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Manual Photonfocus MV1-D1312-3D02-160

1. 59 wo 50 44 20 ry C i Oc E Q o S S S 3 s be 3 Y Q Al Ma P ome gt gt OME Yy A ti 157 8x M5 eal 26 7 LL 4x M4 L 60 Figure 7 1 Mechanical dimensions of the G2 GigE camera 107 7 Mechanical and Optical Considerations 7 2 Optical Interface 7 2 1 Cleaning the Sensor The sensor is part of the optical path and should be handled like other optical components with extreme care Dust can obscure pixels producing dark patches in the images captured Dust is most visible when the illumination is collimated Dark patches caused by dust or dirt shift position as the angle of illumination changes Dust is normally not visible when the sensor is positioned at the exit port of an integrating sphere where the illumination is diffuse 1 108 The camera should only be cleaned in ESD safe areas by ESD trained personnel using wrist straps Ideally the sensor should be cleaned in a clean environment Otherwise in dusty environments the sensor will immediately become dirty again after cleaning Use a high quality low pressure air duster e g Electrolube EAD400D pure compressed inert gas www electrolube com to blow off loose particles This step alone is usually sufficient to clean the sensor of the most common contaminants Workshop air supply is not appropriate
2. TriggerBkwd TriggerFwdBkwd Figure 4 44 Quad A B Mode 4 6 Trigger and Strobe 67 4 Functionality A B Trigger Debounce A debouncing logic can be enabled by setting ABTriggerDeBounce True It is implemented with a watermark value of the EncoderCounter see Fig 4 45 Suppose ABTriggerDirection fwd then the watermark value is increased with the increments of the EncoderCounter If EncoderCounter decreases e g due to bouncing problems the watermark value is hold unchanged Triggers are then only generated when the watermark value increases A B GrayCounter EncoderCounter Watermark TriggerFwd Bouncing 0 y 1 X 2 3X 2X 3 OY 3 0 K 1 0 K 1 X 2 3X 2X 3 DOE X 5 0 X 1 Y 2 Y 3 X 5 Pl Ml Ml Figure 4 45 A B Trigger Debouncing example with ABMode quad A B Trigger Divider if ABTriggerDivider gt 1 then not all internally generated triggers are applied to the camera logic E g if ABTriggerDivider 2 then every second trigger is applied to the camera see Fig 4 46 de ei B GrayCounter 0 1Y2Y3Y0Y1Y2Y 3 CA A E E y1 CEE E EncoderCounter 0 Y 1Y2Y3Y4Y5Y6Y7 UE E E A Y2 y3 E E InternalTrigge
3. POWER Power Supply 7 DC DC ycc 1 g DC DCH voc 2 0 E a E o DC DC VCC_3 o oO v o O Dg eg g 2 Ji lo a alls E E 4 l E POWER_RETURN E S GND GND O CASE CASE I O and Trigger Interface RX RS422 ISOLATOR ISO_INCO_P i gt 4 SO_INCO_N gt ISO_INC1_P i Soi i D H 3 ISO_INC1_N g 10 g v 5 g 5 YOUR_VCC v ISO_PWR 5 e Mi 2 gl E 9 T i oi g Y L aa oe 2 YOUR_GND a ISO_GND 2 E ISO_INO dl gt y ISO_IN1 ISO_OUTO 3 lt q ISO_OUT1 oe Figure 5 2 Schematic of power and ground connections Camera Electronic 5 4 Power and Ground Connection for GigE G2 Cameras 85 5 Hardware Interface 5 5 Trigger and Strobe Signals for GigE G2 Cameras 5 5 1 Overview The 12 pol Hirose power connector contains two external trigger inputs two strobe outputs and two differential RS 422 inputs All inputs and outputs are connected to the Programmable Logic Controller see also Section 5 6 that offers powerful operations CS The pinout of the power connector is described in Appendix Section A 1 ce IS5O_INCO and ISO_INC1 RS 422 inputs have 10 V to 13 V extended common mode range CS 1SO_OUTO and ISO_OUT1 have different output circuits see also Section c Asuitable trigger breakout cable for the Hirose 12 pol connector can be ordered from your Photonfocus dealership A Do NOT connect ISO_GND IO RET to camera ground A
4. internal shutter control t trigger offset t exposure Co A Y e eS trigger for strobe control t strobe delay internal strobe control ie t strobe offset strobe duration external strobe pulse output t d iso output Figure 4 40 Timing diagram for the Pulsewidth controlled exposure time 62 The timing of the rising edge of the trigger pulse until to the start of exposure and strobe is equal to the timing of the camera controlled exposure time see Section 4 6 3 In this mode however the end of the exposure is controlled by the falling edge of the trigger Pulsewidth The falling edge of the trigger pulse is delayed by the time ta_iso input Which is results from the signal isolator This signal is clocked into the FPGA which leads to a jitter of tjitter The pulse is then delayed by ttrigger delay by the user defined value which can be configured via camera software After the trigger offset time tirigger offset the exposure is stopped 4 6 4 Trigger Delay The trigger delay is a programmable delay in milliseconds between the incoming trigger edge and the start of the exposure This feature may be required to synchronize the external strobe with the exposure of the camera 4 6 5 Burst Trigger The camera includes a burst trigger engine When enabled it starts a predefined number of acquisitions after one single trigger pulse The time between two acquisi
5. frame time Figure 4 22 Timing in free running simultaneous readout mode readout time gt exposure time When the acquisition of an image needs to be synchronised to an external event an external trigger can be used refer to Section 4 6 In this mode the camera is idle until it gets a signal to capture an image 4 4 Image Acquisition 47 4 Functionality exposure n 1 exposure n exposure n 1 idle read out n 1 idle read out n frame time Figure 4 23 Timing in free running simultaneous readout mode readout time lt exposure time exposure n lt idle X_ exposure n 1 idle gt Readoutn 1 idle gt Readout n idle gt Readout n 1 5 external trigger y y D earliest possible trigger Figure 4 24 Timing in triggered simultaneous readout mode 4 4 2 Readout Timing Sequential readout timing By default the camera is in free running mode and delivers images without any external control signals The sensor is operated in sequential readout mode which means that the sensor is read out after the exposure time Then the sensor is reset a new exposure starts and the readout of the image information begins again The data is output on the rising edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER indicates the active exposure period of the sensor and is shown for clarity only Simultaneous readout timing To achieve highest possi
6. In the camera default settings the PLC is configured to connect the ISO_INC RS 422 inputs to the A B camera inputs This setting is listed in Section 6 12 3 The following parameters control the A B Trigger feature TriggerSource Set TriggerSource to ABTrigger to enable this feature ABMode Determines how many triggers should be generated Available modes single double quad see description below ABTriggerDirection Determines in which direction a trigger should be generated fwd only forward movement generates a trigger bkwd only backward movement generates a trigger fwdBkwd forward and backward movement generate a trigger ABTriggerDeBounce Suppresses the generation of triggers when the A B signal bounce ABTriggerDeBounce is ignored when ABTriggerDirection fwdbkwd ABTriggerDivider Specifies a division factor for the trigger pulses Value 1 means that all internal triggers should be applied to the camera value 2 means that every second internal trigger is applied to the camera EncoderPosition read only Counter signed integer that corresponds to the position of incremental encoder The counter frequency depends on the ABMode It counts up down pulses independent of the ABTriggerDirection Writing to this property resets the counter to 0 A B Mode The property ABMode takes one of the following three values Single A trigger is generated on every A B sequence see Fig 4 42 TriggerFwd is the trigger that would be appli
7. Driver Resources General Link Speed Advanced 1 n tel Advanced Adapter Settings Settings Value o EE Slave Mode EEES v Locally Administered Address Log Link State Event Performance Options QoS Packet Tagging Ls TCP IP Offloading Options Wait for Link sii Use Default Jumbo Frames Enables Jumbo Frame capability for TCP IP packets In situations where large packets make up the majority of traffic and additional latency can be tolerated Jumbo Frames can reduce CPU utilization and improve wire efficiency Jumbo Frames are larger than standard Ethernet frames which are approximately 1 5k in size Note Changing this setting may cause a momentary loss of connectivity v Figure 2 6 Advanced Network Adapter Properties 2 4 Network Adapter Configuration 15 2 How to get started 3D GigE G2 4 No firewall should be active on the network adapter where the Photonfocus GigE camera is connected If the Windows Firewall is used then it can be switched off like this Open the Windows Firewall configuration Start gt Control Panel gt Network and Internet Connections gt Windows Firewall and click on the Advanced tab Uncheck the network where your camera is connected in the Network Connection Settings see Fig 2 7 Windows Firewall General Exceptions Advanced Network Connection Settings Windows Firewall is enabled for the connections selected below To add ex
8. activates an interrupt in the GigE software which will issue a high CPU load or the frame rate can not be handled at all by an overload of interrupts To solve this issue the FrameCombine mode has been implemented in the MV1 D1312 3D02 camera In this mode the data of f images are bundled into one frame The value f FrameCombineNrFrames can be set by the user The PF 3D Suite supports this mode An example of FrameCombineNrFrames 4 is shown in Fig Aborting Frame Combine There exist possibilities to transmit the combined frame even if there is not enough data to fill it E g it can be desirable to get the 3D data immediately after an item on the conveyor belt has passed FrameCombineTimeout A timeout can be specified after which the combined frame will be transmitted regardless if there was enough data to fill it The timeout counter is reset after each frame and counts until a new trigger has been detected or until the timeout is reached CS A FrameCombineTimeout value of 0 disables the FrameCombine timeout fea ture FrameCombineAbort The transmission of the combined frame is forced by writing to the FrameCombineAbort property When the FrameCombine is aborted then the remaining data in the combined frame will be filled with filler data the first two pixels of every filler row have the values OxBB decimal 187 and 0x44 decimal 68 The remaining pixels of the filler rows have the value 0 CS The FrameCombine mode is only
9. g 80 F Ti 940 7 T1 960 2 60 T1 980 4 5 T1 1000 O 40 E i SSE REA ES BAG SBE REE EA SDR EEE SBE EERE BEE BAGG SBE BEG EE BRR CGN Me GO E Be Bo be in Gin RR Ge be BOE OG ee icy RN 20 ied AAA nt Be Bese hg bs hah ty BE E E a ce Se soca ae Tada Besa PTGS WS heat Baad dhl DR INE BE Se fae TGS GANA Te ade AA Be Rita ade Che GY BS chy ale ea Gre a BSE 0 Illumination Intensity Figure 4 33 Response curve for different LinLog settings in LinLog2 mode LinLog3 To enable more flexibility the LinLog3 mode with 4 parameters was introduced Fig 4 34 shows the timing diagram for the LinLog3 mode and the control parameters V LinLog Value1 Value2 Value3 Constant 0 Figure 4 34 Voltage switching in the LinLog3 mode 4 5 Pixel Response 55 4 Functionality Output grey level 8 bit DN 300 Typical LinLog2 Response Curve Varying Parameter Time2 Time1 850 Value1 19 Value2 18 250 200 150 100 50 Illumination Intensity Figure 4 35 Response curve for different LinLog settings in LinLog3 mode 56 T2 950 T2 960 T2 970 T2 980 T2 990 4 6 Trigger and Strobe 4 6 1 Trigger Source The trigger signal can be configured to be active high or active low by the TriggerActivation category AcquisitionControl property One of the following trigger sources can be used Free running The trigger is generated internally by the camera Exposure s
10. 4 6 shows the WidthMap of a wood plank Laser line height The laser line height is the highest grey value of the detected laser line If there are no pixels inside the laser line that have a grey level above 2 threshold then the height is set to threshold In this case the threshold value should be changed The value of the threshold should be set slightly above the grey level of the lt gt image background However the value 2 threshold should be smaller than the highest grey level inside the laser line otherwise the laser line width and height are not correctly calculated Peak coordinate Intensity Gaussian shaped laser line Height 2 Threshold Width Threshold y direction Figure 4 5 Schematic of laser line 32 Figure 4 6 WidthMap of a wood plank 4 2 4 Interpolation Technique Structured light based systems crucially rely on an accurate determination of the peak position of the Gaussian shaped laser line The Peak Detector algorithm in the MV1 D1312 3D02 camera applies nonlinear interpolation techniques where 64 data points are calculated between two pixels within the Gaussian shaped laser line This technique is superior to other commonly used detection techniques such as the detection of peak pixel intensity across the laser line resulting in pixel accuracy or the thresholding of the Gaussian and calculation of the average resulting in subpixel accuracy The nonlinear interpolation techniqu
11. Acqui si ti onStart is executed Camera is in free running mode Acquisition can be stopped by executing AcquisitionStop command Continuous On Camera is ready to accept triggers according to the TriggerSource property Acquisition and trigger acceptance can be stopped by executing AcquisitionStop command SingleFrame SingleFrame MultiFrame Camera acquires one frame and acquisition stops Camera is ready to accept one trigger according to the TriggerSource property Acquisition and trigger acceptance is stopped after one trigger has been accepted Camera acquires n AcquisitionFrameCount frames and acquisition stops MultiFrame Camera is ready to accept n AcquisitionFrameCount triggers according to the TriggerSource property Acquisition and trigger acceptance is stopped after n triggers have been accepted SingleFrameRecording SingleFrameRecording SingleFrameReadout ContinuousRecording don t care Off Camera saves one image on the onboard memory of the IP engine Camera is ready to accept one trigger according to the TriggerSource property Trigger acceptance is stopped after one trigger has been accepted and image is saved on the onboard memory of the IP engine One image is acquired from the IP engine s onboard memory The image must have been saved in the SingleFrameRecording mode Camera saves images on the onboard memory of the IP engine until the memory is full Contin
12. Do NOT connect ISO_PWR to camera power Fig 5 3 shows the schematic of the inputs and outputs All inputs and outputs are isolated 86 12 pol Hirose Connector RX RS422 ISO_INCO_P Camera ISOLATOR ISO_INCO_N 10V to 13V extended ISO_INC1_P Common Mode Range 11 10 ISO_INC1_N MAX3098 ia ISO_INO enhanced 10k IH Power FET 4 7V ISO_GND ISO_GND ISO_VCC 10k al ISO_IN1 le enhanced Power FET kan GND ISO_GND ISO_PWR tO ISO_OUTO PTC aed As Max 30V is Max 0 5A Power Max 0 5W MOSFET ISO_GND ISO_OUT1 PTE SS TOPNE Max 30V Max 0 5A Power Max 0 5W MOSFET ISO_GND ISO_GND Isolated Interface Camera Electronic Figure 5 3 Schematic of inputs and output 5 5 Trigger and Strobe Signals for GigE G2 Cameras 87 5 Hardware Interface 5 5 2 Single ended Inputs ISO_INO and ISO_IN1 are single ended isolated inputs The input circuit of both inputs is identical see Fig 5 3 Fig 5 4 shows a direct connection to the ISO_IN inputs In the camera default settings the PLC is configured to connect the ISO_INO to the PLC_Q4 camera trigger input This setting is listed in Section 6 12 2 12 pol Hirose Connector Camera ISO_VCC A Input Voltage Max 30V DC 10k 1 J 7 ISO_INO enhanced le H Power FET i L E YOUR_GND YOUR_GND ISO_GND ISO_GND
13. ISO_GND Figure 5 4 Direct connection to ISO_IN Fig 5 5 shows how to connect ISO_IN to TTL logic output device Control Logic 12 pol Hirose Camera Connector ISO_VCC YOUR_VCC F i ee 10k amp 7 ISO_INO 5 enhanced 12 l Power FET 4 7V YOUR_GND YOUR_GND ISO_GND ISO_GND ISO_GND Figure 5 5 Connection to ISO_IN from a TTL logic device 88 5 5 3 Single ended Outputs ISO_OUTO and ISO_OUT1 are single ended isolated outputs ISO_OUTO and ISO_OUT1 have different output circuits ISO_OUT1 doesn t have D gt a pullup resistor and can be used as additional Strobe out by adding Pull up or as controllable switch Maximal ratings that must not be exceeded voltage 30 V current 0 5 A power 0 5 W Fig 5 6 shows the connection from the ISO_OUTO output to a TTL logic device 12 pol Hirose Camera Connector Control Logic ISO_PWR ISO_PWR YOUR_PWR YOUR_VCC 5 a ii ISO_OUTO 3 Dg amp le _ kh Power 12 MOSFET ISO_GND ISO_GND YOUR_GND YOUR_GND Figure 5 6 Connection example to ISO_OUTO Fig 5 7 shows the connection from ISO_OUT1 to a TTL logic device 12 pol Hirose Control Logic Camera Connector YOUR_VCC YOUR_VCC TC 4k7 ISO_OUT1 8 So 8 Al Is Power MOSFET ISO_GND ISO_GND YOUR_GND YOUR_GND Figure 5 7 Connection from the ISO_OUT1 output to a TTL logic device 5 5 Tr
14. Tips SWABS Q tips Hans J Michael GmbH www hjm reinraum de BB 003 Germany Large Q Tips SWABS Q tips Hans J Michael GmbH CA 003 Germany Point Slim HUBY 340 Q tips Hans J Michael GmbH Germany Methanol Fluid Johnson Matthey GmbH Semiconductor Grade Germany 99 9 min Assay Merck 12 6024 UN1230 slightly flammable and poisonous www alfa chemcat com 2 Propanol Fluid Johnson Matthey GmbH Semiconductor Grade 99 5 min Assay Merck 12 5227 UN1219 slightly flammable www alfa chemcat com For cleaning the sensor Photonfocus recommends the products available from the suppliers as listed in Table 7 1 D 7 2 Optical Interface Cleaning tools except chemicals can be purchased directly from Photonfocus www photonfocus com 109 7 Mechanical and Optical Considerations 7 3 CE compliance The Photonfocus camera MV1 D1312 3D02 160 G2 8 is in compliance with the below mentioned standards according to the provisions of European Standards Directives e EN 61 000 6 3 2001 e EN 61 000 6 2 2001 e EN 61000 4 6 1996 e EN 61000 4 4 1996 e EN 61000 4 3 1996 e EN 61000 4 2 1995 e EN 55022 1994 110 Warranty The manufacturer alone reserves the right to recognize warranty claims 8 1 Warranty Terms The manufacturer warrants to distributor and end customer that for a period of two years from the date of the shipment from manufacturer or distributor to end customer the Warranty Period t
15. XP Vista Windows 7 e A Gigabit Ethernet network interface card NIC must be installed in the PC The NIC should support jumbo frames of at least 9014 bytes In this guide the Intel PRO 1000 GT desktop adapter is used The descriptions in the following chapters assume that such a network interface card NIC is installed The latest drivers for this NIC must be installed Photonfocus GigE camera Suitable power supply for the camera see in the camera manual for specification which can be ordered from your Photonfocus dealership GigE cable of at least Cat 5E or 6 S Photonfocus GigE cameras can also be used under Linux Photonfocus GigE cameras work also with network adapters other than the Intel PRO 1000 GT The GigE network adapter should support Jumbo frames 2 How to get started 3D GigE G2 Do not bend GigE cables too much Excess stress on the cable results in transmis A sion errors In robots applications the stress that is applied to the GigE cable is especially high due to the fast movement of the robot arm For such applications special drag chain capable cables are available The following list describes the connection of the camera to the PC see in the camera manual for more information 1 Remove the Photonfocus GigE camera from its packaging Please make sure the following items are included with your camera e Power supply connector e Camera body cap If any items are missing or damage
16. an external strobe output Fig 4 39 shows the detailed timing diagram for the external trigger mode with camera controlled exposure time De external trigger pulse input trigger after isolator d iso input trigger pulse internal camera control l delayed trigger for shutter control t trigger delay internal shutter control gt oct t exposure delayed trigger for strobe control cr strobe delay internal strobe control le ie er le CS cobeeduration o O external strobe pulse output gt Lijjeocoutput Figure 4 39 Timing diagram for the camera controlled exposure time The rising edge of the trigger signal is detected in the camera control electronic which is implemented in an FPGA Before the trigger signal reaches the FPGA it is isolated from the 4 6 Trigger and Strobe 61 4 Functionality camera environment to allow robust integration of the camera into the vision system In the signal isolator the trigger signal is delayed by time ta_ so input This signal is clocked into the FPGA which leads to a jitter of titer The pulse can be delayed by the time tirigger delay Which can be configured by a user defined value via camera software The trigger offset delay ttrigger offset results then from the synchronous design of the FPGA state machines The exposure time texposure is controlled with an internal exposure time controller The trigger pulse from the interna
17. corrected see Fig 4 49 The peak in the histogram should be well below the hot pixel threshold of 1008 DN 12 bit e Camera settings may influence the grey level Therefore for best results the camera settings of the black reference image must be identical with the camera settings of the image to be corrected Histogram of the uncorrected black reference image T T T T T T black level offset ok black level offset too low Relative number of pixels 600 800 1000 Grey level 12 Bit DN 1200 1400 1600 Figure 4 49 Histogram of a proper black reference image for offset correction 72 Hot pixel correction Every pixel that exceeds a certain threshold in the black reference image is marked as a hot pixel If the hot pixel correction is switched on the camera replaces the value of a hot pixel by an average of its neighbour pixels see Fig vy hot EN p Pra Pret pixel n 2 Pr Pr Ph Figure 4 50 Hot pixel interpolation 4 8 3 Gain Correction The gain correction is based on a grey reference image which is taken at uniform illumination to give an image with a mid grey level Gain correction is not a trivial feature The quality of the grey reference image is crucial for proper gain correction Gain correction algorithm After configuring the camera with a black and grey reference image the camera is ready to apply the gain correction Deter
18. in this case 8 128 16 The highest gray value inside the laser line is between 2048 8 256 and 2303 8 256 255 0 12 bit resolution 3D a D ipti row 77e15 413 21110 escription 0 PEAK 15 8 Peak detector laser line coordinate 1 PEAK 7 0 PEAK 15 6 integer part PEAK 5 0 fractional part 2 0 0 LL_WIDTH 5 0 LL_WIDTH laser line width 3 LL_HEIGHT S 0 STAT LL_HEIGHT 4 MSB of the highest grey value inside the laser line STAT Status information Figure 4 9 3D data format 4 2 7 Transmitted data in 2D8 3D mode The transmitted image in 2D amp 3D mode is shown in Fig 4 10 The image from the laser peak detector scan area is transmitted first and the 4 rows with 3D data are then appended Resulting height in 2D amp 3D mode is Window_H 4 0 Width 0 2D image Window_H 4 Figure 4 10 Transmitted image in 2D amp 3D mode 4 2 8 Transmitted data in 3Donly mode In 3Donly mode only the 3D data is transmitted The FrameCombine feature see Section 4 2 9 was added to lower the transmitted frame rate For FrameCombine f the data for f images are combined into one image Resulting height in 3Donly mode is therefore 4 f 36 Width v Figure 4 11 Transmitted image in 3Donly mode with FrameCombine 4 4 2 9 Frame Combine Very high frame rates that are well over 1000 fps can be achieved in the 3Donly mode Every frame image
19. of camera electronics and CMOS image sensors Photonfocus is ISO 9001 certified All products are produced with the latest techniques in order to ensure the highest degree of quality 1 2 Contact Photonfocus AG Bahnhofplatz 10 CH 8853 Lachen SZ Switzerland Sales Phone 41 55 451 00 00 Email sales photonfocus com Phone 41 55 451 00 00 Email support photonfocus com Table 1 1 Photonfocus Contact 1 3 Sales Offices Photonfocus products are available through an extensive international distribution network and through our key account managers Details of the distributor nearest you and contacts to our key account managers can be found at www photonfocus com 1 4 Further information Photonfocus reserves the right to make changes to its products and documenta C tion without notice Photonfocus products are neither intended nor certified for use in life support systems or in other critical systems The use of Photonfocus products in such applications is prohibited Photonfocus is a trademark and LinLog is a registered trademark of Photonfo CS cus AG CameraLink and GigE Vision are a registered mark of the Automated Imaging Association Product and company names mentioned herein are trade marks or trade names of their respective companies 1 Preface gt Reproduction of this manual in whole or in part by any means is prohibited without prior permission having been obtained from Photonfocus AG CS P
20. using standard switching power supplies although well regulated linear power supplies provide optimum performance It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage the camera SE Asuitable power supply can be ordered from your Photonfocus dealership For further details including the pinout please refer to Appendix A 83 5 Hardware Interface 5 3 Status Indicator GigE cameras A dual color LED on the back of the camera gives information about the current status of the GigE CMOS cameras LED Green Green when an image is output At slow frame rates the LED blinks with the FVAL signal At high frame rates the LED changes to an apparently continuous green light with intensity proportional to the ratio of readout time over frame time LED Red Red indicates an active serial communication with the camera Table 5 1 Meaning of the LED of the GigE CMOS cameras 5 4 Power and Ground Connection for GigE G2 Cameras The interface electronics is isolated from the camera electronics and the power supply including the line filters and camera case Fig 5 2 shows a schematic of the power and ground connections A Do NOT connect ISO_GND IO RET to camera ground A Do NOT connect ISO_PWR to camera power 84 Camera Internal Power Supply
21. 0 Real time counter time stamp see also Section 4 11 1 STAT 87 64 ENC_POS 23 0 Encoder position see also Section STAT 103 96 M_TRIG 7 0 Missed trigger counter see also Section 4 11 1 STAT 135 128 M_BURST_TRIG 7 0 Missed burst trigger counter see also Section STAT 167 160 M_FC_TRIG 7 0 Missed FrameCombine trigger counter see also Section Table 4 12 Status fields 4 12 3D Test image A 3D test image which resembles a moving laser line see Fig 4 55 can be enabled by the property PDTestImage_Enable in category PeakDetector This can be used for software debugging 4 13 2D Test Images 2D Test images are generated in the camera FPGA independent of the image sensor They can be used to check the transmission path from the camera to the frame grabber Independent from the configured grey level resolution every possible grey level appears the same number of times in a test image Therefore the histogram of the received image must be flat A test image is a useful tool to find data transmission errors that are caused most gt often by a defective cable between camera and frame grabber in CameraLink cameras In Gigabit Ethernet cameras test images are mostly useful to test the grabbing software O The analysis of the test images with a histogram tool gives the correct result at a resolution of 1024 x 1024 pixels only 4 12 3D Test image 79 4 Functionality Figure 4 55 3D test image 4 13 1 Ramp Dep
22. 4 Variable3 Zero lt PLC gt LookupTable Q4 Settings for IPEngine ProgrammableLogicController 102 ISO_INO to PLC_Q4 Camera Trigger 6 12 3 PLC Settings for A B Trigger from differential inputs This settings connects the ISO_INC RS 422 inputs to the A B camera inputs ISO_INCO is mapped to the A signal and ISO_INC1 to the B signal see 6 3 the visibility in the PF_GEVPlayer must be set to Guru for this purpose Feature Value Category TriggerMode On AcquisitionControl TriggerSource ABTrigger AcquisitionControl PLC_12 Line2 lt PLC gt SignalRoutingBlock PLC_13 lt PLC gt SignalRoutingBlock PLC_Q6_VariableO lt PLC gt LookupTable Q6 PLC_Q6 _OperatorO Or lt PLC gt LookupTable Q6 PLC_Q6_Variable1 Zero lt PLC gt LookupTable Q6 PLC_Q6_Operator1 Or lt PLC gt LookupTable Q6 PLC_Q6_Variable2 lt PLC gt LookupTable Q6 PLC_Q6 Operator2 Or lt PLC gt LookupTable Q6 PLC_Q6_Variable3 lt PLC gt LookupTable Q6 PLC_Q7_VariableO lt PLC gt LookupTable Q7 PLC_Q7_OperatorO Or lt PLC gt LookupTable Q7 PLC_Q7_Variable1 lt PLC gt LookupTable Q7 PLC_Q7_Operator1 Or lt PLC gt LookupTable Q7 PLC_Q7_Variable2 Zero lt PLC gt LookupTable Q7 PLC_Q7_Operator2 Or lt PLC gt LookupTable Q7 PLC_Q7_Variable3 Zero lt PLC gt LookupTable Q7 Table 6 3 PLC Settings for AIB Trigger from differential inputs lt PLC gt in category IPEngine ProgrammableLogicCont
23. 55 255 0 0 Default Gateway GigE Vision Device IP Configuration MAC Address D0 11 1c F5 a0 1c IP Address 169 254 209 150 Subnet Mask 255 255 0 0 Default Gateway Figure 2 12 Setting IP address 5 Finish the configuration process and connect the camera to PF_GEVPlayer GEVPlayer DER Ele Tools Help Connection Select Connect TP address MAC address Manufacturer rotor 1622 Model Name Acquisition Control Mode Continuous Channel Data Channel 0 gt Play Parameters and Controls Communication control GEV Device control Image stream control Figure 2 13 PF_GEVPlayer is readily configured 6 The camera is now connected to the PF_GEVPlayer Click on the Play button to grab images An additional check box DR1 appears for DR1 cameras The camera is in dou E ble rate mode if this check box is checked The demodulation is done in the PF_GEVPlayer software If the check box is not checked then the camera out puts an unmodulated image and the frame rate will be lower than in double rate mode 20 If no images can be grabbed close the PF_GEVPlayer and adjust the Jumbo Frame parameter see Section 2 3 to a lower value and try again GEVPlayer File Tools Help Connection Display Disconnect IP address MAC address Manufacturer Model Name Acquisition Control
24. Acquisition 51 4 Functionality 4 5 Pixel Response 4 5 1 Linear Response The camera offers a linear response between input light signal and output grey level This can be modified by the use of LinLog as described in the following sections In addition a linear digital gain may be applied as follows Please see Table 3 2 for more model dependent information Black Level Adjustment The black level is the average image value at no light intensity It can be adjusted by the software Thus the overall image gets brighter or darker Use a histogram to control the settings of the black level In CameraLink cameras the black level is called BlackLevelOffset and in GigE cameras BlackLevel 4 5 2 LinLog Overview The LinLog technology from Photonfocus allows a logarithmic compression of high light intensities inside the pixel In contrast to the classical non integrating logarithmic pixel the LinLog pixel is an integrating pixel with global shutter and the possibility to control the transition between linear and logarithmic mode In situations involving high intrascene contrast a compression of the upper grey level region can be achieved with the LinLog technology At low intensities each pixel shows a linear response At high intensities the response changes to logarithmic compression see Fig 4 28 The transition region between linear and logarithmic response can be smoothly adjusted by software and is continu
25. LC Settings for A B Trigger from single ended inputs 104 6 13 Miscellaneous Properties 2 0 a 104 pe Rs oie yet do es eas tog ee es 2 oe sk ee E 104 6 13 2 PixelFormat 2 t pon dua aie d a aa a a aaa i aooaa i a Bo 105 7 Mechanical and Optical Considerations 107 7 1 Mechanical Interface ooa ee 107 7 1 1 Cameras with GigE Interfacel o oo e 107 7 2 Optical Interface o o e 108 A A Sees weer ie oats agus 108 Sas EY o a bea EU nate mist eo 110 8 Warranty 111 8 1 Warranty Terms 111 A e a o Stns eared ene Bano 111 9 References 113 115 Ete egy ay topa TA A no E wales aA 115 B Revision History 117 CONTENTS 5 CONTENTS Preface 1 1 About Photonfocus The Swiss company Photonfocus is one of the leading specialists in the development of CMOS image sensors and corresponding industrial cameras for machine vision security amp surveillance and automotive markets Photonfocus is dedicated to making the latest generation of CMOS technology commercially available Active Pixel Sensor APS and global shutter technologies enable high speed and high dynamic range 120 dB applications while avoiding disadvantages like image lag blooming and smear Photonfocus has proven that the image quality of modern CMOS sensors is now appropriate for demanding applications Photonfocus product range is complemented by custom design solutions in the area
26. Mode Channel gt Play Parameters and Controls l Communication control GEV Device control Image stream control 1130images 35 4FPS 401 6 Mbps Figure 2 14 PF_GEVPlayer displaying live image stream 7 Check the status LED on the rear of the camera ESF The status LED light is green when an image is being acquired and it is red when serial communication is active 8 Camera parameters can be modified by clicking on GEV Device control see Fig 2 15 The visibility option Beginner shows most the basic parameters and hides the more advanced parameters If you don t have previous experience with Photonfocus GigE cameras it is recommended to use Beginner level Device Control Visibility Beginner DeviceInformation DeviceModelName DeviceManufacturerInfo DeviceVersion DeviceUserID ImageSizeControl Width Height PixelFormat Offsetx 0 Offsety 0 AcquisitionAndTriggerControls AcquisitionMode Continuous AcquisitionStart Command SelectedNodeName his is where the description of the node will be written This static item will also ontain extra information depending on the node type like increment For integers or things like that Figure 2 15 Control settings on the camera 2 6 Getting started 21 2 How to get started 3D GigE G2 9 To modify the exposure time scroll down to the AcquisitionControl control category bold title and modify the value of the ExposureTi
27. PersistentSubnetMask in category TransportLayerControl to the sub net mask Set GevCurrentIPConfigurationPersistent in category TransportLayerControl to True Set GevCurrentIPConfigurationDHCP in category TransportLayerControl to False Gi eee NS The selected persistent IP address will be applied after a reboot of the camera 100 6 12 PLC Settings 6 12 1 Introduction The Programmable Logic Controller PLC is a powerful tool to generate triggers and software interrupts A functional diagram of the PLC tool is shown in Fig THE PLC tool is described in detail with many examples in the PLC manual which is included in the PFinstaller from 10 cable from video cable P Enhanced Function from host PC Figure 6 3 PLC functional overview The simpliest application of the PLC is to connect a PLC input to a PLC output The connection of the ISO_INO input to the PLC_Q4 camera trigger is given as an example The resulting configuration is shown in Section 6 12 2 1 Identify the PLC notation of the desired input A table of the PLC mapping is given in Section 5 6 In our example ISO_INO maps to AO or Line0 Select a Signal Routing Block SRB that has a connection to the desired PLC input and connect it to the PLC input In our example SRB PLC_I0 will be used as it has a connection to Line0 To connect the SRB to input set PLC_I lt x gt to the input In the example set PLC_10 to LineO Identify the PLC n
28. The property DeviceTemperature in category DeviceControl shows the value of the temperature sensor that is selected by the property DeviceTemperatureSelector It is updated every time the property DeviceTemperatureSelector is modified see also note on drop down boxes in Section 104 6 13 2 PixelFormat The property PixelFormat in category ImageFormatControl sets the pixel format For 10 bits and 12 bits there is a selection of plain or packed format The plain format uses more bandwidth than the packed format but is easier to process in the software 6 5 shows the number of bits per pixel to are required for a pixel format DataFformat Bits per pixel 8 8 bit 10 bit 16 10 bit packed 10 12 bit 16 12 bit packed 12 Table 6 5 GigE pixel format overview 6 13 Miscellaneous Properties 105 6 Software 106 Mechanical and Optical Considerations 7 1 Mechanical Interface During storage and transport the camera should be protected against vibration shock moisture and dust The original packaging protects the camera adequately from vibration and shock during storage and transport Please either retain this packaging for possible later use or dispose of it according to local regulations 7 1 1 Cameras with GigE Interface Fig 7 1 shows the mechanical drawing of the camera housing for the MV1 D1312 IE C G2 CMOS cameras with GigE interface
29. Trigger source schematic 4 6 Trigger and Strobe 57 4 Functionality Machine Vision Flash System PC Power GigE Interface Card GigE Softtrigger Trigger Source Trigger Source Figure 4 37 Trigger source Machine Vision Flash System PC GigE Frame Grabber with FPGA Processor GigE Softtrigger GigE 0 GigE i gt de GigE Softrigger _ Trigger Source oo y 1 0 Board A Trigger Source gt oer no Figure 4 38 Trigger Inputs Multiple GigE solution 58 4 6 2 Trigger and AcquisitionMode The relationship between AcquisitionMode and TriggerMode is shown in Table 4 8 When TriggerMode Off then the frame rate depends on the AcquisitionFrameRateEnable property see also under Free running in Section 4 6 1 The ContinuousRecording and ContinousReadout modes can be used if more than one camera is connected to the same network and need to shoot images simul taneously If all cameras are set to Continous mode then all will send the packets er at same time resulting in network congestion A better way would be to set the cameras in ContinuousRecording mode and save the images in the memory of the IPEngine The images can then be claimed with ContinousReadout from one cam era at a time avoid network collisions and congestion 4 6 Trigger and Strobe 59 4 Functionality AcquisitionMode Continuous TriggerMode Off After the command
30. all ghtMin 2 Threshold ghtMax Threshold PeakFilter_Hei PeakFilter_Hei y direction Figure 4 12 Illustration of the PeakFilter_Height parameters 38 An illustration of the PeakFilter_Width parameters is shown in Fig The red line denotes a situation where the laser peak is filtered because the width is too big or too small Intensity filtered width too big filtered width too small 2 Threshold ae Threshold 1 y 1 i PeakFilter_WidthMin y direction i il PeakFilter_WidthMax Figure 4 13 Illustration of the PeakFilter_Width parameters 4 2 3D Features 39 4 Functionality 4 3 Reduction of Image Size With Photonfocus cameras there are several possibilities to focus on the interesting parts of an image thus reducing the data rate and increasing the frame rate The most commonly used feature is Region of Interest ROI 4 3 1 Region of Interest ROI Some applications do not need full image resolution 1312 x 1024 pixels By reducing the image size to a certain region of interest ROI the frame rate can be increased A region of interest can be almost any rectangular window and is specified by its position within the full frame and its width W and height H Fig 4 14 shows possible configurations for the region of interest and Table 4 1 presents numerical examples of how the frame rate can be increased by reducing the ROI CS Both reductions in x and y direc
31. and camera behaves as a normal area scan camera This mode serves as a preview mode in the setup and debugging phase 2D amp 3D Laser line detection is turned on The sensor image 2D image is transmitted together with the 3D data In the PF 3D Suite the detected laser line is shown as a coloured line in the 2D image This mode serves as a preview mode in the setup and debugging phase of the triangulation system or it can be used if the raw image data is required 3Donly Laser line detection is turned on and only 3D data is transmitted The scan rate of this mode is faster than the 2D amp 3D mode CS The 3Donly mode must be used to achieve the highest scan rate 4 2 3D Features 35 4 Functionality 4 2 6 3D data format For the laser peak detector there are 4 additional lines that contain the 3D data Every pixel contains 8 bits of 3D data which are always placed in the 8 LSB A table with the bit assignment of the 3D data is shown in Fig The peak position coordinate PEAK is relative to the scan area of the peak To get the absolute position on the image sensor the value OffsetY must be added LL_HEIGHT value the highest gray value of the peak is between 256 LL_HEIGHT and 256 LL_HEIGHT 255 12 bit resolution Calculation example 3D data of image column n has the following data 14 176 10 128 The position of the laser line is in this case 58 75 14 256 176 64 The laser line width is 10 pixels The height value is
32. and may cause permanent damage to the sensor If further cleaning is required use a suitable lens wiper or Q Tip moistened with an appropriate cleaning fluid to wipe the sensor surface as described below Examples of suitable lens cleaning materials are given in Table 7 1 Cleaning materials must be ESD safe lint free and free from particles that may scratch the sensor surface Do not use ordinary cotton buds These do not fulfil the above requirements and permanent damage to the sensor may result Wipe the sensor carefully and slowly First remove coarse particles and dirt from the sensor using Q Tips soaked in 2 propanol applying as little pressure as possible Using a method similar to that used for cleaning optical surfaces clean the sensor by starting at any corner of the sensor and working towards the opposite corner Finally repeat the procedure with methanol to remove streaks It is imperative that no pressure be applied to the surface of the sensor or to the black globe top material if present surrounding the optically active surface during the cleaning process Iso Propanol Germany Table 7 1 Recommended materials for sensor cleaning Product Supplier Remark EAD400D Airduster Electrolube UK www electrolube com Anticon Gold 9 x 9 Wiper Milliken USA ESD safe and suitable for class 100 environments www milliken com TX4025 Wiper Texwipe www texwipe com Transplex Swab Texwipe Small Q
33. ating the incoming light Pixel clock on internal camera interface SHUTTER FVAL Frame Valid Internal signal shown only for clarity Is high during the exposure time Is high while the data of one complete frame are transferred LVAL Line Valid Is high while the data of one line are transferred Example To transfer an image with 640x480 pixels there are 480 LVAL within one FVAL active high period One LVAL lasts 640 pixel clock cycles DVAL Data Valid Is high while data are valid DATA Transferred pixel values Example For a 100x100 pixel image there are 100 values transferred within one LVAL active high period or 100 100 values within one FVAL period Line pause Delay before the first line and after every following line when reading out the image data Table 4 7 Explanation of control and data signals used in the timing diagram These terms will be used also in the timing diagrams of Section 4 6 4 4 3 Exposure Control The exposure time defines the period during which the image sensor integrates the incoming light Refer to Section 3 3 for the allowed exposure time range 4 4 4 Maximum Frame Rate The maximum frame rate depends on the exposure time and the size of the image see Section 4 3 amp The maximal frame rate with current camera settings can be read out from the property FrameRateMax AcquisitionFrameRateMax in GigE cameras 4 4 Image
34. available in 3Donly mode When acquisition is stopped then a pending combined frame will be discarded se To get the pending combined frame a FrameCombineAbort command must be sent prior to stopping the acquisition 4 2 3D Features 37 4 Functionality 4 2 10 Peak Filter Peaks that are detected by the PeakDetector algorithm can be filtered by applying the parameters described in this section A filtered peak appears as all 3D data set to 0 which is the same as if no peak occured Filtering peaks might increase the robustness of the 3D application by filtering peaks that were caused by unwanted effects such as reflections of the laser beam PeakFilter parameters PeakFilter_Enable Enable peak filtering If set to False the PeakFilter settings are ignored PeakFilter_HeightMin Filters all peaks where 256 LL_HEIGHT lt PeakFilter_HeightMin see Fig 4 9 and Fig PeakFilter_HeightMax Filters all peaks where 256 LL_HEIGHT gt PeakFilter_HeightMax see Fig 4 9 and Fig PeakFilter_WidthMin Filters all peaks where LL_WIDTH lt PeakFilter_WidthMin see Fig and Fig 4 13 PeakFilter_WidthMax Filters all peaks where LL_WIDTH gt PeakFilter_WidthMax see Fig 4 9 and Fig 4 13 An illustration of the PeakFilter_Height parameters is shown in Fig The red line denotes a situation where the laser peak is filtered because the height is too big or too small filtered height too big Intensity filtered height too sm
35. ble frame rates the camera must be set to Free running mode with simultaneous readout The camera continuously delivers images as fast as possible Exposure time of the next image can start during the readout time of the current image The data is output on the rising edge of the pixel clock The signals FRAME_VALID FVAL and LINE_VALID LVAL mask valid image information The signal SHUTTER indicates the active integration phase of the sensor and is shown for clarity only 48 PCLK a Frame Time SHUTTER l FVAL LVAL DVAL DATA Figure 4 25 Exposure Time HA HA HA CPRE Linepause Linepause Linepause O a A cin PO A a a a First Line Last Line SS SmS 00 6 CEA E EE Timing diagram of sequential readout mode 4 4 Image Acquisition 49 4 Functionality eck NO OA Frame Time SHUTTER l l Exposure Exposure Time Time CPRE Linepause Linepause Linepause CPRE First Line Last Line DVAL Figure 4 26 Timing diagram of simultaneous readout mode readout time gt exposure time peck MA A Frame Time SHUTTER l l O O O HE Exposure Time HA AY FVAL O O E E HH mm CPRE Linepause Linepause Linepause CPRE First Line Last Line DVAL Figure 4 27 Timing diagram simultaneous readout mode readout time lt exposure time 50 Frame time Exposure time PCLK Frame time is the inverse of the frame rate Period during which the pixels are integr
36. can be correctly processed The data rate is calculated as follows data_rate frame_rate width height bits_per_pixel The MV1 D1312 3D02 160 G2 can deliver a data rate that is higher than the maximal supported data rate in 2Donly and 2D8 3D mode In this case the data rate must be lowered by changing the pixel format by reducing the trigger rate if TriggerMode 0n or by setting a lower acquisition frame rate properties AcquisitionFrameRateEnable and AcquisitionFrameTime Resolution Frame rate Data format Data rate 1312x1024 615 Mbit s 1312x1024 10 bit 12 bit 1230 Mbit s 1312x1024 10 bit packed 769 Mbit s 1312x1024 12 bit packed 922 Mbit s Table 6 1 Data rate calculation examples in 2D83D mode Note that transmitted height is H 4 in the data rate column marks settings that exceed the maximal supported data rate 6 9 Calibration of the FPN Correction The following procedures can be most easily done with the PF_GEVPlayer 6 9 1 Offset Correction CalibrateBlack The offset correction is based on a black reference image which is taken at no illumination e g lens aperture completely closed The black reference image contains the fixed pattern noise of the sensor which can be subtracted from the live images in order to minimise the static noise Procedure to achieve a good correction 1 Setup the camera width to the mode where it will be usually used Exposure time ROI Due to the int
37. capacity Random noise 90 ke lt 0 3 DN 8 bit Fixed pattern noise FPN 3 4 DN 8 bit correction OFF Fixed pattern noise FPN Dark current lt 1DN 8 bit correction ON 12 0 65 fA pixel 27 C Spectral range Responsivity 350 nm 980 nm see Fig 295 x10 DN J m 670 nm 8 bit Quantum Efficiency gt 50 Optical fill factor Dynamic range gt 60 Colour format Characteristic curve 60 dB in linear mode 120 dB with LinLog monochrome Linear LinLog Shutter mode Global shutter Grey scale Resolution Digital Gain 8 bit 10 bit 12 bit 0 1 to 15 99 Fine Gain Exposure Time 1 ys 0 42 s 25 ns steps Maximal Frame rate 114 fps 3Donly mode full resolution Table 3 2 General specification of the MV1 D1312 3D02 160 G2 Footnotes Indicated values are typical values 7 Indicated values are subject to confirmation A NIR enhanced camera model is available on request 26 MV1 D1312 3D02 160 G2 Operating temperature moisture 0 C 50 C 20 80 Storage temperature moisture 25 C 60 C 20 95 Camera power supply 12 V DC 10 24 V DC 10 Trigger signal input range 5 30 V DC Maximal power consumption 12 V lt 5 3 W Lens mount C Mount CS Mount optional Dimensions 60 x 60 x 51 5 mm Mass 310g Conformity CE RoHS WEEE Tabl
38. ceptions for an individual connection select it and then click Settings 1394 Connection Local Area Connection W Local Area Connection 2 Security Logging You can create a log file for troubleshooting purposes Settings ICMP With Internet Control Message Protocol ICMP the computers on 4 network can share error and status information Default Settings To restore all Windows Firewall settings to a default state E click Restore Defaults Figure 2 7 Windows Firewall Configuration 16 2 5 Network Adapter Configuration for Pleora eBUS SDK Open the Network Connections window Control Panel gt Network and Internet Connections gt Network Connections right click on the name of the network adapter where the Photonfocus camera is connected and select Properties from the drop down menu that appears A Properties window will open Check the eBUS Universal Pro Driver see Fig 2 8 for maximal performance Recommended settings for the Network Adapter Card are described in Section 4 Local Area Connection 2 Properties EJES General Advanced Connect using E9 Intel R PRO 1000 GT Desktop dap This connection uses the following items Y eBUS Universal Pro Driver a File and Printer Sharing for Microsoft Networks V El QoS Packet Scheduler lt i Install Uninstall Description eBUS Universal Pro Filter Driver C Show icon in no
39. ction or Flat Field Correction and consists of a combination of offset correction gain correction and pixel interpolation O Since the correction is performed in hardware there is no performance limita tion of the cameras for high frame rates The offset correction subtracts a configurable positive or negative value from the live image and thus reduces the fixed pattern noise of the CMOS sensor In addition hot pixels can be removed by interpolation The gain correction can be used to flatten uneven illumination or to compensate shading effects of a lens Both offset and gain correction work on a pixel per pixel basis i e every pixel is corrected separately For the correction a black reference and a grey reference image are required Then the correction values are determined automatically in the camera Do not set any reference images when gain or LUT is enabled Read the follow ing sections very carefully Correction values of both reference images can be saved into the internal flash memory but this overwrites the factory presets Then the reference images that are delivered by factory cannot be restored anymore 4 8 2 Offset Correction FPN Hot Pixels The offset correction is based on a black reference image which is taken at no illumination e g lens aperture completely closed The black reference image contains the fixed pattern noise of the sensor which can be subtracted from the live images in order to minimise t
40. d please contact your dealership Connect the camera to the GigE interface of your PC with a GigE cable of at least Cat 5E or 6 Ethernet Jack RJ45 Power Supply Status LED and I O Connector Figure 2 1 Rear view of the GigE camera MV1 D1312 IE C 40 G2 with power supply and I O connector Ethernet jack RJ45 and status LED 3 4 10 Connect a suitable power supply to the power plug The pin out of the connector is shown in the camera manual Check the correct supply voltage and polarity Do not exceed the operating voltage range of the camera SE Asuitable power supply can be ordered from your Photonfocus dealership Connect the power supply to the camera see Fig 2 1 2 3 Software Installation This section describes the installation of the required software to accomplish the tasks described in this chapter 1 Install the latest drivers for your GigE network interface card 2 Download the latest eBUS SDK installation file from the Photonfocus server You can find the latest version of the eBUS SDK on the support Software Down load page at www photonfocus com 3 Install the eBUS SDK software by double clicking on the installation file Please follow the instructions of the installation wizard A window might be displayed warning that the software has not passed Windows Logo testing You can safely ignore this warning and click on Continue Anyway If at the end of the installation you are asked to re
41. delivers uniform illumination Standard illu mination will not be appropriate When looking at the histogram of the grey reference image ideally there are no grey levels at full scale 4095 DN 12 bit All pixels that are saturated white will not be properly corrected see Fig Camera settings may influence the grey level Therefore the camera settings of the grey reference image must be identical with the camera settings of the image to be corrected 4 8 4 Corrected Image Offset gain and hot pixel correction can be switched on separately The following configurations are possible 74 No correction Offset correction only Offset and hot pixel correction Hot pixel correction only Offset and gain correction Offset gain and hot pixel correction Histogram of the uncorrected grey reference image 1 T T T T T T T i boos grey reference image ok AT 0 8 grey reference image too bright di 4 Relative number of pixels 0 re 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 Grey level 12 Bit DN Figure 4 52 Proper grey reference image for gain correction 7 A Lp po PA SES ps al 112 010 09 1 10 MATE 2 211 alo 1212031 IB 210721 CENENE T wa Ral gl current image offset correction gain correction corrected image matrix matrix Figure 4 53 Schematic presentation of the corrected image using gain correction alg
42. e 3 3 Physical characteristics and operating ranges Fig 3 5 shows the quantum efficiency and the responsivity of the monochrome A1312 CMOS sensor used in the MV1 D1312 3D02 160 G2 camera displayed as a function of wavelength For more information on photometric and radiometric measurements see the Photonfocus application note ANOO8 available in the support area of our website www photonfocus com 60 QE Responsivity 1200 50 1000 40 30 Quantum Efficiency 20 a o o Responsivity V J m2 10 200 300 400 500 600 700 800 900 1000 1100 Wavelength nm Figure 3 5 Spectral response of the A1312 CMOS monochrome image sensor standard in the MV1 D1312 3D02 160 G2 camera 3 3 Technical Specification 27 3 Product Specification 28 4 Functionality 4 1 Introduction This chapter serves as an overview of the camera configuration modes and explains camera features The goal is to describe what can be done with the camera The setup of the MV1 D1312 3D02 160 G2 camera is explained in later chapters 4 2 3D Features 4 2 1 Overview The MV1 D1312 3D02 camera contains a very accurate laser line detector for laser triangulation measurement of 3D profiles that extracts 3D information in real time For more details see Section 4 2 4 The camera should be placed so that the laser line is located in horizontal direction The outputs of the laser detector peak detector ar
43. e g C Program Files Pleora Technologies Inc eBUS SDK Documentation Various code samples are installed in the installation directory e g C Program Files Pleora Technologies Inc eBUS SDK Samples The sample PvPipel ineSample is recommended to start with Samples that show how to set device properties are included in the PFInstaller that can be downloaded from the Photonfocus webpage 6 4 Get feature list of camera A list of all features of the Photonfocus G2 cameras in HTML format can be found in the GenICam_Feature_Lists sub directory in Start gt All Programs gt Photonfocus gt GigE_Tools Alternatively the feature list of the connected camera can be retrieved with the PF_GEVPlayer Tools gt Save Camera Features as HTML 6 5 Frequently used properties A property list for every G2 camera is included in the PFinstaller that can be downloaded from the Photonfocus webpage The following list shows some frequently used properties that are available in the Beginner mode The category name is given in parenthesis Width ImageFormatControl Width of the camera image ROI region of interest Height ImageFormatControl Width of the camera image ROI OffsetX OffsetY ImageFormatControl Start of the camera image ROI ExposureTime AcquisitionControl Exposure time in microseconds TriggerMode AcquisitionControl External triggered mode 96 TriggerSource AcquisitionControl Trigger source if external triggered mode is selec
44. e the location coordinate of the laser line the width of the laser line and the grey value of the highest grey value inside the laser line see Section 4 2 3 The camera has a special mode see 2D8 3D mode in Section 4 2 5 for setup and debugging purposes that allows to view the image and the detected laser line in the same image 4 2 2 Measuring Principle For a triangulation setup a laser line generator and a camera is used There are several configurations which are used in the laser triangulation applications Which setup is used in an application is determined by the scattering of the material to be inspected There are setups for highly scattering materials and others for nearly reflecting surfaces In addition the penetration depth of light depends on the wavelength of light The longer the wavelength the deeper is the penetration of the light Historically red line lasers with a wavelength around 630 nm were used With the modern high power semiconductor line laser in blue 405 nm green and also in the near infrared there is the possibility to adapt the wavelengths due to the inspection needs But not only the penetration depth affects the choice of the wavelength of the line laser For an accurate measurement other disturbing effects as radiation or fluorescence of the object or strong light from neighbourhood processes have to be suppressed by optical filtering and an appropriate selection of the laser wavelength Hot steel slabs for i
45. e used in the Peak Detector algorithm results in a better estimate of the maximum intensity of the laser line The data mapping for the 3D data block is shown in Section 4 2 6 and the basics of the interpolation principle are illustrated in Fig 4 7 The line position PEAK is split into a coarse position and a fine position sub pixel The coarse position is based on the pixel pitch and is transferred in PEAK 15 6 The sub pixel position that was calculated from the Peak Detector algorithm 6 bit sub pixel information is mapped to PEAK 5 0 see also Section 4 2 6 4 2 3D Features 33 4 Functionality rotated by 90 Interpolated resolution Maximum value interpolation Si Gaussian shaped laser line pixel Pixel Sub lt Figure 4 7 Interpolation technique provides sub pixel accuracy in the detection of the laser peak by inter polating 64 data points between two pixels Fig 4 8 shows a comparison of the peak detector algorithm of MV1 D1312 3D02 camera against the Center Of Gravity COG algorithm that is used in most triangulation systems It can clearly be observed that the Peak Detector algorithm gives more accurate results X COG O Peak Detector Figure 4 8 Comparison of peak detector algorithm against COG algorithm 4 2 5 3D modes The camera has three modes that determine which data is transmitted to the user 2Donly Laser detection is turned off
46. ed if ABTriggerDirection fwd TriggerBkwd is the trigger that would be applied if ABTriggerDirection bkwd TriggerFwdBkwd is the trigger that would be applied if ABTriggerDirection fwdBkwd GrayCounter is the Gray encoded BA signal that is shown as an aid to show direction of the A B signals EncoderCounter is the representation of the current position of the conveyor belt This value is available as a camera register Double Two triggers are generated on every A B sequence see Fig 4 43 Quad Four triggers are generated on every A B sequence see Fig 4 44 66 A ESTE B GrayCounter _0 1 12 1310 11 2 13 27043241 ECHES ENE EncoderCounter 0 Y 1 y 2 Xx 1 X XI TriggerFwd TriggerBkwd TriggerFwdBkwd Figure 4 42 Single A B Mode A rt Tf E Ge E E E es ee E Ee Pe a ee E eet GrayCounter 0 1Y2Y3Y0Y1Y2YX3 Y2Y7TyYoYy3 2 V1 Y2 Y3 E EncoderCounter 0 1 2 3 4 3 2 1 2 3 TriggerFwd TriggerBkwd TriggerBkwd Figure 4 43 Double A B Mode A o Loo B l GrayCounter 0 Y 1Y2 Y 3 YO Y1T Y2Y 3 O O O O A K2ys E EncoderCounter 0 X 1 X2X3XY4X5X6X7 Ye y5 yay y2 A CO E TriggerFwd
47. ence image which is taken at uniform illumination to give an image with a mid gray level Gain correction is not a trivial feature The quality of the gray reference image is crucial for proper gain correction C The calibration of the gain correction can be skipped if gain correction will not be used Procedure to achieve a good correction 1 The procedure to calibrate the offset correction see Section 6 9 1 must be run just before calibrating the gain correction O Don t turn off the camera between the calibration of the offset correction Cali brateBlack and the calibration of the gain correction CalibrateGrey 2 Illuminate the camera homogeneously to produce a gray image with an Average_Value in category PhotonfocusMain between 2200 and 3600 DN Increase or decrease illumination if Average_Value is outside this range The property Average_Value can be updated by clicking on the property Average_Update in category PhotonfocusMain 3 Click on CalibrateBlack in category Calibration Wait until the command has been finished i e the property Correction_Busy in category Calibration is O Correction_Busy can be updated by clicking on the property Correction_BusyUpdate in category Calibration 6 9 3 Storing the calibration in permanent memory After running calibration procedures see Section 6 9 1 and Section 6 9 2 the calibration values are stored in RAM When the camera is turned off their values are deleted To preve
48. ending on the configured grey level resolution the ramp test image outputs a constant pattern with increasing grey level from the left to the right side see Fig f Figure 4 56 Ramp test images 8 bit output left 10 bit output middle 12 right 4 13 2 LFSR The LFSR linear feedback shift register test image outputs a constant pattern with a pseudo random grey level sequence containing every possible grey level that is repeated for every row The LFSR test pattern was chosen because it leads to a very high data toggling rate which stresses the interface electronic In the histogram you can see that the number of pixels of all grey values are the same Please refer to application note AN026 for the calculation and the values of the LFSR test image 80 Figure 4 57 LFSR linear feedback shift register test image 4 13 3 Troubleshooting using the LFSR To control the quality of your complete imaging system enable the LFSR mode set the camera window to 1024 x 1024 pixels x 0 and y 0 and check the histogram If your frame grabber application does not provide a real time histogram store the image and use a graphic software tool to display the histogram In the LFSR linear feedback shift register mode the camera generates a constant pseudo random test pattern containing all grey levels If the data transmission is error free the histogram of the received LFSR test pattern will be flat Fig 4 58 On the other hand a non
49. ent LinLog settings in LinLog1 mode 4 5 Pixel Response 53 4 Functionality LinLog2 To get more grey resolution in the LinLog mode the LinLog2 procedure was developed In LinLog2 mode a switching between two different logarithmic compressions occurs during the exposure time see Fig 4 31 The exposure starts with strong compression with a high LinLog voltage Valuel At Timel the LinLog voltage is switched to a lower voltage resulting in a weaker compression This procedure gives a LinLog response curve with more grey resolution Fig 4 32 and Fig 4 33 show how the response curve is controlled by the three parameters Valuel Value and the LinLog time Tinel CE Settings in LinLog2 mode enable a fine tuning of the slope in the logarithmic region LinLog p Value1 Value2 a A 0 Time1 Time2 max 1000 t Figure 4 31 Voltage switching in the Linlog2 mode Typical LinLog2 Response Curve Varying Parameter Time1 Time2 1000 Value1 19 Value2 14 300 T T T T T T1 840 250 T1 920 T1 960 200 T1 980 T1 999 150 100 Output grey level 8 bit DN 50 0 i i Illumination Intensity Figure 4 32 Response curve for different LinLog settings in LinLog2 mode 54 Typical LinLog2 Response Curve Varying Parameter Time1 Time2 1000 Value1 19 Value2 18 200 T T T T T T 180 F 160b 4 2 A 140 4 5 co 120 100b 717880 d ae T1 9
50. ernal structure of the camera best performance of calibration will be achieved when calibrating under real conditions za If different ROI s will be used calibrate image under full ROI Q If different exposure times will be used calibrate the camera under the longest exposure time 98 2 Set the following properties Gain in category AnalogControl to 1 Digital0ffset in category AnalogControl to 0 DigitalGain in category DataQutput to 1 and Convolver_3x3_ _Enable in category Convolver to O Due to the internal structure of the camera these settings are required for correct calibration 3 Wait until the camera has achieved working temperature Set the property Correction_Mode in category Correction to Off This is not mandatory but recommended 5 Close the lens of the camera 6 Check the value of the property Average_Value in category PhotonfocusMain Change the property BlackLevel in category AnalogControl until Average_Value is between 240 and 400 DN The property Average_Value can be updated by clicking on the property Average_Update in category PhotonfocusMain 7 Click on CalibrateBlack in category Calibration Wait until the command has been finished i e the property Correction_Busy in category Calibration is O Correction_Busy can be updated by clicking on the property Correction_BusyUpdate in category Calibration 6 9 2 Gain Correction CalibrateGrey The gain correction is based on a gray refer
51. es sequential readout mode simultaneous readout mode resolution 1312 x 256 pixel correction on 4 3 4 Decimation Decimation reduces the number of pixels in y direction Decimation can also be used together with ROI Decimation in y direction transfers every n row only and directly results in reduced read out time and higher frame rate respectively Fig shows decimation on the full image The rows that will be read out are marked by red lines Row 0 is read out and then every n row 0 0 Figure 4 16 Decimation in full image 44 1311 1081 Fig shows decimation on a ROI The row specified by the Window Y setting is first read out and then every n row until the end of the ROI 0 0 1311 1081 Figure 4 17 Decimation and ROI The image in Fig on the right hand side shows the result of decimation 3 of the image on the left hand side Figure 4 18 Image example of decimation 3 4 3 Reduction of Image Size 45 4 Functionality 4 4 Image Acquisition 4 4 1 Readout Modes The MV1 D1312 CMOS cameras provide two different readout modes Sequential readout Frame time is the sum of exposure time and readout time Exposure time of the next image can only start if the readout time of the current image is finished Simultaneous readout interleave The frame time is determined by the maximum of the exposure time or of the readout time which ever of both is the longer
52. flat histogram Fig indicates problems that may be caused either by the a defective camera or by problems in the grabbing software 4 13 2D Test Images 81 4 Functionality M Histogramm Port A Picture 620 Port A Picture 620 127 255 Figure 4 58 LFSR test pattern received and typical histogram for error free data transmission M Histogramm Port A Picture 440 Port A Picture 440 Mi ahini why I 127 255 Figure 4 59 LFSR test pattern received and histogram containing transmission errors o In robots applications the stress that is applied to the camera cable is especially high due to the fast movement of the robot arm For such applications special drag chain capable cables are available Please contact the Photonfocus Support for consulting expertise 82 Hardware Interface 5 1 GigE Connector The GigE cameras are interfaced to external components via e an Ethernet jack RJ45 to transmit configuration image data and trigger e a12 pin subminiature connector for the power supply Hirose HR10A 10P 12S female The connectors are located on the back of the camera Fig 5 1 shows the plugs and the status LED which indicates camera operation Ethernet Jack RJ45 Power Supply Status LED and I O Connector Figure 5 1 Rear view of the GigE camera 5 2 Power Supply Connector The camera requires a single voltage input see Tablel 3 3 The camera meets all performance specifications
53. ger delay tburst trigger delay tburst period time depends on camera settings ttrigger offset NON burst mode 100 ns tirigger offset bu rst mode texposure 125 ns tstrobe delay tstrobe offset non burst mode tstrobe offset burst mode tstrobe duration ta iso output 150 ns 350 ns tirigger pulsewidth 200 ns n a Number of bursts n 1 30000 Table 4 9 Summary of timing parameters relevant in the external trigger mode using camera MV1 D1312 3D02 160 G2 4 6 Trigger and Strobe 65 4 Functionality 4 6 6 Software Trigger The software trigger enables to emulate an external trigger pulse by the camera software through the serial data interface It works with both burst mode enabled and disabled As soon as it is performed via the camera software it will start the image acquisition s depending on the usage of the burst mode and the burst configuration The trigger mode must be set to external Trigger TriggerMode On 4 6 7 A B Trigger for Incremental Encoder An incremental encoder with differential RS 422 A B outputs can be used to synchronize the camera triggers to the speed of a conveyor belt These A B outputs can be directly connected to the camera and appropriate triggers are generated inside the camera In this setup the output A is connected to the camera input ISO_INCO see also Section 5 5 4 and Section A 1 and the output B to ISO_INC1
54. hat e the product will substantially conform to the specifications set forth in the applicable documentation published by the manufacturer and accompanying said product and e the product shall be free from defects in materials and workmanship under normal use The distributor shall not make or pass on to any party any warranty or representation on behalf of the manufacturer other than or inconsistent with the above limited warranty set 8 2 Warranty Claim The above warranty does not apply to any product that has been modified or al A tered by any party other than manufacturer or for any defects caused by any use of the product in a manner for which it was not designed or by the negligence of any party other than manufacturer 111 8 Warranty 112 9 References All referenced documents can be downloaded from our website at www photonfocus com ANO01 Application Note LinLog Photonfocus December 2002 ANO07 Application Note Camera Acquisition Modes Photonfocus March 2004 ANO08 Application Note Photometry versus Radiometry Photonfocus December 2004 AN026 Application Note LFSR Test Images Photonfocus September 2005 ANO030 Application Note LinLog Parameter Optimization Strategies February 2009 GEVQS GEVPlayer Quick Start Guide Pleora Technologies Included in eBUS installer MANO51 Manual Photonfocus GigE Quick Start Guide Photonfocus MANO53 Manual PF 3D Suite Photonfocus PLC PORT Programmable Log
55. he static noise Offset correction algorithm After configuring the camera with a black reference image the camera is ready to apply the offset correction Determine the average value of the black reference image Subtract the black reference image from the average value Mark pixels that have a grey level higher than 1008 DN 12 bit as hot pixels Store the result in the camera as the offset correction matrix Oh Pe During image acquisition subtract the correction matrix from the acquired image and interpolate the hot pixels see Section 4 8 2 4 8 Image Correction 71 4 Functionality E l v average 1 2 0 0 ar 2 4 of black i VEE picture A p black reference offset correction image matrix Figure 4 48 Schematic presentation of the offset correction algorithm How to Obtain a Black Reference Image In order to improve the image quality the black reference image must meet certain demands gt The detailed procedure to set the black reference image is described in Section e The black reference image must be obtained at no illumination e g with lens aperture closed or closed lens opening e t may be necessary to adjust the black level offset of the camera In the histogram of the black reference image ideally there are no grey levels at value 0 DN after adjustment of the black level offset All pixels that are saturated black 0 DN will not be properly
56. he strobe output of another Photonfocus G2 camera as shown in Fig This results in a master slave mode where the slave camera operates synchronously to the master camera Hirose Connectors Master Camera Slave Camera ISO_PWR ISO_VCC 4k7 PTC Ao ISO_OUTO 3 7 10k ql ISO_INO enhanced Power FET Power 4 7V MOSFET L IE L ISO_GND ISO_GND ISO GND ISO_GND ISO_GND Figure 5 11 Master slave connection of two Photonfocus G2 cameras 5 5 Trigger and Strobe Signals for GigE G2 Cameras 91 5 Hardware Interface 5 6 PLC connections The PLC Programmable Logic Controller is a powerful device where some camera inputs and outputs can be manipulated and software interrupts can be generated It is described in detail in the document PLC Name Direction Description AO Line0 Power connector gt PLC ISO_INO input signal A1 Line1 Power connector gt PLC ISO_IN1 input signal A2 Line2 Power connector gt PLC ISO_INCO input signal A3 Line3 Power connector gt PLC ISO_INC1 input signal A4 camera head gt PLC FVAL Frame Valid signal A5 camera head gt PLC LVAL Line Valid signal A6 camera head gt PLC DVAL Data Valid signal A7 camera head gt PLC Reserved CL_SPARE Q0 PLC gt not connected Q1 PLC gt power connector ISO_OUT1 output signal signal is inverted Q2 PLC gt not connected Q3 PLC gt no
57. hotonfocus can not be held responsible for any technical or typographical er rors 1 5 Legend In this documentation the reader s attention is drawn to the following icons CS Important note lt gt Alerts and additional information A Attention critical warning Q Notification user guide How to get started 3D GigE G2 2 1 Introduction This guide shows you e How to install the required hardware see Section 2 2 How to install the required software see Section 2 3 and configure the Network Adapter Card see Section 2 4 and Section 2 5 How to acquire your first images and how to modify camera settings see Section 2 6 A GigE Starter Guide MAN051 can be downloaded from the Photonfocus support page It describes how to access Photonfocus GigE cameras from various third party tools To start with the laser detection it is recommended to use the PF 3D Suite which can be downloaded from the software section of the Photonfocus web page The PF 3D Suite is a free GUI for an easy system set up and visualisation of 3D scan To get started please read the manual MAN053 which can be downloaded from the Photonfocus web page Prior to running the PF 3D Suite the GigE system should be configured as indi cated in this chapter 2 2 Hardware Installation The hardware installation that is required for this guide is described in this section The following hardware is required PC with Microsoft Windows OS
58. ic Controller Reference Guide Pleora Technologies Included in PFinstaller 113 9 References 114 A Pinouts A 1 Power Supply Connector The power supply connectors are available from Hirose connectors at Fig A 1 shows the power supply plug from the solder side The pin assignment of the power supply plug is given in Table A 2 It is extremely important that you apply the appropriate voltages to your camera Incorrect voltages will damage or destroy the camera CS The connection of the input and output signals is described in Section 5 5 SS Asuitable power supply can be ordered from your Photonfocus dealership Connector Type Order Nr 12 pole Hirose HR10A 10P 12S soldering 110 0402 0 12 pole Hirose HR10A 10P 12SC crimping 110 0604 4 Table A 1 Power supply connectors Hirose HR10 series female connector Figure A 1 Power supply connector 12 pole female rear view of connector solder side 115 A Pinouts CAMERA_GND Camera GND OV CAMERA_PWR Camera Power 12V 24V ISO_OUTO Default Strobe out internally Pulled up to ISO_PWR with 4k7 Resistor ISO_INCO_N INCO differential RS 422 input negative polarity ISO_INCO_P ISO_PWR INCO differential RS 422 input positive polarity Power supply 5V 24V for output signals Do NOT connect to camera Power ISO_INO ISO_OUT1 MISC ISO_IN1 Trigger IN INO input signal Q1 output from PLC no Pul
59. ies 2 isolated trigger inputs 2 differential isolated RS 422 inputs and 2 isolated outputs e AIB RS 422 shaft encoder interface e Programmable Logic Controller PLC for powerful operations on input and output signals Wide power input range from 12 V 10 to 24 V 10 e The compact size of only 60 x 60 x 51 5 mm makes the MV1 D1312 3D02 160 G2 12 camera the perfect solution for applications in which space is at a premium e Free GUI available PF 3D Suite for an easy system set up and visualisation of 3D scans The basic components for 3D imaging consist of a laser line and a high speed CMOS camera in a triangular arrangement to capture images profiles from objects that are moved on a conveyor belt or in a similar setup see Fig 3 1 and Section 4 2 2 You can find more information on the basics of laser triangulation and on the er principles of 3D image acquisition technique in the user manual PF 3D Suite available in the support area at www photonfocus com 23 3 Product Specification Camera Conveyor belt with objects Figure 3 1 Triangulation principle with objects moved on a conveyor belt GEN lt gt CAM Generic Interface for Cameras Figure 3 2 Camera MV1 D1312 3D02 160 G2 12 is GenICam compliant GIGS Figure 3 3 Camera MV1 D1312 3D02 160 G2 12 is GigE Vision compliant 24 3 2 Feature Overview The general specification and features of the camera are listed in the following sections The deta
60. igger and Strobe Signals for GigE G2 Cameras 89 5 Hardware Interface Fig 5 8 shows the connection from ISO_OUT1 to a LED Camera Figure 5 8 Connection from ISO_OUT1 to a LED 12 pol Hirose Connector YOUR_PWR PTC v ISO_OUT1 8 R Power 12 MOSFET ISO_GND ISO_GND YOUR_GND Respect the limits of the POWER MOSFET in the connection to ISEO_OUT1 Max amp mal ratings that must not be exceeded voltage 30 V current 0 5 A power 0 5 W see also Fig 5 9 The type of the Power MOSFET is International Rectifier IRLMLO100TRPbF eee 12 pol Hirose Connector ok Iso OUT1 8 2 la Max 30V Power 51 Max 0 5A 12 MOSFET Max 0 5W L L ISO_GND ISO_GND YOUR_GND Figure 5 9 Limits of ISO_OUT1 output 90 5 5 4 Differential RS 422 Inputs ISO_INCO and ISO_INC1 are isolated differential RS 422 inputs see also Fig 5 3 They are connected to a Maxim MAX3098 RS 422 receiver device Please consult the data sheet of the MAX3098 for connection details A Don t connect single ended signals to the differential inputs ISO_INCO and ISO_INC1 see also Fig 12 pol Hirose Connector Camera RX RS422 5V TTL Logic Level ISO_INCx_P ISO_INCx_N YOUR_GND Figure 5 10 Incorrect connection to ISO_INC inputs 5 5 5 Master Slave Camera Connection The trigger input of one Photonfocus G2 camera can easily connected to t
61. iled description of the camera features is given in Chapter 4 MV1 D1312 3D02 160 G2 Gigabit Ethernet GigE Vision Suite PF 3D Suite External isolated trigger inputs Software Trigger PLC Trigger AB Trigger Laser line detection with sub pixel accuracy peak detector Linear Mode LinLog Mode Shading Correction Offset and Gain Grey level resolution 12 bit 10 bit 8 bit Region of Interest ROI and vertical decimation High blooming resistance Isolated inputs 2 single ended 2 differential and outputs 2 single ended Trigger input Strobe output with programmable delay A B RS 422 shaft encoder interface 2D and 3D Test pattern Image information Status line Crosshairs overlay on the image Interface Camera Control Trigger Modes Features Table 3 1 Feature overview see Chapter 4 for more information yd Q 0 z AJ gl yl Figure 3 4 MV1 D1312 3D02 160 G2 3D CMOS camera with C mount lens 3 2 Feature Overview 25 3 Product Specification 3 3 Technical Specification Sensor Technology MV1 D1312 3D02 160 G2 Photonfocus A1312 CMOS active pixel Scanning system progressive scan Optical format diagonal 1 13 6 mm diagonal maximum resolution 2 3 11 6 mm diagonal 1024 x 1024 resolution Resolution Pixel size 1312 x 1024 pixels 8 um x 8 um Active optical area 10 48 mm x 8 64 mm maximum Full well
62. ionality 4 3 2 ROI configuration In the MV1 D1312 3D02 160 camera the following restrictions have to be respected for the ROI configuration The minimum width w of the ROI is 544 pixel e The region of interest must overlap a minimum number of pixels centered to the left and to the right of the vertical middle line of the sensor ovl The allowed ranges for the ROI settings can be deduced by the following formula Xmin max 0 656 ovl w Xmax min 656 ovl 1312 w where ovl is the overlap over the middle line and w is the width of the region of interest Any ROI settings in x direction exceeding the minimum ROI width must be mod ulo 32 MV1 D1312 3D02 160 G2 ROI width w 544 1312 overlap ovl 272 width condition modulo 32 height condition 16 1024 Table 4 2 Summary of the ROI configuration restrictions for the MV1 D1312 3D02 160 G2 camera indicat ing the minimum ROI width w and the required number of pixel overlap ovl over the sensor middle line The settings of the region of interest in x direction are restricted to modulo 32 see Table 4 3 4 3 3 Calculation of the maximum frame rate The frame rate mainly depends on the exposure time and readout time The frame rate is the inverse of the frame time CS The maximal frame rate with current camera settings can be read out from the property FrameRateMax 1 tframe fps Calculation of the frame time seq
63. l camera control starts also the strobe control state machines The strobe can be delayed by tstrobe delay With an internal counter which can be controlled by the customer via software settings The strobe offset delay tstrobe delay results then from the synchronous design of the FPGA state machines A second counter determines the strobe duration tstrobe duration Strobe duration For a robust system design the strobe output is also isolated from the camera electronic which leads to an additional delay of ta iso output Section 4 6 5 gives an overview over the minimum and maximum values of the parameters External Trigger with Pulsewidth controlled Exposure Time In the external trigger mode with Pulsewidth controlled exposure time the rising edge of the trigger pulse starts the camera states machine which controls the sensor The falling edge of the trigger pulse stops the image acquisition Additionally the optional external strobe output is controlled by the rising edge of the trigger pulse Timing diagram Fig 4 40 shows the detailed timing for the external trigger mode with pulse width controlled exposure time t external trigger pulse input exposure trigger after isolator eros trigger pulse rising edge camera control t jitter l delayed trigger rising edge for shutter set t trigger delay trigger pulse falling edge camera control delayed trigger falling edge shutter reset t 4 trigger delay
64. l up to ISO_PWR can be used as additional output by adding Pull up or as controllable switch max 100mA no capacitive or inductive load Default Trigger IN ISO_INC1_N INC1 differential RS 422 input negative polarity 12 ISO_INC1_P ISO_GND INC1 differential RS 422 input positive polarity 1 0 GND OV Do NOT connect to CAMERA_GND Table A 2 Power supply connector pin assignment 116 Revision History Revision Date Changes
65. lation setup helps to get results Camera Line Laser Figure 4 3 Triangulation setup 3 Triangulation Setup 4 In contrast to the setup before this setup is used for high scattering material or for application where strong reflections of the object have to be suppressed The resolution is reduced due to the relations of the angles a and Line Laser Camera Figure 4 4 Triangulation setup 4 4 2 3D Features 31 4 Functionality 4 2 3 Laser Line Detection The laser line detector takes a threshold value as its input The threshold has two purposes e All pixels with grey value below the threshold value will be ignored This filters out the image background e The value 2 threshold is used in the calculation of the laser line width and height see below The output values are calculated column wise see also Fig 4 5 Peak coordinate Vertical coordinate of the laser line peak Laser line width The laser line width is the number of pixels that have a grey value above 2 threshold around the laser peak If there are no pixels inside the laser line that have a grey level above 2 threshold then the laser line width is 0 In this case the threshold value should be changed A WidthMap can be generated In the PF3DSuite i e the width information of every scan gives one row in the WidthMap The rows are then used to form a WidthMap image The WidthMap could be used to examine the texture of the object under test Fig
66. m the input of the gain block it is possible to avoid the saturation 4 10 Crosshairs 4 10 1 Functionality The crosshairs inserts a vertical and horizontal line into the image The width of these lines is one pixel The grey level is defined by a 12 bit value 0 means black 4095 means white This allows to set any grey level to get the maximum contrast depending on the acquired image The x y position and the grey level can be set via the camera software The x and y positon is absolute to the sensor pixel matrix It is independent on the ROI or decimation configurations Fig 4 54 shows two examples of the activated crosshairs with different grey values One with white lines and the other with black lines 76 Figure 4 54 Crosshairs Example with different grey values 4 10 Crosshairs 77 4 Functionality 4 11 Image Information and Status Information There are camera properties available that give information about the acquired images such as an image counter and the number of missed trigger signals These properties can be queried by software 4 11 1 Counters Image counter The image counter provides a sequential number of every image that is output After camera startup the counter counts up from 0 counter width 24 bit The counter can be reset by the camera control software Real Time counter Time stamp The time counter starts at 0 after camera start and counts real time in units of 1 micro second The time coun
67. me property 22 Product Specification 3 1 Introduction The MV1 D1312 3D02 160 G2 12 is a 1 3 megapixel Gigabit Ethernet CMOS camera from Photonfocus optimized for high speed laser triangulation applications with up to 3250 profiles s 1312 x16 or 5500 profiles s 544 x 16 The camera contains the Photonfocus A1312 image sensor that has a high dynamic range which is beneficial for laser triangulation specially on reflective surfaces A laser line detection algorithm Peak Detector is contained that is able to compute the peak position of a laser line with sub pixel accuracy Thus the height profile of an object gets computed within the camera making additional calculations in the PC needless The principal advantages are e Up to 3250 profiles s 1312 x 16 resolution or 5500 profile s 544 x 16 pixels High dynamic range of up to 120 dB with LinLog technology High reliability and accuracy of 3D reconstruction due to the non linear interpolation technique used in the laser line peak detection algorithm Laser line peak detection with up to 1 64 sub pixel accuracy e Gigabit Ethernet interface with GigE Vision and GenlCam compliance e Combined 2D 3D applications can be realized in the 2D 3D mode of the camera at a lower frame rate e Global shutter e Region of interest ROI selectable in x and y direction Maximal image size 1312 x 1024 pixels e Grey level resolution up to 12 bit e Advanced I O capabilit
68. mine the average value of the grey reference image Subtract the offset correction matrix from the grey reference image Divide the average value by the offset corrected grey reference image Pixels that have a grey level higher than a certain threshold are marked as hot pixels Store the result in the camera as the gain correction matrix ue w NS During image acquisition multiply the gain correction matrix from the offset corrected acquired image and interpolate the hot pixels see Section 4 8 2 Gain correction is not a trivial feature The quality of the grey reference image is crucial for proper gain correction 4 8 Image Correction 73 4 Functionality 1 l W L 1 v average AA A E 112 010 dloo 11110 ofgray MG 20 al 2112 1208 1 ae aol ooi ti a gray reference offset correction gain correction picture matrix matrix Figure 4 51 Schematic presentation of the gain correction algorithm Gain correction always needs an offset correction matrix Thus the offset correc tion always has to be performed before the gain correction How to Obtain a Grey Reference Image In order to improve the image quality the grey reference image must meet certain demands gt The detailed procedure to set the grey reference image is described in Section The grey reference image must be obtained at uniform illumination Use a high quality light source that
69. n Technique o o e ee 33 PLANEE 2 ana aE E DO E a d a E E R E O E ETa A OO R a E a 35 4 2 6 3Ddatataormatl E aie a k de eak aaae r a o a 36 Sti deis daa SA e de INR 36 E E E EE eeee 36 2 INGE A 37 42 10 Peak Filter ws i ask aa le ae ek Re de OR Gh a ces A ES 38 MES a ates Sok de aed Soe alee Je lets GE peek nee et eee 40 4 3 1 Region of Interest ROI aoaaa ee 40 o a da 42 4 3 3 Calculation of the maximum frame tatel o eee eee 42 E A NN 44 4 4 Image ACQUISITION o 46 4 4 1 Readout Modes a 46 4 4 2 Readout TiMiNQ o o o 48 4 4 3 Exposure Control oo e ee 51 CONTENTS 3 CONTENTS 4 44 Maximum Frame Rate o e e ee 4 5 Pixel Response 4 5 1 Linear Response 4 5 2 LinLog 4 6 Trigger and Strobel anaana aaa 4 8 Image Correction ee ARANA PAI 4 8 2 Offset Correction FPN Hot Pixels lt lt CAER AAA A ARA 8 4 Corrected Image 9 Digital Gain and Offset 10 Crosshairs 4 10 1 Functionality o oo 4 11 1 Counters A Sy a dre ae es ee de A 12 3D Test image 13 2D Test Images ES a a 4 12 3D Test image 0 a i r a a n a EES a aOR R R a a a E S E E ee 4 13 2D Test Mages s i a a a ee a Ha a a ae a a e a 4 13 3 Troubleshooting using the LFSR aaau aaa o e ee 5 1 GigE Co
70. n connected Notify me when this connection has limited or no connectivity Figure 2 4 Local Area Connection Properties 2 4 Network Adapter Configuration 13 2 How to get started 3D GigE G2 2 By default Photonfocus GigE Vision cameras are configured to obtain an IP address automatically For this quick start guide it is recommended to configure the network adapter to obtain an IP address automatically To do this select Internet Protocol TCP IP see Fig 2 4 click the Properties button and select Obtain an IP address automatically see Fig Internet Protocol TCP IP Properties General Alternate Configuration You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings Obtain DNS server address automatically Use the following DNS server addresses Figure 2 5 TCP IP Properties 14 3 Open again the Local Area Connection Properties window see Fig 2 4 and click on the Configure button In the window that appears click on the Advanced tab and click on Jumbo Frames in the Settings list see Fig 2 6 The highest number gives the best performance Some tools however don t support the value 16128 For this guide it is recommended to select 9014 Bytes in the Value list Intel R PRO 1000 GT Desktop Adapter Properties EJES Power Management Boot Options
71. nnector 5 2 Power Supply Connector 5 3 Status Indicator GigE cameras a 5 4 Power and Ground Connection for GigE G2 Cameras 5 5 Trigger and Strobe Signals for GigE G2 Cameras 5 5 1 Overview 5 5 2 Single ended Inputs 5 5 3 Single ended Outputs 5 5 4 Differential RS 422 Inputs 5 6 PLC connections 0 00 0 6 1 Software for MV1 D1312 3D02 160 G2 aaa a 6 2 1 PF_GEVPlayer main window 6 2 2 GEV Control Windows 6 2 3 Display Area 6 2 4 White Balance Colour cameras only 6 3 Pleora SDK ee e a a a ese 6 5 Frequently used properties 0 o e eo 96 6 6 Height Setting o ee 97 6 7 3D Peak Detector settings 0 ee 97 A eee ey MO ewes ee eee ees SS 98 e aad ek eo bee koe oe eee dea 98 6 9 1 Offset Correction CalibrateBlack lt lt eee ee 98 6 9 2 Gain Correction CalibrateGrey 99 6 9 3 Storing the calibration in permanent memory o 99 6 10 Permanent Parameter Storage Factory Reset 0 100 6 11 Persistent IP address o o ee 100 6 12 PEC SCUUINOS nica era ddd eld di eae de aa a Bod ay A 101 e Gp wee Ba ee ee we ee nee BR BE 101 A A 102 6 12 3 PLC Settings for A B Trigger from differential inputs 103 6 12 4 P
72. nstance are best inspected with blue line laser because of the possibility to separate the laser line with optical filters from temperature radiation Planck radiation which occurs in red and NIR The accuracy of the triangulation system is determinate by the line extracting algorithm the optical setup the quality parameters of the laser line generator and the parameters of the lens which makes optical engineering necessary 29 4 Functionality Triangulation Setup 1 In this setup the camera looks with the viewing angle a on the laser line projected from the top A larger angle leads to a higher resolution With larger angles the range of height is reduced Small angles have the benefit of little occlusions Camera Line Laser Figure 4 1 Triangulation setup 1 Triangulation Setup 2 This setup shows an opposite configuration of the laser line and the camera The resolution at same triangulation angle is slightly higher but artifacts which occur during the measurement at borders of the object have to be suppressed by software Line Laser Camera Figure 4 2 Triangulation setup 2 30 Triangulation Setup 3 In this setup the laser line generator and the camera are placed in a more reflecting configuration This gives more signal and could be used for dark or matte surfaces In case of reflecting surfaces there is only a little amount of scattering which can be used as signal for triangulation Also in this case this triangu
73. nt this the calibration values must be stored in flash memory This can be done by clicking on the property Correction_SaveToFlash in category Calibration Wait until the command has been finished i e the property Correction_Busy in category Calibration is O Correction_Busy can be updated by clicking on the property Correction_BusyUpdate in category Calibration 6 9 Calibration of the FPN Correction 99 6 Software 6 10 Permanent Parameter Storage Factory Reset The property UserSetSave in category UserSetControl stores the current camera settings in the non volatile flash memory At power up these values are loaded The property UserSetSave in category UserSetControl overwrites the current camera settings with the settings that are stored in the flash memory The command CameraHeadFactoryReset in category PhotonfocusMain restores the settings of the camera head The property CameraHeadStoreDefaults in category PhotonfocusMain stores only er the settings of the camera head in the flash memory It is recommended to use UserSetSave instead as all properties are stored E The calibration values of the FPN calibration are not stored with UserSetSave or CameraHeadStoreDefaults Use the command Correction_SaveToFlash for this see Correction_SaveToFlash 6 11 Persistent IP address It is possible to set a persistent IP address Set GevPersistentIPAddress in category TransportLayerControl to the desired IP address Set Gev
74. one Exposure time of the next image can start during the readout time of the current image Readout Mode MV1 D1312 Series Sequential readout available Simultaneous readout available Table 4 6 Readout mode of MV1 D1312 Series camera The following figure illustrates the effect on the frame rate when using either the sequential readout mode or the simultaneous readout mode interleave exposure fps 1 readout time Frame rate f fps Simultaneous 5 readout mode Se Sequential e readout mode i ee fps 1 readout time exposure time exposure time lt readout time exposure time gt readout time exposure time readout time A Exposure time Figure 4 19 Frame rate in sequential readout mode and simultaneous readout mode Sequential readout mode For the calculation of the frame rate only a single formula applies frames per second equal to the inverse of the sum of exposure time and readout time Simultaneous readout mode exposure time lt readout time The frame rate is given by the readout time Frames per second equal to the inverse of the readout time Simultaneous readout mode exposure time gt readout time The frame rate is given by the exposure time Frames per second equal to the inverse of the exposure time The simultaneous readout mode allows higher frame rates However if the exposure time greatly exceeds the readout time then the effect on the f
75. orithm In addition the black reference image and grey reference image that are currently stored in the camera RAM can be output Table 4 10 shows the minimum and maximum values of the correction matrices e the range that the offset and gain algorithm can correct Minimum Maximum Offset correction 1023 DN 12 bit 1023 DN 12 bit Gain correction 0 42 2 67 Table 4 10 Offset and gain correction ranges 4 8 Image Correction 75 4 Functionality 4 9 Digital Gain and Offset There are two different gain settings on the camera Gain Digital Fine Gain Digital fine gain accepts fractional values from 0 01 up to 15 99 It is implemented as a multiplication operation Digital Gain Digital Gain is a coarse gain with the settings x1 x2 x4 and x8 It is implemented as a binary shift of the image data where 0 is shifted to the LSB s of the gray values E g for gain x2 the output value is shifted by 1 and bit 0 is set to 0 The resulting gain is the product of the two gain values which means that the image data is multiplied in the camera by this factor C Digital Fine Gain and Digital Gain may result in missing codes in the output im age data A user defined value can be subtracted from the gray value in the digital offset block If digital gain is applied and if the brightness of the image is too big then the interesting part of the output image might be saturated By subtracting an offset fro
76. otation of the desired output A table of the PLC mapping is given in Section 5 6 In the example Q4 is the desired output Connect the LUT that corresponds to the desired output to the SRB from step 2 In the example PLC_Q4 is connected to PLC_I0 Note that every LUT has the capability to connect up to 4 inputs In the example only the first input PLC_Q4 Variable0 is used The other inputs are ignored by setting the PLC_Q4 Variable to Zero and the PLC_Q4_Operator to Or for inputs 1 to 3 6 12 PLC Settings 101 6 Software 5 If a PLC output is used to connect to a camera trigger then the corresponding Trigger Source must be activated In the example TriggerSource is set to PLC_Q4 and TriggerMode is set to On 6 12 2 PLC Settings for ISO_INO to PLC_Q4 Camera Trigger This setting connects the ISO_INO to the internal camera trigger see 6 2 the visibility in the PF_GEVPlayer must be set to Guru for this purpose Table 6 2 PLC Feature TriggerMode TriggerSource Value On PLC_Q4 Category AcquisitionControl AcquisitionControl PLC_10 PLC_Q4 VariableO Lined PLC_IO lt PLC gt SignalRoutingBlock lt PLC gt LookupTable Q4 PLC_Q4_Operator0 Or lt PLC gt LookupTable Q4 PLC_Q4 Variable1 PLC_Q4_Operator1 Zero Or lt PLC gt LookupTable Q4 lt PLC gt LookupTable Q4 PLC_Q4 Variable2 PLC_Q4 Operator2 Zero Or lt PLC gt LookupTable Q4 lt PLC gt LookupTable Q4 PLC_Q
77. ously differentiable and monotonic Grey Value 100 Linear Weak compression Response Resulting Linlog Response 0 Value2 Light Intensity Figure 4 28 Resulting LinLog2 response curve 52 LinLog is controlled by up to 4 parameters Timel Time2 Valuel and Value2 Valuel and Value2 correspond to the LinLog voltage that is applied to the sensor The higher the parameters Valuel and Value2 respectively the stronger the compression for the high light intensities Timel and Time2 are normalised to the exposure time They can be set to a maximum value of 1000 which corresponds to the exposure time Examples in the following sections illustrate the LinLog feature LinLog1 In the simplest way the pixels are operated with a constant LinLog voltage which defines the knee point of the transition This procedure has the drawback that the linear response curve changes directly to a logarithmic curve leading to a poor grey resolution in the logarithmic region see Fig 4 30 V LinLog A valel Value2 0 Time1 Time2 max t 1000 Figure 4 29 Constant LinLog voltage in the Linlog1 mode Typical LinLogi Response Curve Varying Parameter Value1 Time1 1000 Time2 1000 Value2 Value1 300 T T T T T T 250 Vi 15 Z V1 16 a 200 MES 0 V1 18 V1 19 150 gt D D 5 100 Q 3 O 50 0 Illumination Intensity Figure 4 30 Response curve for differ
78. photon focus User Manual MV1 D1312 3D02 160 G2 3D CMOS camera with GigE interface MANO56 05 2012 V1 0 All information provided in this manual is believed to be accurate and reliable No responsibility is assumed by Photonfocus AG for its use Photonfocus AG reserves the right to make changes to this information without notice Reproduction of this manual in whole or in part by any means is prohibited without prior permission having been obtained from Photonfocus AG Contents 7 1 1 About Photonfocus 2 0 0 0 a 7 T2 Contacte a ara dale Bed i Gone Oh Seen ets eh cgay de E 7 13 Sales O TICOS siria EE Re dae PAR a Ew ow ae S 7 sab tar he ape et de Sen A de bes doe a eres aS a eat oe es Syn 7 135 Legend sueco 6 4 24 52 45 5 08 8 oe ok Be eae ee Ba cede Schaap bon a E Bone 8 2 How to get started 3D GigE G2 9 21 INtrOQUCHON ss ss ba a aw ee a he Be ed E a 9 E EN 9 a RRS 11 pd dor et ee a 13 2 5 Network Adapter Configuration for Pleora eBUS SDK 17 2 6 Getting started aaau aa a 18 23 3 1 Introduction ooa a a 23 aani PEM id bed BREE Boe eo 25 dial e eee Seu cre etek Bede E ann Bh Se 26 4 Functionality 29 41 INTTOQUETION os 0 a a se eed a oe a a ei a aed a Ge eo Se 29 4 2 3D Features sodas oe ee a SS Ee eS 29 PATITO a 29 4 2 2 Measuring Principle 2 000 ee 29 ode Eos Ena of eek a GY an Wey oh ie ee ee a dd 32 4 2 4 Interpolatio
79. provided by the device in pixels description in 768 Max 1312 Increment 32 Figure 6 2 PF_GEVPlayer Control Window 6 2 PF_GEVPlayer 95 6 Software 6 2 3 Display Area The images are displayed in the main window in the display area A zoom menu is available when right clicking in the display area Another way to zoom is to press the Ctrl button while using the mouse wheel 6 2 4 White Balance Colour cameras only A white balance utility is available in the PF_GEVPlayer in Tools gt Image Filtering The gain of the colour channels can be adjusted manually by sliders or an auto white balance of the current image can be set by clicking on the White Balance button To have a correct white balance setting the camera should be pointed to a neutral reference object that reflects all colours equally e g a special grey reference card while clicking on the White Balance button The white balance settings that were made as described in this section are ap plied by the PF_GEVPlayer software and are not stored in the camera To store O the colour gain values in the camera the Gain settings in the GEV Device Control in AnalogControl must be used If the gain properties in the camera are used then the PF_GEVPlayer RGB Filtering should be disabled 6 3 Pleora SDK The eBUS package provides the PureGEV C SDK for image acquisition and the setting of properties A help file is installed in the Pleora installation directory
80. rFwd AppliedTriggerFwd n n Figure 4 46 A B TriggerDivider example with ABTriggerDivider 1 ABMode quad 68 4 6 8 Strobe Output The strobe output is an isolated output located on the power supply connector that can be used to trigger a strobe The strobe output can be used both in free running and in trigger mode There is a programmable delay available to adjust the strobe pulse to your application The strobe output needs a separate power supply Please see Section Fig 4 37 and Fig 4 38 for more information 4 6 Trigger and Strobe 69 4 Functionality 4 7 Data Path Overview The data path is the path of the image from the output of the image sensor to the output of the camera The sequence of blocks is shown in figure Fig Image Sensor FPN Correction Digital Offset Y Digital Gain Y Look up table LUT Y 3D test image insertion Y Laser Peak Detector Crosshairs insertion 2D Test images insertion Apply data resolution Image output Figure 4 47 camera data path 70 4 8 Image Correction 4 8 1 Overview The camera possesses image pre processing features that compensate for non uniformities caused by the sensor the lens or the illumination This method of improving the image quality is generally known as Shading Corre
81. rame rate is neglectable 46 c Insimultaneous readout mode image output faces minor limitations The overall linear sensor reponse is partially restricted in the lower grey scale region gt When changing readout mode from sequential to simultaneous readout mode or vice versa new settings of the BlackLevelOffset and of the image correction are required Sequential readout By default the camera continuously delivers images as fast as possible Free running mode in the sequential readout mode Exposure time of the next image can only start if the readout time of the current image is finished exposure read out exposure read out Figure 4 20 Timing in free running sequential readout mode When the acquisition of an image needs to be synchronised to an external event an external trigger can be used refer to Section 4 6 In this mode the camera is idle until it gets a signal to capture an image exposure read out idle exposure k external trigger Figure 4 21 Timing in triggered sequential readout mode Simultaneous readout interleave exposure To achieve highest possible frame rates the camera must be set to Free running mode with simultaneous readout The camera continuously delivers images as fast as possible Exposure time of the next image can start during the readout time of the current image exposure n idle exposure n 1 idle read out n 1 read out n read out n 1
82. re 2 10 GEV Device Selection Procedure displaying the selected camera 3 Select camera model to configure and click on Set IP Address GEV Device Selection 4 Refreshing Interface Information a E system Description Intel R PRO 1000 GT Desktop Adap Network Interface 00 16 76 d7 10 11 192 168 1 156 MAC D0 1b 21 07 ac 88 E A eBUS Interface 00 1b 21 07 ac 8e 192 168 5 1 P dess o K M1Y1 D1312 80 GB 12 00 11 1c 00 65 3d 169 254 245 176 Defauk Gateway L GigE Yision Device Information mac 00 11 1c 00 65 3d IP 169 254 245 176 Subnet Mask 255 255 0 0 Default Gateway 0 0 0 0 Vendor Photonfocus AG Model MV1 D1312 80 GB 12 Access Status Unknown Manufacturer Info Photonfocus AG 00140622 Version Version 0 1 02 01 12 Serial Number User Defined Name Protocol Version 10 IP Configuration Invalid on this interface License Show unreachable GigE Vision Devices Set IP Address Figure 2 11 GEV Device Selection Procedure displaying GigE Vision Device Information 2 6 Getting started 2 How to get started 3D GigE G2 4 Select a valid IP address for selected camera see Fig There should be no exclamation mark on the right side of the IP address Click on 0k in the Set IP Address dialog Select the camera in the GEV Device Selection dialog and click on Ok Set IP Address NIC Configuration MAC Address 00 1b 21 38 8d 99 IP Address 169 254 209 228 Subnet Mask 2
83. roller 6 12 PLC Settings 103 6 Software 6 12 4 PLC Settings for A B Trigger from single ended inputs This configuration maps the single ended inputs to the A B camera inputs ISO_INO is mapped to the A signal and ISO_IN1 to the B signal see 6 4 the visibility in the PF_GEVPlayer must be set to Guru for this purpose Feature Value Category TriggerMode On AcquisitionControl TriggerSource ABTrigger AcquisitionControl PLC_I0 LineO lt PLC gt SignalRoutingBlock PLC _I1 Line1 lt PLC gt SignalRoutingBlock PLC_Q6_VariableO PLC_IO lt PLC gt LookupTable Q6 PLC_Q6_OperatorO Or lt PLC gt LookupTable Q6 PLC_Q6_Variable1 Zero lt PLC gt LookupTable Q6 PLC_Q6_ Operator Or lt PLC gt LookupTable Q6 PLC_Q6_Variable2 Zero lt PLC gt LookupTable Q6 PLC_Q6_Operator2 Or lt PLC gt LookupTable Q6 PLC_Q6_Variable3 Zero lt PLC gt LookupTable Q6 PLC_Q7_VariableO PLC_11 lt PLC gt LookupTable Q7 PLC_Q7_Operator0 Or lt PLC gt LookupTable Q7 PLC_Q7_Variable1 Zero lt PLC gt LookupTable Q7 PLC_Q7_Operator1 Or lt PLC gt LookupTable Q7 PLC_Q7_Variable2 Zero lt PLC gt LookupTable Q7 PLC_Q7_Operator2 Or lt PLC gt LookupTable Q7 PLC_Q7_Variable3 Zero lt PLC gt LookupTable Q7 Table 6 4 PLC Settings for A B Trigger from single ended inputs lt PLC gt in category IPEngine ProgrammableLogicController 6 13 Miscellaneous Properties 6 13 1 DeviceTemperature
84. rted 3D GigE G2 ie Setup PFInstaller Win 32Bit x86 Select Components Which components should be installed Select the components you want to install clear the components you do not want to install Click Next when you are ready to continue PFRemote and SD USB environment For any Photonfocus USB camera Z PF3DSuite2 and SDK DR1 support and 3rd Party Tools PF_GEVPlayer and doc for GigE cameras Current selection requires at least 78 4 MB of disk space Figure 2 3 PFInstaller components choice 12 2 4 Network Adapter Configuration This section describes recommended network adapter card NIC settings that enhance the performance for GigEVision Additional tool specific settings are described in the tool chapter 1 Open the Network Connections window Control Panel gt Network and Internet Connections gt Network Connections right click on the name of the network adapter where the Photonfocus camera is connected and select Properties from the drop down menu that appears 4 Local Area Connection 2 Properties General Advanced Connect using E Intel R PRO 1000 GT Desktop Adar This connection uses the following items eBUS Universal Pro Driver a File and Printer Sharing for Microsoft Networks JE QoS Packet Scheduler Y i Install Uninstall Description eBUS Universal Pro Filter Driver C Show icon in notification area whe
85. s included in the PFInstaller gt There is also a GEVPlayer in the Pleora eBUS package It is recommended to use the PF_GEVPlayer as it contains some enhancements for Photonfocus GigE cameras 6 2 1 PF_GEVPlayer main window After connecting the camera see Chapter 2 the main window displays the following controls see Fig 6 1 Disconnect Disconnect the camera Mode Acquisition mode Play Start acquisition Stop Stop acquisition Acquisition Control Mode Continuous Single Frame or Multi Frame modes The number of frames that are acquired in Multi Frame mode can be set in the GEV Device Control with AcquisitionFrameCount in the AcquisitionControl category 93 6 Software Communication control Set communication properties GEV Device control Set properties of the camera head IP properties and properties of the PLC Programmable Logic Controller see also Section 5 6 and document PLC Image stream control Set image stream properties and display image stream statistics GEVP layer File Tools Help Connection IP address MAC address Manufacturer Model Name Acquisition Control Mode Channel Parameters and Controls Communication control GEV Device control Stream Oimages N A FPS N A Mbps Display N A FPS Image stream control Error count O Last error N A Figure 6 1 PF_GEVPlayer main window 6 2 2 GEV Control Windows Thi
86. s section describes the basic use of the GEV Control windows e g the GEV Device Control window The view of the properties in the control window can be changed as described below At start the properties are grouped in categories which are expanded and whose title is displayed in bold letters An overview of the available view controls of the GEV Control windows is shown in Fig To have a quick overview of the available categories all categories should be collapsed The categories of interest can then be expanded again If the name of the property is known then the alphabetical view is convenient If this is the first time that you use a Photonfocus GigE camera then the visibility should be left to Beginner The description of the currently selected property is shown at the bottom ot the window e After selecting a property from a drop down box it is necessary to press lt Enter gt or to click with the mouse on the control window to apply the property value to the camera 94 Expand all Collapse all Visibility categories categories selection GEV Device Control x Toggle category gt sonaba view ADSL vo ro AG IN A S NA S A Expand DeviceContra category Mi ImageFormatControl Collapse CEI catagory Height 1082 PixelFormat Mono TestImageSelector Off Offsetx 0 Offset 0 AcquisitionControl AcquisitionMode Continuous AcquisitionStart Command AcquisitionStop Command Property idth of the Image
87. should be set to a value that the resulting frame rate is below 200 for most applications see also Section 4 2 9 The resulting frame rate is the trigger rate divided by FrameCombine_NrOfFrames In free running mode TriggerMode Off the frame rate can be read from the property AcquisitionFrameRateMax in category AcquisitionControl The lower the resulting frame rate the fewer interrupts are generated by the GigE driver and the less load is produced on the computer s CPU E g if the trigger rate is 4000 fps then FrameCombine_NrOfFrames should be set to 20 or more 6 If FrameCombine is used then the parameter FrameCombine_Timeout in microseconds should be set see also Section 4 2 9 The value should be higher than the longest time between triggers e g if the trigger rate is constant then it could be set to twice the time between triggers 7 If FrameCombine is used then FrameCombine_Enable should be set to True 8 Read the value of the parameter HeightInterface and set Height to this value 6 6 Height setting 97 6 Software 6 8 Data rate restriction Tests have shown that the maximal data rate for GigE Vision is ca 864 Mbit s when using a point to point connection with no switch or hub in between The maximal data rate depends on various factors Network Interface Card NIC NIC settings e Computer CPU model CPU load The user must test its setup under real conditions to make shure that the intended data rate
88. start the computer please click on Yes to restart the computer before proceeding 4 After the computer has been restarted open the eBUS Driver Installation tool Start gt All Programs gt eBUS SDK gt Tools gt Driver Installation Tool see Fig 2 2 If there is more than one Ethernet network card installed then select the network card where your Photonfocus GigE camera is connected In the Action drop down list select Install eBUS Universal Pro Driver and start the installation by clicking on the Install button Close the eBUS Driver Installation Tool after the installation has been completed Please restart the computer if the program asks you to do so eBUS Driver Installation Tool File Help Network Adapter MAC Description Current Driver Action 00 19 d1 6d 82 0c Intel R 82566DC Gigabit Network Connect Manufacturer Driver Do Nothing 00 1b 21 38 8d 99 Intel R PRO 1000 GT Desktop Adapter Manufacturer Driver Install eBUS Universal Pro Driver Learn more about drivers Close Figure 2 2 eBUS Driver Installation Tool 5 Download the latest PFinstaller from the Photonfocus server and install it Install the PFInstaller by double clicking on the file In the Select Components see Fig dialog check PF_GEVPlayer and doc for GigE cameras For DR1 cameras select additionally DR1 support and 3rd Party Tools For 3D cameras additionally select PF3DSuite2 and SDK 2 3 Software Installation 11 2 How to get sta
89. t connected Q4 PLC gt camera head PLC_Q4 camera trigger Q5 PLC gt camera head Reserved for future use Q6 PLC gt camera head Incremental encoder A signal Q7 PLC gt camera head Incremental encoder B signal Table 5 2 Connections to from PLC 92 Software 6 1 Software for MV1 D1312 3D02 160 G2 The following software packages for Photonfocus MV1 D1312 3D02 160 G2 camera are available on the Photonfocus website eBUS SDK Contains the Pleora SDK and the Pleora GigE filter drivers Many examples of the SDK are included PFinstaller Contains the PF_GEVPlayer the PF 3D Suite and SDK a property list for every GigE camera and additional documentation and examples PF 3D Suite and SDK Visualization tool for Photonfocus 3D cameras This tool is described in a separate manual MANO53 and is included in the PFinstaller 6 2 PF_GEVPlayer The camera parameters can be configured by a Graphical User Interface GUI tool for Gigabit Ethernet Vision cameras or they can be programmed with custom software using the SDK A GUI tool that can be downloaded from Photonfocus is the PF_GEVPlayer How to obtain and install the software and how to connect the camera is described in Chapter 2 After connecting to the camera the camera properties can be accessed by clicking on the GEV Device control button see also Section 6 2 2 CE The PF_GEVPlayer is described in more detail in the GEVPlayer Quick Start Guide GEVQS which i
90. tarts immediately after the camera is ready and the maximal possible frame rate is attained if AcquisitionFrameRateEnable is disabled Settings for free running trigger mode TriggerMode Off In Constant Frame Rate mode AcquisitionFrameRateEnable True exposure starts after a user specified time has elapsed from the previous exposure start so that the resulting frame rate is equal to the value of AcquisitionFrameRate Software Trigger The trigger signal is applied through a software command TriggerSoftware in category AcquisitionControl Settings for Software Trigger mode TriggerMode On and TriggerSource Software Line1 Trigger The trigger signal is applied directly to the camera by the power supply connector through pin ISO_IN1 see also Section A 1 A setup of this mode is shown in Fig and Fig The electrical interface of the trigger input and the strobe output is described in Section Settings for Line1 Trigger mode TriggerMode On and TriggerSource Line PLC_Q4 Trigger The trigger signal is applied by the Q4 output of the PLC see also Section 5 6 Settings for PLC_Q4 Trigger mode TriggerMode On and TriggerSource PLC_Q4 ABTrigger Trigger from incremental encoder see Section 4 6 7 Ces Some trigger signals are inverted A schematic drawing is shown in Fig PLC ISO_INO gt ISO_OUT1 PLC_Q4 ISO_IN1 Line Camera gt 5 Trigger SoftwareTrigger gt TriggerSource Figure 4 36
91. ted LinLog_Mode LinLog LinLog Mode Header_Serial Info Cameralnfo Serial number of the camera UserSetSave UserSetControl Saves the current camera settings to non volatile flash memory 6 6 Height setting The Height property must be set manually to the value of HeightInterface whenever a property relevant to the height setting is modified an example for this can be found in Section 6 7 The height relevant properties are e Window_H in category ImageFormatControl DecimationVertical in category ImageFormatControl e PeakDetector_Mode in category PeakDetector FrameCombine_NrOfFrames in category PeakDetector FrameCombine FrameCombine_Enable in category PeakDetector FrameCombine 6 7 3D Peak Detector settings This section describes how to the set the 3D properties These properties are described in Section 4 2 1 Set ROI for laser line detection through the properties OffsetX Width OffsetY Window_H and DecimationVertical all in category ImageFormatControl 2 Set threshold value for laser peak with property PeakDetector_Threshold in category PeakDetector see also note in Section 3 Set PeakDetector_Mode in category PeakDetector to Mode_3Donly or to Mode_2Dand3D Note that Mode_3Donly should be selected for maximal frame rate 4 If PeakDetector_Mode is set to PeakDetector then skip steps 8 to 10 and continue at step 11 The number of frames of the FrameCombine feature FrameCombine_NrOfFrames
92. ter can be reset by the software in the SDK Counter width 32 bit Missed trigger counter The missed trigger counter counts trigger pulses that were ignored by the camera because they occurred within the exposure or read out time of an image In free running mode it counts all incoming external triggers counter width 8 bit no wrap around Missed burst trigger counter The missed burst trigger counter counts trigger pulses that were ignored by the camera in the burst trigger mode because they occurred while the camera still was processing the current burst trigger sequence Missed FrameCombine trigger counter Counts missed triggers due to the FrameCombine feature see also Section A missed FrameCombine trigger can occur if a trigger is applied while filler rows are added to a frame due to a FrameCombine abort 78 4 11 2 Status Information Status information is inserted in the 4 LSB in the last 3D data row see bits labeled STAT in Fig 4 9 LSB are transmitted first see 4 11 The status information is divided in fields of 32 bits each where every information field corresponds to one information parameter see 4 12 Unused bits are set to 0 ero ci coa cas fem STAT 3 0 STAT 7 4 STAT 11 8 STAT 15 12 STAT 4 n 3 4 n Table 4 11 STAT value Status bits Parameter Description STAT 23 0 IMG_CNT 23 0 Image counter see also Section 4 11 1 STAT 63 32 RT_CNT 31
93. tification area when connected Notify me when this connection has limited or no connectivity Figure 2 8 Local Area Connection Properties 2 5 Network Adapter Configuration for Pleora eBUS SDK 17 2 How to get started 3D GigE G2 2 6 Getting started This section describes how to acquire images from the camera and how to modify camera settings 1 Open the PF_GEVPlayer software Start gt All Programs gt Photonfocus gt GigE_Tools gt PF_GEVPlayer which is a GUI to set camera parameters and to see the grabbed images see Fig 2 9 GEVP layer Eile Tools Help Connection Disconnect IP address MAC address Manufacturer Model Name Acquisition Control Mode Channel Data Channel 0 Play Stop Parameters and Controls Communication control GEY Device control Image stream control Figure 2 9 PF_GEVPlayer start screen 18 2 Click on the Select Connect button in the PF_GEVPlayer A window with all detected devices appears see Fig If your camera is not listed then select the box Show unreachable GigE Vision Devices GEV Device Selection 4 Refreshing Interface Information a B System E Network Interface 00 16 76 d7 10 11 192 168 1 156 E e eBUS Interface 00 1b 21 07 ac 8e 192 168 5 1 585 MV1 D1312 80 GB 12 00 11 1c 00 65 3d 169 254 245 176 GigE Yision Device Information Cancel Figu
94. tion result in a higher frame rate O The minimum width must be positioned symmetrically towards the vertical cen ter line of the sensor as shown in Fig 4 14 A list of possible ROI settings is given in Table 4 3 gt 272 pixel gt 272 pixel modulo 32 pixel 4 gt a gt gt 272 pixel gt 272 pixel modulo 32 pixel a b Figure 4 14 Possible configuration of the region of interest with MV1 D1312 3D02 160 G2 CMOS camera Q It is recommended to re adjust the settings of the shading correction each time a new region of interest is selected 40 ROI Dimension Frame rate 3Donly mode Frame rate 2D8 3D mode 1280 x 1024 SXGA 116 fps 59 fps 1280 x 768 WXGA 154 fps 800 x 600 SVGA 305 fps 157 fps 640 x 480 VGA 463 fps 241 fps 1312 x 128 800 fps 445 fps 1312 x 64 1407 fps 858 fps 1312 x 16 3266 fps 2802 fps 544 x 128 1702 fps 985 fps 544 x 64 2813 fps 1814 fps minimum resolution 544 x 16 5500 fps 4920 fps Table 4 1 Frame rates of different ROI settings exposure time 10 us correction on and sequential readout mode Any region of interest may NOT be placed outside of the center of the sensor Examples shown in Fig illustrate configurations of the ROI that are NOT allowed a b Figure 4 15 ROI configuration examples that are NOT allowed 4 3 Reduction of Image Size 41 4 Funct
95. tions and the number of acquisitions can be configured by a user defined value via the camera software The burst trigger feature works only in the mode Camera controlled Exposure Time The burst trigger signal can be configured to be active high or active low When the frequency of the incoming burst triggers is higher than the duration of the programmed burst sequence then some trigger pulses will be missed A missed burst trigger counter counts these events This counter can be read out by the user The burst trigger mode is only available when TriggerMode On Trigger source is determined by the TriggerSource property The timing diagram of the burst trigger mode is shown in Fig 4 6 Trigger and Strobe 63 4 Functionality Gitter tpurst external trigger pulse input trigger after isolator trigger pulse internal camera control delayed trigger for burst trigger engine trigger delay delayed trigger for shutter control t burst period time trigger delay internal shutter control le trigger offset t exposure l l delayed trigger for strobe control Ustrobezdelay internal strobe control i Lan be offset Estrobe duration l l external strobe pulse output gt A Figure 4 41 Timing diagram for the burst trigger mode 64 MV1 D1312 3D02 160 G2 MV1 D1312 3D02 160 G2 ta iso input ta Rs 422 input tyitter tirig
96. uential mode ttrame 2 texp tro 42 Width MV1 D1312 3D02 160 G2 544 384 576 352 384 608 640 672 704 736 768 800 832 864 896 1248 1312 Table 4 3 Some possible ROI X settings Typical values of the readout time t o are given in Table 4 4 Calculation of the frame time simultaneous mode The calculation of the frame time in simultaneous read out mode requires more detailed data input and is skipped here for the purpose of clarity ROI Dimension 3Donly mode 2D8 3D mode 1312x 1024 t 8 71ms t 17 25 ms 1312 x 512 tro 4 40 ms t 8 63 ms 1312 x 256 tro 2 24 ms tro 4 31 ms 1312 x 128 tro 1 16 ms tro 2 16 ms 1312 x 64 tro 0 62 ms tro 1 08 ms Table 4 4 Read out time at different ROI settings in sequential read out mode amp A frame rate calculator for calculating the maximum frame rate is available in the support area of the Photonfocus website An overview of resulting frame rates in different exposure time settings is given in Table 4 5 4 3 Reduction of Image Size 43 4 Functionality Exposure time 3Donly mode 2D amp 3D mode 10 us 429 429 fps 227 227 fps 100 ps 413 425 fps 222 226 fps 500 ys 354 424 fps 204 225 fps 1ms 301 423 fps 185 225 fps 2 ms 231 423 fps 156 225 fps 5 ms 136 196 fps 106 196 fps 10 ms 81 99 fps 69 99 fps Table 4 5 Frame rates of different exposure tim
97. uousRecording Camera is ready to accept triggers according to the TriggerSource property Images are saved on the onboard memory of the IP engine until the memory is full The available memory is 24 MB ContinousReadout don t care All Images that have been previously saved by the ContinuousRecording mode are acquired from the IP engine s onboard memory Table 4 8 AcquisitionMode and Trigger 60 4 6 3 Exposure Time Control Depending on the trigger mode the exposure time can be determined either by the camera or by the trigger signal itself Camera controlled Exposure time In this trigger mode the exposure time is defined by the camera For an active high trigger signal the camera starts the exposure with a positive trigger edge and stops it when the preprogrammed exposure time has elapsed The exposure time is defined by the software Trigger controlled Exposure time In this trigger mode the exposure time is defined by the pulse width of the trigger pulse For an active high trigger signal the camera starts the exposure with the positive edge of the trigger signal and stops it with the negative edge gt Trigger controlled exposure time is not available in simultaneous readout mode External Trigger with Camera controlled Exposure Time In the external trigger mode with camera controlled exposure time the rising edge of the trigger pulse starts the camera states machine which controls the sensor and optional

Manual Photonfocus MV1-D1312-3D02-160

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