets illustrate using the API to configure and set the trigger input counter reset and to execute a reset via software configure reset of trigger input counter Camera CounterSelector SetValue CounterSelector Counterl Camera CounterEventSource SetValue CounterEventSource FrameTrigger select reset by signal on input line 1 Camera CounterResetSource SetValue CounterResetSource Linel 172 Basler ace Chunk Features select reset by software Camera CounterResetSource SetValue CounterResetSource Software execute reset by software Camera CounterReset Execute disable reset Camera CounterResetSource SetValue CounterResetSource Off For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Basler ace 173 Chunk Features 10 6 Line Status All The Line Status All feature samples the status of all of the camera s input lines and output lines each time an image acquisition is triggered It then adds a chunk to each acquired image containing the line status information The line status all information i
55. packet Resend Timeout The Resend Timeout parameter defines how long in milliseconds the performance driver will wait after detecting that a packet is missing before sending a resend request to the camera The parameter applies only once to each missing packet after the packet was detected as missing Resend Request Response Timeout The Resend Request Response Timeout parameter defines how long in milliseconds the performance driver will wait after sending a resend request to the camera before considering the resend request as lost If a resend request for a missing packet is considered lost and if the maximum number of resend requests as set by the Maximum Number Resend Requests parameter has not yet been reached another resend request will be sent In this case the parameter defines the time separation between consecutive resend requests for a missing packet Packet Timeout The Packet Timeout parameter defines how long in milliseconds the performance driver will wait for the next expected packet before it sends a resend request to the camera This parameter ensures that resend requests are sent for missing packets near to the end of a frame In the event of a major interruption in the stream of packets the parameter will also ensure that resend requests are sent for missing packets that were detected to be missing immediately before the interruption Basler ace 189 Basler Network Drivers and Parameters Threshold and Timeout
56. rate In several of these formulas you must enter the current height of the area of interest AOI If you are not using binning you would enter the height of the AOI in physical sensor lines If binning is enabled however you must use the concept of a virtual sensor as described above and the height of the AOI that you use in the formulas would be in terms of virtual sensor lines The affected formulas appear on page 68 Basler ace 125 Standard Features 9 8 Reverse X The reverse X feature is a horizontal mirror image feature When the reverse X feature is enabled the pixel values for each line in a captured image will be swapped end for end about the line s cen ter This means that for each line the value of the first pixel in the line will be swapped with the value of the last pixel the value of the second pixel in the line will be swapped with the value of the next to last pixel and so on Figure 39 shows a normal image on the left and an image captured with reverse X enabled on the right Normal Image Mirror Image ies M v ey SIE 50000000000050950 Fig 39 Reverse X Mirror Imaging Using AOls with Reverse X You can use the AOI feature when using the reverse X feature Note however that the position of an AOI relative to the sensor remains the same regardless of whether or not the reverse X feature is enabled As a consequence an AOI will display different images depending on whether or not the reverse
57. supplying camera power via Power over Ethernet PoE the power must comply with the IEEE 1394 802 3af specification 2 If you are supplying camera power via the camera s 6 pin connector and the voltage of the power is greater than 13 2 VDC damage to the camera can result If the voltage is less than 11 3 VDC the camera may operate erratically An incorrect plug can damage the 6 pin connector The plug on the cable that you attach to the camera s 6 pin connector must have 6 female pins Using a plug designed for a smaller or a larger number of pins can damage the connector Basler ace 13 Specifications Requirements and Precautions NOTICE Inappropriate code may cause unexpected camera behavior 1 The code snippets provided in this manual are included as sample code only Inappropriate code may cause your camera to function differently than expected and may compromise your application 2 To ensure that the snippets will work properly in your application you must adjust them to meet your specific needs and must test them thoroughly prior to use 3 The code snippets in this manual are written in C Other programming languages can also be used to write code for use with Basler pylon When writing code you should use a programming language that is both compatible with pylon and appropriate for your application For more information about the programming languages that can be used with Basler pylon see the d
58. than 125 MByte s the cameras should be able to operate simultaneously without problems If it is greater you must lower the data output rate of one or more of the cameras You can lower the data output rate on a camera by using the Inter packet Delay parameter This parameter adds a delay between the transmission of each packet from the camera and thus slows 202 Basler ace Network Related Camera Parameters and Managing Bandwidth the data transmission rate of the camera The higher the inter packet delay parameter is set the greater the delay between the transmission of each packet will be and the lower the data transmission rate will be After you have adjusted the Inter packet Delay parameter on each camera you can check the sum of the Bandwidth Assigned parameter values and see if the sum is now less than 125 MByte s Basler ace 203 Network Related Camera Parameters and Managing Bandwidth B 3 A Procedure for Managing Bandwidth In theory managing bandwidth sharing among several cameras is as easy as adjusting the inter packet delay In practice it is a bit more complicated because you must consider several factors when managing bandwidth The procedure below outlines a structured approach to managing bandwidth for several cameras The objectives of the procedure are To optimize network performance To determine the bandwidth needed by each camera for image data transmission To determine the bandwidth actually assigned to
59. the once mode of operation 140 Basler ace Standard Features Select the appropriate auto function AOI for luminance statistics Currently AutoFunctionAOISelector AOI1 is predefined to gather luminance statistics Set Camera Camera Camera Camera position and size of the auto function AOI AutoFunctionAOIOffsetX SetValue 0 AutoFunctionAOIOffsetY SetValue 0 AutoFunctionAOISelector SetValue AutoFunctionAOISelector AOIL AutoFunctionAOIWidth SetValue Camera AutoFunctionAOIWidth GetMax Camera AutoFunctionAOIHeight SetValue Camera AutoFunctionAOIHeight GetMax Select gain for automatic luminance control Set Camera Camera Camera gain limits for luminance control GainSelector SetValue GainSelector All AutoGainRawLowerLimit SetValue Camera GainRaw GetMin AutoGainRawUpperLimit SetValue Camera GainRaw GetMax Set Camera target value for luminance control AutoTargetValue SetValue 128 Set Camera mode of operation for gain auto function GainAuto SetValue GainAuto Once For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For general information about auto functions see Section 9 11 on page 133 For information about Auto Function AOls and how to
60. the value of the Timer Delay Raw parameter However if you require a delay time that is longer than what you can achieve by changing the value of the Timer Delay Raw parameter alone the Timer Delay Time Base Abs parameter can be used to change the delay time base The Timer Delay Time Base Abs parameter value sets the delay time base in us The default is 1 us and it can be changed in 1 us increments You can set the Timer Delay Time Base Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter value Camera TimerDelayTimebaseAbs SetValue 5 100 Basler ace 1 O Control Setting the Delay Time with an Absolute Value You can also set the timer 1 delay by using an absolute value This is accomplished by setting the Timer Delay Abs parameter The units for setting this parameter are us and the value can be set in increments of 1 us To set the delay for timer 1 using an absolute value Use the Timer Selector to select timer 1 Set the value of the Timer Delay Abs parameter You can set the Timer Selector and the Timer Delay Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera TimerSelector SetValue TimerSelector Timerl Camera TimerDelayAbs SetValue 100 When you use the Timer D
61. the value of the Timer Duration Raw parameter However if you require a duration time that is longer than what you can achieve by changing the value of the Timer Duration Raw parameter alone the Timer Duration Time Base Abs parameter can be used to change the duration time base The Timer Duration Time Base Abs parameter value sets the duration time base in us The default is 1 us and it can be changed in 1 us increments You can set the Timer Duration Time Base Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter value Camera TimerDurationTimebaseAbs SetValue 5 102 Basler ace 1 O Control Setting the Timer Duration with an Absolute Value You can also set the timer 1 duration by using an absolute value This is accomplished by setting the Timer Duration Abs parameter The units for setting this parameter are us and the value can be set in increments of 1 us To set the duration timer 1 using an absolute value Use the Timer Selector to select timer 1 Set the value of the Timer Duration Abs parameter You can set the Timer Selector and the Timer Duration Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera TimerSelector SetValue TimerSelector Timerl Camera TimerDurationAbs
62. time varies depending on the height of the frame Frames with a smaller height take less time to read out of the sensor The frame height is determined by the camera s AOI Height settings The exposure time for acquired frames If you use very long exposure times you can acquire fewer frames per second The amount of time that it takes to transmit an acquired frame from the camera to your host PC The amount of time needed to transmit a frame depends on the bandwidth assigned to the camera To determine the maximum allowed acquisition frame rate with your current camera settings you can read the value of the camera s Resulting Frame Rate parameter This parameter indicates the camera s current maximum allowed frame rate taking the AOI exposure time and bandwidth settings into account For more information about AOI Height settings see Section 9 6 on page 119 For more information about the Resulting Frame Rate parameter see page 200 Increasing the Maximum Allowed Frame Rate You may find that you would like to acquire frames at a rate higher than the maximum allowed with the camera s current settings In this case you must first use the three formulas described below to determine which factor is restricting the maximum frame rate the most Next you must try to make that factor less restrictive You will often find that the sensor readout time is most restrictive factor Decreasing the AOI height for the acquired frames will
63. white balance feature and adjusts the white balance automatically For more information about auto functions see Section 9 11 1 on page 133 For more information about the Balance White Auto function see Section 9 11 5 on page 145 With the white balancing scheme used on these cameras the red intensity green intensity and blue intensity can each be adjusted For each color a Balance Ratio parameter is used to set the intensity of the color If the Balance Ratio parameter for a color is set to a value of 1 the intensity of the color will be unaffected by the white balance mechanism If the ratio is set to a value lower than 1 the intensity of the color will be reduced If the ratio is set to a value greater than 1 the intensity of the color will be increased The increase or decrease in intensity is proportional For example if the balance ratio for a color is set to 1 2 the intensity of that color will be increased by 20 The balance ratio value can range from 0 00 to 3 98 But you should be aware that if you set the balance ratio for a color to a value lower than 1 this will not only decrease the intensity of that color relative to the other two colors but will also decrease the maximum intensity that the color can achieve For this reason we don t normally recommend setting a balance ratio less than 1 unless you want to correct for the strong predominance of one color To set the Balance Ratio parameter for a color
64. 1 6 pin Receptacle Pin Assignments amp Numbering 24 5 2 2 RJ 45 Jack Pin Assignments 8 Numbering 00020005 25 5i3 Connector Types sect Sener aaa Reo eim ia 26 5 3 1 8 pin RJ 45 Jack oo eee eh be a eee 26 5 3 2 6 pin Connector lille 26 5 4 Cabling Requirements 0 00 c cee eee 27 5 4 1 Ethernet Cables 0 0 0 0 00000 eee 27 5 4 2 Standard Power and I O Cable 00 00 27 5 4 8 PLC Power and I O Cable 0 0c eee 29 5 5 Camera POWOT cud eats A teu Bd ek Rawat WEEE ipea A 30 5 6 Ethernet GigE Device Information 0 0000 cece eee 31 5 7 Input and Output Lines 20 00 00 e 32 S04 Inputline s sce eet ena ae Ae ee ead Se Pee ee ee RS 32 Basler ace i Table of Contents 5 7 1 1 Voltage Requirements 00000 cee ee 32 5 7 1 2 Input Line Schematic 0000000 ees 34 5 7 1 3 Input Line Response Time 000 000 cee eee eee 35 Sd Debourncer soo nee ERE Ree ree Reus 35 5 7 2 OutputLine 20 0 e a eea e i tee 38 5 7 2 1 Voltage Requirements 0000 0c ee 38 5 7 2 2 Output Line Schematics 0000 cee 38 5 7 2 3 Output Line Response Time 00 selle 40 6 Image Acquisition Control 2 0 00 cee 41 6 1 Acquisition Start and Stop Commands and the Acquisition Mode 41 6 2 Frame Start Triggering 2 2 00 eee 43 0 21
65. 19 20 21 22 23 24 25 26 27 28 29 30 Auto Function AOI 3 EEHEEHE E a DODO OOOO EE LLOL Image AOI mmr rarardrarr d Fig 44 Various Degrees of Overlap Between the Auto Function AOI and the Image AOI Basler ace 137 Standard Features Setting an Auto Function AOI Setting an Auto Function AOI is a two step process You must first select the Auto Function AOI related to the auto function that you want to use and then set the size and the position of the Auto Function AOI By default an Auto Function AOI is set to the full resolution of the camera s sensor You can change the size and the position of an Auto Function AOI by changing the value of the Auto Function AOl s X Offset Y Offset Width and Height parameters The value of the X Offset parameter determines the starting column for the Auto Function AOI The value of the Y Offset parameter determines the starting line for the Auto Function AOI The value of the Width parameter determines the width of the Auto Function AOI The value of the Height parameter determines the height of the Auto Function AOI When you are setting an Auto Function
66. 1_Ctrl Gnd TLP281 Fig 12 Typical Input Circuit For more information about input line pin assignments and pin numbering see Section 5 2 on page 24 For more information about how to use an externally generated frame start trigger ExFSTrig signal to control acquisition start see Section 6 2 3 on page 49 For more information about configuring the input line see Section 8 1 on page 95 34 Basler ace Physical Interface 5 7 1 3 Input Line Response Time The response times for the input line on the camera are as shown below Not to Scale Voltage Applied f 22V to the Camera s 10 4 V with PLC cable Input Line y 14V 8 4 V with PLC cable Time S TDF gt TDR Level of Camera s Internal Input Circuit Fig 13 Input Line Response Times Time Delay Rise TDR 1 3 us to 1 6 us Time Delay Fall TDF 40 us to 60 us 5 7 1 4 Debouncer The debouncer feature aids in discriminating between valid and invalid input signals and only lets valid signals pass to the camera The debouncer value specifies the minimum time that an input signal must remain high or remain low in order to be considered a valid input signal We recommend setting the debouncer value so that it is slightly greater than the O longest expected duration of an invalid signal Setting the debouncer to a value that is too short will result in accepting invalid signals Setting the debouncer to a value t
67. 4 B4 Red value for Pz bits 3 0 Green value for P bits 3 0 Bs Red value for P4 bits 11 4 Be Green value for P4 bits 11 4 B7 Red value for Ps bits 3 0 Green value for P4 bits 3 0 Bg Red value for Ps bits 11 4 e e e Bm 5 Green value for P 3 bits 11 4 Bm 4 Red value for P 2 bits 3 O Green value for P 3 bits 3 0 Bm 3 Red value for P bits 11 4 Bm 2 Green value for P 4 bits 11 4 Bm 1 Red value for P bits 3 0 Green value for P bits 3 0 Bm Red value for P bits 11 4 When a color camera is set for Bayer BG 12 Packed the pixel data output is 12 bit data of the unsigned type The available range of data values and the corresponding indicated signal levels are as shown in the table below This Data Value Indicates This Signal Level Hexadecimal Decimal OxOFFF 4095 OxOFFE 4094 0x0001 1 0x0000 0 86 Basler ace Pixel Data Formats 7 3 5 YUV 4 2 2 Packed Format When a color camera is set for the YUV 422 Packed pixel data format each pixel in the captured image goes through a two step conversion process as it exits the sensor and passes through the camera s electronics This process yields Y U and V color information for each pixel In the first step of the process an interpolation algorithm is performed to get full RGB data for each pixel This is required because color
68. 6 pin connector and the power and I O cables see Section 5 2 on page 24 Section 5 3 on page 26 and Section 5 4 on page 27 30 Basler ace Physical Interface 5 6 Ethernet GigE Device Information The camera uses a standard Ethernet GigE transceiver The transceiver is fully 100 1000 Base T 802 3 compliant Basler ace 31 Physical Interface 5 7 Input and Output Lines 5 7 1 Input Line 5 7 1 1 Voltage Requirements Note O Different voltage levels apply depending on whether the standard power and I O cable or a PLC power and I O cable is used see below Voltage Levels When the Standard Power and l O Cable is Used The following voltage requirements apply to the camera s I O input pin 2 of the 6 pin connector when a standard power and I O cable is used Voltage Significance 0 to 24 VDC Recommended operating voltage 0 to 1 4 VDC The voltage indicates a logical 0 gt 1 4 to 2 2 VDC Region where the transition threshold occurs the logical state is not defined in this region gt 2 2 VDC The voltage indicates a logical 1 30 0 VDC Absolute maximum the camera may be damaged when the absolute maximum is exceeded Table 3 Voltage Requirements When Using the Standard Power and I O Cable 32 Basler ace Physical Interface Voltage Levels When a PLC Power and I O Cable is Used The following requirements apply to the voltages input into the PLC power and I O cable The PLC
69. 8 2 4 1 Setting the Trigger Source for the Timer 99 8 2 4 2 Setting the Timer Delay Time 0000005 100 8 2 4 3 Setting the Timer Duration Time 005 102 8 3 Checking the State of the I O Lines 0 0 0000 c eee 104 8 3 1 Checking the State of the Output Line 00 005 104 8 3 2 Checking the State of All Lines 2 2 0 0 20 esee 104 9 Standard Features cuc ER rra ewe MEN RUE 107 A IE C LT 107 92 Black Level A LEE ERRARE Dn eue END 110 9 3 White Balance on Color Models 0000 0 cece eee 111 94 Digital Shifts eae ds Tide eed AAA OA ER 112 9 4 1 Digital Shift with 12 Bit Pixel Formats 200000055 112 9 4 2 Digital Shift with 8 Bit Pixel Formats leslie 114 9 4 3 Precautions When Using Digital Shift ooo ooooo o o 116 9 4 4 Enabling and Setting Digital Shift lille 117 9 5 Integrated IR Cut Filter on Color Models llis eee eens 118 9 6 Area of Interest AOI 0 000 cee 119 9 6 1 Changing AOI Parameters On the Fly 0002000 eee eae 121 9i BINNING i tee cem DC ERE on HERUNTER ERR CR 122 9 7 1 Considerations When Using Binning llle 124 9 8 ReverseX o o oo oooo RR hh hn 126 9 9 Luminance Lookup Table 00 0 ccc sees 129 9 9 1 Lookup Table ns ssn nie oran ie eee daras aa 129 9 10 Gamma Correction
70. A Mm o fe be ove AAA 4 N 12 42 6 3 2 a gt gt 54 i 17 526 Photosensitive surface of the sensor Top Fig 5 Mechanical Dimensions in mm 8 Basler ace Specifications Requirements and Precautions 1 4 2 Maximum Thread Length on Color Cameras The C mount lens adapter on color models of the camera is normally equipped with an internal IR cut filter As shown in Figure 6 the length of the threads on any lens you use with a color camera can be a maximum of 9 6 mm and the lens can intrude into the camera body a maximum of 10 8 mm If either of these limits is exceeded the lens adapter or the IR cut filter will be damaged or destroyed and the camera will no longer operate IR Cut Filter Holder ue C mount Lens 9 6 EM A l A 9 x t 3 E o 2 N Pdl i LE Y IR Cut Filter Unthreaded Not to Scale gt Thread 9 6 Max d 10 8 Max P Fig 6 Maximum Lens Thread Length on Color Cameras dimensions in mm Basler ace 9 Specifications Requirements and Precautions 1 5 Software Licensing Information The software in the camera includes the LWIP TCP IP implementation The copyright information for this implementation is as follows Copyright c 2001 2002 Swed
71. API You can also run the parser and retrieve the chunk data The following code snippets illustrate using the API to activate the chunk mode enable the frame counter chunk run the parser and retrieve the frame counter chunk data make chunk mode active and enable Frame Counter chunk Camera ChunkModeActive SetValue true Camera ChunkSelector SetValue ChunkSelector Framecounter Camera ChunkEnable SetValue true retrieve date from the chunk IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result StreamGrabber RetrieveResult Result 166 Basler ace Chunk Features ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize int64 t frameCounter Camera ChunkFramecounter GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Comparing Counter Chunk Data When comparing trigger input counter data and frame counter data related to the same image be aware that the trigger input counter initially starts at 1 whereas the frame counter starts at 0 Therefore the trigger input count will always be ahead of the matching frame count by one if both counters were started at the same time and if an image was acq
72. Abs SetValue 100 36 Basler ace Physical Interface For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 37 Physical Interface 5 7 2 Output Line 5 7 2 1 Voltage Requirements The following voltage requirements apply to the I O output pin 4 of the 6 pin connector Voltage Significance lt 3 3 VDC The I O output may operate erratically 3 3 to 24 VDC Recommended operating voltage 30 0 VDC Absolute maximum the camera may be damaged if the absolute maximum is exceeded Table 5 Voltage Requirements for the I O Output 5 7 2 2 Output Line Schematics The camera is equipped with one physical output line designated as Output Line 1 The output line is accessed via the 6 pin connector on the back of the camera As shown in the I O schematic the output line is opto isolated See the previous section for the recommended operating voltages The absolute maximum voltage is 30 0 VDC The maximum current allowed through the output circuit is 50 mA A conducting transistor means a logical one and a non conducting transistor means a logical zero Figure 15 shows a typical circuit you can use to monitor the output line with a voltage signal Your Gnd 6 Pin I Rec
73. Basler ace USER S MANUAL Document Number AW000893 Version 02 Language 000 English Release Date 9 March 2010 Preliminary The information in this document is preliminary All content is subject to change BASLER VISION TECHNOLOGI For customers in the U S A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment The shielded interface cable recommended in this manual must be used with this equipment in order to comply with the limits for a computing device pursuant to Subpart J of Part 15 of FCC Rules For customers in Canada This apparatus complies with the Class A limits for radio noise emissions set out in Radio Interference Regulations Pour utilisateurs au Canada Cet appare
74. C you must first run the image and its appended chunks through the chunk parser included in the pylon API Once the chunk parser has been used you can retrieve the trigger input counter information by doing the following Read the value of the Chunk Trigger Input Counter parameter You can set the Chunk Selector and Chunk Enable parameter value from within your application software by using the pylon API You can also run the parser and retrieve the chunk data The following code snippets illustrate using the API to activate the chunk mode enable the trigger input counter chunk run the parser and retrieve the trigger input counter chunk data make chunk mode active and enable Trigger Input Counter chunk Camera ChunkModeActive SetValue true Camera ChunkSelector SetValue ChunkSelector Triggerinputcounter Camera ChunkEnable SetValue true retrieve data from the chunk IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result Basler ace 171 Chunk Features StreamGrabber RetrieveResult Result ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize int64 t triggerinputCounter Camera ChunkTriggerinputcounter GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more informati
75. C when the camera is set for Mono 12 Packed output The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Bo Po bits 11 4 B P4 bits 3 0 Po bits 3 Bo Py bits 11 4 B3 P bits 11 4 Ba P3 bits 3 0 P bits 3 Bs P3 bits 11 4 Bg P bits 11 4 B Ps bits 3 0 P bits 3 Bg Ps bits 11 4 Bg Pe bits 11 4 Bio P bits 3 0 Pg bits 3 B4 P bits 11 4 e e e e e Bm 5 Ph 3 bits 11 4 Bm 4 Pn o bits 3 0 Ph 3 bits 3 Bm 3 Ph 2 bits 11 4 Bm Pp bits 11 4 Bm4 P bits 3 0 P 4 bits 3 Bm Pp bits 11 4 76 Basler ace Pixel Data Formats When a monochrome camera is set for Mono 12 Packed the pixel data output is 12 bit data of the unsigned type The available range of data values and the corresponding indicated signal levels are as shown in the table below This Data Value Indicates This Signal Level Hexadecimal Decimal OxOFFF 4095 OxOFFE 4094 0x0001 1 0x0000 0 Basler ace 77 Pixel Data Formats 7 2 4 YUV 4 2 2 Packed Format When a monochrome camera is set for the YUV 4 2 2 Packed pixel data format the camera transmits Y U and V valu
76. Delay Fall TDF 0 6 us Fall Time FT 0 7 us to 1 4 us Note The response times for the output line on your camera will typically fall into the ranges specified above The exact response time for your specific application will depend on the external resistor and the applied voltage you use 40 Basler ace Image Acquisition Control 6 Image Acquisition Control This section provides detailed information about controlling image acquisition You will find details about triggering frame acquisition about setting the exposure time for acquired frames about controlling the camera s frame acquisition rate and about how the camera s maximum allowed frame acquisition rate can vary depending on the current camera settings Four major elements are involved in controlling the acquisition of images Acquisition start and acquisition stop commands The acquisition mode parameter Frame start triggering Exposure time control 6 1 Acquisition Start and Stop Commands and the Acquisition Mode The use of Acquisition Start and Acquisition Stop commands and the camera s Acquisition Mode parameter setting are related Issuing an Acquisition Start command to the camera prepares the camera to acquire frames You must issue an Acquisition Start command to the camera before you can begin acquiring frames Issuing an Acquisition Stop command to the camera terminates the camera s ability to acquire frames When the camera receives an Acquisitio
77. DeviceVersion GetValue Read the Firmware Version parameter Pylon String t firmwareVersion Camera DeviceFirmwareVersion GetValue Read the Device ID parameter Pylon String t deviceID Camera DeviceID GetValue Basler ace 155 Standard Features Writ and read the Device User ID Camera DeviceUserID custom name Pylon String t deviceUserID Camera DeviceUserID GetValu Read int64 t the Sensor Width parameter sensorWidth Camera SensorWidth GetValue Read int64 t Read int64 t Read the Sensor Height parameter sensorHeight Camera SensorHeight GetValue the Max Width parameter maxWidth Camera WidthMax GetValue int64 t the Max Height parameter maxHeight Camera HeightMax GetValue 0 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily read the parameters and to read or write the Device User ID You can use the Basler pylon IP Configuration tool to read or write the Device User ID For more information about the pylon Viewer see Section 3 1 on page 19 For more information about the pylon IP Configuration Tool see Section 3 2 on page 19 156 Basler ace 9 16 Configuration Sets A configuration set is a group of values that contains all of the parameter settings needed to contro
78. EventSource FrameStart select reset by signal on input line 1 Camera CounterResetSource SetValue CounterResetSource Linel Basler ace 167 Chunk Features select reset by software Camera CounterResetSource SetValue CounterResetSource Software execute reset by software Camera CounterReset Execute disable reset Camera CounterResetSource SetValue CounterResetSource Off For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters 168 Basler ace Chunk Features 10 4 Time Stamp The Time Stamp feature adds a chunk to each acquired image containing a time stamp that was generated when image acquisition was triggered The time stamp is a 64 bit value The time stamp is based on a counter that counts the number of time stamp clock ticks generated by the camera The unit for each tick is 8 ns as specified by the Gev Timestamp Tick Frequency The counter starts at camera reset or at power off on Note The chunk mode must be active before you can enable the time stamp feature or any of the other chunk feature Making the chunk mode inactive disables all chunk features To enable the time stamp chunk Use the Chunk Selector to select the Time Stamp chunk Use the Chunk Enable parameter to set the value of the chunk to true Once the time
79. Exposure mode parameter must be set to Timed Software Trigger Received Image Acquisition Exposure duration determined by the exposure time parameters Fig 18 Image Acquisition with a Software Trigger 6 2 2 2 Acquisition Status When controlling image acquisition with a software trigger you can use the acquisition status feature to determine when the camera is ready to be triggered for an image acquisition By using this feature you can avoid triggering the camera at a rate that exceeds the maximum allowed with the current camera settings To determine the acquisition status of the camera Use the Acquisition Status Selector to select the Frame Trigger Wait status Read the value of the Acquisition Status parameter If the value is set to false the camera is not ready to receive a software trigger if the value is set to true the camera is ready to receive a software trigger 46 Basler ace 6 2 2 3 Image Acquisition Control Setting the Software Trigger and Related Parameters You can set the all of parameters needed to perform software triggering from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter values and execute the commands related to software triggering with the camera set for single frame Set t Camera A Selec Camera T Set t Camera 1 Set t m Camera Set f Camera E Set t acqui
80. Get the Stream Parameters object Camera_t StreamGrabber t StreamGrabber Camera GetStreamGrabber 0 Write the ReceiveWindowSize parameter StreamGrabber ReceiveWindowSize SetValue 16 Disable packet resends StreamGrabber EnableResend SetValue false Write th StreamGrabb PacketTimeout parameter r PacketTimeout SetValue 40 Write th StreamGrabb ResendRequestThreshold parameter r ResendRequestThreshold SetValue 5 Write th ResendRequestBatching parameter StreamGrabb Write th 10 r ResendRequestBatching SetValue StreamGrabb ResendTimeout parameter r ResendTimeout SetValue 2 Write th ResendRequestResponseTimeout parameter StreamGrabber ResendRequestResponseTimeout SetValue 2 Write the MaximumNumberResendRequests parameter StreamGrabber MaximumNumberResendRequests SetValue 25 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Note that the performance driver parameters will only appear in the viewer if the performance driver is installed on the adapter to which your camera is connected For more information about the pylon Viewer see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 Basler ace 191 Ba
81. Line To set the state of a user settable output line Use the User Output Selector to select output line 1 Set the value of the User Output Value parameter to true high or false low This will set the state of the output line You can set the Output Selector and the User Output Value parameters from within your application software by using the pylon API The following code snippet illustrates using the API to designate the output line as user settable and to set the state of the output line Set output line 1 to user settable Camera LineSelector SetValue LineSelector Outl Camera LineSource SetValue LineSource UserOutput Set the state of output line 1 Camera UserOutputSelector SetValue UserOutputSelector UserOutputl Camera UserOutputValue SetValue true bool currentUserOutputlState Camera UserOutputValue GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Note If you have the invert function enabled on the output line and the line is designated as user settable the user setting sets the state of the line before the inverter Basler ace 97 1 0 Control 8 2 3 Setting the Output Line for Invert You can set the output line to invert or not to invert the outgoing signal To set the invert function on the output lin
82. RERERER El i8 El 8 E 8 1 8 El I8 El I8 E I8 F3 i8 EBERERERERERERERER Pixels Fig 32 Bayer Filter Pattern Basler ace 79 Pixel Data Formats 7 3 1 1 Color Filter Alignment The alignment of the Bayer filter to the pixels in the images acquired by all currently available color models of the camera is Bayer BG Bayer BG alignment means that pixel one and pixel two of the first line in each image transmitted will be blue and green respectively And for the second line transmitted pixel one and pixel two will be green and red respectively Since the pattern of the Bayer filter is fixed you can use this information to determine the color of all of the other pixels in the image The Pixel Color Filter parameter indicates the current alignment of the camera s Bayer filter to the pixels in the images captured by a color camera You can tell how the current AOI is aligned to the Bayer filter by reading the value of the Pixel Color Filter parameter Because the size and position of the area of interest on color cameras must be adjusted in increments of 2 the color filter alignment will remain as Bayer BG regardless of the camera s area of interest AOI settings For more information about the camera s AOI feature see Section 9 6 on page 119 80 Basler ace Pixel Data Formats 7 3 2 Bayer BG 8 Format When a color camera is set for the Bayer BG 8 pixel data format it outputs 8 bits of data per pixel and the pixel data
83. Resend Mechanisms Combined Figure 52 illustrates the combined action of the threshold and the timeout resend mechanisms where the following assumptions are made All parameters set to default The frame includes 3000 packets Packet 1002 is missing within the stream of packets and has not been recovered Packets 2999 and 3000 are missing at the end of the stream of packets end of the frame The default values for the performance driver parameters will cause the threshold resend mechanism to become operative before the timeout resend mechanism This ensures maximum efficiency and that resend requests will be sent for all missing packets With the default parameter values the resend request threshold is located very close to the front end of the receive window Accordingly there will be only a minimum delay between detecting a missing packet and sending a resend request for it In this case a delay according to the Resend Timeout parameter will not occur see Figure 52 In addition resend request batching will not occur DIAGRAM IS NOT DRAWN TO SCALE 1 2 3 5 7 9 10 11 Ko ql 995 996 997 998 Y 1000 us 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 ds 2997 2998 4 6 8 12 ig 52 Combination of Threshold Resend Mechanism and Timeout Resend Mechanism 1 S
84. SD Problems The cameras are frequently installed in industrial environments These environments often include devices that generate electromagnetic interference EMI and they are prone to electrostatic discharge ESD Excessive EMI and ESD can cause problems with your camera such as false triggering or can cause the camera to suddenly stop capturing images EMI and ESD can also have a negative impact on the quality of the image data transmitted by the camera To avoid problems with EMI and ESD you should follow these general guidelines Always use high quality shielded cables The use of high quality cables is one of the best defenses against EMI and ESD Try to use camera cables that are the correct length and try to run the camera cables and power cables parallel to each other Avoid coiling camera cables If the cables are too long use a meandering path rather then coiling the cables Avoid placing camera cables parallel to wires carrying high current switching voltages such as wires supplying stepper motors or electrical devices that employ switching technology Placing camera cables near to these types of devices may cause problems with the camera Attempt to connect all grounds to a single point e g use a single power outlet for the entire system and connect all grounds to the single outlet This will help to avoid large ground loops Large ground loops can be a primary cause of EMI problems Use a line filter on the main power su
85. STrig signal falls Figure 19 illustrates timed exposure with the camera set for rising edge triggering ExFSTrig Signal Period ExFSTrig Signal jJ b Je Exposure duration determined by the Exposure Time Absparameter Fig 19 Timed Exposure with Rising Edge Triggering Note that if you attempt to trigger a new exposure start while the previous exposure is still in progress the trigger signal will be ignored and a Frame Start Overtrigger event will be generated This situation is illustrated below for rising edge triggering This rise in the trigger signal will be ignored and a Frame Start Overtrigger event will be generated ExFSTrig Signal Exposure duration determined by the Exposure Time Abs parameter Fig 20 Overtriggering with Timed Exposure For more information about the Frame Start Overtrigger Event seeSection 9 13 on page 149 For more information about the camera s Exposure Time Abs parameter see Section 6 2 4 on page 54 50 Basler ace Image Acquisition Control Trigger Width Exposure Mode When trigger width exposure mode is selected the length of the exposure will be directly controlled by the ExFSTrig signal If the camera is set for rising edge triggering the exposure time begins when the ExFSTrig signal rises and continues until the ExFSTrig signal falls If the camera is set for falling edge triggering the exposure time begins when the ExFSTrig signal falls and c
86. UV 4 2 2 YUYV Packed format on color cameras see Section 7 3 6 on page 90 78 Basler ace Pixel Data Formats 7 3 Pixel Data Output Formats for Color Cameras 7 3 1 The Bayer Color Filter The sensor used in color models of the camera is equipped with an additive color separation filter known as a Bayer filter The pixel data output formats available on color cameras are related to the Bayer pattern so you need a basic knowledge of the Bayer filter to understand the pixel formats With the Bayer filter each individual pixel is covered by a micro lens that allows light of only one color to strike the pixel The pattern of the Bayer filter used on the camera is as shown in Figure 32 the alignment of the Bayer filter with repect to the sensor is shown as an example only the figure shows the BG filter alignment As the figure illustrates within each square of four pixels one pixel sees only red light one sees only blue light and two pixels see only green light This combination mimics the human eye s sensitivity to color El a 8 e E E E Y El 8 O E O Bl d ERERERERERERERER a a 8 E E O E Y El 9 El O El El ERA ERA ERE ERE ERA ERA ERE ER El a 8 e E E E Y E El O O O Bl ERERERERERERERER El a 8 e E E E Y E El O E O Bl EBERERERERERERERER El a 8 a E E E Y E 8 O E O Bl ERERERERERERERER El i8 El 8 E 8 1 8 El I8 El i8 El I8 F3 i8 ERERERERERERERER El a 8 e E E E Y E El O E O Bl ERERERERE
87. When debugging you should increase the heartbeat timeout to a high value to avoid heartbeat timeouts at break points When debugging is complete you should return the timeout to its normal setting You can set the driver related transport layer parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to read and write the parameter values Read Write Timeout Camera t TlParams t TlParams Camera GetTLNodeMap TlParams ReadTimeout SetValue 500 500 milliseconds TlParams WriteTimeout SetValue 500 500 milliseconds Heartbeat Timeout Camera t TlParams t TlParams Camera GetTLNodeMap TlParams HeartbeatTimeout SetValue 5000 5 seconds For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Basler ace 193 Basler Network Drivers and Parameters 194 Basler ace Network Related Camera Parameters and Managing Bandwidth Appendix B Network Related Camera Parameters and Managing Bandwidth This section describes the camera parameters that are related to the camera s performance on the network It also describes how to use the parameters to manage the available network bandwidth when you are using multiple cameras B 1 Network Related Parameters in the Camera The camera includes se
88. You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 170 Basler ace Chunk Features 10 5 Trigger Input Counter The Trigger Input Counter feature numbers external image acquisition triggers sequentially as they are received When the feature is enabled a chunk is added to each image containing the related value of the trigger input counter The trigger input counter is a 32 bit value On the first counting cycle the counter starts at 1 and increments by 1 for each received trigger The counter counts up to 4294967295 unless it is reset before see below After having reached the maximum value the counter will continue counting starting at 0 Be aware that if the camera is operating in continuous frame mode free run the trigger input counter will not be available Note The chunk mode must be active before you can enable the trigger input counter feature or any of the other chunk feature Making the chunk mode inactive disables all chunk features To enable the trigger input counter chunk Use the Chunk Selector to select the Trigger Input Counter chunk Use the Chunk Enable parameter to set the value of the chunk to true Once the trigger input counter chunk is enabled the camera will add a trigger input counter chunk to each acquired image To retrieve data from a chunk appended to an image that has been received by your P
89. a Device User ID read write is used to assign a user defined name to a device This name will be displayed in the Basler pylon Viewer and the Basler pylon IP Configuration Tool The name will also be visible in the friendly name field of the device information objects returned by pylon s device enumeration procedure Device Scan Type read only contains the scan type of the camera for example area scan Sensor Width read only contains the physical width of the sensor in pixels Sensor Height read only contains the physical height of the sensor Max Width read only Indicates the camera s maximum area of interest AOI width setting Max Height read only Indicates the camera s maximum area of interest AOI height setting You can read the values for all of the device information parameters or set the value of the Device User ID parameter from within your application software by using the pylon API The following code snippets illustrate using the API to read the parameters or write the Device User ID Read the Vendor Name parameter Pylon String t vendorName Camera DeviceVendorName GetValue Read the Model Name parameter Pylon String t modelName Camera DeviceModelName GetValue Read the Manufacturer Info parameter Pylon String t manufacturerInfo Camera DeviceManufacturerInfo GetValue Read the Device Version parameter Pylon String t deviceVersion Camera
90. a valid frame start trigger The camera will then execute an internal Acquisition Stop command and will not react to a frame start trigger until a new Acquisition start command is executed If the camera s Acquisition Mode parameter has been set to Continuous and an Acquisition Start command has been executed the camera will begin image acquisition each time it receives a valid frame start trigger The camera will continue to react to frame start triggers until an Acquisition Stop command has been executed For more information about the Acquisition Mode and parameter and about Acquisition Start and Acquisition Stop commands see Section 6 1 on page 41 6 2 1 Trigger Mode The main parameter associated with the frame start trigger is the Trigger Mode parameter The Trigger Mode parameter has two available settings Off and On 6 2 1 1 Frame Start Trigger Mode Off When the Frame Start Trigger Mode parameter is set to Off selection of a source signal for the frame start trigger is not required With the mode set to Off the camera operates the frame start trigger automatically With the trigger mode set to Off the way that the camera will operate the frame start trigger depends on the setting of the camera s Acquisition Mode parameter If the Acquisition Mode parameter is set to Single Frame the camera will automatically generate a single frame start trigger whenever it receives an Acquisition Start command Ifthe Acquisition Mode pa
91. a PLC device If the camera is connected to a PLC device we recommend using a PLC power and I O cable rather than the standard power and I O cable If power for the I O input is supplied at 24 VDC you can use a PLC power and I O cable when the camera is not connected to a PLC device See the following section for more information on PLC power and I O cables A single standard power and I O cable is used to supply power to the camera and to connect to the camera s I O lines as shown in Figure 11 If you are supplying power to the camera via Power over Ethernet the cable will not be used to supply power to the camera but still can be used to connect to the I O lines If you supply power to the camera via Power over Ethernet PoE and you also supply power to the camera s 6 pin connector via a standard power and I O cable the camera will use the power supplied to the 6 pin connector Power supplied to the camera s 6 pin connector always has priority and the power supplied to the 6 pin connector must meet the specifications outlined in the Camera Power section of this manual The end of the standard power and I O cable that connects to the camera must be terminated with a Hirose micro plug part number HR10A 7P 6S or the equivalent The cable must be wired to conform with the pin assignments shown in the pin assignment table The maximum length of the standard power and I O cable is at least 10 meters The cable must be shielded and m
92. al The camera is equipped with one physical input line designated as input line 1 You can assign the camera s input line to receive a externally generated frame start trigger ExFSTrig signal The incoming ExFSTrig signal can then be used to control image acquisition Section 6 2 3 on page 49 explains how to configure the camera to react to a hardware trigger signal and how to assign the input line to receive the hardware trigger signal Note By default physical input line 1 is assigned to receive the ExFSTrig signal Basler ace 95 1 0 Control 8 2 Configuring the Output Line 8 2 1 Assigning a Camera Output Signal to the Physical Output Line The camera is equipped with one physical output line designated as output line 1 You can use the camera s output signal assignment capability to assign one of the camera s standard output signals as the source signal for physical output line 1 The camera has three standard output signals available including Frame Trigger Wait Exposure Active Timer 1 You can also designate the output line as user settable If the output line is designated as user settable you can use the camera s API to set the state of the line as desired To assign an output signal to the output line or to designate the line as user settable Use the Line Selector to select output line 1 Set the value of the Line Source Parameter to one of the available output signals or to user settable This will set t
93. alculate the data bandwidth needed To use the formulas you will need to know the current value of the Payload Size parameter and the Packet Size parameter for each camera You will also need to know the frame rate in frames s at which each camera will operate se 71 Bytes Frame E oan Sze x Packet Overhead Payload Size Leader Size Trailer Size acket Size Data Bandwidth Needed Bytes Frame x Frames s Where Packet Overhead 72 for a GigE network 78 for a 100 MBit s network Leader Size Packet Overhead 36 if chunk mode is not active Packet Overhead 12 if chunk mode is active Trailer Size Packet Overhead 8 X 1 means round up x to the nearest integer X means round up x to the nearest multiple of 4 Step 5 Calculate data bandwidth assigned to each camera For each camera there is a parameter called Bandwidth Assigned This read only parameter indicates the total bandwidth that has been assigned to the camera The Bandwidth Assigned parameter includes both the bandwidth that can be used for image data transmission plus the bandwidth that is reserved for packet resents and camera control signals To determine the data bandwidth assigned you must subtract out the reserve 206 Basler ace Network Related Camera Parameters and Managing Bandwidth You can use the formula below to determine the actual amount of assigned bandwidth that is available for data transmission To
94. ameRetention SetValue 200 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference AW000131xx000 You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 184 Basler ace Basler Network Drivers and Parameters A 2 The Basler Performance Driver The Basler performance driver is a hardware specific GigE Vision network driver compatible with network adapters that use specific Intel chipsets The main advantage of the performance driver is that it significantly lowers the CPU load needed to service the network traffic between the PC and the camera s It also has a more robust packet resend mechanism For more information about compatible Intel chipsets see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 The performance driver uses two distinct resend mechanisms to trigger resend requests for missing packets The threshold resend mechanism The timeout resend mechanism The mechanisms are independent from each other and can be used separately However for maximum efficiency and for ensuring that resend requests will be sent for all missing packets we recommend using both resend mechanisms in a specific optimized combination as provided by the parameter defa
95. and the bits will indicate the state of the lines If a bit is O it indicates that 104 Basler ace 1 O Control the state of the associated line is currently low If a bit is 1 it indicates that the state of the associated line is current high Indicates output line 1 state Indicates input line 1 state 34 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 14 10 918 7 6 5 4 3 2 o Fig 34 Line Status All Parameter Bits Basler ace 105 1 0 Control 106 Basler ace Standard Features 9 Standard Features This section provides detailed information about the standard features available on each camera It also includes an explanation of their operation and the parameters associated with each feature 9 1 Gain The camera s gain setting is adjustable As shown in Figure 35 increasing the gain increases the slope of the response curve for the camera This results in a higher gray value output from the camera for a given amount of output from the imaging sensor Decreasing the gain decreases the slope of the response curve and results in a lower gray value for a given amount of sensor output Increasing the gain is useful when at your brightest exposure a gray value lower than 255 in modes that output 8 bits per pixel or 4095 in modes that output 12 bits per pixels is reached For example if you found that at your brightest exposure the gray values output by the camera were no higher than 127
96. atile memory is a three step process Make changes to the camera s settings until the camera is operating in a manner that you would like to save Set the User Set Selector to User Set 1 Execute a User Set Save command to save the active set to the selected user set Saving an active set to the user set in the camera s non volatile memory will overwrite any parameters that were previously saved in the user set You can set the User Set Selector and execute the User Set Save command from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and execute the command Camera UserSetSelector SetValue UserSetSelector UserSetl Camera UserSetSave Execute For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 159 Standard Features 9 16 3 Loading a Saved Set or the Default Set into the Active Set If you have saved a configuration set into the camera s non volatile memory you can load the saved set from the camera s non volatile memory into the camera s active set When you do this the loaded set overwrites the parameters in the active set Since the settings in the active set control the current operation o
97. ay will be applied The value of the Trigger Delay Abs parameter will determine the trigger delay The trigger delay will not operate if the frame start trigger mode is set to off or if you are using a software trigger Basler ace 51 Image Acquisition Control 6 2 3 4 Setting the Hardware Trigger Related Parameters You can set the all of parameters needed to perform hardware triggering from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter values and execute the commands related to software triggering with the camera set for single frame acquisition mode In this example we will use the timed exposure mode with rising edge triggering and we will use a trigger delay Set the acquisition mode to single frame Camera AcquisitionMode SetValue AcquisitionMode SingleFrame Select a trigger to work with m Camera riggerSelector SetValue TriggerSelector FrameStart Set the mode for the selected trigger m Camera riggerMode SetValue TriggerMode On Set the source for the selected trigger m Camera TriggerSource SetValue TriggerSource Linel Set the trigger activation mode to rising edge m Camera TriggerActivation SetValue TriggerActivation RisingEdge Set the trigger delay for one millisecond double TriggerDelay us 1000 0 1000us 1ms 0 001s P Camera TriggerDelayAbs
98. by setting the value of the Gamma Enable parameter When gamma correction is enabled the correction factor is determined by the value of the Gamma parameter The Gamma parameter can be set in a range from 0 to 3 99902 So if the Gamma parameter is set to 1 2 for example the gamma correction factor will be 1 2 You can set the Gamma Enable and Gamma parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter values Enable the Gamma feature Camera GammaEnable SetValue true Set the Gamma value to 1 2 Camera Gamma SetValue 1 2 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 132 Basler ace Standard Features 9 11 Auto Functions 9 11 1 Common Characteristics Auto functions control image properties and are the automatic counterparts of certain features such as the gain feature or the white balance feature which normally require manually setting the related parameter values Auto functions are particularly useful when an image property must be adjusted quickly to achieve a specific target value and when a specific target value must be kept constant in a series of images An Auto Functio
99. cable that both connects power to the camera and connects to the camera s I O lines The PLC power and I O cable adjusts the voltage levels of PLC devices to the voltage levels required by the camera and it protects the camera against negative voltage and reverse polarity If you supply power to the camera via Power over Ethernet PoE and you also supply power to the camera s 6 pin connector via a PLC power and l O cable the camera will use the power supplied to the 6 pin connector Power supplied to the camera s 6 pin connector always has priority and the power supplied to the 6 pin connector must meet the specifications outlined in the Camera Power section of this manual Close proximity to strong magnetic fields should be avoided Basler offers a PLC power and I O cable that is terminated with a 6 pin Hirose plug HR10A 7P 6S on the end that connects to the camera The other end is unterminated Contact your Basler sales representative to order the cable For information about the applicable voltage levels see Section 5 7 1 1 on page 32 Basler ace 29 Physical Interface 5 5 Camera Power Power can be supplied to the camera in either of two different ways via Power over Ethernet PoE i e via the Ethernet cable plugged into the camera s RJ 45 connector from a power supply via a power and I O cable either a standard cable or a PLC cable plugged into the camera s 6 pin connector Note that if you supply power to t
100. cifications Requirements and Precautions 1 3 Spectral Response 1 3 1 Mono Camera Spectral Response The following graphs show the spectral response for each available monochrome camera model D 1 0 0 9 Note The spectral response curves excludes lens characteristics and light source characteristics 0 8 0 7 0 6 7 0 5 0 4 0 3 Relative Response 0 2 0 1 0 0 400 500 600 700 Wave Length nm Fig 1 acA640 100gm Spectral Response 800 900 1000 Basler ace Specifications Requirements and Precautions 1 0 0 9 0 8 0 7 0 6 0 5 0 4 Relative Response 0 3 0 2 0 1 0 0 400 500 600 700 800 900 1000 Wave Length nm Fig 2 acA1300 30 gm Spectral Response Basler ace 5 Specifications Requirements and Precautions 1 3 2 Color Camera Spectral Response The following graphs show the spectral response for each available color camera model Note The spectral response curves exclude lens characteristics light source characteristics and IR cut filter characteristics To obtain best performance from color models of the camera use of a dielectric IR cut filter is recommended The filter should transmit in a range from 400 nm to 700 720 nm and it should cut off from 700 720 nm to 1100 nm A suitable IR cut filter is built into the standard C mount
101. dow White indicates that the status has not yet been checked Receive window of the performance driver 2 3 As packet 1003 enters the receive window packet 1002 is detected as missing 4 Interval defined by the Resend Timeout parameter 5 The Resend Timeout interval expires and the first resend request for packet 1002 is sent to the camera The camera does not respond with a resend 6 Interval defined by the Resend Response Timeout parameter 7 The Resend Response Timeout interval expires and a second resend request for packet 1002 is sent to the camera The camera does not respond with a resend 8 Interval defined by the Resend Response Timeout parameter 9 The Resend Response Timeout interval expires and a third resend request for packet 1002 is sent to the camera The camera still does not respond with a resend 10 Interval defined by the Resend Response Timeout parameter 11 Because the maximum number of resend requests has been sent and the last Resend Response Timeout interval has expired packet 1002 is now considered as lost 12 End of the frame 13 Missing packets at the end of the frame 2999 and 3000 14 Interval defined by the Packet Timeout parameter 188 Basler ace Basler Network Drivers and Parameters Maximum Number Resend Requests The Maximum Number Resend Requests parameter sets the maximum number of resend requests the performance driver will send to the camera for each missing
102. e Use the Line Selector to select output line 1 Set the value of the Line Inverter parameter to true to enable inversion on the selected line or to false to disable inversion You can set the Line Selector and the Line Inverter parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Enable the inverter on output line 1 Camera LineSelector SetValue LineSelector Outl Camera LineInverter SetValue true For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 98 Basler ace 1 O Control 8 2 4 Working with the Timer Signal The camera has a timer output signal available called timer 1 The timer works as follows A trigger source event occurs that starts the timer A delay period begins to expire When the delay expires the timer signal goes high and a duration period begins to expire When the duration period expires the timer signal goes low Duration lt __________ gt Delay Trigger source event occurs Fig 33 Timer Signal Currently the only trigger source event available to start the timer is exposure active In ot
103. e 202 Formula 1 Calculates the maximum frame rate based on the sensor readout time 1 Max F A ax Framesis Rol Height C C Where AOI Height the height of the acquired frames as determined by the AOI Height settings The constants C4 and Cy depend on the camera model as shown in the table below Camera Model C4 C2 acA640 100gm gc 16 99 us 1376 35 us acA1300 30gm gc 29 84 us 2958 36 us Formula 2 Calculates the maximum frame rate based on the exposure time for the acquired frames 1 Max Frames s Exposure time in us C4 Where the constant C4 depends on the camera model as shown in the table below Camera Model C5 acA640 100gm gc 24 00 us acA1300 30gm gc 23 38 us For more information about setting the exposure time see Section 6 5 on page 65 Formula 3 Calculates the maximum frame rate based on the frame transmission time Device Current Throughput Parameter Value Max Frames s ee e Ee PEE E Payload Size Parameter Value 68 Basler ace Image Acquisition Control Example Assume that you are using an acA640 100gm camera set for an exposure time of 2000 us and for 600 x 400 resolution Also assume that you have checked the value of the Device Current Throughput parameter and the Payload Size parameters and found them to be 110000000 Bytes s and 240000 Bytes respectively Formula 1
104. e CRC chunk is always the last chunk appended to the image data CRC checksum is calculated on this data Image Data ChunkX ChunkY Chunk including any required padding o Data Data CRC Fig 49 CRC Checksum Note The chunk mode must be active before you can enable the CRC feature or any of the other chunk feature Making the chunk mode inactive disables all chunk features To enable the CRC checksum chunk Use the Chunk Selector to select the CRC chunk Use the Chunk Enable parameter to set the value of the chunk to true Once the CRC chunk is enabled the camera will add a CRC chunk to each acquired image To retrieve CRC information from a chunk appended to an image that has been received by your PC you must first run the image and its appended chunks through the chunk parser included in the pylon API Once the chunk parser has been used you can retrieve the CRC information Note that the CRC information provided by the chunk parser is not the CRC checksum itself Rather it is a true false result When the image and appended chunks pass through the parser the parser calculates a CRC checksum based on the received image and chunk information It then compares the calculated CRC checksum with the CRC checksum contained in the CRC checksum chunk If the two match the result will indicate that the image data is OK If the two do not match the result will indicate that the image is corrupted You can set the Chunk Se
105. e Functional Description section of this manual the camera uses a 12 bit ADC to digitize the output from the imaging sensor When the camera is set for a pixel format that outputs pixel data at 12 bit a Rb uu I pitt d m E effective depth by default the camera transmits the 12 bits that are output from the ADC ADC M L S S pa No Shift 2 lt gt Shift by 1 When the camera is set to shift by 1 the output from the camera will include bit 10 through bit 0 from the ADC ADC along with a zero as an LSB D bit bit bit bit bit bit bit bit bit bit The result of shifting once is that the output of the 9 8 7 6 5 4 3 2 1 0 camera is effectively multiplied by 2 For example assume that the camera is set for no shift that it is M viewing a uniform white target and that under these ls 5 conditions the reading for the brightest pixel is 100 l4 Shifted Once gt If you changed the digital shift setting to shift by 1 the reading would increase to 200 When the camera is set to shift by 1 the least significant bit output from the camera for each pixel value will be 0 This means that no odd gray values can be output and that the gray value scale will only include values of 2 4 6 8 10 and so on This absence of some gray values is commonly referred to as missing codes If the pixel values being output by the camera s sensor are high enough to set bit 11 to 1 we recommend not using shift by 1 If you do non
106. e Standard Factory Setup the High Gain Factory Setup or the Auto Functions Factory Setup or the user configuration sets stored in the camera s non volatile memory to be the startup set The configuration set that you designate as the startup set will be loaded into the active set whenever the camera starts up at power on or after a reset The User Set Default Selector is used to select the startup set Set the User Set Default Selector to User Set 1 or Default You can set the User Set Default Selector from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector Camera UserSetDefaultSelector SetValue UserSetDefaultSelector Default Basler ace 161 Standard Features 162 Basler ace Chunk Features 10 Chunk Features This section provides detailed information about the chunk features available on each camera 10 1 What are Chunk Features In most cases enabling a camera feature will simply change the behavior of the camera The Test Image feature is a good example of this type of camera feature When the Test Image feature is enabled the camera outputs a test image rather than a captured image This type of feature is referred to as a standard feature When certain camera features are enabled the camera actually develops some sort of information about each image that it acquires In these cases the information is added to each image as a traili
107. e adapter The location of this filter limits the length of the threads on any lens you use with the camera If a lens with a very long thread length is used the IR cut filter will be damaged or destroyed and the camera will no longer operate For more information about the location of the IR cut filter see Section 1 4 2 on page 9 118 Basler ace Standard Features 9 6 Area of Interest AOI The area of interest AOI feature lets you specify a portion of the sensor array and after each image is acquired only the pixel information from the specified portion of the array is transmitted to the host PC The area of interest is referenced to the top left corner of the sensor array The top left corner is designated as column 0 and row 0 as shown in Figure 36 The location and size of the area of interest is defined by declaring an X offset coordinate a width a Y offset coordinate and a height For example suppose that you specify the x offset as 10 the width as 16 the y offset as 6 and the height as 10 The area of the array that is bounded by these settings is shown in Figure 36 The camera will only transfer pixel data from within the area defined by your settings Information from the pixels outside of the area of interest is discarded
108. e of the Line Status parameter to determine the current state of the line A value of true means the line s state is currently high and a value of false means the line s state is currently low You can set the Line Selector and read the Line Status parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and read the parameter value Select output line 1 and read the state Camera LineSelector SetValue LineSelector Outl bool outputLinelState Camera LineStatus GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 8 3 2 Checking the State of All Lines You can determine the current state of the input line and the output line with a single operation To check the state of both lines Read the value of the Line Status All parameter You can read the Line Status All parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to read the parameter value int64 t lineState Camera LineStatusAll GetValue The Line Status All parameter is a 32 bit value As shown in Figure 34 certain bits in the value are associated with each line
109. e period and 1 resend is needed The 1 resend needed is taken from the resends available via the bandwidth reserve The other 4 resends available via the bandwidth reserve are not needed so they are added to the accumulator pool and they bring the pool up to 4 7 During this time period you do not trigger image acquisition You delay triggering acquisition for the period of time that would normally be needed to acquire and transmit a single image The current camera settings would allow 5 resends to occur during this period of time But since no data is transmitted no resends are required The 5 resends that could have occurred are added to the accumulator pool and they bring the pool up to 9 8 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period but no resends are needed The 5 resends available via the bandwidth reserve are not needed so they are added to the accumulator pool and they bring the pool up to 14 9 You trigger image acquisition and during this time period the camera acquires and transmits a frame The bandwidth reserve setting would allow 5 resends during this time period and 1 resend is needed The 1 resend needed is taken from the resends available via the bandwidth reserve The other 4 resends available via the bandwidth reserve are not needed so they are added to the accumulator pool Note that wit
110. e shift by 1 2 3 or 4 settings 116 Basler ace Standard Features 9 4 4 Enabling and Setting Digital Shift You can enable or disable the digital shift feature by setting the value of the Digital Shift parameter When the parameter is set to zero digital shift will be disabled When the parameter is set to 1 2 3 or 4 digital shift will be set to shift by 1 shift by 2 shift by 3 or shift by 4 respectively You can set the Digital Shift parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter values Disable digital shift Camera DigitalShift SetValue 0 Enable digital shift by 2 Camera DigitalShift SetValue 2 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 117 Standard Features 9 5 Integrated IR Cut Filter on Color Models Color models of the camera are equipped with an IR cut filter as standard equipment The filter is mounted inside of the lens adapter Monochrome cameras do not include an IR cut filter in the lens adapter NOTICE On color cameras the lens thread length is limited Color models of the camera are equipped with an IR cut filter mounted inside of th
111. e that the temperature does not exceed 50 C Keep in mind that the camera will gradually become warmer during the first hour of operation After one hour the housing temperature should stabilize and no longer increase If your camera is mounted on a substantial metal component in your system this may provide sufficient heat dissipation The use of a fan to provide air flow over the camera is an extremely efficient method of heat dissipation The use of a fan provides the best heat dissipation 12 Basler ace Specifications Requirements and Precautions 1 8 Precautions Avoid dust on the sensor The camera is shipped with a protective plastic seal on the lens mount To avoid collecting dust on the camera s IR cut filter color cameras or sensor mono cameras make sure that you always put the protective seal in place when there is no lens mounted on the camera NOTICE On color cameras the lens thread length is limited Color models of the camera are equipped with an IR cut filter mounted inside of the adapter The location of this filter limits the length of the threads on any lens you use with the camera If a lens with a very long thread length is used the IR cut filter will be damaged or destroyed and the camera will no longer operate For more specific information about the lens thread length see Section 1 4 2 on page 9 NOTICE Voltage outside of the specified range can cause damage 1 If you are
112. e the Reverse X section 136 Basler ace Standard Features 0123 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Auto Function AOI 3 COOL a an Em DOO ado dancadi Image AOI Inmar mre a 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0123456 8 9 10 11 12 13 14 Auto Function AOI Ye Image AOI J J 1 Ard me i b 0123 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Auto Function AOI OF Image AOI Imm o c 012 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
113. ed to the heights If you want to preserve the aspect ratios of imaged objects when using binning you must use vertical and horizontal binning where equal numbers of lines and columns are binned e g vertical binning by 3 combined with horizontal binning by 3 Binning s Effect on AOI Settings When you have the camera set to use binning keep in mind that the settings for your area of interest AOI will refer to the binned lines and columns in the sensor and not to the physical lines in the sensor as they normally would Another way to think of this is by using the concept of a virtual sen sor For example assume that you are using a acA640 100gm camera set for 3 by 3 binning as described above In this case you would act as if you were actually working with a 219 column by 164 line sensor when setting your AOI parameters The maximum AOI width would be 219 and the maximum AOI height would be 164 When you set the X Offset and the Width for the AOI you will be setting these values in terms of virtual sensor columns And when you set the Y Offset and the Height for the AOI you will be setting these values in terms of virtual sensor lines For more information about the area of interest AOI feature see Section 9 6 on page 119 124 Basler ace Standard Features Binning s Effect on the Sensor Readout and Frame Rate Formulas In several areas of the manual formulas appear for sensor readout time and for calculating the maximum frame
114. eight parameter values int64 t widthMax Camera Width GetMax int64 t widhInc Camera Width GetInc Camera Width SetValue 200 Camera OffsetX SetValue 100 int64 t heightMax Camera Height GetMax int64 t heightInc Camera Height GetInc Camera Height SetValue 200 Camera OffsetY SetValue 100 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 9 6 1 Changing AOI Parameters On the Fly Making AOI parameter changes on the fly means making the parameter changes while the camera is capturing images continuously On the fly changes are only allowed for the parameters that determine the position of the AOI i e the X Offset and Y Offset parameters Changes to the AOI size are not allowed on the fly Basler ace 121 Standard Features 9 7 Binning Note The binning feature is only available on the monochrome cameras Binning increases the camera s response to light by summing the charges from adjacent pixels into one pixel Two types of binning are available vertical binning and horizontal binning With vertical binning adjacent pixels from 2 lines 3 lines or a maximum of 4 lines in the imaging sensor array are summed and are reported out of the camera as a single p
115. elay Abs parameter to set the delay time the camera accomplishes the setting change by automatically changing the Timer Delay Raw parameter to achieve the value specified by the Timer Delay Abs setting This leads to a limitation that you must keep in mind if you use Timer Delay Abs parameter to set the delay time That is you must set the Timer Delay Abs parameter to a value that is equivalent to a setting you could achieve by using the Timer Delay Raw and the current Timer Delay Base parameters For example if the time base was currently set to 50 us you could use the Timer Delay Abs parameter to set the delay to 50 us 100 us 150 us etc Note that if you set the Timer Delay Abs parameter to a value that you could not achieve by using the Timer Delay Raw and current Timer Delay Time Base parameters the camera will automatically change the setting for the Timer Delay Abs parameter to the nearest achieveable value You should also be aware that if you change the delay time using the raw settings the Timer Delay Abs parameter will automatically be updated to reflect the new delay time Basler ace 101 1 0 Control 8 2 4 3 Setting the Timer Duration Time There are two ways to set the duration time for timer 1 by setting raw values or by setting an absolute value You can use whichever method you prefer to set the duration time Setting the Duration Time with Raw Values When the duration time for timer 1 is set using raw values the
116. eptacle 43 3 to 24 VDC Camera U Vol Out 1 Ctrl Usi O Out 1 eod Signal to You Fig 15 Typical Voltage Output Circuit 38 Basler ace Physical Interface Figure 16 shows a typical circuit you can use to monitor the output line with an LED or an opto coupler In this example the voltage for the external circuit is 24 VDC Current in the circuit is limited by an external resistor Your Gnd 24 6 Pin VDC Receptacle Z output Camera mupul Out 1 Ctrl 120 0 DIM lO Out 1 Your Gnd Fig 16 Typical LED Output Signal at 24 VDC for the External Circuit Example By default the camera s Exposure Active signal is assigned to Output Line 1 The assignment of a camera output signal to Output Line 1 can be changed by the user For more information about assigning camera output signals to Output Line 1 see Section 8 2 1 on page 96 For more information about output line pin assignments and pin numbering see Section 5 2 on page 24 For more information about the Exposure Active signal see Section 6 2 5 on page 55 Basler ace 39 Physical Interface 5 7 2 3 Output Line Response Time Response times for the output line on the camera are as shown below Not to Scale Level of Camera s Internal Output l Circuit Voltage Present on the Camera s Output Line Time Fig 17 Output Line Response Times Time Delay Rise TDR 40 us Rise Time RT 20 us to 70 us Time
117. era s performance in a network and about using multiple cameras Basler ace 17 Installation 18 Basler ace Tools for Changing Camera Parameters 3 Tools for Changing Camera Parameters This section explains the options available for changing the camera s parameters The available options let you change parameters either by using stand alone tools that access the camera via a GUI or by accessing the camera from within your software application 3 1 The pylon Viewer The Basler pylon Viewer is a standalone application that lets you view and change most of the camera s parameter settings via a GUI based interface The viewer also lets you acquire images display them and save them Using the pylon Viewer software is a very convenient way to get your camera up and running quickly when you are doing your initial camera evaluation or doing a camera design in for a new project The pylon Viewer is included in Basler s pylon Driver Package You can download the pylon package from the Basler website www baslerweb com beitraege beitrag en 71708 html For more information about using the viewer see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 You can download the guide from the Basler website www baslerweb com indizes download index en 19627 html 3 2 The IP Configuration Tool The Basler IP Configuration Tool is a standalone application that lets you change the IP configuration of the camera
118. es in a fashion that mimics the output from a color camera set for YUV 4 2 2 Packed The Y value transmitted for each pixel is an actual 8 bit brightness value similar to the pixel data transmitted when a monochrome camera is set for Mono 8 The U and V values transmitted will always be zero With this color coding a Y value is transmitted for each pixel but the U and V values are only transmitted for every second pixel The order of the pixel data for a received frame in the image buffer in your PC is similar to the order of YUV 4 2 2 Packed output from a color camera For more information about the YUV 4 2 2 Packed format on color cameras see Section 7 3 5 on page 87 7 2 5 YUV 4 2 2 YUYV Packed Format When a monochrome camera is set for the YUV 4 2 2 YUYV Packed pixel data format the camera transmits Y U and V values in a fashion that mimics the output from a color camera set for YUV 4 2 2 YUYV Packed The Y value transmitted for each pixel is an actual 8 bit brightness value similar to the pixel data transmitted when a monochrome camera is set for Mono 8 The U and V values transmitted will always be zero With this color coding a Y value is transmitted for each pixel but the U and V values are only transmitted for every second pixel The order of the pixel data for a received frame in the image buffer in your PC is similar to the order of YUV 4 2 2 YUYV Packed output from a color camera For more information about the Y
119. ess you should have installed either the filter driver or the performance driver For more information about compatible Intel chipsets see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 For more information about installing the network drivers see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 Basler ace 183 Basler Network Drivers and Parameters A 1 The Basler Filter Driver The Basler filter driver is a basic driver GigE Vision network driver It is designed to be compatible with most network adapter cards The functionality of the filter driver is relatively simple For each frame the driver checks the order of the incoming packets If the driver detects that a packet or a group of packets is missing it will wait for a specified period of time to see if the missing packet or group of packets arrives If the packet or group does not arrive within the specified period the driver will send a resend request for the missing packet or group of packets The parameters associated with the filter driver are described below Enable Resend Enables or disables the packet resend mechanism If packet resend is disabled and the filter driver detects that a packet has been lost during transmission the grab result for the returned buffer holding the image will indicate that the grab failed and the image will be incomplete If packet resend is enabled and
120. etheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 1 setting when your pixel readings with a 12 bit pixel format selected and with digital shift disabled are all less than 2048 112 Basler ace Standard Features Shift by 2 When the camera is set to shift by 2 the output from the camera will include bit 9 through bit 0 ADC from the ADC along with 2 zeros as LSBs bit bit bit bit bit bit bit bit bit bit bit bit 9 8 7 6 5 4 3 2 1 0 The result of shifting twice is that the output of 1110 the camera is effectively multiplied by 4 When the camera is set to shift by 2 the 2 least significant bits output from the camera for each 2 Shifted Twice E pixel value will be O This means that the gray value scale will only include every 4th value for example 4 8 16 20 and so on If the pixel values being output by the camera s sensor are high enough to set bit 10 or bit 11 to 1 we recommend not using shift by 2 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 2 setting when your pixel readings with a 12 bit pixel format selected and with digital shift disabled are all less than 1024 Shift By 3 When the camera is set to shift by 3 the output from the camera will include bit 8 ADC through bit 0 from the ADC along with 3 IPRC che at ue be ot zeros as LSBs aS tt eg The resul
121. every other image The repeated automatic adjustment will proceed until the once mode of operation is used or until the auto function is set to off in which case the parameter value resulting from the latest automatic adjustment will operate unless it is manually adjusted When an auto function is set to off the parameter value resulting from the latest automatic adjustment will operate unless it is manually adjusted You can enable auto functions and change their settings while the camera is capturing images on the fly while the camera was continuously capturing images the auto function will become effective with a short delay and the first few images may not be affected by the auto function After you have set an auto function to once or continuous operation mode allow reaching a target value for an image property the auto function will try to O Ifan auto function is setto once operation mode and if the circumstances will not reach the target value for a maximum of 30 images and will then be set to off 134 Basler ace Standard Features 9 11 1 2 Auto Function AOI An Auto Function AOI must be set separately from the AOI used to define the size of captured images Image AOI You can specify a portion of the sensor array and only the pixel data from the specified portion will be used for auto function control An Auto Function AOI is referenced to the top left corner of the senso
122. f the camera the settings from the loaded set will now be controlling the camera You can also load the default set into the camera s active set To load a saved configuration set or the default set from the camera s non volatile memory into the active set Set the User Set Selector to User Set 1 or Default Execute a User Set Load command to load the selected set into the active set You can set the User Set Selector and execute the User Set Load command from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and execute the command Camera UserSetSelector SetValue UserSetSelector UserSetl Camera UserSetLoad Execute Note Loading a user set or the default set into the active set is only allowed when the camera is idle i e when it is not acquiring images continuously or does not have a single image acquisition pending Loading the Default Set with the Standard Factory Setup selected into the active set is a good course of action if you have grossly misadjusted the settings in the camera and you are not sure how to recover The standard factory setup is optimized for use in typical situations and will provide good camera performance in most cases 160 Basler ace Standard Features 9 16 4 Selecting the Startup Set You can select the default configuration set i e whichever was selected as the default configuration set either th
123. ffectively multiplied by 8 If the pixel values being output by the camera s sensor are high enough to set bit 9 bit 10 or bit 11 to 1 we recommend not using shift by 3 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore that you should only use the shift by 3 setting when your pixel readings with an 8 bit pixel format selected and with digital shift disabled are all less than 32 LI S Shifted Three Times ed Shift by 4 When the camera is set to shift by 4 the output from the camera will include bit 7 through bit 0 from the ADC ADC bit bit bit bit bit bit bit bit bit bit bit bit The result of shifting four times is that the output of 41 10 9 8 7 6 5 4 3 2 1 0 the camera is effectively multiplied by 16 If the pixel values being output by the camera s sensor are high enough to set bit 8 bit 9 bit 10 or bit 11 to 1 we recommend not using shift by 4 If you do nonetheless all bits output from the camera will war Shifted Four Times Basler ace 115 Standard Features automatically be set to 1 Therefore you should only use the multiply by 4 setting when your pixel readings with an 8 bit pixel format selected and with digital shift disabled are all less than 16 9 4 3 Precautions When Using Digital Shift There are several checks and precautions that you must follow before using the digital shift feature The checks and precautions differ depending on
124. fferent You may e g have to use a parameter to set a low number for the interrupt moderation and then use a different parameter to enable the interrupt moderation If possible set the number of receive descriptors to a maximum value and set the number of CPU interrupts to a low value If possible also set the parameter for speed and duplex to auto Contact Basler technical support if you need further assistance Step 2 Set the Packet Size parameter on each camera as large as possible 204 Basler ace Network Related Camera Parameters and Managing Bandwidth Using the largest possible packet size has two advantages it increases the efficiency of network transmissions between the camera and the PC and it reduces the time required by the PC to process incoming packets The largest packet size setting that you can use with your camera is determined by the largest packet size that can be handled by your network The size of the packets that can be handled by the network depends on the capabilities and settings of the network adapter you are using and on capabilities of the network switch you are using Unless you have already set the packet size for your network adapter during the installation of the Basler pylon software check the documentation for your adapter to determine the maximum packet size sometimes called frame size that the adapter can handle Many adapters can handle what is known as jumbo packets or jumbo frame
125. g signal on the state of the of the Frame Trigger Wait signal you can avoid overtriggering the camera Figure 28 illustrates the Frame Trigger Wait signal with the camera set for the trigger width exposure mode and with exposure and readout overlapped Signal goes high Signal goes low Signal goes high Signal goes low at earliest safe when exposure at earliest safe when exposure moment to trigger for acquisition moment to trigger for acquisition acquisition N 1 N 1 begins acquisition N 2 N 2 begins Frame Trigger Wait Signal ExFSTrig Signal Image Acquisition N Exposure Readout Image Acquisition N 1 Exposure Readout Image Acquisition N Z Exposure Readout Reenter trent oa Time Fig 28 Frame Trigger Wait Signal Note O The frame trigger wait signal will only be available when hardware triggering is enabled For more information about assigning the Frame Trigger Wait signal to output line 1 see Section 8 2 1 on page 96 For more information about hardware triggering see Section 6 2 3 on page 49 Basler ace 61 Image Acquisition Control Using the Frame Trigger Wait Signal When the camera is set for the timed exposure mode it calculates the rise of the Frame Trigger Wait signal based on the current Exposure Time Abs parameter setting and on when readout of the current frame will end This functionality is illustrated in Figure 29 If you are operating the camera in
126. g_en_71708 html For more information about installing pylon software see the installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 You can download the guide from the Basler website www baslerweb com indizes download_index_en_19627 html 20 Basler ace Camera Functional Description 4 Camera Functional Description This section provides an overview of the camera s functionality from a system perspective The overview will aid your understanding when you read the more detailed information included in the next chapters of the user s manual 4 1 Overview Each camera provides features such as a full frame shutter and electronic exposure time control Exposure start and exposure time can be controlled by parameters transmitted to the camera via the Basler pylon API and the GigE interface There are also parameters available to set the camera for single frame acquisition or continuous frame acquisition Exposure start can also be controlled via an externally generated frame start trigger ExFSTrig signal applied to the camera s input line The ExFSTrig signal facilitates periodic or non periodic acquisition start Modes are available that allow the length of exposure time to be directly controlled by the ExFSTrig signal or to be set for a pre programmed period of time Accumulated charges are read out of the sensor when exposure ends At readout accumulated charges are transported from the sensor s
127. gital values output for the pixels Setting the Black Level The black level can be adjusted by changing the value of the Black Level Raw parameter The Black Level Raw parameter value can range from 0 to 255 on all camera models To set the Black Level Raw parameter value Set the Black Level Selector to Black Level All Set the Black Level Raw parameter to your desired value You can set the Black Level Selector and the Black Level Raw parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera BlackLevelSelector SetValu BlackLevelSelector All Camera BlackLevelRaw SetValue 32 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 110 Basler ace Standard Features 9 3 White Balance on Color Models White balance capability has been implemented on color models of the camera White balancing can be used to adjust the color balance of the images transmitted from the camera Setting the White Balance Note White balance can not only be manually set see below but can also be automatically adjusted The Balance White Auto function is the automatic counterpart of the
128. gs For more information about the Gain feature see Section 9 1 on page 107 For more information about the maximum allowed frame rate and disabling the frame rate limit see Section 6 6 on page 67 and Section 6 6 1 on page 70 Disabling Parameter Limits To disable the limits for a parameter Use the Parameter Selector to select the parameter whose limits you wish to disable Set the value of the Remove Limits parameter You can set the Parameter Selector and the value of the Remove Limits parameter from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Select the feature whose factory limits will be disabled Camera ParameterSelector SetValue ParameterSelector Gain Disable the limits for the selected feature Camera RemoveLimits SetValue true Select the feature whose factory limits will be disabled Camera ParameterSelector SetValue ParameterSelector Framerate Disable the limits for the selected feature Camera RemoveLimits SetValue true Basler ace 147 Standard Features For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Note that the disable parameter limits feature will only be available at the guru viewing level For m
129. h 1 Bm 1 Y value for Ph Bm V value for Ph 1 90 Basler ace Pixel Data Formats When a color camera is set for YUV 4 2 2 YUYV output the pixel data output for the Y component is 8 bit data of the unsigned char type The range of data values for the Y component and the corresponding indicated signal levels are shown below This Data Value Hexadecimal Indicates This Signal Level Decimal OxFF 255 OxFE 254 0x01 1 0x00 0 The pixel data output for the U component or the V component is 8 bit data of the straight binary type The range of data values for a U or a V component and the corresponding indicated signal levels are shown below This Data Value Hexadecimal Indicates This Signal Level Decimal OxFF 127 OxFE 126 0x81 1 0x80 0 Ox7F 1 0x01 127 0x00 128 The signal level of a U component or a V component can range from 128 to 127 decimal Notice that the data values have been arranged to represent the full signal level range Basler ace 91 Pixel Data Formats 7 3 7 Mono 8 Format When a color camera is set for the Mono 8 pixel data format the pixel values in each captured image are first interpolated and converted to the YUV color model as described for the YUV 4 2 2 Packed format The camera then transmits the 8 bit Y value for each p
130. h 2 Bm 3 Low byte of brightness value for P 4 Bm 2 High byte of brightness value for P 4 Bm 1 Low byte of brightness value for P Bm High byte of brightness value for Ph 74 Basler ace Pixel Data Formats When the camera is set for Mono 12 the pixel data output is 16 bit data of the unsigned short little endian type The available range of data values and the corresponding indicated signal levels are as shown in the table below Note that for 16 bit data you might expect a value range from 0x0000 to OxFFFF However with the camera set for Mono12 only 12 bits of the 16 bits transmitted are effective Therefore the highest data value you will see is OXOFFF indicating a signal level of 4095 This Data Value Indicates This Signal Level Hexadecimal Decimal OxOFFF 4095 OxOFFE 4094 0x0001 1 0x0000 0 D Basler ace Note A camera that is set for Mono 12 has only 12 effective bits out of the 16 bits transmitted for each pixel The leader of each transmitted frame will indicate Mono 12 as the pixel format 75 Pixel Data Formats 7 2 3 Mono 12 Packed Format When a monochrome camera is set for the Mono 12 Packed pixel data format it outputs 12 bits of brightness data per pixel Every three bytes transmitted by the camera contain data for two pixels The table below describes how the pixel data for a received frame will be ordered in the image buffer in your P
131. h the current settings the accumulator pool can only hold a maximum of 15 resends So the pool is now 15 Frame Max Jitter read only If the Bandwidth Reserve Accumulation parameter is set to a high value the camera can experience a large burst of data resends during transmission of a frame This burst of resends will delay the start of transmission of the next acquired frame The Frame Max Jitter parameter indicates the maximum time in ticks one tick 8 ns that the next frame transmission could be delayed due to a burst of resends Device Max Throughput read only Indicates the maximum amount of data in bytes per second that the camera could generate given its current settings and an ideal world This parameter gives no regard to whether the GigE network has the capacity to carry all of the data and does not consider any bandwidth required for resends In essence this parameter indicates the maximum amount of data the camera could generate with no network restrictions If the Acquisition Frame Rate abs parameter has been used to set the camera s frame rate the camera will use this frame rate setting to calculate the device max throughput If software or hardware triggering is being used to control the camera s frame rate the maximum frame rate allowed with the current camera settings will be used to calculate the device max throughput Basler ace 199 Network Related Camera Parameters and Managing Bandwidth Device Current Th
132. hange 4 When your Packet Size setting exceeds the packet size that the network can handle the viewer will lose the ability to capture images When you use Continuous Shot the viewer s status bar will indicate that it is acquiring images but the image in the viewing area will appear to be frozen Basler ace 205 Network Related Camera Parameters and Managing Bandwidth Step 3 Set the Bandwidth Reserve parameter for each camera The Bandwidth Reserve parameter setting for a camera determines how much of the bandwidth assigned to that camera will be reserved for lost packet resends and for asynchronous traffic such as commands sent to the camera If you are operating the camera in a relatively EMI free environment you may find that a bandwidth reserve of 2 or 3 is adequate If you are operating in an extremely noisy environment you may find that a reserve of 8 or 10 is more appropriate Step 4 Calculate the data bandwidth needed by each camera The objective of this step is to determine how much bandwidth in Byte s each camera needs to transmit the image data that it generates The amount of data bandwidth a camera needs is the product of several factors the amount of data included in each image the amount of chunk data being added to each image the packet overhead such as packet leaders and trailers and the number of frames the camera is acquiring each second For each camera you can use the two formulas below to c
133. hat is too long will result in rejecting valid signals Note that the debouncer delays a valid signal between its arrival at the camera and its transfer The duration of the delay will be determined by the debouncer value Basler ace 35 Physical Interface The following diagram illustrates how the debouncer filters out invalid input signals i e signals that are shorter than the debouncer value The diagram also illustrates how the debouncer delays a valid signal Unfiltered arriving signals Debouncer I I T T I debouncer I value I I Transferred valid signal I l delay TIMING CHARTS ARE NOT DRAWN TO SCALE Fig 14 Filtering of Input Signals by the Debouncer Setting the Debouncer The debouncer value is determined by the value of the Line Debouncer Time Abs parameter value The parameter is set in microseconds and can be set in a range from 0 to approximately 1 s To set the debouncer Use the Line Selector to select input line1 Set the value of the Line Debouncer Time Abs parameter You can set the Line Selector and the value of the Line Debouncer Abs parameter from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Select the input line Camera LineSelector SetValue LineSelector Linel Set the parameter value to 100 microseconds Camera LineDebouncerTime
134. he camera via Power over Ethernet PoE and you also supply power to the camera s 6 pin connector the camera will use the power supplied to the 6 pin connector Power supplied to the camera s 6 pin connector always has priority and the power supplied to the connector must meet the specifications outlined below Via PoE If are supplying power via PoE the power provided must adhere to the requirements specified in IEEE 802 3af Power consumption is as shown in the specification tables in Section 1 of this manual From a Power Supply to the 6 Pin Connector Camera power can be provided from a power supply to the camera s 6 pin connector via a standard power and I O cable or via a PLC power and I O cable Nominal operating voltage is 12 VDC 10 with less than one percent ripple Power consumption is as shown in the specification tables in Section 1 of this manual Close proximity to strong magnetic fields should be avoided Voltage outside of the specified range can cause damage If the voltage of the power to the camera is greater than 13 2 VDC damage to the camera can result If the voltage is less than 11 3 VDC the camera may operate erratically An incorrect plug can damage the 6 pin connector The plug on the cable that you attach to the camera s 6 pin connector must have 6 female pins Using a plug designed for a smaller or a larger number of pins can damage the connector For more information about the
135. he source signal for the output line Note By default the Exposure Active signal is assigned to output line 1 You can set the Line Selector and the Line Source parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera LineSelector SetValue LineSelector Outl Camera LineSource SetValue LineSource ExposureActive For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 For more information about setting the state of a user settable output line see Section 8 2 2 on page 97 For more information about working with a timer output signal see Section 8 2 4 on page 99 For more information about the exposure active signal see Section 6 2 5 on page 55 For more information about the frame trigger wait signal see Section 6 4 on page 59 96 Basler ace 1 O Control 8 2 2 Setting the State of a User Settable Output Line As mentioned in the previous section you can designate the camera s output line as user settable If you have designated the output line as user settable you can use camera parameters to set the state of the line Setting the State of a User Settable Output
136. her words you can use exposure start to trigger the start of the timer If you require the timer signal to be high when the timer is triggered and to go low when the delay expires simply set the output line to invert 8 2 4 1 Setting the Trigger Source for the Timer To set the trigger source for a timer Use the Timer Selector to select timer 1 Set the value of the Timer Trigger Source parameter to exposure active This will set the selected timer to use the start of exposure to begin the timer You can set the Trigger Selector and the Timer Trigger Source parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera TimerSelector SetValue TimerSelector Timerl Camera TimerTriggerSource SetValue TimerTriggerSource ExposureStart For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 99 1 0 Control 8 2 4 2 Setting the Timer Delay Time There are two ways to set the delay time for timer 1 by setting raw values or by setting an absolute value You can use whichever method you prefer to set the delay time Setting the Delay Time with Raw Values When the dela
137. igh when the exposure time for each image acquisition begins and goes low when the exposure time ends as shown in Figure 22 This signal can be used as a flash trigger and is also useful when you are operating a system where either the camera or the object being imaged is movable For example assume that the camera is mounted on an arm mechanism and that the mechanism can move the camera to view different portions of a product assembly Typically you do not want the camera to move during exposure In this case you can monitor the ExpAc signal to know when exposure is taking place and thus know when to avoid moving the camera Exposure Exposure Exposure Exposure Frame N Frame N 1 Frame N 2 2 us to3 5 us gt lt d 2 us to 3 5 us gt lt i ti 10 us to 26 ps y 10 us to 26 E ExpAc u H Hs to 26 Us Signal Timing charts are not drawn to scale Times stated are typical Fig 22 Exposure Active Signal Note When you use the exposure active signal be aware that there is a delay in the rise and the fall of the signal in relation to the start and the end of exposure See Figure 22 for details The exposure active output signal can be assigned to camera output line 1 For more information about changing which camera output signal is assigned to the output line see Section 8 2 1 on page 96 For more information about the electrical characteristics of the camera s output line see Section 5 7 2 on page 38 Basler ace
138. il est conforme aux normes Classe A pour bruits radio lectriques sp cifi es dans le Reglement sur le brouillage radio lectrique Life Support Applications These products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Basler customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Basler for any damages resulting from such improper use or sale Warranty Note Do not open the housing of the camera The warranty becomes void if the housing is opened All material in this publication is subject to change without notice and is copyright Basler Vision Technologies Contacting Basler Support Worldwide Europe Basler AG An der Strusbek 60 62 22926 Ahrensburg Germany Tel 49 4102 463 515 Fax 49 4102 463 599 bc support europe baslerweb com Americas Basler Inc 855 Springdale Drive Suite 203 Exton PA 19341 U S A Tel 1 610 280 017 1 Fax 1 610 280 7608 bc support usa baslerweb com Asia Basler Asia Pte Ltd 8 Boon Lay Way 03 03 Tradehub 21 Singapore 609964 Tel 65 6425 0472 Fax 65 6425 0473 bc support asia baslerweb com www baslerweb com Table of Contents Table of Contents 1 Specifications Requirements and Precautions 1 Val MOGGIS a k eet oaths Mig enti ad ies de
139. iled information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 131 Standard Features 9 10 Gamma Correction The gamma correction feature lets you modify the brightness of the pixel values output by the camera s sensor to account for a non linearity in the human perception of brightness To accomplish the correction a gamma correction factor y is applied to the brightness value Y of each pixel according to the following formula Y Y uncorrected Y corrected Y xY max max The formula uses uncorrected and corrected pixel brightnesses that are normalized by the maximum pixel brightness The maximum pixel brightness equals 255 for 8 bit output and 4095 for 12 bit output When the gamma correction factor is set to 1 the output pixel brightness will not be corrected A gamma correction factor between 0 and 1 will result in increased overall brightness and a gamma correction factor greater than 1 will result in decreased overall brightness In all cases black output pixel brightness equals 0 and white output pixel brightness equals 255 at 8 bit output and 4095 at 12 bit output will not be corrected Enabling Gamma Correction and Setting the Gamma You can enable or disable the gamma correction feature
140. in an 8 bit mode you could increase the Gray Values 4095 255 12 bit 8 bit 0 25 50 100 Sensor Output Signal Fig 35 Gain in dB gain to 6 dB an amplification factor of 2 and thus reach gray values of 254 Basler ace 107 Standard Features Setting the Gain Note Gain can not only be manually set see below but can also be automatically adjusted The Gain Auto function is the automatic counterpart of the gain feature and adjusts the Gain Raw parameter value automatically For more information about auto functions see Section 9 11 1 on page 133 For more information about the Gain Auto function see Section 9 11 2 on page 140 The camera s gain is determined by the value of the Gain Raw parameter Gain Raw is adjusted on a decimal scale The minimum decimal setting varies depending on the camera model and on whether vertical binning is enabled see Table 10 The maximum setting depends on whether the camera is set for a pixel data format that yields 8 bit effective pixel depth Mono 8 Bayer BG 8 YUV 4 2 2 Packed YUV 4 2 2 YUYV Packed or yields an effective pixel depth of 12 bits per pixel Mono 12 Mono 12 Packed Bayer BG 12 Bayer BG 12 Packed Camera Model Min Setting Min Setting with Max Setting Max Setting Vertical Binning 8 bit depth 16 bit depth mono cameras acA640 100gm gc 120 120 1023 600 scA1300 30 gm gc 300 200 1023 600 Table 10
141. is digitized by the ADC at 12 bit depth Whenever the camera is set for a 12 bit pixel format e g Mono 12 the 12 bits transmitted out of the camera for each pixel normally represent the 12 bits reported by the camera s ADC The luminance lookup table feature lets you use a custom 12 bit to12 bit lookup table to map the 12 bits reported out of the ADC to 12 bits that will be transmitted by the camera The lookup table is essentially just a list of 4096 values however not every value in the table is actually used If we number the values in the table from O through 4095 the table works like this The number at location 0 in the table represents the 12 bits that will be transmitted out of the camera when the ADC reports that a pixel has a value of 0 The numbers at locations 1 through 7 are not used The number at location 8 in the table represents the 12 bits that will be transmitted out of the camera when the ADC reports that a pixel has a value of 8 The numbers at locations 9 through 15 are not used The number at location 16 in the table represents the 12 bits that will be transmitted out of the camera when the ADC reports that a pixel has a value of 16 The numbers at locations 17 through 23 are not used The number at location 24 in the table represents the 12 bits that will be transmitted out of the camera when the ADC reports that a pixel has a value of 24 And so on As you can see the table does not include a user defi
142. is not processed or interpolated in any way So for each pixel covered with a red lens you get 8 bits of red data For each pixel covered with a green lens you get 8 bits of green data And for each pixel covered with a blue lens you get 8 bits of blue data This type of pixel data is sometimes referred to as raw output The BG in the name Bayer BG 8 refers to the alignment of the colors in the Bayer filter to the pixels in the acquired images For even lines in the images pixel one will be blue pixel two will be green pixel three will be blue pixel four will be green etc For odd lines in the images pixel one will be green pixel two will be red pixel three will be green pixel four will be red etc For more information about the Bayer filter see Section 7 3 1 on page 79 The tables below describe how the data for the even lines and for the odd lines of a received frame will be ordered in the image buffer in your PC when the camera is set for Bayer BG 8 output The following standards are used in the tables Po the first pixel transmitted by the camera for a line P the last pixel transmitted by the camera for a line Bo the first byte of data for a line Bm the last byte of data for a line Even Lines Odd Lines Byte Data Byte Data Bo Blue value for Pg Bo Green value for Po B4 Green value for P4 B4 Red value for P4
143. ish Institute of Computer Science All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution 3 The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 10 Basler ace Specifications Requirements and Precautions 1 6 Avoiding EMI and E
144. it sends the data payload via the selected stream channel The value is in bytes The value does not affect the leader and trailer size and the last data packet may be a smaller size The packet size parameter should always be set to the maximum size that your network adapter and network switches if used can handle Inter packet Delay read write Sets the delay in ticks between the packets sent by the camera Applies to the selected stream channel Increasing the inter packet delay will decrease the camera s effective data transmission rate and will thus decrease the network bandwidth used by the camera In the current camera implementation one tick 8 ns To check the tick frequency you can read the Gev Timestamp Tick Frequency parameter value This value indicates the number of clock ticks per second Frame Transmission Delay read write Sets a delay in ticks one tick 8 ns between when a camera would normally begin transmitting an acquired frame and when it actually begins transmission This parameter should be set to zero in most normal situations If you have many cameras in your network and you will be simultaneously triggering image acquisition on all of them you may find that your network switch or network adapter is overwhelmed if all of the cameras simultaneously begin to transmit image data at once The frame transmission delay parameter can be used to stagger the start of image data transmission from each camera Ba
145. ition N 1 Exposure Readout Image Acquisition N 2 Exposure Readout Image Acquisition N 3 Exposure Readout Time Fig 24 Overlapped Exposure and Readout 56 Basler ace Image Acquisition Control Determining whether your camera is operating with overlapped or non overlapped exposure and readout is not a matter of issuing a command or switching a setting on or off Rather the way that you operate the camera will determine whether the exposures and readouts are overlapped or not If we define the frame period as the time from the start of exposure for one image acquisition to the start of exposure for the next image acquisition then Exposure will not overlap when Frame Period gt Exposure Time Readout Time Exposure will overlap when Frame Period lt Exposure Time Readout Time You can determine the readout time by reading the value of the Readout Time Abs parameter The parameter indicates what the readout time will be in microseconds given the camera s current settings You can get the Readout Time Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to get the parameter value double ReadoutTime Camera ReadoutTimeAbs GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer
146. ixel Figure 37 illustrates vertical binning Vertical Binning by 2 Vertical Binning by 3 Vertical Binning by 4 eE HERRDHER THEE IHE ISI rrr CXII r2 r3 rn fun n A i LEE EDEDEUDOD OG Oo Oa oO Co ODEDUDOUD Goo Fig 37 Vertical Binning With horizontal binning adjacent pixels from 2 columns 3 columns or a maximum of 4 columns are summed and are reported out of the camera as a single pixel Figure 38 illustrates horizontal bin ning 122 Basler ace Standard Features Horizontal Binning by 2 Horizontal Binning by 3 Horizontal Binning by 4 Oo dbbodoo aaeanoa Dogg 53 5 8 55 EA Aa L101 1 11 L ELLIILI Fig 38 Horizontal Binning You can combine vertical and horizontal binning This however may cause objects to appear di
147. ixel to the host PC In the YUV color model the Y component for each pixel represents a brightness value This brightness value can be considered as equivalent to the value that would be sent from a pixel in a monochrome camera So in essence when a color camera is set for Mono 8 it outputs an 8 bit monochrome image This type of output is sometimes referred to as Y Mono 8 The table below describes how the pixel data for a received frame will be ordered in the image buffer in your PC when a color camera is set for Mono 8 output The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Bo Y value for Pg B4 Y value for P4 Bo Y value for P5 B3 Y value for Pz By Y value for P4 Bs Y value for P5 Be Y value for Pg B Y value for P7 e e Bm 3 Y value for Ph 3 Bm 2 Y value for P2 Bm 1 Y value for P4 Bm Y value for Ph 92 Basler ace Pixel Data Formats With the camera set for Mono 8 the pixel data output is 8 bit data of the unsigned char type The available range of data values and the corresponding indicated signal levels are as shown in the table below This Data Value Indicates This Signal Level Hexadecimal Decimal OxFF 255 OxFE 254
148. l show the effects of the feature while test image 3 will not This makes test image 5 useful for checking the effects of digital features such as the luminance lookup table Basler ace 153 Standard Features Test Image 6 Moving Diagonal Color Gradient The moving diagonal color gradient test image is available on color cameras only and is designed for use when the camera is set for YUV output As shown in Figure 46 test image six consists of diagonal color gradients The image moves by one pixel from right to left whenever you signal the camera to capture a new image To display this test pattern on a monitor you must convert the YUV output from the camera to 8 bit RGB Fig 46 Test Image Six 154 Basler ace Standard Features 9 15 Device Information Parameters Each camera includes a set of device information parameters These parameters provide some basic information about the camera The device information parameters include Device Vendor Name read only contains the camera vendor s name Device Model Name read only contains the model name of the camera Device Manufacturer Info read only can contain some information about the camera manufacturer This string usually indicates none Device Version read only contains the device version number for the camera Firmware Version read only contains the version of the firmware in the camera Device ID read only contains the serial number of the camer
149. l the camera There are three basic types of configuration sets the active set the default factory set and user sets The Active Set The active set contains the camera s current parameter settings and thus determines the camera s performance that is what your image currently looks like When you change parameter settings using the pylon API or the pylon Viewer you are making changes to the active set The active set is located in the camera s volatile memory and the settings are lost if the camera is reset or if power is switched off Non volatile Memory Flash Standard Features Volatile Memory RAM 0023 A Default Set Standard Factory Setup High Gain Factory Setup Auto Functions Factory Setup The Default Set y Fig 47 Configuration Sets When a camera is manufactured numerous tests are E s performed on the camera and three factory optimized setups are determined The three factory optimized setups are The Standard Factory Setup is optimized for average conditions and will provide good camera performance in many common applications In the standard factory setup the gain is set to a low value and all auto functions are set to off The High Gain Factory Setup is similar to the standard factory setup but the gain is set to 6 dB The Auto Functions Factory Setup is similar to the standard factory setup but the Gain Auto and the Exposure Auto auto functions are bo
150. larly a resend request will be sent for missing packet 1002 after packet 1001 has advanced beyond the resend request threshold and before packet 1003 can advance beyond the resend request threshold Resend Request Batching This parameter determines the location of the resend request batching threshold in the receive window Figure 50 The parameter value is in per cent of a span that starts with the resend request threshold and ends with the front end of the receive window The maximum allowed parameter value is 100 In Figure 50 the resend request batching threshold is set at 80 of the span The resend request batching threshold relates to consecutive missing packets i e to a continuous sequence of missing packets Resend request batching allows grouping of consecutive missing packets for a single resend request rather than sending a sequence of resend requests where each resend request relates to just one missing packet The location of the resend request batching threshold determines the maximum number of consecutive missing packets that can be grouped together for a single resend request The maximum number corresponds to the number of packets that fit into the span between the resend request threshold and the resend request batching threshold plus one If the Resend Request Batching parameter is set to 0 no batching will occur and a resend request will be sent for each single missing packet For other settings consider an example Suppo
151. lector and Chunk Enable parameter value from within your application software by using the pylon API You can also run the parser and retrieve the chunk data The following code snippets illustrate using the API to activate the chunk mode enable the time stamp chunk run the parser and retrieve the frame counter chunk data Make chunk mode active and enable CRC chunk Camera ChunkModeActive SetValue true 176 Basler ace Chunk Features Camera ChunkSelector SetValue ChunkSelector PayloadCRC16 Camera ChunkEnable SetValue true Check the CRC checksum of an grabbed image IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result StreamGrabber RetrieveResult Result ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize if ChunkParser HasCRC amp amp ChunkParser CheckCRC cerr lt lt Image corrupted lt lt endl For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 177 Chunk Features 178 Basler ace Troubleshooting and Support 11 Troubleshooting and Support This section outlines the resources available to you if you need help working with your camera 11 1 Tech Support Resources If yo
152. lens adapter on color models of the camera Relative Response 400 450 500 550 600 650 700 Wave Length nm Fig 3 acA640 100gc Spectral Response 6 Basler ace Specifications Requirements and Precautions Relative Response o al 0 0 400 450 500 550 600 650 700 Wave Length nm Fig 4 acA1300 30gc Spectral Response Basler ace Specifications Requirements and Precautions 1 4 Mechanical Specifications The camera housing conforms to protection class IP30 assuming that the lens mount is covered by a lens or by the protective plastic seal that is shipped with the camera 1 4 1 Camera Dimensions and Mounting Points The camera dimensions in millimeters are as shown in Figure 5 Camera housings are equipped with mounting holes on the bottom as shown in the drawings 5 77 20 15 23 7 dimension for M3 A al T 2x M2 4 deep e m E E ee 5 5 x cnet N o M3 3 deep x CN Na E 2x M2 3 deep i y A A 2x M2 3 deep 2xM3 3deep 16 5 22 dimension for M2 6 6 t be nnt
153. ler ace Pixel Data Formats 73 Pixel Data Formats 7 2 2 Mono 12 Format When a monochrome camera is set for the Mono12 pixel data format it outputs 16 bits of brightness data per pixel with 12 bits effective The 12 bits of effective pixel data fill from the least significant bit The four unused most significant bits are filled with zeros The table below describes how the pixel data for a received frame will be ordered in the image buffer in your PC when the camera is set for Mono12 output Note that the data is placed in the image buffer in little endian format The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Bo Low byte of brightness value for Po B4 High byte of brightness value for Po Bo Low byte of brightness value for P B3 High byte of brightness value for P4 B4 Low byte of brightness value for P Bs High byte of brightness value for P Be Low byte of brightness value for P3 B High byte of brightness value for P3 Bg Low byte of brightness value for P4 Bg High byte of brightness value for P4 e e e Bm 7 Low byte of brightness value for P 4 Bm 6 High byte of brightness value for Pp 3 Bm 5 Low byte of brightness value for P 2 Bm 4 High byte of brightness value for P
154. lication software by using the pylon API You can also run the parser and retrieve the chunk data The following code snippets illustrate using the API to activate the chunk mode enable the line status all chunk run the parser and retrieve the line status all chunk data make chunk mode active and enable Line Status All chunk Camera ChunkModeActive SetValue true Camera ChunkSelector SetValue ChunkSelector LineStatusAll 174 Basler ace Chunk Features Camera ChunkEnable SetValue true retrieve data from the chunk IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result StreamGrabber RetrieveResult Result ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize int64 t lineStatusAll Camera ChunkLineStatusAll GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 175 Chunk Features 10 7 CRC Checksum The CRC Cyclic Redundancy Check Checksum feature adds a chunk to each acquired image containing a CRC checksum calculated using the Z modem method As shown in Figure 6 2 the checksum is calculated using all of the image data and all of the appended chunks except for the checksum itself Th
155. light sensitive elements pixels to the vertical shift registers see Figure 7 on page 22 The charges from the bottom line of pixels in the array are then moved into a horizontal shift register Next the charges are shifted out of the horizontal register As the charges move out of the horizontal shift register they are converted to voltages proportional to the size of each charge Each voltage is then amplified by a Variable Gain Control VGC and digitized by an Analog to Digital converter ADC After each voltage has been amplified and digitized it passes through an FPGA and into an image buffer All shifting is clocked according to the camera s internal data rate Shifting continues in a linewise fashion until all image data has been read out of the sensor The pixel data leaves the image buffer and passes back through the FPGA to an Ethernet controller where it is assembled into data packets The packets are then transmitted via an Ethernet network to a network adapter in the host PC The Ethernet controller also handles transmission and receipt of control data such as changes to the camera s parameters The image buffer between the sensor and the Ethernet controller allows data to be read out of the sensor at a rate that is independent of the data transmission rate between the camera and the host computer This ensures that the data transmission rate has no influence on image quality Basler ace 21 Camera Functional Description
156. n Area of Interest Auto Function AOI lets you designate a specific part of the image as the base for adjusting an image property Each auto function uses the pixel data from an Auto Function AOI for automatically adjusting a parameter value and accordingly for controlling the related image property Some auto functions use their own individual Auto Function AOI and some auto functions share a single Auto Function AOI An auto function automatically adjusts a parameter value until the related image property reaches a target value Note that the manual setting of the parameter value is not preserved For example when the Gain Auto function adjusts the gain parameter value the manually set gain parameter value is not preserved For some auto functions the target value is fixed For other auto functions the target value can be set as can the limits between which the related parameter value will be automatically adjusted For example the gain auto function lets you set an average gray value for the image as a target value and also set a lower and an upper limit for the gain parameter value Generally the different auto functions can operate at the same time For more information see the following sections describing the individual auto functions pertinent camera settings and with the general circumstances used for capturing O A target value for an image property can only be reached if it is in accord with all images Otherwise the targe
157. n for each camera model Camera Model db Gain at Min Setting db Gain at Max Setting 8 bit depth db Gain at Max Setting 12 bit depth acA640 100gm gc 4 3 36 7 21 5 acA1300 30gm gc 10 8 36 7 21 5 Table 11 Minimum and Maximum dB of Gain Basler ace 109 Standard Features 9 2 Black Level Adjusting the camera s black level will result in an offset to the pixel values output by the camera Increasing the black level setting will result in a positive offset in the digital values output for the pixels Decreasing the black level setting will result in a negative offset in the digital values output for the pixels If the camera is set for a pixel data format that yields 8 bit effective pixel depth Mono 8 Bayer BG 8 YUV 4 2 2 Packed YUV 4 2 2 YUYV Packed an increase of 64 in the black level parameter setting will result in a positive offset of 1 in the digital values output for the pixels And a decrease of 64 in the setting will result in a negative offset of 1 in the digital values output for the pixels If the camera is set for a pixel data format that yields an effective pixel depth of 12 bits per pixel Mono 12 Mono 12 Packed Bayer BG 12 Bayer BG 12 Packed an increase of 4 in the black level parameter setting will result in a positive offset of 1 in the digital values output for the pixels A decrease of 4 in the setting will result in a negative offset of 1 in the di
158. n stop command If the camera is not in the process of acquiring a frame its ability to acquire frames will be terminated immediately If the camera is in the process of acquiring a frame the frame acquisition process will be allowed to finish and the camera s ability to acquire new frames will be terminated The camera s Acquisition Mode parameter has two settings single frame and continuous If the camera s Acquisition Mode parameter is set for single frame after an Acquisition Start command has been issued to the camera a single frame can be acquired When acquisition of one frame is complete the camera will internally issue an Acquisition Stop command and can no longer acquire frames To acquire another frame you must issue a new Acquisition Start command If the camera s Acquisition Mode parameter is set for continuous frame after an Acquisition Start command has been issued to the camera frame acquisition can be triggered as desired Each time a valid frame trigger is applied the camera will acquire and transmit a frame The camera will retain the ability to acquire frames until an Acquisition Stop command has been issued to the camera Once the Acquisition Stop command is received the camera can no longer acquire frames Basler ace 41 Image Acquisition Control Setting the Acquisition Mode and Issuing Start Stop Commands You can set the Acquisition Mode parameter value and you can issue Acquisition Start or Acquisi
159. ndwidth Assigned read only Indicates the bandwidth in bytes per second that will be used by the camera to transmit image and chunk feature data and to handle resends and control data transmissions The value of this parameter is a result of the packet size and the inter packet delay parameter settings In essence the bandwidth assigned is calculated this way X Packets x Y Bytes Bandwidth Assigned Frame X Packet 1 1 1 X Packets Y Bytes _ 8 ns l X Packets _ 1 x IPD x 8 ns Frame Packet Byte Frame Where X number of packets needed to transmit the frame Y number of bytes in each packet IPD Inter packet Delay setting in ticks with a tick set to the 8 ns standard When considering this formula you should know that on a Gigabit network it takes one tick to transmit one byte Also be aware that the formula has been simplified for easier understanding Bandwidth Reserve read write Used to reserve a portion of the assigned bandwidth for packet resends and for the transmission of control data between the camera and the host PC The setting is expressed as a percentage of the 196 Basler ace Network Related Camera Parameters and Managing Bandwidth Bandwidth Assigned parameter For example if the Bandwidth Assigned parameter indicates that 30 MByte s have been assigned to the camera and the Bandwidth Reserve parameter is set to 5 then the bandwidth reserve will be 1 5 MByte s
160. ned 12 bit value for every pixel value that the sensor can report So what does the camera do when the ADC reports a pixel value thatis between two values that have a defined 12 bit output In this case the camera performs a straight line interpolation to determine the value that it should transmit For example assume that the ADC reports a pixel value of 12 In this case the camera would perform a straight line interpolation between the values at location 8 and location 16 in the table The result of the interpolation would be reported out of the camera as the 12 bit output Another thing to keep in mind about the table is that location 4088 is the last location that will have a defined 12 bit value associated with it Locations 4089 through 4095 are not used If the ADC reports a value above 4088 the camera will not be able to perform an interpolation In cases where the ADC reports a value above 4088 the camera simply transmits the 12 bit value from location 4088 in the table The advantage of the luminance lookup table feature is that it allows a user to customize the response curve ofthe camera The graphs below show the effect of two typical lookup tables The first graph is for a lookup table where the values are arranged so that the output of the camera increases linearly as the digitized sensor output increases The second graph is for a lookup table where the values are arranged so that the camera output increases quickly as the digitized
161. nformation about minimum allowed and maximum possible exposure time see Section 6 5 on page 65 Basler ace 143 Standard Features 9 11 4 Auto Function Profile If you want to use the gain auto function and the exposure auto function at the same time you must also set the auto function profile The auto function profile assigns priorities between related auto functions i e the auto function profile specifies whether gain or exposure time will be kept as low as possible during adjustments until a target average gray value for the pixel data of the related Auto Function AOI is reached To use the gain auto function and the exposure auto function at the same time carry out the following steps 1 Set the auto function profile to specify whether gain or exposure time shall be minimized during adjustments 2 Set the gain auto function to the continuous mode of operation 3 Set the exposure auto function to the continuous mode of operation You can set the auto function profile from within your application software by using the pylon API The following code snippets illustrate using the API to set the auto function profile As an example Gain Auto is set to be minimized during adjustments Use GainAuto and ExposureAuto simultaneously Camera AutoFunctionProfile SetValue AutoFunctionProfile GainMinimum Camera GainAuto SetValue GainAuto Continuous Camera ExposureAuto SetValue ExposureAuto Continuous
162. ng data chunk when the image is transferred to the host PC Examples of this type of camera feature are the Frame Counter feature and the Time Stamp feature When the Frame Counter feature is enabled for example after an image is captured the camera checks a counter that tracks the number of images acquired and develops a frame counter stamp for the image And if the Time Stamp feature is enabled the camera creates a time stamp for the image The frame counter stamp and the time stamp would be added as chunks of trailing data to each image as the image is transferred from the camera The features that add chunks to the acquired images are referred to as chunk features Before you can use any of the features that add chunks to the image you must make the chunk mode active Making the chunk mode active is described in the next section Basler ace 163 Chunk Features 10 2 Making the Chunk Mode Active and Enabling the Extended Data Stamp Before you can use any of the camera s chunk features the chunk mode must be made active Making the chunk mode active does two things It makes the Frame Counter the Trigger Input Counter the Time Stamp the Line Status All and the CRC Checksum chunk features available to be enabled It automatically enables the Extended Image Data chunk feature To make the chunk mode active Set the Chunk Mode Active parameter to true You can set the Chunk Mode Active parameter value from within y
163. ng the Pixel Data Format Mono Camera Model Mono 8 Mono 12 Mono 12 Packed YUV 4 2 2 Packed YUV 4 2 2 YUYV Packed acA640 100gm acA1300 30gm Table 8 Pixel Formats Available on Monochrome Cameras format available Color Camera Model Mono 8 Bayer BG 8 Bayer BG 12 Bayer BG 12 Packed YUV 4 2 2 Packed YUV 4 2 2 YUYV Packed acA640 100gc acA1300 30gc Table 9 Pixel Formats Available on Color Cameras format available Details of the monochrome formats are described in Section 7 2 on page 72 and details of the color formats are described in Section 7 3 on page 79 You can set the Pixel Format parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter value Camera PixelFormat SetValue PixelFormat Mono8 Camera PixelFormat SetValue PixelFormat Monol2Packed Camera PixelFormat SetValue PixelFormat Monol2 Camera PixelFormat SetValue PixelFormat YUV422Packed Camera PixelFormat SetValue PixelFormat YUV422 YUYV Packed Basler ace 71 Pixel Data Formats Camera PixelFormat SetValue PixelFormat BayerBG8 Camera PixelFormat SetValue PixelFormat BayerBG12 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler
164. nt that you collect several pieces of information before you contact Basler technical support Copy the form that appears on the next two pages fill it out and fax the pages to your local dealer or to your nearest Basler support center Or you can send an e mail listing the requested pieces of information and with the requested files attached Basler technical support contact information is shown in the title section of this manual 1 The camera s product ID 2 The camera s serial number 3 Network adapter that you use with the camera 4 Describe the problem in as much detail as possible If you need more space use an extra sheet of paper 5 If known whats the cause of the problem 6 When did the problem occur After start While running After a certain action e g a change of parameters 180 Basler ace Troubleshooting and Support 7 How often did does the problem fr Once fr Every time occur Regularly when Occasionally when 8 How severe is the problem Camera can still be used r7 Camera can be used after take this action Camera can no longer be used 9 Did your application ever run r Yes r No without problems 10 Parameter set It is very important for Basler technical Support to get a copy of the exact camera parameters that you were using when the problem occurred To make note of the parameters use
165. ocumentation included with the pylon package Warranty Precautions To ensure that your warranty remains in force Do not remove the camera s serial number label If the label is removed and the serial number can t be read from the camera s registers the warranty is void Do not open the camera housing Do not open the housing Touching internal components may damage them Keep foreign matter outside of the camera Be careful not to allow liquid flammable or metallic material inside of the camera housing If operated with any foreign matter inside the camera may fail or cause a fire Avoid Electromagnetic fields Do not operate the camera in the vicinity of strong electromagnetic fields Avoid electrostatic charging Transport Properly Transport the camera in its original packaging only Do not discard the packaging Clean Properly Avoid cleaning the surface of the camera s sensor if possible If you must clean it use a soft lint free cloth dampened with a small quantity of high quality window cleaner Because electrostatic discharge can damage the sensor you must use a cloth that will not generate static during cleaning cotton is a good choice 14 Basler ace Specifications Requirements and Precautions To clean the surface of the camera housing use a soft dry cloth To remove severe stains use a soft cloth dampened with a small quantity of neutral detergent then wipe dry Do not use solvents or
166. of the Auto Function AOI If necessary set the lower and upper limits for the auto functions s parameter value If necessary set the target value If necessary set the auto function profile to define priorities between auto functions Enable the auto function by setting it to once or continuous For more information about the individual settings see the sections below that describe the individual auto functions Basler ace 139 Standard Features 9 11 2 Gain Auto Gain Auto is an auto function and the automatic counterpart of the manual gain feature When the gain auto function is operational the Gain Raw All parameter value is automatically adjusted within set limits until a target average gray value for the pixel data from Auto Function AOI1 is reached The gain auto function uses Auto Function AOI1 and can be operated in the once and continuous modes of operation If Auto Function AOI1 does not overlap the Image AOI see the Auto Function AOI section the pixel data from Auto Function AOI1 will not be used to control the image brightness Instead the current manual setting of the Gain Raw All parameter value will control the image brightness When the gain auto function is used the exposure auto function can be used at the same time In this case however you must also set the auto function profile feature For more information about gain see Section 9 1 on page 107 For more information about the auto f
167. on Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 The frame trigger wait output signal can be assigned to camera output line 1 For more information about changing which camera output signal is assigned to the output line see Section 8 2 1 on page 96 For more information about the electrical characteristics of the camera s output line see Section 5 7 2 on page 38 64 Basler ace Image Acquisition Control 6 5 Acquisition Timing Chart Figure 31 shows a timing chart for image acquisition and transmission The chart assumes that exposure is triggered by an externally generated frame start trigger ExFSTrig signal with rising edge activation and that the camera is set for the timed exposure mode As Figure 31 shows there is a slight delay between the rise of the ExFSTrig signal and the start of exposure After the exposure time for an image acquisition is complete the camera begins reading out the acquired image data from the CCD sensor into a buffer in the camera When the camera has determined that a sufficient amount of image data has accumulated in the buffer it will begin transmitting the data from the camera to the host PC This buffering technique avoids the need to exactly synchronize the clock used for sensor readout with the data transmission over your Ethernet network The camera will begin transmitting data when it has determined that it can safely do
168. on about the pylon Viewer see Section 3 1 on page 19 Comparing Counter Chunk Data When comparing trigger input counter data and frame counter data related to the same image be aware that the trigger input counter initially starts at 1 whereas the frame counter starts at 0 Therefore the trigger input count will always be ahead of the matching frame count by one if both counters were started at the same time and if an image was acquired for every trigger Whenever the counters restart after having reached 4294967295 they will both start another counting cycle at 0 Accordingly the difference between matching counts will always be one regardless of the number of counting cycles Note that if both counters were started at the same time and not reset since and if the trigger input counter is ahead of the matching frame counter by more than one the camera was overtriggered and not all external triggers resulted in image acquisitions Trigger Input Counter Reset Whenever the camera is powered off the trigger input counter will reset to O During operation you can reset the trigger input counter via I O input 1 or software and you can disable the reset By default the trigger input counter reset is disabled To use the trigger input counter reset Configure the trigger input counter reset by setting the counter selector to Counter1 and setting the counter event source to FrameTrigger Set the counter reset source to Line1 to Software
169. onnector The recommended mating connector is any standard 8 pin RJ 45 plug Cables terminated with screw lock connectors are available from Basler Contact your Basler sales representative to order cable assemblies Suitable cable assemblies are also available from for example Components Express Inc and from the Intercon 1 division of Nortech Systems Inc To ensure that you order cables with the correct connectors note the horizontal orientation of the screws before ordering 5 3 2 6 pin Connector The 6 pin connector on the camera is a Hirose micro receptacle part number HR10A 7R 6PB or the equivalent The recommended mating connector is the Hirose micro plug part number HR10A 7P 6S or the equivalent 26 Basler ace Physical Interface 5 4 Cabling Requirements 5 4 1 Ethernet Cables Use high quality Ethernet cables To avoid EMI the cables must be shielded Use of category 6 or category 7 cables with S STP shielding is strongly recommended As a general rule applications with longer cables or applications in harsh EMI conditions require higher category cables Either a straight through patch or a cross over Ethernet cable can be used to connect the camera directly to a GigE network adapter in a PC or to a network switch Close proximity to strong magnetic fields should be avoided 5 4 2 Standard Power and I O Cable Note O The standard power and I O cable is intended for use if the camera is not connected to
170. onnectors 6 pin ai Receptacle pn RJ 45 Jack Fig 9 Camera Connectors Basler ace 23 Physical Interface 5 2 Connector Pin Assignments and Numbering 5 2 1 6 pin Receptacle Pin Assignments amp Numbering The 6 pin receptacle is used to access the physical input line and physical output line on the camera It is also used to supply power to the camera if PoE is not used The pin assignments for the receptacle are shown in Table 2 Pin Designation 1 12 VDC Camera Power 1 0 Input 1 Not Connected 1 0 Out 1 1 0 Ground 2 3 4 5 6 DC Camera Power Ground Table 2 Pin Assignments for the 6 pin Receptacle The pin numbering for the 6 pin receptacle is as shown in Figure 10 P Fig 10 Pin Numbering for the 6 pin Receptacle 24 Basler ace Physical Interface 5 2 2 RJ 45 Jack Pin Assignments amp Numbering The 8 pin RJ 45 jack provides a Gigabit Ethernet connection to the camera The jack can also be used to provide Power over Ethernet IEEE 802 3af compliant to the camera Pin assignments and pin numbering adhere to the Ethernet standard and IEEE 802 3af Basler ace 25 Physical Interface 5 3 Connector Types 5 3 1 8 pin RJ 45 Jack The 8 pin jack for the camera s Ethernet connection is a standard RJ 45 c
171. onsiderations When Using Binning Increased Response to Light Using binning can greatly increase the camera s response to light When binning is enabled ac quired images may look overexposed If this is the case you can reduce the lens aperture reduce the intensity of your illumination reduce the camera s exposure time setting or reduce the camera s gain setting When using vertical binning the limits for the minimum gain settings are automatically lowered This allows you to use lower gain settings than would otherwise be available For the lowered limits for the minimum gain settings see Section 9 1 on page 107 Reduced Resolution Using binning effectively reduces the resolution of the camera s imaging sensor For example the sensor in the acA640 100gm camera normally has a resolution of 659 H x 494 V If you set this camera to use horizontal binning by 3 and vertical binning by 3 the effective resolution of the sensor is reduced to 219 H by 164 V Note that neither dimension of the sensor was evenly divisible by 3 SO we rounded down to the nearest whole number Possible Image Distortion Objects will only appear undistorted in the image if the numbers of binned lines and columns are equal With all other combinations the imaged objects will appear distorted If for example vertical binning by 2 is combined with horizontal binning by 4 the widths of the imaged objects will appear shrunk by a factor of 2 compar
172. ontinues until the ExFSTrig signal rises Figure 21 illustrates trigger width exposure with the camera set for rising edge triggering Trigger width exposure is especially useful if you intend to vary the length of the exposure time for each captured image ExFSTrig Signal Period a Exposure l4 ExFSTrig Signal Fig 21 Trigger Width Exposure with Rising Edge Triggering a When you operate the camera in trigger width exposure mode you must also set the camera s Exposure Overlap Time Max Abs parameter This parameter setting will be used by the camera to operate the Frame Trigger Wait signal You should set the Exposure Overlap Time Max Abs parameter value to represent the shortest exposure time you intend to use For example assume that you will be using trigger width exposure mode and that you intend to use the ExFSTrig signal to vary the exposure time in a range from 3000 us to 5500 us In this case you would set the camera s Exposure Overlap Time Max Abs parameter to 3000 us For more information about the Frame Trigger Wait signal and the Exposure Overlap Time Max Abs parameter see Section 6 4 on page 59 6 2 3 3 Trigger Delay The trigger delay feature lets you specify a delay in microseconds that will be applied between the receipt of a hardware trigger and it becoming effective The trigger delay may be specified in the range from 0 to 10000000 us equivalent to 10 s When the delay is set to O us no del
173. ore information about the pylon Viewer see Section 3 1 on page 19 148 Basler ace Standard Features 9 13 Event Reporting Event reporting is available on the camera With event reporting the camera can generate an event and transmit it to the PC whenever a specific situation has occurred Currently the camera can generate and transmit an event for three types of situations A frame start overtrigger has occurred An end of exposure has occurred An event overrun has occurred An Example of Event Reporting As an example of how event reporting works assume that frame start overtrigger event reporting has been enabled in the camera Also assume that the camera has received a frame start trigger while it is currently in the process of acquiring a frame In this case 1 An frame start overtrigger event is created The event contains An Event Type Identifier In this case the identifier would show that a frame start overtrigger type event has occurred A Stream Channel Identifier Currently this identifier is always 0 A Timestamp This is a timestamp indicating when the event occurred The time stamp timer starts running at power off on or at camera reset The unit for the timer is ticks where one tick 8 ns The timestamp is a 64 bit value The event is placed in an internal queue in the camera 3 As soon as network transmission time is available the camera will transmit an event message If only one event i
174. our application software by using the pylon API The following code snippet illustrates using the API to set the parameter value Camera ChunkModeActive SetValue true Note that making the chunk mode inactive switches all chunk features off Also note that when you enable ChunkModeActive the PayloadType for the camera changes from Pylon PayloadType Image to Pylon PayloadType_ChunkData For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Once the chunk mode is active and the Extended Image Data feature has been enabled the camera will automatically add an extended image data chunk to each acquired image The extended image data chunk appended to each acquired image contains some basic information about the image The information contained in the chunk includes The X Offset Y Offset Width and Height for the AOI The Pixel Format of the image The Minimum Dynamic Range and the Maximum Dynamic Range To retrieve data from the extended image data chunk appended to an image that has been received by your PC you must first run the image and its appended chunks through the chunk parser 164 Basler ace Chunk Features included in the pylon API Once the chunk parser has been used you can retrieve the extended image data by doing the following Read the value of the Chunk Offse
175. parameter settings Changing the parameters can have a significant negative effect on the performance of the adapter and the driver 192 Basler ace Basler Network Drivers and Parameters Transport Layer Parameters The transport layer parameters are part of the camera s basic GigE implementation These parameters do not normally require adjustment Read Timeout If a register read request is sent to the camera via the transport layer this parameter designates the time out in milliseconds within which a response must be received Write Timeout If a register write request is sent to the camera via the transport layer this parameter designates the time out in milliseconds within which an acknowledge must be received Heartbeat Timeout The GigE Vision standard requires implementation of a heartbeat routine to monitor the connection between the camera and the host PC This parameter sets the heartbeat timeout in milliseconds If a timeout occurs the camera releases the network connection and enters a state that allows reconnection Note O Management of the heartbeat time is normally handled by the Basler s basic GigE implementation and changing this parameter is not required for normal camera operation However if you are debugging an application and you stop at a break point you will have a problem with the heartbeat timer The timer will time out when you stop at a break point and the connection to the camera will be lost
176. pply Install the camera and camera cables as far as possible from devices generating sparks If necessary use additional shielding Decrease the risk of electrostatic discharge by taking the following measures Use conductive materials at the point of installation e g floor workplace Use suitable clothing cotton and shoes Control the humidity in your environment Low humidity can cause ESD problems Installations provides much more detail about avoiding EMI and ESD The application note can be downloaded at www baslerweb com indizes download_index_en_31412 html O The Basler application note called Avoiding EMI and ESD in Basler Camera Basler ace 11 Specifications Requirements and Precautions 1 7 Environmental Requirements 1 7 1 Temperature and Humidity Housing temperature during operation 0 C 50 C 32 F 122 F Humidity during operation 20 80 relative non condensing Storage temperature 20 C 80 C 4 F 176 F Storage humidity 20 80 relative non condensing 1 7 2 Heat Dissipation You must provide sufficient heat dissipation to maintain the temperature of the camera housing at 50 C or less Since each installation is unique Basler does not supply a strictly required technique for proper heat dissipation Instead we provide the following general guidelines In all cases you should monitor the temperature of the camera housing and make sur
177. pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 7 2 Pixel Data Formats for Mono Cameras 7 2 1 Mono 8 Format When a monochrome camera is set for the Mono 8 pixel data format it outputs 8 bits of brightness data per pixel The table below describes how the pixel data for a received frame will be ordered in the image buffer in your PC when the camera is set for Mono8 output The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Byte Data Bo Brightness value for Po B4 Brightness value for P4 B gt Brightness value for P5 Bm 4 Brightness value for Ph 4 B3 Brightness value for P3 Bm 3 Brightness value for P 3 B4 Brightness value for P4 Bm 2 Brightness value for P Bm 1 Brightness value for P Bm Brightness value for Ph With the camera set for Mono8 the pixel data output is 8 bit data of the unsigned char type The available range of data values and the corresponding indicated signal levels are as shown in the table below 72 Basler ace This Data Value Indicates This Signal Level Hexadecimal Decimal OxFF 255 OxFE 254 e 0x01 1 0x00 0 Bas
178. r P2 B Y value for P3 Bg U value for P4 Bo Y value for P4 Bio V Value for P4 B4 Y value for P5 e e e Bm 7 U value for P _3 Bm 6 Y value for P 3 Bm 5 V Value for Pj Bm 4 Y value for Py 2 Bm 3 U value for Ph 1 Bm 2 Y value for Ph 1 Bm 1 V Value for Ph 14 Bm Y value for Ph 88 Basler ace Pixel Data Formats When the camera is set for YUV 4 2 2 Packed output the pixel data output for the Y component is 8 bit data of the unsigned char type The range of data values for the Y component and the corresponding indicated signal levels are shown below This Data Value Hexadecimal Indicates This Signal Level Decimal OxFF 255 OxFE 254 0x01 1 0x00 0 The pixel data output for the U component or the V component is 8 bit data of the straight binary type The range of data values for a U or a V component and the corresponding indicated signal levels are shown below This Data Value Hexadecimal Indicates This Signal Level Decimal OxFF 127 OxFE 126 F n A A 0x81 1 0x80 0 Ox7F 1 n R F i gt 0x01 127 0x00 128 The signal level of a U component or a V component can range from 128 to 127 decimal Notice that the data values have been arranged to represent the full signal level range Basler ace 89 Pixel Data Formats 7 3 6 YUV 4 2 2 YUYV Packed Forma
179. r array The top left corner is designated as column 0 and row 0 as shown in Figure 36 The location and size of an Auto Function AOI is defined by declaring an X offset coordinate a width a Y offset coordinate and a height For example suppose that you specify the X offset as 14 the width as 5 the Y offset as 7 and the height as 6 The area of the array that is bounded by these settings is shown in Figure 36 Only the pixel data from within the area defined by your settings will be used by the related auto function Column 012 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Row 0 Offset co No a A c0 N Auto Function Area of Interest Height Image Area of Interest X Offset Fig 43 Auto Function Area of Interest and Image Area of Interest Basler ace 135 Standard Features Relative Positioning of an Auto Function AOI The size and position of an Auto Function AOI can be but need not be identical to the size and position of the Image AOI Note that the overlap between Auto Function AOI and Image AOI determines whether and to what extent the auto
180. rameter is set to Continuous Frame the camera will automatically begin generating frame start triggers when it receives an Acquisition Start command The camera will continue to generate frame start triggers until it receives an Acquisition Stop command This mode of operation is commonly called free run because the camera will acquire and transmit frames continuously without the need for triggering by the user The rate at which the frame start triggers are generated will be determined by the camera s Acquisition Frame Rate Abs parameter If the parameter is not enabled the camera will generate frame start triggers at the maximum allowed frame rate given the current camera settings If the parameter is enabled and is set to a value less than the maximum allowed frame acquisition rate given the current camera settings the camera will generate frame start triggers at the rate specified by the parameter setting If the parameter is enabled and is set to a value greater than the maximum allowed frame acquisition rate given the current camera settings the camera will generate frame start triggers at the maximum allowed frame rate Basler ace 43 Image Acquisition Control Exposure Time Control with the Frame Start Trigger Off When the frame start trigger mode is set to off the exposure time for each frame acquisition is determined by the value of the camera s Exposure Time Abs parameter For more information about the camera s Exposu
181. re Time Abs parameter see Section 6 2 4 on page 54 6 2 1 2 Frame Start Trigger Mode On When the Frame Start Trigger Mode parameter is set to on you must select a source signal to serve as the frame start trigger The Frame Start Trigger Source parameter specifies the source signal The available selections for the Frame Start Trigger Source parameter are Software When the frame start trigger source is set to software the user triggers frame start by issuing a TriggerSoftware command to the camera from the host PC Line 1 When the line start trigger source is set to line 1 frame acquisition start is triggered by applying an externally generated frame start trigger signal commonly referred to as a hardware trigger signal to physical input line 1 on the camera Note By default input line 1 is selected as the source signal for the Frame Start Trigger For more information about using a software trigger to control frame start see Section 6 2 2 on page 46 For more information about using a hardware trigger to control frame start see Section 6 2 3 on page 49 Exposure Time Control with the Frame Start Trigger Off When the Frame Start Trigger Mode parameter is set to On and the Trigger Source parameter is set to Software the exposure time for each frame acquisition is determined by the value of the camera s Exposure Time Abs parameter When the Frame Start Trigger Mode parameter is set to On and the trigger source is set
182. re tim we plan to use is 1500 us Camera ExposureOverlapTimeMaxAbs SetValue 1500 Prepare for image capture Camera AcquisitionStart Execute Prepare for image acquisition here Camera AcquisitionStart Execute while finished Frame acquisition will start each time the externally generated frame start trigger signal ExFSTrig signal goes high Retrieve the captured images Camera AcquisitionStop Execute For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 53 Image Acquisition Control 6 2 4 The Exposure Time Abs Parameter Several of the camera s image acquisition modes require you to specify an exposure time setting The exposure setting must not be set below a minimum specified value The minimum exposure time setting for each camera model is shown in Table 6 The maximum possible exposure time that can be set is also shown in Table 6 Camera Model Minimum Allowed Maximum Possible Exposure Time Exposure Time acA640 100gm gc 16 us 10000000 us acA1300 30gm gc 22 us 10000000 us Table 6 Minimum Allowed Exposure Time Setting and Maximum Possible Exposure Time Setting The Exposure Time Abs parameter is used
183. re tim xposureTimeAbs SetValue 3000 Prepare for image acquisition here Camera AcquisitionStart Execute while finished Camera TriggerSoftware Execute Retrieve acquired image here Camera AcquisitionStop Execute Basler ace 47 Image Acquisition Control The following code snippet illustrates using the API to check the acquisition status Set the acquisition status selector Camera AcquisitionStatusSelector SetValue AcquisitionStatusSelector FrameTriggerWait Read the acquisition status bool IsWaitingForFrameTrigger Camera AcquisitionStatus GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 48 Basler ace Image Acquisition Control 6 2 3 Using a Hardware Frame Start Trigger 6 2 3 1 Introduction Ifthe camera s Frame Start Trigger Mode parameter is setto On and the Frame Start Trigger source parameter is set to Line 1 an externally generated frame start trigger ExFSTrig signal applied to the camera s physical input line 1 will control image acquisition A rising edge or a falling edge of the ExFSTrig signal can be used to trigger image acquisition The ExFSTrig signal can be periodic or non periodic When the camera i
184. recommend that you read and follow the precautions 1 1 Models The current Basler ace GigE Vision camera models are listed in the top row of the specification tables on the next pages of this manual The camera models are differentiated by their sensor size their maximum frame rate at full resolution and whether the camera s sensor is mono or color Unless otherwise noted the material in this manual applies to all of the camera models listed in the tables Material that only applies to a particular camera model or to a subset of models such as to color cameras only will be so designated Basler ace 1 Specifications Requirements and Precautions 1 2 General Specifications Specification acA640 100gm gc acA1300 30gm gc at full resolution Sensor Size gm 659 x 494 gm 1296 x 966 H x V pixels gc 658 x 492 gc 1294 x 964 Sensor Type Sony ICX618 ALA AQA Sony ICX445 AL AQ Progressive scan CCD Optical Size 1 4 1 3 Pixel Size 5 6 um x 5 6 um 3 75 um x 3 75 um Max Frame Rate 100 fps 30 fps Mono Color All models available in mono or color Data Output Type Fast Ethernet 100 Mbit s or Gigabit Ethernet 1000 Mbit s Pixel Data Formats Mono Models Mono 8 Mono 12 Mono 12 Packed YUV 4 2 2 Packed YUV 4 2 2 YUYV Packed Color Models Mono 8 Bayer BG 12 Packed Bayer BG 8 YUV 4 2 2 Packed Bayer BG 12 YUV 4 2 2 YUYV Packed ADC Bit Depth 12 bits
185. reen value for Py Bo Low byte of red value for P4 B3 High byte of green value for Py B3 High byte of red value for P4 B4 Low byte of blue value for P3 B4 Low byte of green value for P Bs High byte of blue value for P5 Bs High byte of green value for P2 Be Low byte of green value for P3 Be Low byte of red value for P3 B7 High byte of green value for Pz B7 High byte of red value for P3 e e e e e e Bm 7 Low byte of blue value for Ph 3 Bm 7 Low byte of green value for Ph 3 Bm 6 High byte of blue value for P 4 Bm 6 High byte of green value for P 3 Basler ace 83 Pixel Data Formats Bm 5 Low byte of green value for Ph 2 Bm 5 Low byte of red value for P Bm 4 High byte of green value for Ph 2 Bm 4 High byte of red value for P gt Bm 3 Low byte of blue value for Py Bm 3 Low byte of green value for P Bm 2 High byte of blue value for P _4 Bm 2 High byte of green value for P 4 Bm 1 Low byte of green value for P Bm 1 Low byte of red value for Ph Bm High byte of green value for Ph Bm High byte of red value for P When the camera is set for Bayer BG 12 the pixel data output is 16 bit data of the unsigned short little endian type The available range of data values and the corresponding indicated signal levels are as shown in the table below Note that for 16 bit data you might expect a value range from 0x0000 to OxFFFF However with the
186. roughput read only Indicates the actual bandwidth in bytes per second that the camera will use to transmit image data and chunk data given the current area of interest settings chunk feature settings and the pixel format setting If the Acquisition Frame Rate abs parameter has been used to set the camera s frame rate the camera will use this frame rate setting to calculate the device current throughput If software or hardware triggering is being used to control the camera s frame rate the maximum frame rate allowed with the current camera settings will be used to calculate the device current throughput Note that the Device Current Throughput parameter indicates the bandwidth needed to transmit the actual image data and chunk data The Bandwidth Assigned parameter on the other hand indicates the bandwidth needed to transmit image data and chunk data plus the bandwidth reserved for retrys and the bandwidth needed for any overhead such as leaders and trailers Resulting Frame Rate read only Indicates the maximum allowed frame acquisition rate in frames per second given the current camera settings The parameter takes the current area of interest exposure time and bandwidth settings into account If the Acquisition Frame Rate abs parameter has been used to set the camera s frame rate the Resulting Frame Rate parameter will show the Acquisition Frame Rate abs parameter setting If software or hardware triggering is being used
187. s These are packets with a maximum size of 16 kB Once you have determined the maximum size packets the adapter can handle make sure that the adapter is set to use the maximum packet size Next check the documentation for your network switch and determine the maximum packet size that it can handle If there are any settings available for the switch make sure that the switch is set for the largest packet size possible Now that you have set the adapter and switch you can determine the largest packet size the network can handle The device with the smallest maximum packet size determines the maximum allowed packet size for the network For example if the adapter can handle 8 kB packets and the switch can handle 6 kB packets then the maximum for the network is 6 kB packets Once you have determined the maximum packet size for your network set the value of the Packet Size parameter on each camera to this value Tip The manufacturer s documentation sometimes makes it difficult to determine the maximum packet size for a device especially network switches There is a quick and dirty way to check the maximum packet size for your network with its current configuration 1 Open the pylon Viewer select a camera and set the Packet Size param eter to a low value 1 kB for example Use the Continuous Shot mode to capture several images 3 Gradually increase the value of the Packet Size parameter and capture a few images after each size c
188. s torted in the image For more information on possible image distortion due to combined vertical and horizontal binning see below Setting Binning You can enable vertical binning by setting the Binning Vertical parameter Setting the parameter s value to 2 3 or 4 enables vertical binning by 2 vertical binning by 3 or vertical binning by 4 respec tively Setting the parameter s value to 1 disables vertical binning You can enable horizontal binning by setting the Binning Horizontal parameter Setting the param eter s value to 2 3 or 4 enables horizontal binning by 2 horizontal binning by 3 or horizontal bin ning by 4 respectively Setting the parameter s value to 1 disables horizontal binning You can set the Binning Vertical or the Binning Horizontal parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the parameter values Enable vertical binning by 2 Camera BinningVertical SetValue 2 Enable horizontal binning by 4 Camera BinningHorizontal SetValue 4 Disable vertical and horizontal binning Camera BinningVertical SetValue 1 Camera BinningHorizontal SetValue 1 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Basler ace 123 Standard Features 9 7 1 C
189. s a 32 bit value As shown in Figure 48 certain bits in the value are associated with each line and the bits will indicate the state of the lines If a bit is O it indicates that the state of the associated line was low at the time of triggering If a bit is 1 it indicates that the state of the associated line is was high at the time of triggering Indicates output line 1 state Indicates input line 1 state 31 30 29 26 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 e 5 4 32 10 Fig 48 Line Status All Parameter Bits Note The chunk mode must be active before you can enable the line status all feature or any of the other chunk feature Making the chunk mode inactive disables all chunk features To enable the line status all chunk Use the Chunk Selector to select the Line Status All chunk Use the Chunk Enable parameter to set the value of the chunk to true Once the line status all chunk is enabled the camera will add a line status all chunk to each acquired image To retrieve data from a chunk appended to an image that has been received by your PC you must first run the image and its appended chunks through the chunk parser included in the pylon API Once the chunk parser has been used you can retrieve the line status all information by doing the following Read the value of the Chunk Line Status All parameter You can set the Chunk Selector and Chunk Enable parameter value from within your app
190. s in the queue the message will contain the single event If more than one event is in the queue the message will contain multiple events a After the camera sends an event message it waits for an acknowledgement If no acknowledgement is received within a specified timeout the camera will resend the event message If an acknowledgement is still not received the timeout and resend mechanism will repeat until a specified maximum number of retrys is reached If the maximum number of retrys is reached and no acknowledge has been received the message will be dropped During the time that the camera is waiting for an acknowledgement no new event messages can be transmitted The Event Queue As mentioned in the example above the camera has an event queue The intention of the queue is to handle short term delays in the camera s ability to access the network and send event messages When event reporting is working smoothly a single event will be placed in the queue and this event will be sent to the PC in an event message before the next event is placed in queue If there is an occasional short term delay in event message transmission the queue can buffer several events and can send them within a single event message as soon as transmission time is available Basler ace 149 Standard Features However if you are operating the camera at high frame rates and with a small AOI height the camera may be able to generate and queue events faster
191. s operating under control of a ExFSTrig signal the period of the ExFSTrig signal will determine the rate at which the camera is acquiring images 1 Acquisition F Rat ExFSTrig period in seconds x E For example if you are operating a camera with an ExFSTrig signal period of 20 ms 0 020 s 1 Feet TE f 0 020 50 Ps So in this case the acquisition frame rate is 50 fps When you are triggering image acquisition with an ExFSTrig signal you must not acquire images at a rate that exceeds the maximum allowed for the current camera settings For more information about setting the camera for hardware triggering and selecting the input line to receive the ExFSTrig signal see Section 6 2 1 2 on page 44 For more information about determining the maximum allowed acquisition frame rate see Section 6 6 on page 67 Basler ace 49 Image Acquisition Control 6 2 3 2 Exposure Modes If you are triggering exposure start with an externally generated frame start trigger ExFSTrig signal two exposure modes are available timed and trigger width Timed Exposure Mode When timed mode is selected the exposure time for each image is determined by the value of the camera s Exposure Time Abs parameter If the camera is set for rising edge triggering the exposure time starts when the ExFSTrig signal rises If the camera is set for falling edge triggering the exposure time starts when the ExF
192. se the Resend Request Batching parameter is set to 80 referring to a span between the resend request threshold and the front end of the receive window that can hold five packets Figure 50 In this case 4 packets 5 x 80 will fit into the span between the resend request threshold and the resend request batching threshold Accordingly the maximum number of consecutive missing packets that can be batched is 5 4 1 Basler ace 187 Basler Network Drivers and Parameters Timeout Resend Mechanism Parameters The timeout resend mechanism is illustrated in Figure 51 where the following assumptions are made The frame includes 3000 packets Packet 1002 is missing within the stream of packets and has not been recovered Packets 2999 and 3000 are missing at the end of the stream of packets end of the frame The Maximum Number Resend Requests parameter is set to 3 DIAGRAM IS NOT DRAWN TO SCALE 1 2 3 5 7 9 11 12 13 ENEEMEMMNM B i i i e lt 995 996 997 998 e 1001 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 als 2997 2998 Time V 7 4 6 8 10 14 gt Fi g 51 Incomplete Stream of Packets and Part of the Resend Mechanism 1 Stream of packets Gray indicates that the status was checked as the packet entered the receive win
193. selected as an example e exposure auto function and selecting for example the continuous mode of Select the appropriate auto function AOI for luminance statistics Currently AutoFunctionAOISelector AOI1 is predefined to gather luminance statistics Set Camera Camera Camera Camera position and size of the auto function AOI AutoFunctionAOISelector SetValue AutoFunctionAOISelector AOIL AutoFunctionAOIOffsetX SetValue 0 AutoFunctionAOIOffsetY SetValue 0 AutoFunctionAOIWidth SetValue Camera AutoFunctionAOIWidth GetMax Camera AutoFunctionAOIHeight SetValue Camera AutoFunctionAOIHeight GetMax Set Camera Camera Set xposure time limits for luminance control AutoExposureTimeAbsLowerLimit SetValue 1000 AutoExposureTimeAbsUpperLimit SetValue 1 0E6 Camera target value for luminance control AutoTargetValue SetValue 128 Set Camera mode of operation for exposure auto function ExposureAuto SetValue ExposureAuto Continuous For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For general information about auto functions see Section 9 11 on page 133 For information about Auto Function AOls and how to set them see Section 9 11 1 2 on page 135 For i
194. sensor output moves from 0 through 2048 and increases gradually as the digitized sensor output moves from 2049 through 4096 Basler ace 129 Standard Features 4095 12 Bit SUE Camera Output 5648 1024 0 0 1024 2048 3072 4095 12 Bit Digitized Sensor Reading Fig 41 Lookup Table with Values Mapped in a Linear Fashion 4095 3072 12 Bit Camera Output 2048 1024 0 0 1024 2048 3072 4095 12 Bit Digitized Sensor Reading Fig 42 Lookup Table with Values Mapped for Higher Camera Output at Low Sensor Readings 130 Basler ace Standard Features Using the Luminance Lookup Table to Get 8 Bit Output As mentioned above when the camera is set for a pixel format where it outputs 12 bits the lookup table is used to perform a 12 bit to 12 bit conversion But the lookup table can also be used in 12 bit to 8 bit fashion To use the table in 12 bit to 8 bit fashion you enter 12 bit values into the table and enable the table as you normally would But instead of setting the camera for a pixel format that results in a camera output with 12 bits effective you set the camera for a pixel format that results in 8 bit output e g Mono 8 In this situation the camera will first use the values in the table to do a 12 bit to 12 bit conversion It will then drop the 4 least significant bits of the converted value and will transmit the 8 most significant bits Changing the Values in the Luminance Lookup Table and Enabling the Table Yo
195. set them see Section 9 11 1 2 on page 135 Basler ace 141 Standard Features 9 11 3 Exposure Auto Exposure Auto is an auto function and the automatic counterpart to manually setting theExposure Time Abs parameter The exposure auto function automatically adjusts the Exposure Time Abs parameter value within set limits until a target average gray value for the pixel data from Auto Function AOI1 is reached The exposure auto function uses Auto Function AOI1 and can be operated in the once and continuous modes of operation If Auto Function AOI1 does not overlap the Image AOI see the Auto Function AOI section the pixel data from Auto Function AOI1 will not be used to control the image brightness Instead the current manual setting of the Exposure Time Abs parameter value will control the image brightness The exposure auto function is not available when trigger width exposure mode is selected When the exposure auto function is used the gain auto function can be used at the same time In this case however you must also set the auto function profile feature If the Auto Exposure Time Abs Upper Limit parameter is set to a sufficiently high value the camera s frame rate may be decreased For more information the Exposure Time Abs parameter and related limitations see Section 6 5 on page 65 For more information about exposure modes and how to select them see Section 6 2 3 on page 49 For more information
196. sition mode he acquisition mode to single frame cquisitionMode SetValue AcquisitionMode SingleFrame t a trigger to work with riggerSelector SetValue TriggerSelector FrameStart he mode for the selected trigger riggerMode SetValue TriggerMode On he source for the selected trigger riggerSource SetValue TriggerSource Software or the timed exposure mod xposureMode SetValue ExposureMode Timed Camera E Prepa Camera A Camera T Retri h xposure tim xposureTimeAbs SetValue 3000 re for image capture cquisitionStart Execute riggerSoftware Execute eve the captured image The following code snippet illustrates using the API to set the parameter values and execute the commands related to software triggering with the camera set for continuous frame acquisition mode Set t he acquisition mode to continuous frame Camera AcquisitionMode SetValue AcquisitionMode Continuous Selec Camera T Set t Camera Set t m Camera Set f Camera E Set t t a trigger to work with riggerSelector SetValue TriggerSelector FrameStart he mode for the selected trigger riggerMode SetValue TriggerMode On he source for the selected trigger riggerSource SetValue TriggerSource Software or the timed exposure mod xposureMode SetValue ExposureMode Timed Camera E h xposu
197. sler Network Drivers and Parameters Adapter Properties When the Basler Performance driver is installed it adds a set of advanced properties to the network adapter These properties include Max Packet Latency A value in microseconds that defines how long the adapter will wait after it receives a packet before it generates a packet received interrupt Max Receive Inter packet Delay A value in microseconds that defines the maximum amount of time allowed between incoming packets Maximum Interrupts per Second Sets the maximum number of interrupts per second that the adapter will generate Network Address allows the user to specify a MAC address that will override the default address provided by the adapter Packet Buffer Size Sets the size in bytes of the buffers used by the receive descriptors and the transmit descriptors Receive Descriptors Sets the number of descriptors to use in the adapter s receiving ring Transmit Descriptors Sets the number of descriptors to use in the adapter s transmit ring To access the advanced properties for an adapter Open a Network Connections window and find the connection for your network adapter Right click on the name of the connection and select Properties from the drop down menu A LAN Connection Properties window will open Click the Configure button PANES An Adapter Properties window will open Click the Advanced tab Note O We strongly recommend using the default
198. so without over running or under running the buffer This buffering technique is also an important element in achieving the highest possible frame rate with the best image quality The exposure start delay is the amount of time between the point where the trigger signal transitions and the point where exposure actually begins The frame readout time is the amount of time it takes to read out the data for an acquired image from the CCD sensor into the image buffer The frame transmission time is the amount of time it takes to transmit the acquired image from the buffer in the camera to the host PC via the network The transmission start delay is the amount of time between the point where the camera begins reading out the acquired image data from the sensor to the point where it begins transmitting the data for the acquired image from the buffer to the host PC The exposure start delay varies from camera model to camera model The table below shows the exposure start delay for each camera model Camera Model Exposure Start Delay acA640 100gm gc 17 62 us acA1300 30gm gc 34 50 us Table 7 Exposure Start Delays Note that if the debouncer feature is used the debouncer setting for the input line must be added to the exposure start delays shown in Table 7 to determine the total start delay For example assume that you are using an acA640 100 camera and that you have set the cameras for hardware triggering Also assume that
199. stamp chunk is enabled the camera will add a time stamp chunk to each acquired image To retrieve data from a chunk appended to an image that has been received by your PC you must first run the image and its appended chunks through the chunk parser that is included in the pylon API Once the chunk parser has been used you can retrieve the time stamp information by doing the following Read the value of the Chunk Time Stamp parameter You can set the Chunk Selector and Chunk Enable parameter value from within your application software by using the pylon API You can also run the parser and retrieve the chunk data The following code snippets illustrate using the API to activate the chunk mode enable the time stamp chunk run the parser and retrieve the frame counter chunk data make chunk mode active and enable Time Stamp chunk Camera ChunkModeActive SetValue true Camera ChunkSelector SetValue ChunkSelector Timestamp Camera ChunkEnable SetValue true retrieve data from the chunk IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result StreamGrabber RetrieveResult Result ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize int64 t timeStamp Camera ChunkTimestamp GetValue Basler ace 169 Chunk Features For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference
200. t On color cameras the YUV 4 2 2 YUYV packed pixel data format is similar to the YUV 4 2 2 pixel format described in the previous section The only difference is the order of the bytes transmitted to the host PC With the YUV 4 2 2 format the bytes are ordered as specified in the DCAM standard issued by the 1394 Trade Association With the YUV 4 2 2 YUYV format the bytes are ordered to emulate the ordering normally associated with analog frame grabbers and Windows frame buffers The table below describes how the pixel data for a received frame will be ordered in the image buffer in your PC when the camera is set for YUV 4 2 2 YUYV output With this format the Y component is transmitted for each pixel but the U and V components are only transmitted for every second pixel The following standards are used in the table Po the first pixel transmitted by the camera P the last pixel transmitted by the camera Bo the first byte in the buffer Bm the last byte in the buffer Byte Data Bo Y value for Po B4 U value for Po Bo Y value for P4 B3 V value for Po By Y value for P5 Bs U value for P3 Be Y value for P3 B7 V value for P5 Bg Y value for P4 Bg U value for P4 Bio Y value for P5 B4 V value for P4 e Bm 7 Y value for P4 Bm 6 U value for P 3 Bm 5 Y value for P2 Bm 4 V value for Ph 3 Bm 3 Y value for P 4 Bm 2 U value for P
201. t X parameter Read the value of the Chunk Offset Y parameter Read the value of the Chunk Width parameter Read the value of the Chunk Height parameter Read the value of the Chunk Pixel Format parameter Read the value of the Chunk Dynamic Range Min Read the value of the Chunk Dynamic Range Max The following code snippet illustrates using the pylon API to run the parser and retrieve the extended image data retrieve date from th xtended image data chunk IChunkParser amp ChunkParser Camera CreateChunkParser GrabResult Result StreamGrabber RetrieveResult Result ChunkParser AttachBuffer unsigned char Result Buffer Result GetPayloadSize int64 t offsetX Camera ChunkOffsetX GetValue int64 t offsetY Camera ChunkOffsetY GetValue int64 t width Camera ChunkWidth GetValue int64 t height Camera ChunkHeight GetValue int64 Gh oct set er dynamicRangeMin Camera ChunkDynamicRangeMin GetValue int64 t dynamicRangeMax Camera ChunkDynamicRangeMax GetValue ChunkPixelFormatEnums pixelFormat Camera ChunkPixelFormat GetValue For more information about using the chunk parser see the sample code that is included with the Basler pylon Software Development Kit SDK Basler ace 165 Chunk Features 10 3 Frame Counter The Frame Counter feature numbers images sequentially as they are acquired When the feature is enabled a chunk is added to each image
202. t by the camera s sensor are high enough to set bit 8 bit 9 bit 10 or bit 11 to 1 we recommend not using shift by 4 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 4 setting when your pixel readings with a 12 bit pixel format selected and with digital shift disabled are all less than 256 9 4 2 Digital Shift with 8 Bit Pixel Formats No Shift As mentioned in the Functional Description section of this manual the camera uses a 12 bit ADC to digitize the output from the imaging sensor When the camera is set for a pixel format that outputs pixel data at 8 bit effective depth by default the camera drops the 4 least significant bits from the ADC and transmits the 8 most significant bits bit 11 through 4 Shift by 1 When the camera is set to shift by 1 the output from the camera will include bit 10 through bit 3 from the ADC The result of shifting once is that the output of the camera is effectively multiplied by 2 For example assume that the camera is set for no shift that it is viewing a uniform white target and that under these conditions the reading for the brightest pixel is 10 If you changed the digital shift setting to shift by 1 the reading would increase to 20 114 ADC bit bit bit bit bit bit bit bit bit bit bit 109 8 7 6 5 4 3 2 1 O0 Not Shifted ADC bit bit bit bit bit bit bit bit bit bit bit 9 8 7 6 5 4 3 2 1 0
203. t of shifting 3 times is that the output of the camera is effectively multiplied IM L S S Dy D F Shifted Three Times 2 When the camera is set to shift by 3 the 3 least significant bits output from the camera for each pixel value will be 0 This means that the gray value scale will only include every 8th gray value for example 8 16 24 32 and so on If the pixel values being output by the camera s sensor are high enough to set bit 9 bit 10 or bit 11 to 1 we recommend not using shift by 3 If you do nonetheless all bits output from the camera will automatically be set to 1 Therefore you should only use the shift by 3 setting when your pixel readings with a 12 bit pixel format selected and with digital shift disabled are all less than 512 Basler ace 113 Standard Features Shift By 4 When the camera is set to shift by 4 the output from the camera will include bit 7 through bit 0 from the ADC along with 4 ADC bit bit bit bit bit bit bit bit bit bit bit bit zeros as LSBs 11 10 9 7 6 5 4 3 2 1 0 The result of shifting 4 times is that the output of the camera is effectively multiplied by 16 When the camera is set to shift by 4 the 4 least significant bits output from the Um S B l4 Shifted Four Times B camera for each pixel value will be 0 This means that the gray value scale will only include every 16th gray value for example 16 32 48 64 and so on If the pixel values being outpu
204. t value will only be approached For example with a short exposure time insufficient illumination and a low setting for the upper limit of the gain parameter value the Gain Auto function may not be able to achieve the current target average gray value setting for the image only An auto function uses the binned pixel data and controls the image property O You can use an auto function when binning is enabled monochrome cameras of the binned image For more information about binning see Section 9 7 on page 122 Basler ace 133 Standard Features 9 11 1 1 Modes of Operation The following auto function modes of operation are available All auto functions provide the once mode of operation When the once mode of operation is selected the parameter values are automatically adjusted until the related image property reaches the target value After the automatic parameter value adjustment is complete the auto function will automatically be set to off and the new parameter value will be applied to the following images The parameter value can be changed by using the once mode of operation again by using the continuous mode of operation or by manual adjustment Some auto functions also provide a continuous mode of operation where the parameter value is adjusted repeatedly while images are acquired Depending on the current frame rate the automatic adjustments will usually be carried out for every or
205. ter 99 transition threshold 32 33 transmission start delay 65 trigger delay 2 oL tide 51 trigger input counter chunk 167 171 172 POSE i a aT 172 trigger width exposure mode 51 U user configuration set 158 user output selector 97 user output value parameter 97 Basler ace V ventilatiOl zsce oett orte ete 12 vertical DINNING seessss 122 VIG WET e di 19 W Weight nenin Eee etes 3 white balance explained eeeess 111 SCUING ss frien veda enti hee Goes 111 white balance auto see balance white auto write timeout parameter 193 Y YUV 422 YUYV packed pixel A A e POE 78 90 YUV 422 data range 89 YUV 422 packed pixel format 78 87 Basler ace Index 217 Index 218 Basler ace
206. ters and Managing Bandwidth B 2 Managing Bandwidth When Multiple Cameras Share a Single Network Path If you are using a single camera on a GigE network the problem of managing bandwidth is simple The network can easily handle the bandwidth needs of a single camera and no intervention is required A more complicated situation arises if you have multiple cameras connected to a single network adapter as shown in Figure 53 Single Path Fig 53 Multiple Cameras on a Network One way to manage the situation where multiple cameras are sharing a single network path is to make sure that only one of the cameras is acquiring and transmitting images at any given time The data output from a single camera is well within the bandwidth capacity of the single path and you should have no problem with bandwidth in this case If you want to acquire and transmit images from several cameras simultaneously however you must determine the total data output rate for all the cameras that will be operating simultaneously and you must make sure that this total does not exceed the bandwidth of the single path 125 MByte s An easy way to make a quick check of the total data output from the cameras that will operate simultaneously is to read the value of the Bandwidth Assigned parameter for each camera This parameter indicates the camera s gross data output rate in bytes per second with its current settings If the sum of the bandwidth assigned values is less
207. th enabled and are set to the continuous mode of operation During automatic parameter adjustment gain will be kept to a minimum The factory setups are saved in permanent files in the camera s non volatile memory They are not lost when the camera is reset or switched off and they cannot be changed You can select one of the three factory setups to be the camera s default set Instructions for selecting which factory setup will be used as the default set appear below Note that your selection of which factory setup will serve as the default set will not be lost when the camera is reset or switched off When the camera is running the default set can be loaded into the active set The default set can also be designated as the startup set i e the set that will be loaded into the active set whenever the camera is powered on or reset Instructions for loading the default set into the active set and for designating which set will be the startup set appear below Basler ace 157 Standard Features User Set As mentioned above the active configuration set is stored in the camera s volatile memory and the settings are lost if the camera is reset or if power is switched off The camera can save most of the settings from the current active set to a reserved area in the camera s non volatile memory A configuration set that has been saved in the non volatile memory is not lost when the camera is reset or switched off There is one reserved
208. than they can be transmitted and acknowledged In this case 1 The queue will fill and events will be dropped 2 An event overrun will occur 3 Assuming that you have event overrun reporting enabled the camera will generate an event overrun event and place it in the queue 4 As soon as transmission time is available an event message containing the event overrun event will be transmitted to the PC The event overrun event is simply a warning that events are being dropped The notification contains no specific information about how many or which events have been dropped Setting Your System for Event Reporting To use event reporting two conditions must be met Event reporting must be enabled in the camera A pylon event grabber must be created within your application assuming that you are using the pylon API The main purpose of the pylon event grabber is to receive incoming event messages Another purpose of the pylon event grabber is to handle event message acknowledgement The values for the event message timeout and the event message retry count are set via the event grabber An event adapter object of the event grabber can be used to parse the information contained within each event message You can enable event reporting create a pylon event grabber and use the event adapter object from within your application software by using the pylon API The pylon software development kit includes a Camera Events code sample
209. that illustrates the entire process For more detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference 150 Basler ace Standard Features 9 14 Test Images All cameras include the ability to generate test images Test images are used to check the camera s basic functionality and its ability to transmit an image to the host PC Test images can be used for service purposes and for failure diagnostics For test images the image is generated internally by the camera s logic and does not use the optics the imaging sensor or the ADC Six test images are available The Effect of Camera Settings on Test Images When any of the test image is active the camera s analog features such as gain black level and exposure time have no effect on the images transmitted by the camera For test images 1 2 3 and 6 the cameras digital features such as the luminance lookup table will also have no effect on the transmitted images But for test images 4 and 5 the cameras digital features will affect the images transmitted by the camera This makes test images 4 and 5 a good way to check the effect of using a digital feature such as the luminance lookup table Enabling a Test Image The Test Image Selector is used to set the camera to output a test image You can set the value of the Test Image Selector to one of the test images or to test image off You can set the Test Image Selector from wi
210. the driver detects that a packet has been lost during transmission the driver will send a resend request to the camera If the camera still has the packet in its buffer it will resend the packet If there are several lost packets in a row the resend requests will be combined Packet Timeout The Packet Timeout parameter defines how long in milliseconds the filter driver will wait for the next expected packet before it initiates a resend request Frame Retention The Frame Retention parameter sets the timeout in milliseconds for the frame retention timer Whenever the filter driver detects the leader for a frame the frame retention timer starts The timer resets after each packet in the frame is received and will timeout after the last packet is received If the timer times out at any time before the last packet is received the buffer for the frame will be released and will be indicated as an unsuccessful grab You can set the filer driver parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to read and write the parameter values Enable Resend Camera_t StreamGrabber t StreamGrabber Camera GetStreamGrabber 0 StreamGrabber EnableResend SetValue false disable resends Packet Timeout FrameRetention Camera_t StreamGrabber t StreamGrabber Camera GetStreamGrabber 0 StreamGrabber PacketTimeout SetValue 40 StreamGrabber Fr
211. the timed exposure mode you can avoid overtriggering by always making sure that the Frame Trigger Wait signal is high before you trigger the start of frame capture Frame Trigger Wait Signal ExFSTrig Signal The rise ofthe Frame Trigger Wait signal is based on the end of frame readout and on the current Exposure Time Abs parameter setting Image Acquisitipn N Exposure Readout e i a Exp Time Setting Image Acquisition N 1 Exposure Readout gt Exp Time Setting Image Acquisition N 2 Exposure Readout AAA Time Fig 29 Frame Trigger Wait Signal with the Timed Exposure Mode 62 Basler ace Image Acquisition Control When the camera is set for the trigger width exposure mode it calculates the rise of the Frame Trigger Wait signal based on the Exposure Overlap Time Max Abs parameter setting and on when readout of the current frame will end This functionality is illustrated in Figure 30 Frame Trigger Wait Signal ExFSTrig Signal The rise of the Frame Trigger Image Acquisition N E Readout Wait signal is based on the Xposure SESS end of frame readout and on gt the current Exposure Overlap Exp Overlap Time Time Max parameter setting Max Abs Setting Image Acquisition N 1 Exposure Readout LL Exp Overlap Time Max Abs Setting Image Acquisition N 2 Exposure Readout Time Fig
212. thin your application software by using the pylon API The following code snippets illustrate using the API to set the selector set for no test image Camera TestImageSelector SetValue TestImageSelector Off set for the first test image Camera TestImageSelector SetValue TestImageSelector Testimagel For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 Basler ace 151 Standard Features Test Image 1 Fixed Diagonal Gray Gradient 8 bit The 8 bit fixed diagonal gray gradient test image is best suited for use when the camera is set for monochrome 8 bit output The test image consists of fixed diagonal gray gradients ranging from 0 to 255 If the camera is set for 8 bit output and is operating at full resolution test image one will look similar to Figure 45 The mathematical expression for this test image Gray Value column number row number MOD 256 Fig 45 Test Image One Test Image 2 Moving Diagonal Gray Gradient 8 bit The 8 bit moving diagonal gray gradient test image is similar to test image 1 but it is not stationary The image moves by one pixel from right to left whenever a new image acquisition is initiated The test pattern uses a counter that increments by one
213. thinners to clean the housing they can damage the surface finish Read the manual Read the manual carefully before using the camera Basler ace 15 Specifications Requirements and Precautions 16 Basler ace Installation 2 Installation The information you will need to do a quick simple installation of the camera is included in the Ace Quick Installation Guide AWO00xxxxx000 You can download the Quick Installation Guide from the Basler website www baslerweb com indizes download_index_en_19627 html More extensive information about how to perform complicated installations is included in the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 You can download the Installation and Setup Guide for Cameras Used with Basler s pylon API from the Basler website www baslerweb com indizes download index en 19627 html The install and setup guide includes extensive information about how to install both hardware and software and how to begin capturing images It also describes the recommended network adapters describes the recommended architecture for the network to which your camera is attached and deals with the IP configuration of your camera and network adapter After completing your camera installation refer to the Basler Network Drivers and Parameters and Network Related Camera Parameters and Managing Bandwidth sections of this camera User s Manual for information about improving your cam
214. tion Control Situation 2 You have the camera set for the trigger width exposure mode the camera is operating with exposure and sensor readout overlapped and you attempt to end exposure for a new image while pixel data for the previously captured image is still being read out of the sensor This situation is illustrated in Figure 27 for a rising edge frame start trigger signal ExFSTrig Signal Image Acquisition N Exposure Readout Image Acquisition N 1 Exposure Readout eee Ss LU This exposure was ended while the readout i for acquisition N 1 was still in progress The j image will be dropped and a Frame Start Overtrigger event will be generated Exp i Image Acquisition N 3 Exposure Readout Time Fig 27 Overtriggering in Trigger Width Exposure Mode 60 Basler ace Image Acquisition Control The Frame Trigger Wait Signal To help you avoid these overtrigger situations the camera supplies a Frame Trigger Wait output signal This output signal can be assigned to output line 1 on the camera As you are acquiring images the camera automatically calculates the earliest moment that it is safe to trigger each new acquisition The Frame Trigger Wait signal will go high when it is safe to trigger an acquisition will go low when the acquisition has started and will go high again when it is safe to trigger the next acquisition If you base your use of the ExFSTri
215. tion Stop commands from within your application software by using the pylon API The code snippet below illustrates using the API to set the Acquisition Mode parameter value and to issue an Acquisition Start command Note that the snippet also illustrates setting several parameters regarding frame triggering These parameters are discussed later in this chapter Camera Camera Camera Camera Camera Camera Camera Camera AcquisitionMode SetValue AcquisitionMode SingleFrame TriggerSelector SetValu i TriggerSource SetValu ExposureMode SetValue ExposureTimeAbs SetValu TriggerSelector FrameStart PriggerMode SetValue TriggerMode On TriggerSource Linel TriggerActivation SetValue TriggerActivation RisingEdge ExposureMode Timed 3000 AcquisitionStart Execute For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters For more information about the pylon Viewer see Section 3 1 on page 19 42 Basler ace Image Acquisition Control 6 2 Frame Start Triggering The frame start trigger is used to begin image acquisition If the camera s Acquisition Mode parameter has been set to Single Frame and an Acquisition Start command has been executed the camera will begin image acquisition when it receives
216. to Line 1 the exposure time for each frame acquisition can be controlled with the Exposure Time Abs parameter or controlled by manipulating the hardware signal For more information about controlling exposure time when using a software trigger see Section 6 2 2 on page 46 For more information about controlling exposure time when using a hardware trigger see Section 6 2 3 on page 49 44 Basler ace Image Acquisition Control 6 2 1 3 Setting The Frame Start Trigger Mode and Related Parameters You can set the Trigger Mode parameter value from within your application software by using the pylon API If your settings make it necessary you can also set the Trigger Source parameter The following code snippet illustrates using the API to set the Frame Start Trigger Mode to On and the Trigger Source to Line 1 Select a trigger to work with Camera TriggerSelector SetValue TriggerSelector FrameStart Set the mode for the selected trigger m PriggerMode SetValue TriggerMode On Camera Set the source for the selected trigger a Camera TriggerSource SetValue TriggerSource Linel The following code snippet illustrates using the API to set the Frame Start Trigger Mode to Off the Acquisition Mode to Continuous and the Acquisition Frame Rate to 60 Set the acquisition mode to continuous frame Camera AcquisitionMode SetValue AcquisitionMode Continuous Select a trigger to work with
217. to control the camera s frame rate the Resulting Frame Rate parameter will indicate the maximum frame rate allowed given the current camera settings You can read or set the camera s network related parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter values Payload Size int64 t payloadSize Camera PayloadSize GetValue GevStreamChannelSelector Camera GevStreamChannelSelector SetValu GevStreamChannelSelector StreamChannel0 PacketSize Camera GevSCPSPacketSize SetValue 1500 Inter packet Delay Camera GevSCPD SetValue 1000 Frame transmission Delay Camera GevSCFTD SetValue 1000 Bandwidth Reserve Camera GevSCBWR SetValue 10 200 Basler ace Network Related Camera Parameters and Managing Bandwidth Bandwidth Reserve Accumulation Camera GevSCBWRA SetValue 10 Frame Jitter Max int64 t jitterMax Camera GevSCFJM GetValue Device Max Throughput int64 t maxThroughput Camera GevSCDMT GetValue Device Current Throughput int64 t currentThroughput Camera GevSCDCT GetValue Resulting Framerate double resultingFps Camera ResultingFrameRateAbs GetValue Basler ace For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference 201 Network Related Camera Parame
218. to false the resend mechanisms are disabled The performance driver will not check for missing packets and will not send resend requests to the camera If the Enable Resend parameter is set to true the resend mechanisms are enabled The performance driver will check for missing packets Depending on the parameter settings and the resend response the driver will send one or several resend requests to the camera Receive Window Size Sets the size of the receive window Threshold Resend Mechanism Parameters The threshold resend request mechanism is illustrated in Figure 50 where the following assumptions are made Packets 997 998 and 999 are missing from the stream of packets Packet 1002 is missing from the stream of packets DIAGRAM IS NOT DRAWN TO SCALE 3 4 5 6 1 2 985 986 987 988 989 990 991 992 993 994 995 99611000 1001 1003 Es 1006 1007 I gt Time Fig 50 Example of a Receive Window with Resend Request Threshold 8 Resend Request Batching Threshold 1 Front end of the receive window Missing packets are detected here 2 Stream of packets Gray indicates that the status was checked as the packet entered the receive window White indicates that the status has not yet been checked 3 Receive window of the performance driver 4 Threshold for sending resend requests resend req
219. to set the exposure time for any image acquisition modes that require an exposure time setting The Exposure Time Abs parameter sets the exposure time in microseconds The parameter can be set in increments of 1 microsecond You can use the pylon API to set the Exposure Time Abs parameter value from within your application software The following code snippet illustrates using the API to set the parameter value Camera ExposureTimeAbs SetValue 100 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameter For more information about the pylon Viewer see Section 3 1 on page 19 Note The exposure time parameter cannot only be manually set see below but can also be automatically adjusted Exposure Auto is an auto function and the automatic counterpart to manually setting the exposure time The exposure auto function automatically adjusts the Auto Exposure Time Abs parameter value The automatic adjustment is not available when trigger width exposure mode is selected For more information about auto functions see Section 9 11 1 on page 133 For more information about the Exposure Auto function see Section 9 11 3 on page 142 54 Basler ace Image Acquisition Control 6 2 5 The Exposure Active Signal The camera s exposure active ExpAc output signal goes h
220. tream of packets Gray indicates that the status was checked as the packet entered the receive window White indicates that the status has not yet been checked 2 Receive window of the performance driver 3 Threshold for sending resend requests resend request threshold The first resend request for packet 1002 is sent to the camera The camera does not respond with a resend TA Interval defined by the Resend Response Timeout parameter 5 The Resend Timeout interval expires and the second resend request for packet 1002 is sent to the camera The camera does not respond with a resend 6 Interval defined by the Resend Response Timeout parameter 7 The Resend Timeout interval expires and the third resend request for packet 1002 is sent to the camera The camera does not respond with a resend 8 Interval defined by the Resend Response Timeout parameter 190 Basler ace Basler Network Drivers and Parameters 9 Because the maximum number of resend requests has been sent and the last Resend Response Timeout interval has expired packet 1002 is now considered as lost 10 End of the frame 11 Missing packets at the end of the frame 2999 and 3000 12 Interval defined by the Packet Timeout parameter You can set the performance driver parameter values from within your application software by using the pylon API The following code snippet illustrates using the API to read and write the parameter values
221. u can change the values in the luminance lookup table LUT and enable the use of the lookup table by doing the following Use the LUT Selector to select a lookup table Currently there is only one lookup table available i e the luminance lookup table described above Use the LUT Index parameter to select a value in the lookup table The LUT Index parameter selects the value in the table to change The index number for the first value in the table is 0 for the second value in the table is 1 for the third value in the table is 2 and so on Use the LUT Value parameter to set the selected value in the lookup table Use the LUT Index parameter and LUT value parameters to set other table values as desired Use the LUT Enable parameter to enable the table You can set the LUT Selector the LUT Index parameter and the LUT Value parameter from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter values Select the lookup table Camera LUTSelector SetValue LUTSelector Luminance Write a lookup table to the device The following lookup table causes an inversion of the sensor values bright gt dark dark gt bright for int i 0 i lt 4096 i 8 Camera LUTIndex SetValue i Camera LUTValue SetValue 4095 i Enable the lookup table Camera LUTEnable SetValue true For deta
222. u need advice about your camera or if you need assistance troubleshooting a problem with your camera you can contact the Basler technical support team for your area Basler technical support contact information is located in the front pages of this manual You will also find helpful information such as frequently asked questions downloads and application notes on the Basler website at www baslerweb com indizes beitrag_index_en_22089 html If you do decide to contact Basler technical support please take a look at the form that appears on the last two pages of this section before you call Filling out this form will help make sure that you have all of the information the Basler technical support team needs to help you with your problem 11 2 Obtaining an RMA Number Whenever you want to return material to Basler you must request a Return Material Authorization RMA number before sending it back The RMA number must be stated in your delivery documents when you ship your material to us Please be aware that if you return material without an RMA number we reserve the right to reject the material You can find detailed information about how to obtain an RMA number on the Basler website at www baslerweb com beitraege beitrag_en_79701 html Basler ace 179 Troubleshooting and Support 11 3 Before Contacting Basler Technical Support To help you as quickly and efficiently as possible when you have a problem with a Basler camera it is importa
223. uest threshold 5 A separate resend request is sent for each packets 997 998 and 999 6 Threshold for batching resend requests for consecutive missing packets resend request batching threshold Only one resend request will be sent for the consecutive missing packets 186 Basler ace Basler Network Drivers and Parameters Resend Request Threshold This parameter determines the location of the resend request threshold within the receive window as shown in Figure 50 The parameter value is in per cent of the width of the receive window In Figure 50 the resend request threshold is set at 33 33 of the width of the receive window A stream of packets advances packet by packet beyond the resend request threshold i e to the left of the resend request threshold in Figure 50 As soon as the position where a packet is missing advances beyond the resend request threshold a resend request is sent for the missing packet In the example shown in Figure 50 packets 987 to 1005 are within the receive window and packets 997 to 999 and 1002 were detected as missing In the situation shown a resend request is sent to the camera for each of the missing consecutive packets 997 to 999 The resend requests are sent after packet 996 the last packet of the intact sequence of packets has advanced beyond the resend request threshold and before packet 1000 the next packet in the stream of packets can advance beyond the resend request threshold Simi
224. uired for every trigger Whenever the counters restart after having reached 4294967295 they will both start another counting cycle at 0 Accordingly the difference between matching counts will always be one regardless of the number of counting cycles Note that if both counters were started at the same time and not reset since and if the trigger input counter is ahead of the matching frame counter by more than one the camera was overtriggered and not all external triggers resulted in image acquisitions Frame Counter Reset Whenever the camera is powered off the frame counter will reset to 0 During operation you can reset the frame counter via I O input 1 or via software and you can disable the reset By default the frame counter reset is disabled To use the frame counter reset Configure the frame counter reset by setting the counter selector to Counter2 and setting the counter event source to FrameStart Set the counter reset source to Line1 to Software or to Off Execute the command if using software as the counter reset source You can set the frame counter reset parameter values from within your application software by using the pylon API The following code snippets illustrate using the API to configure and set the frame counter reset and to execute a reset via software configure reset of frame counter Camera CounterSelector SetValue CounterSelector Counter2 Camera CounterEventSource SetValue Counter
225. uirements 30 32 precautions eesssssseeeeeeeeneee 13 protection claSS cccccccccconooococococnccncnnnn 8 pylon APl oooooooccccncccccnconnnnnonnnncconccnnncnnninnnos 20 pylon Viewer ssssssessseeeeee 19 R read timeout parameter 193 readout time abs parameter 57 66 receive descriptors sssses 204 receive window seese 185 receive window size parameter 186 reduced resolution 124 resend request batching parameter 187 resend request response timeout Para Mete 20 eee ee eee eeee eee eeeeeeeeeeeeeeeeeees 189 resend request threshold parameter 187 resend timeout parameter 189 response to light sssssssse 124 resulting frame rate parameter 200 return material authorization 179 reverse X explained aif te ets 126 RMA number esseeeess 179 S saving parameter sets 157 159 sensor architecture eseese 22 optical size sesssssssseessesse 2 Zi 1 2 lVDG n pee o 2 sensor height parameter 155 sensor width parameter 155 serial number seeeneeee 14 sets of parameters saving 159 216 software development kit
226. ult set To select which factory setup to serve as the default set Set the Default Set Selector to the Standard Factory Setup High Gain Factory Setup or Auto Functions Factory Setup You can set the Default Set Selector from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector 158 Basler ace Standard Features If you want to select the Standard Factory Setup Camera DefaultSetSelector SetValue DefaultSetSelector Standard If you want to select the High Gain Factory Setup Camera DefaultSetSelector SetValue DefaultSetSelector HighGain If you want to select the Auto Functions Factory Setup Camera DefaultSetSelector SetValue DefaultSetSelector AutoFunctions Note Selecting which factory setup will serve as the default set is only allowed when the camera is idle i e when it is not acquiring images continuously or does not have a single image acquisition pending Selecting the Standard Factory Setup as the default set and then loading the default set into the active set is a good course of action if you have grossly misadjusted the settings in the camera and you are not sure how to recover The standard factory setup is optimized for use in typical situations and will provide good camera performance in most cases 9 16 2 Saving a User Set Saving the current active set into the user set in the camera s non vol
227. ult values The performance driver s parameter values determine how the resend mechanisms act and how they relate to each other You can set the parameter values by using the pylon Viewer or from within your application software by using the pylon API Note O The parameter default values will provide for the following The threshold resend mechanism precedes the timeout resend mechanism This ensures that a resend request is sent for every missing packet even at very high rates of arriving packets The timeout resend mechanism will be effective for those missing packets that were not resent after the first resend request We strongly recommend using the default parameter settings Only users with the necessary expertise should change the default parameter values The Basler performance driver uses a receive window to check the status of packets The check for missing packets is made as packets enter the receive window If a packet arrives from higher in the sequence of packets than expected the preceding skipped packet or packets are detected as missing For example suppose packet n 1 has entered the receive window and is immediately followed by packet n 1 In this case as soon as packet n 1 enters the receive window packet n will be detected as missing Basler ace 185 Basler Network Drivers and Parameters General Parameters Enable Resend Enables the packet resend mechanisms If the Enable Resend parameter is set
228. unction profile feature see Section 9 11 4 on page 144 To use the gain auto function perform the following steps Select Auto Function AOI1 Set the position and size of Auto Function AOI1 Set the lower and upper limits for the Gain Raw All parameter value Set the target average gray value If necessary set the auto function profile OD OF po M cx Enable the gain auto function by setting it to once or continuous You must choose the continuous setting when using the auto function profile The currently settable limits for the Auto Gain Raw parameter value depend on the current pixel data format on the current settings for binning and on whether or not the Gain Raw parameter limits for the manually set gain feature are disabled The target average gray value may range from O black to 255 white when the camera is set for an 8 bit pixel format or from 0 black to 4095 white when the camera is set for a 12 bit pixel format You can carry out steps 1 to 6 from within your application software by using the pylon API The following code snippets illustrate using the API to set the parameter values Selecting and setting Auto Function AOI1 Setting the limits for the Auto Gain Raw parameter value The currently accessible minimum and maximum parameter values are chosen as examples Setting the target average gray value A medium gray value is chosen as an example Enabling the gain auto function and selecting for example
229. ur PC when the camera is set for Bayer BG12 Packed output The following standards are used in the tables Po the first pixel transmitted by the camera for a line P the last pixel transmitted by the camera for a line Bo the first byte of data for a line Bm the last byte of data for a line Even Lines Byte Data Bo Blue value for Po bits 11 4 B4 Green value for P4 bits 3 0 Blue value for Pg bits 3 O B gt Green value for P4 bits 11 4 B3 Blue value for P bits 11 4 Ba Green value for P4 bits 3 0 Blue value for P5 bits 3 0 Bs Green value for P5 bits 11 4 Be Blue value for P4 bits 11 4 B7 Green value for Ps bits 3 0 Blue value for P4 bits 3 0 Bg Green value for Ps bits 11 4 e e Bm 5 Blue value for P5 bits 11 4 Bm 4 Green value for P bits 3 0 Blue value for P5 bits 3 0 Bm 3 Green value for P bits 11 4 Bm 2 Blue value for P 1 bits 11 4 Bm Green value for P bits 3 0 Blue value for P 4 bits 3 0 Bm Green value for P bits 11 4 Basler ace 85 Pixel Data Formats Odd Lines Byte Data Bo Green value for Pg bits 11 4 B4 Red value for P4 bits 3 0 Green value for Pg bits 3 0 Bo Red value for P4 bits 11 4 B3 Green value for P bits 11
230. use the formula you will need to know the current value of the Bandwidth Assigned parameter and the Bandwidth reserve parameter for each camera 100 Bandwidth Reserved Data Bandwidth Assigned Bandwidth Assigned x 100 Step 6 For each camera compare the data bandwidth needed with the data bandwidth assigned For each camera you should now compare the data bandwidth assigned to the camera as determined in step 4 with the bandwidth needed by the camera as determined in step 3 For bandwidth to be used most efficiently the data bandwidth assigned to a camera should be equal to or just slightly greater than the data bandwidth needed by the camera If you find that this is the situation for all of the cameras on the network you can go on to step 6 now If you find a camera that has much more data bandwidth assigned than it needs you should make an adjustment To lower the amount of data bandwidth assigned you must adjust a parameter called the Inter packet Delay If you increase the Inter packet Delay parameter value on a camera the data bandwidth assigned to the camera will decrease So for any camera where you find that the data bandwidth assigned is much greater then the data bandwidth needed you should do this Raise the setting for the Inter packet delay parameter for the camera Recalculate the data bandwidth assigned to the camera Compare the new data bandwidth assigned to the data bandwidth needed Top me Repeat 1
231. ust be constructed with twisted pair wire Use of twisted pair wire is essential to ensure that input signals are correctly received Basler ace 27 Physical Interface Close proximity to strong magnetic fields should be avoided The required 6 pin Hirose plug is available from Basler Basler also offers a cable assembly that is terminated with a 6 pin Hirose plug on one end and unterminated on the other Contact your Basler sales representative to order connectors or cables An incorrect plug can damage the 6 pin connector The plug on the cable that you attach to the camera s 6 pin connector must have 6 female pins Using a plug designed for a smaller or a larger number of pins can damage the connector Hirose HR10A 7P 6S 6 pin Plug A Camera Pwr 4 i vOInt Not Connected 3 1 0 Out 1 m util VO Gnd 5 Camera Pwr Gnd Standard Power and I O Cable Twisted Pair Diagram um am X NAP Gab qub UNE X UNS as Nos WwW 0o Fig 11 Standard Power and I O Cable 28 Basler ace Physical Interface 5 4 3 PLC Power and I O Cable Note O We recommend using a PLC power and I O cable if the camera is connected to a PLC device If power for the I O input is supplied at 24 VDC you can use a PLC power and I O cable when the camera is not connected to a PLC device As with the standard power and I O cable described in the previous section the PLC power and I O cable is a single
232. ut signal and the Exposure Overlap Time Max parameter see Section 6 4 on page 59 For more information about trigger width exposure see Section 6 2 3 2 on page 50 58 Basler ace Image Acquisition Control 6 4 Using the Frame Trigger Wait Signal to Avoid Overtriggering the Camera The Causes of Overtriggering When you are using a hardware trigger to control image acquisition there are two situations that will result in an overtrigger condition Situation 1 You have the camera set for the timed exposure mode and you attempt to start a new exposure while a previously triggered exposure is still in progress This situation is illustrated in Figure 26 for a rising edge frame start trigger signal The figure illustrates the situation with overlapped exposure and readout but this type of overtrigger would still happen even if there was no overlap ExFSTrig Signal Nu Image Acquisition N Because the exposure for acquisition N 2 Exposure Readout is currently in progress this rise in the trigger signal will be ignored and a Frame i d Start Overtrigger event will be generated exposure duration Image Acquisition N 1 determined by the exposure time Exposure Readout parameter Image Acquisition N 2 Exposure Readout Image Acquisition N 3 Exposure Readout Time Fig 26 Overtriggering in Timed Exposure Mode Basler ace 59 Image Acquisi
233. veral parameters that determine how it will use its network connection to transmit data to the host PC The list below describes each parameter and provides basic information about how the parameter is used The following section describes how you can use the parameters to manage the bandwidth used by each camera on your network Payload Size read only Indicates the total size in bytes of the image data plus any chunk data if chunks are enabled that the camera will transmit Packet headers are not included Stream Channel Selector read write The GigE Vision standard specifies a mechanism for establishing several separate stream channels between the camera and the PC This parameter selects the stream channel that will be affected when the other network related parameters are changed Currently the cameras support only one stream channel i e stream channel 0 Packet Size read write As specified in the GigE Vision standard each acquired image will be fit into a data block The block contains three elements a data leader consisting of one packet used to signal the beginning of a data block the data payload consisting of one or more packets containing the actual data for the current block and a data trailer consisting of one packet used to signal the end of the data block Basler ace 195 Network Related Camera Parameters and Managing Bandwidth The packet size parameter sets the size of the packets that the camera will use when
234. via a GUI The tool will detect all Basler GigE cameras attached to your network and let you make changes to a selected camera The IP Configuration Tool is included in Basler s pylon Driver Package You can download the pylon package from the Basler website www baslerweb com beitraege beitrag en 71708 html For more information about using the IP Configuration Tool see the Installation and Setup Guide for Cameras Used with Basler s pylon API AW000611xx000 You can download the guide from the Basler website www baslerweb com indizes download index en 19627 html Basler ace 19 Tools for Changing Camera Parameters 3 3 The pylon API You can access all of the camera s parameters and can control the camera s full functionality from within your application software by using Basler s pylon API The Basler pylon Programmer s Guide and API Reference contains an introduction to the API and includes information about all of the methods and objects included in the API The Basler pylon Software Development Kit SDK includes a set of sample programs that illustrate how to use the pylon API to parameterize and operate the camera These samples include Microsoft Visual Studio solution and project files demonstrating how to set up the build environment to build applications based on the API The SDK is included in Basler s pylon Driver Package You can download the pylon package from the Basler website www baslerweb com beitraege beitra
235. whether the camera will be set for a 12 bit pixel format or for an 8 bit pixel format in your application If you will be using a 12 bit pixel format make this check Use the pylon Viewer or the pylon API to set the camera for a 12 bit pixel format and no digital shift Check the output of the camera under your normal lighting conditions and note the readings for the brightest pixels If any of the readings are above 2048 do not use digital shift If all of the readings are below 2048 you can safely use the shift by 1 setting If all of the readings are below 1024 you can safely use the shift by 1 or 2 settings If all of the readings are below 512 you can safely use the shift by 1 2 or 3 settings If all of the readings are below 256 you can safely use the shift by 1 2 3 or 4 settings If you will be using an 8 bit format make this check Use the pylon Viewer or the pylon API to set the camera for a 8 bit pixel format and no digital shift Check the output of the camera under your normal lighting conditions and note the readings for the brightest pixels If any of the readings are above 128 do not use digital shift If all of the readings are below 128 you can safely use the shift by 1 setting If all of the readings are below 64 you can safely use the shift by 1 or 2 settings If all of the readings are below 32 you can safely use the shift by 1 2 or 3 settings If all of the readings are below 16 you can safely use th
236. widths assigned so that they reflect the lower bandwidth needs You can lower the data bandwidth needed by a camera either by lowering its frame rate or by decreasing the size of the area of interest AOI Once you have adjusted the frame rates and or AOI settings on the cameras you should repeat steps 2 through 6 For more information about the camera s maximum allowed frame transmission rate see Section 6 6 on page 67 For more information about the AOI see Section 9 6 on page 119 208 Basler ace Revision History Revision History Doc ID Number Date Changes AW00089301000 8 Feb 2010 This release is a preliminary version of the document AW00089302000 9 Mar 2010 Indicated that UL certification was in preparation and corrected the camera weight specified in Table 1 on page 2 Corrected the voltages stated in the Voltages outside of specified range can cause damage notice box in Section 1 8 on page 13 The status of this document remains preliminary Basler ace 209 Revision History 210 Basler ace Feedback Feedback Your feedback will help us improve our documentation Please click the link below to access an online feedback form Your input is greatly appreciated http www baslerweb com umfrage survey html Basler ace 211 Feedback 212 Basler ace Index A acquisition status ssessssssse 46 active configuration set 157 AOI
237. y time for timer 1 is set using raw values the delay time will be determined by a combination of two elements The first element is the value of the Timer Delay Raw parameter and the second element is the Timer Delay Time Base The delay time is the product of these two elements Delay Time Timer Delay Raw Parameter Value x Timer Delay Time Base By default the Timer Delay Time Base is fixed at 1 us Typically the delay time is adjusted by setting the Timer Delay Raw parameter value The Timer Delay Raw parameter value can range from 0 to 4095 So if the value is set to 100 for example the timer delay will be 100 x 1 us or 100 us To set the delay for timer 1 Use the Timer Selector to select timer 1 Set the value of the Timer Delay Raw parameter You can set the Timer Selector and the Timer Delay Raw parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to set the selector and the parameter value Camera TimerSelector SetValue TimerSelector Timerl Camera TimerDelayRaw SetValue 100 For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API Reference You can also use the Basler pylon Viewer application to easily set the parameters Changing the Delay Time Base By default the Timer Delay Time Base is fixed at 1 us minimum value and the timer delay is normally adjusted by setting
238. you have selected input line 1 to accept the hardware trigger signal and that you have set the Line Debouncer Time Abs parameter for input line 1 to 5 us In this case Total Start Delay Start Delay from Table 7 Debouncer Setting Total Start Delay 17 62 us 5 us Total Start Delay 22 62 us Basler ace 65 Image Acquisition Control FTWait Signal ExFSTrig Signal Exposure Start Delay lt Exposure Start Delay e Exposure Exposure Exposure Frame N Frame N 1 Frame N 2 Exposure ml a Frame Frame N Readout to the Image Buffer Frame N 1 Readout to the Image Buffer Readout i Transmission Start Delay Pp Transmission Start Delay lt lt gt a gt Frame Frame N Transmission to Host PC Frame N 1 Transmission to Host PC Transmission Timing charts are not drawn to scale Fig 31 Exposure Start Controlled with an ExFSTrig Signal You can determine the readout time by reading the value of the Readout Time Abs parameter The parameter indicates what the readout time will be in microseconds given the camera s current settings You can get the Readout Time Abs parameter value from within your application software by using the pylon API The following code snippet illustrates using the API to get the parameter value double ReadoutTime Camera ReadoutTimeAbs GetValue For detailed information about using the pylon API refer to the Basler pylon Programmer s Guide and API
239. you must follow these guidelines on all camera models The sum of the X Offset setting plus the Width setting must not exceed the width of the camera s sensor For example on the acA640 100 gm the sum of the X Offset setting plus the Width setting must not exceed 659 The sum of the Y Offset setting plus the Height setting must not exceed the height of the camera s sensor For example on the acA640 100 gm the sum of the Y Offset setting plus the Height setting must not exceed 494 On monochrome cameras The X Offset Y Offset Width and Height parameters can be set in increments of 1 On color cameras The X Offset Y Offset Width and Height parameters can be set in increments of 2 and they must be set to an even number For example the X Offset parameter can be set to O 2 4 6 8 etc Note Normally the X Offset Y Offset Width and Height parameter settings refer to the physical columns and rows in the sensor But if binning is enabled these parameters are set in terms of virtual columns and rows For more information see Section 9 7 1 on page 124 120 Basler ace Standard Features You can set the X Offset Y Offset Width and Height parameter values from within your application software by using the pylon API The following code snippets illustrate using the API to get the maximum allowed settings and the increments for the Width and Height parameters They also illustrate setting the X Offset Y Offset Width and H

7.3.3 Bayer BG 12 Format

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