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1. XXX x musmndflb 22 of 99 RA14 131 003 vorks VA GigE series 7 Interface 71 General Description As shown in the following figure 3 types of connectors and status indicator LED are located on the back of the camera and have the functions as follows 0 Status LED displays power status and operation mode 2 45 Jack controls video data and the camera 3 4 pin Control Receptacle inputs external trigger signal and outputs strobe 4 6pin Power Input Receptacle supplies power to the camera Figure 7 1 VA GigE Series Back Panel X X A XM nancflb 23 of 99 RA14 131 003 7 7 2 RJ 45 Jack VA GigE series The 8 pin RJ 45 jack provides Ethernet access to the camera Pin assignments for the RJ 45 jack adhere to the Ethernet standard Figure 7 2 RJ 45 Jack PAIR List Pin SignalName Description Gigabit Ethernet Transceiver Gigabit Ethernet Transceiver Gigabit Ethernet Transceiver LE TXB Differential Gigabit Ethernet Transceiver Gigabit Ethernet Transceiver Gigabit Ethernet Transceiver Gigabit Ethernet Transceiver TXD jDiferenia Gigabit Ethernet Transceiver Table 7 1 Pin Assignments for the RJ 45 Jack
2. Effective Data ROI 18 Effective Data ROI Figure 9 RA14 131 003 69 of 99 2 J ih 4y orks VA GigE series 9 9 Balance White Auto Color Cameras The Balance White Auto feature is implemented on color cameras It will control the white balance of the image acquired from the color camera according to the GeryWorld algorithm Before using the Balance White Auto feature you need to set the Data ROI for Balance White Auto If you do not set the related Data ROI the pixel data from the Image ROI will be used to control the white balance As soon as the Balance White Auto parameter is set to Once the Digital Red Digital Green and Digital Blue will be set to 1 Then Digital Red and Digital Blue will be adjusted to control the white balance XML parameters related to the Balance White Auto and RGB Gain settings are as follows XML Parameters Value Description AnalogAll Apply gain to all analog taps Analog Tap1 Apply analog gain to Tap1 Analog Apply analog gain to Tap2 GainSelector DigitalRed Apply gain to red digital channel DigitalGreen Apply gain to green digital channel AnalogControl DigitalBlue Apply gain to blue digital channel Set an absolute physical gain value when Digital Gain 0 5 x2 0 Green or Blue is selected Off Balance White Auto Off BalanceWhiteAuto Once White Balance is adjusted once and then Off Table 911 XML Parameters related to Balance
3. X u X X X X X w X Zg nnmnc 24 of 99 RA14 131 003 GigE series 7 3 Control Receptacle The control receptacle is a Hirose 4 pin connector part HR10A 7R 4S and consists of an external trigger signal input and strobe output port The pin assignments and configurations are as follows Figure 7 3 Pin Assignments for 4 Pin Control Receptacle 1 Trigger Input Voltage difference of 3 3 V 24 V 10 Trigger Input Input l l optically isolated Programmable Output Du 3 3 V TTL Output utpu Default Strobe Out Output resistance 47 Table 7 2 Pin Configurations for Control Connector NO JI The mating connector is a Hirose 4 pin plug part HR10A 7P 4P or the equivalent connectors XK XX 25 of 99 RA14 131 003 OF 2 7 4 Power Input Receptacle VA GigE series The power input receptacle is a Hirose 6 pin connector part HR10A 7R 6PB The pin assignments and configurations are as follows Figure 7 4 Pin Assignments for Power Input Receptacle 12 3 12v DO DG Power 15 6 DG Ground DG Ground Table 7 3 Pin Configurations for Power Input Receptacle Connecting the power cable to the camera can be made by using the Hirose 6 pin plug part HR10A 7P 6S
4. 67 9 8 Data ROI Color Cameras nennen nnne nena 68 9 9 Balance White Auto Color Cameras 70 9 10 cair wia lack COVO 71 9 10 1 Analog Domain MM 71 9 10 2 Bene ABs RET EE Y 72 9 11 X 73 9 12 CONECO oraora TO OE 75 9 12 1 Comecon Method NN 75 9 12 2 Correction Method in Binning Mode nnns 76 9 13 Flat ______________ 77 9 14 DET TURE E Tm 80 9 15 Fan Control Only available on VA 29MQ2 80 9 16 MMT 81 9 17 82 4 of 99 RA14 131 003 works VA GigE series 9 18 qii P 84 9 19 NET 85 9 20 EVENTO 86 9 21 e HHm 87 9 22 RESET 87 9 23 Jeer Rede 88 9 24 FEI UDI c 88 Appendix gt Defective Pixel Map 89 Appendix LUT Download
5. g X A X ll 34 of 99 RA14 131 003 an 1 orks VA GigE series 8 3 2 Using a Software Trigger Signal If the Trigger Mode parameter is set to On and the Trigger Source parameter is set to Software you must apply a software trigger signal exposure start to the camera to begin each frame acquisition Assuming that the camera is in a waiting for exposure start trigger acquisition status frame exposure will start when the software trigger signal is received by the camera Figure 8 2 illustrates frame acquisition with a software trigger signal When the camera receives a software trigger signal and begins exposure it will exit the waiting for exposure start trigger acquisition status because at that point it cannot react to a new exposure start trigger signal As soon as the camera is capable of reacting to a new exposure start trigger signal it will automatically return to the waiting for exposure start trigger acquisition status When you are using a software trigger signal to start each frame acquisition the camera s Exposure Mode parameter must be set to Timed The exposure time for each acquired frame will be determined by the value of the camera s Exposure Time parameter When you use a software trigger signal to acquire frames be aware that there is a Trigger e Latency due to the characteristics of the Gigabit Ethernet Use an external trig
6. oe MEN PS Figure 5 1 Camera Block Diagram gt controls and data processing of GigE cameras are carried in one FPGA chip The FPGA generally consists of a 32 bit RICS Micro Controller and Processing amp Control Logic The Micro Controller receives commands from the user through the Gigabit Ethernet interface and then processes them The FPGA controls the Timing Generators TGs and the Analog Front End AFE chips where the TGs generate CCD control signals and AFE chips convert analog CCD output to digital values to be accepted by the Processing amp Control Logic The Processing amp Control Logic processes the image data received from AFE and then transmits data through the Gigabit Ethernet interface And also the Processing amp Control Logic controls the trigger input and output signal which are sensitive to time Furthermore DDR2 for operating Micro Controller and for used as Gigabit Ethernet frame buffer SDRAM for used as a frame buffer to process images Gigabit Ethernet Controller and Flash memory for saving system codes and defect coordinates are installed outside FPGA X X XX 12 of 99 RA14 131 003 VA GigE series K 5 4 Spectral Response 5 4 1 Mono
7. Defect Defect File InFormation 1 File Path WDaocuments and Settings Myvieworks Wdefect defeckData c 2 File Size ouch 1 Camera Defect 2 Download Defect OO 90 Camera Defect Download Download Upload ta PC 4 After completing the download click the OK button to close the confirmation X M M XX X ed 90 of 99 RA14 131 003 vorks VA GigE series Appendix B LUT Download LUT data can be created in two ways by adjusting the gamma values on the gamma graph provided in the program and then downloading the data or by opening a CSV file csv and then downloading the data B 1 Luminance LUT B 1 1 Gamma Graph Download 1 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below Select the LUT tab and then select Luminance from the Type dropdown list 2 Seta desired value in the Gamma input field and click the Apply button Device Maintenance MCU FPGA Defect LUT 4095 Point Clear a 1023 2047 3071 55 Camera LUT Download Upload Upload to X X C 91 of 99 RA14 131 003 NOrKS VA GigE series 3 Click the Download button to download the gamma set to the cam
8. 91 B 1 PETTING OU f 91 B 1 1 Gamma Graph 91 Bite CSV File 93 Appendix C Field nnmnnn mnnn 95 C 1 er 95 C 2 xut 97 S 98 A X s 5 of 99 RA14 131 003 7 d ih My Ty VA GigE series 1 Precautions General CAUTION Do not drop damage disassemble repair or alter the device Do not let children touch the device without supervision Do not use the device for any other purpose than specified Contact your nearest distributor in case of trouble or problem Installation and Maintenance CAUTION Power Supply CAUTION Do not install the device in a place subject to direct sun light humidity dust or soot Do not place magnets near the product Do not place the device next to heating equipment Be careful not to let liquid like water drinks or chemicals leak inside the device Clean the device often to remove dust on it In clearing do not splash water on the device but wipe it out with a smooth cloth or towel Applying incorrect power can damage the camera If
9. X sms 81 of 99 RA14 131 003 wW works VA GigE series 9 17 Test Image To check whether the camera operates normally or not it can be set to output test images generated in the camera instead of the image data from the CCD Three types of test images are available image with different value in horizontal direction Grey Horizontal Ramp image with different value in diagonal direction Grey Diagonal Ramp and moving image with different value in diagonal direction Grey Diagonal Ramp Moving XML parameters related to Test Image are as follows XML Parameters Description Test Image Off Set to Grey Horizontal Ramp ImageFormatControl TestlmageSelector Set to Grey Diagonal Ramp GreyDiagonalRampMoving Set to Grey Diagonal Ramp Moving Table 9 19 XML Parameter related to Test Image Figure 9 25 Grey Horizontal Ramp YP XX 7 lb 82 of 99 RA14 131 003 works VA GigE series Figure 9 26 Grey Diagonal Ramp Figure 9 27 Grey Diagonal Ramp Moving The test image may look different because the region of the test image may vary depending on the camera s resolution CAUTION 83 of 99 RA14 131 003 vieworks VA GigE series 9 18 Reverse X The Reverse X feature let you flip the image horizontally This feature is available in all operation modes Figure 9 28 Original Imag
10. s internal ROM The camera provides two setups to save and three setups to load settings XML parameters related to User Set Control are as follows XML Parameters Description Default Select the Factory Default settings UserSetSelector UserSet1 Select the User settings UserSet2 Select the User Set2 settings Load the User Set specified by User Set Selector UserSetLoad to the camera UserSetControl Save the current settings to the User Set specified UserSetSave by User Set Selector Default is allowed to load only Default Apply the Factory Default settings when reset UserSetDefaultSelector UserSet1 Apply the User Set1 settings when reset UserSet2 Apply the User Set2 settings when reset Table 9 24 XML Parameters related to User Set Control 9 24 Field Upgrade The camera provides a feature to upgrade Firmware and FGPA logic through Gigabit Ethernet interface rather than disassemble the camera in the field Refer to Appendix C for more details on how to upgrade X sm nnd 88 of 99 RA14 131 003 VA GigE series Appendix A Defective Pixel Map Download 1 Create the Defective Pixel Map data in Microsoft Excel format as shown in the left picture below and save as a CSV file csv The picture in the right shows the created Excel file opened in Notepad The following rules need to be applie
11. IR Level value of original image IB Black offset value M Average value of image after correction IF Level value of Flat Field data In actual use conditions generate a Flat Field data IF and perform the Flat Field Correction feature according to the following procedures 1 Set the binning mode as desired 2 Set the number of frames to be acquired for generating the Flat Field data into the Ffc Frames parameter 3 Execute Ffc Generate parameter The series of frames will be averaged and scaled down to 1 16 pixel Then the camera will generate the Flat Field data 4 Execute the Ffc Save parameter to save the generated Flat Field data in the non volatile memory When the Flat Field data are applied for correction the Flat Field data which were scaled down will be enlarged via Bilinear Interpolation as shown in the Figure 9 24 5 Set the average value in the Ffc Target Level parameter and the Ffc Mode parameter to On Then the Flat Field data will be applied to the camera e Executing Ffc Generate parameter will ignore the current camera settings and will temporarily change the camera settings to operate under the following default conditions When the generation of the Flat Field data is completed the original settings of the camera will be restored If the Trigger Mode parameter is set to On and the Trigger Source parameter is set to Software you must provide the number of trigger signals equal to th
12. 1 2 4 8 16 FfcFrames in the better data however it takes more time to generate the data FfcGenerate Generate the Flat Field data ELI FlatFieldCorrection Save the generated Flat Field data in the non volatile memory The generated data by executing the FfcGenerate parameter are saved in the volatile memory and the data lost if the camera is reset or if power is turned off To use the data after the camera is powered on or reset save them in the non volatile memory Load the Flat Field data from the non volatile memory FfcLoad into volatile nto volatilo memory J O t If the current setting values for the Binning Horizontal and Binning Vertical parameters are different from the setting values at the time when you generate the Flat Field data the Flat Field Correction feature is not available even if you set the Ffc Mode parameter to On Table 9 16 XML Parameters related to Flat Field Correction X X zsmncflb 79 of 99 RA14 131 003 V 9 14 Temperature Monitor GigE series A sensor chip is embedded in the camera to monitor the internal temperature XML parameter related to Device Temperature is as follows XML Parameters Description DeviceControl DeviceTemperature Display device temperature in Celsius Table 9 17 XML Parameter related to Device Temperatu
13. 20 Digital IO Control StrobeOutDelay 5 X X X X v 85 of 99 RA14 131 003 Aa 4 n tw y orks VA GigE series The camera can provide a Strobe Out output signal The signal goes high when the exposure time for each frame acquisition begins and goes low when the exposure time ends as shown in Figure 9 35 This signal can be used as a flash trigger and is also useful when you are operating a system where either the camera or the object being imaged is movable Typically you do not want the camera to move during exposure You can monitor the Strobe Out signal to know when exposure is taking place and thus know when to avoid moving the camera Exposure Exposure Frame N Frame N 1 p am strobe Out EM i Bo Delay Strobe Out Signal Figure 9 30 Strobe Out Signal not drawn to scale 9 20 Event Control VA GigE camera provides an Event Notification feature With the Event Notification feature the camera can generate an event and transmit a related event message to the PC whenever a specific situation has occurred The camera can generate and transmit events for the following type of situation e The end of an exposure has occurred Exposure XML parameters related to Event Control are as follows XML Parameters Value Description Select which partic
14. 63 of 99 RA14 131 003 VA GigE series Bayer Format When you set the Pixel Format parameter to any Bayer Format in the color camera the bits of pixel data will be reordered to bytes and then will be stored in the frame buffer in the same way as Mono Format For example if you set the Pixel Format parameter to Bayer GR 10 Packed the pixel data will be reordered and stored in the frame buffer as shown in the Figure 9 21 10 least significant bits of green data will be stored in Byte 0 and Byte 1 and 10 most significant bits of red data will be stored in Byte 2 and Byte 1 The bit order is shown in the first figure below After saving 1 horizontal line of G R pattern pixel data 2 horizontal line of B G pattern pixel data will be stored as shown in the second figure below G R pattern Horizontal Direction and B G pattern Horizontal Direction pixel data will be stored repeatedly as a line Vertical Direction Pixel Data 2 1 Red Pixel Data 1 1 Green C oec gt 1 Line gt Horizontal Direction MSB LSB 8 bit 2 bit 2 bit 8 bit 2 Line 98765432 XX10 98765432 Vertical Direction Figure 9 17 Bayer Format XXX X lb 64 of 99 RA14 131 003 VA GigE series 9 5 Pixel Clock VA GigE camera provides a unique way to control the camera speed and frame rate You can select the pix
15. Black Level parameter X XM M X XX mummnc lb 71 of 99 RA14 131 003 2 J ih 4y Woy orks VA GigE series 9 10 2 Digital Domain VA GigE camera has a built in digital gain and black level control XML parameters related to Gain and Black Level are as follows XML Parameters Value Description AnalogAll Apply gain to all analog taps Apply analog gain AnalogTap2 Apply analog gain to Tap2 GainSelector Gain AnalogControl GainAutoBalance DigitalRed Apply gain to red digital channel DigitalGreen Apply gain to green digital channel DigitalBlue Apply gain to blue digital channel Set an absolute physical gain value lt AnalogAll 1 0 x40 Analog 2 0 96 x65 Off Gain Auto Balance Off Gain Balance for each tap is adjusted once and then Off All Apply black level to all taps Once BlackLevelSelector Apply black level to Tap2 Apply black level to Tap2 Set an absolute physical black level value BlackLevel 0 255 0 127 LSB 12bit t Agjustable value range when the Gain Selector parameter is set to Analog All and the Gain parameter is set to 1 The adjustable value range may vary depending on the Gain setting value for Analog All t The illumination must be of uniform intensity throughout the sensor when performing Gain Aut
16. Camera Spectral Response The following graphs show the spectral response for VA GigE series monochrome cameras 0 50 Measured with AR coated cover glass per package type 0 45 0 40 Absolute Quantum Efficiency 360 400 450 500 S50 650 760 800 850 8DO 950 1000 1050 1109 Wavelength nm GLEC Figure 5 2 VA 1MG2 M70 Spectral Response Measured with AR coated cover glass per package type Absolute Quantum Efficiency e i 350 400 450 500 550 600 650 700 750 800 850 9500 950 1000 1050 1100 Wavelength nm CLCC Figure 5 3 VA 2MG2 M42 Spectral Response X X X RA14 131 003 13 of 99 eworks VA GigE series 0 50 0 45 Measured with AR coated cover glass per package type 0 40 tn e 5 Absolute Quantum Efficiency 1 t B 0 15 0 10 0 05 350 400 450 500 550 600 650 700 750 600 850 900 850 1000 1050 4100 Wavelength nm CLOC Figure 5 4 VA 2MG2 M39 Spectral Response Measured with AR coated cover glass 0 30 Absolute Quantum Efficiency 2 E an ____ _ LLL ______ _____ 351 450 0 1000 1050 1100 gt o
17. White Auto XX X X X P nmsmmd 70 of 99 RA14 131 003 7 1 gt e WOTKES 9 10 Gain and Black Level VA GigE series You can set the analog VGA and digital gain factor to adjust the gain The black level is adjusted by removing the optical black offset from the CCD so that the effect of dark current will be minimized 9 10 1 Analog Domain The VA GigE camera has one Analog Signal Processor or Analog Front End AFE for each channel This AFE consists of Correlated Double Sampler CDS Variable Gain Amplifier VGA Black Level Clamp and 14 bit A D converter ANALOG CDS VGA 14 BIT E 14 BIT CCD IN GAIN GAIN A ADC LVDS 1 40 times LEVEL CLAMP Figure 9 19 Block Diagram You can change the gain and black level value by inputting proper value into the registers for gain and black level adjustments inside the AFE The CDS gain value is set in the factory during the manufacturing process therefore you cannot change the value The VGA gain is the same as the analog gain You can set the analog gain for all analog taps or each tap You can determine whether to control the gain balance between each tap manually or automatically by setting the Gain Auto Balance parameter to Off or Once To balance the black level between each tap use the
18. bits will be stored in Byte 1 Pixel Data 1 will be stored in Byte 2 and the rest 2 bits will be stored in Byte 1 Pixel Data 1 Pixel Data 0 Coo A gt Byte 2 Byte O Figure 9 14 Mono 10 Packed Format 62 of 99 RA14 131 003 B vieworks VA GigE series Mono 12 With the camera set to Mono 12 the pixel data output is 12 bit monochrome unsigned and unpacked type This type is divided into two bytes when 12 bit pixel data are stored in the frame buffer 8 bits of pixel data will be stored in Byte 0 and the rest 4 bits will be stored in Byte 1 The rest 4 bits of Byte 1 will not be used Pixel Data 8 bit XXXX 111098 76543210 Byte 0 Figure 9 15 Mono 12 Format Mono 12 Packed With the camera set to Mono 12 Packed the pixel data output is 12 bit monochrome unsigned and GigE Vision specific packed type This type will be divided into three bytes when 24 bit pixel data are stored in the frame buffer 8 bits of pixel data 0 will be stored in Byte 0 and the rest 4 bits will be stored in Byte 1 8 bits of pixel data 1 will be stored in Byte 2 and the rest 4 bits will be stored in Byte 1 Pixel Data 1 Pixel Data 0 gt 8 bit 4 bit 4 bit 8 bit T 10 9 0 9 4 3210 3210 11 1098765 4 Byte 2 Byte 1 Byte 0 Figure 9 16 Mono 12 Packed Format X nrn K XOXsX r nndflb
19. by the E Exposure Time parameter teub and Transfer Pulse Offset value are compensated Figure 8 9 Real Exposure with Timed Exposure Mode X s MM X 33 XX 44 of 99 RA14 131 003 Ww vorks VA GigE series 8 6 2 Trigger Width Exposure Mode When the Trigger Width mode is selected the exposure time is controlled by the external trigger signal The camera generates a shutter signal to clear pixels when an external trigger signal is applied The exposure time begins when the shutter signal falls and continues until the tpd Photodiode Transfer signal falls As Figure 8 10 shows there is an Exposure Start Delay refer to Table 8 3 between the rise of the external trigger signal and the rise of the shutter signal There is difference between the width of the external trigger signal and the exposure time as much as the tsub value of the shutter signal and Transfer Pulse Offset value tog tap You can calculate an actual exposure time by using the following formula e Exposure Time Trigger Width tgp tod tsub External Trigger Signal Width External Exposure Start Trigger Signal gt i Exposure Start Delay shutter Signal ites Offset value Transfer Pulse a a Dp toa a Duration determined by the External Trigger Signal Width teub and Transfer Pulse Offset value Real Exposure Figure 8 1
20. for triggering by the user This use case is commonly referred as free run e When you operate the camera in free run you must set the Trigger Overlap parameter to Readout to achieve optimal camera performance The rate at which the exposure start trigger signals are generated may be determined by the camera s Acquisition Frame Rate parameter the parameter is set to a value less than the maximum allowed frame rate with the current camera settings the camera will generate exposure start trigger signals at the rate specified by the parameter setting e parameter is set to a value greater than the maximum allowed frame rate with the current camera settings the camera will generate exposure start trigger signals at the maximum allowed frame rate Exposure Time Control with Trigger Mode z Off When the Trigger Mode parameter is set to Off the exposure time for each frame acquisition is determined by the value of the camera s Exposure Time parameter For more information about the Exposure Time parameter see 8 4 Setting the Exposure Time X X X X X X X 33 of 99 RA14 131 003 orks VA GigE series 8 3 1 2 Trigger Mode On When the Trigger Mode parameter is set to On you must apply an exposure start trigger signal to the camera each time you want to begin a frame acquisition The Trigger Sourc
21. from frame to frame M X P nifl 30 of 99 RA14 131 003 V 8 2 Acquisition Start Stop Commands and Acquisition Mode VA GigE series Executing an Acquisition Start command prepares the camera to acquire frames You must execute an Acquisition Start command before you can begin acquiring frames Executing an Acquisition Stop command terminates the camera s ability to acquire frames When the camera receives an Acquisition Stop command camera is not in the process of acquiring a frame its ability to acquire frames will be terminated immediately camera is in the process of acquiring a frame the frame acquisition process will be allowed to finish and the camera s ability to acquire new frames will be terminated The camera s Acquisition Mode parameter has three settings Single Frame Multi Frame and Continuous The use of Acquisition Start and Acquisition Stop commands and the camera s Acquisition Mode parameter setting are related If the camera s Acquisition Mode parameter is set to Single Frame after an Acquisition Start command has been executed a single frame can be acquired When acquisition of one frame is complete the camera will execute an Acquisition Stop command internally and will no longer be able to acquire frames To acquire another frame you must execute a new Acquisition Start command If the camera s Acquis
22. tap e Binning feature If binning is enabled the maximum allowed frame rate will increase e The amount of time it takes to read an acquired frame out of the imaging sensor and into the camera s frame buffer This time varies depending on the setting for the Height parameter Frames with a smaller height take less time to read out of the sensor The frame height is determined by the camera s Height settings Image Format Control e exposure time for acquired frames If you use very long exposure times you can acquire fewer frames per second Decreasing the Height parameter can increase the maximum allowed frame rate however the Width parameter does not affect the frame rate When the camera s Acquisition Mode is set to Single Frame the maximum possible acquisition frame rate for a given ROI cannot be achieved This is true because the camera performs a complete internal setup cycle for each single frame and because it cannot be operated with Trigger Overlap Readout mode To achieve the maximum possible acquisition frame rate set the Acquisition Mode parameter to Continuous and the Trigger Overlap parameter to Readout X X __ e mmc 49 of 99 RA14 131 003 A i 4y i y orks VA GigE series 8 8 1 Increasing the Maximum Allowed Frame Rate You may find that you would like to acquire frames a
23. the voltage applied to the camera is greater or less than the camera s nominal voltage the camera may be damaged or operate erratically Please refer to 5 2 Specifications for the camera s nominal voltage x Vieworks Co Ltd does NOT provide power supplies with the devices 2 Warranty Do not open the housing of the camera The warranty becomes void if the housing is opened For information about the warranty please contact your local dealer or factory representative X X PCo 6 of 99 RA14 131 003 orks VA GigE series 3 Compliance amp Certifications 3 1 FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expenses 3 2 EMC Directive 2004 108 EC Testing Standard EN 55022 2006 1 2007 EN 55024
24. triggering the exposure time begins when the external trigger signal rises and continues until the external trigger signal falls If the camera is set for falling edge triggering the exposure time begins when the external trigger signal falls and continues until the external trigger signal rises Figure8 5 illustrates Trigger Width exposure with the camera set for rising edge triggering Trigger Width exposure is especially useful if you intend to vary the length of the exposure time for each frame External Trigger Signal Period External Trigger Signal LI PEN Exposure duration determined by the External Trigger Signal Width Figure 8 5 Trigger Width Exposure Mode u XX X 38 of 99 RA14 131 003 orks VA GigE series 8 3 3 2 Double Exposure When the Double Exposure mode is selected two frames can be acquired in rapid succession using a single trigger signal The exposure time for the first frame begins according to the current camera settings when the trigger signal is applied to the camera Once the exposure for the first frame is complete the camera reads out the sensor data At this point the exposure time for the second frame begins Then the camera reads out the sensor data for the second frame after reading out the sensor data for the previous frame In the Double Exposure mode the exposure time for the second frame equals to the readout tim
25. 0 Exposure with Trigger Width Exposure Mode X XX X1 as 45 of 99 RA14 131 003 vorks VA GigE series The tsub and Transfer Pulse Offset value are determined by the CCD sensor used in the camera The following table shows the and Transfer Pulse Offset values for VA GigE series Real Exposure Parameters Real Exposure Parameters _____ 28 VA 1MG2 EXER tsup Shutter Transfer VA 2MG2 tgp VCCD leading pedestal VA 8MG2 tod Photodiode transfer signal tag VCCD trailing pedestal signal VA 29MG2 11 us Exposure Start Delay Trigger Latency Trigger Jitter Table 8 2 Real Exposure Parameters 46 of 99 RA14 131 003 NE n 4 y orks VA GigE series i 8 7 Acquisition Timing Chart Figure 8 11 shows a timing chart for frame acquisition and transmission The chart assumes that exposure is triggered by an externally generated exposure start trigger signal that the Trigger Activation parameter is set to Rising Edge and that the Exposure Mode parameter is set to Timed As shown in the figure below there is a slight delay between the rise of the exposure start trigger signal and the start of exposure After the exposure time for a frame acquisition is complete the camera begins reading out the acquired frame data fro
26. 1 Mono Camera Spectral Response eene nennen 13 5 4 2 Color Camera Spectral RESPONSE ccccccccccssssseeceeeeeeeaeeeeeeeceeeeseseeeseeeeeeeeseeeeueeeeeseessaaeaeeeeeeeeess 16 5 5 SOC Ill CAMO TT Em OO ETT 19 SE eril areas 21 6 1 ed edu ide aie 21 6 2 Precaution to Center the Image 22 6 3 Precaution about Blurring Compared to Center 22 6 4 Installing Vieworks Imaging 22 7 Camera 23 7 1 General Descriptio 23 7 2 mE E T T 24 7 9 SOMO CCC ec BRIT 25 7 4 Power Input 26 GG 27 7 6 CEE NCU jeer UTEM 27 8 iine 28 8 1 QUI 28 8 2 Acquisition Start Stop Commands and Acquisition Mode 31 X X X C K emndfl 3 of 99 RA14 131 003 VA GigE series 8 3 IO Seber MN 0 32 crow 32 8 3 2 Using a Software Trig
27. 1998 1 2001 2 2003 Class A 3 3 KC KCC Statement Type Description Class A This device obtained EMC registration for office use Class A and may Broadcasting Communication be used in places other than home Sellers and or users need to take Device for Office Use note of this m ndfl 7 of 99 RA14 131 003 W VA GigE series 4 Package Components Package Components VA Camera with C mount VA Camera with F mount Mount Plate Optional M5 Set Screws for Tilt Adjustment Provided only with F mount camera VA 29MG2 will be offered with a cooling fan It is also available without the fan upon request e You can adjust the tilt using the M5 set screws however it is not recommended since it is adjusted as factory default settings If the tilt settings need to be adjusted inevitably please contact your local dealer or factory representative for technical support 8 of 99 RA14 131 003 VA GigE series 5 Product Specifications 5 1 Model VA GigE series is a progressive scan high resolution industrial area scan cameras The camera uses an interline transfer CCD from Truesense Imaging Inc formerly Kodak Imaging Solution and provides superior noise performance resulting in high dynamic range All features of VA GigE series can be programmed and ea
28. Delay lt 42 4 ys 2 19 5 lt Delay lt 198 9 1 19 5 lt Delay x 115 8 2 Ti VA 29MG2 us elay us 2 Tap 17 5 lt Delay lt 195 9 1 Trigger Width 4 5 us 0 02 us 17 5 us lt Delay lt 112 8 ys 2 1 horizontal line time based on the Pixel Clock 50 for VA 1 2 4 8M and Pixel Clock 40 for VA 29M Table 8 3 Exposure Start Delay The exposure must always begin on an interline boundary of the CCD sensor For this D reason if a trigger signal is applied during the readout process there might be an Exposure Start Delay up to 1 horizontal line time The transmission time can vary due to the characteristics of the Ethernet network And also the transmission start delay can vary from frame to frame however it is very low significance when compared to the transmission time 48 of 99 RA14 131 003 p y Woy orks VA GigE series 8 8 Maximum Allowed Frame Rate In general the maximum allowed acquisition frame rate on the camera may be limited by several factors e The amount of time that it takes to transmit an acquired frame from the camera to your computer The amount of time needed to transmit a frame depends on the bandwidth assigned to the camera e setting for the Sensor Digitization Taps parameter If this parameter is set for Two taps you will be able to acquire frames at a higher rate than if it is set to One
29. Figure 5 9 VA 2MG2 C42 Spectral Response 16 of 99 RA14 131 003 VA GigE series eworks 2d with Cover il LI as noted T 5 5 5 3 4 125 TIS 875 925 1025 1075 dL REL Red Clear Green Claar s Blue Clear Red o Green MAR Blue MAR Figure 5 10 VA 2MG2 C39 Spectral Response p 5 5 i 00 375 425 ATS 525 575 625 Bra 725 775 825 875 925 975 1025 1075 Wavelength nm Red Clear Groen Chaar Blue Clear Ried Figure 5 41 VA AMG2 C20 Spectral Response 17 of 99 RA14 131 003 VA GigE series N Absolute Quantum Efficiency 7 4 2 e Mile 375 425 475 525 575 825 ars T25 TTS 825 875 825 975 1025 1075 Wavelength nm Red Clear Green Clear s Clear a Re 9 Green MAR Figure 5 12 VA 8MG2 C10 Spectral Response 0 50 Measured with coated coverglass E antum e Ln bsolute Qu c Mull 400 450 500 550 600 850 790 750 800 850 800 950 1000 1050 1100 Wavelength nm m Red Green 2 Blue Figure 5 13 VA 29MG2 C2 Spectral Response 18 of 99 RA14 131 003 VA GigE series 5 5 Mechanical Specification The camera dimensions in millimeters are as shown i
30. User Manual Vieworks GigE CCD cameras 2 2 lt N A 2MG2 HD A 4MG2 A 8MG2 55 7 E on W VA GigE series Revision History Version Date Description T Draf e Added description of M5 set screws for tilt adjustment ET e Revised spectral response according to the updated TSI datasheets e Corrected errors on RJ 45 Jack specifications Deleted the DataRoiDisplay parameter X X X J J z c h 2 of 99 RA14 131 003 orke VA GigE series Contents 1 Precautions cc nahna nanna Nanaia ee ee eee ee ADNa 6 NER ICT E E R 6 3 Compliance amp 7 3 1 FOG GOMPIINCE et 7 3 2 2 M 7 3 3 8 O 7 4 Package Components cU RC 8 5 Product Specifications RAP Rd 9 5 1 M 9 5 2 TO CIC ONS _ _ __________4 _ 10 5 3 Camera BOCK AON alli UE 12 5 4 eee 13 54
31. Width Max and Height Max parameters indicating the maximum allowed resolution of the image with the current camera settings will be updated depending on the binning settings And also the Width Height Offset X and Offset Y parameters will be updated depending on the binning settings You can verify the current resolution through the Width and Height parameters Since vertical binning is processed in the internal register of CCD the frame rate will be increased and SNR will be improved because the number of the readout process is reduced However the horizontal binning does not affect the frame rate and SNR because it is processed in the FPGA The brightness will be increased about four times because four pixels are summed as one Width 65 76 Height 4384 Width 3288 Height 2192 Binning Horizontal X 2 Binning Vertical lt 2 mm mm Em omm ms EN mm E Quartered Resolution quadrupled response to light Figure 9 3 Binning X H XX X X emmc 55 of 99 RA14 131 003 VA GigE series VA GigE series supports 1 2 x3 4 8 binning factors for both vertical and horizontal direction independently 2x2 4x2 cl 000000 Figure 9 4 Binning factors e _ Even if the binning is performed on the color camera the r
32. X X A X X X u ilb Table 9 2 Timing Value for VA GigE Series 53 of 99 RA14 131 003 vieworks VA GigE series The following figure shows frame rate for each camera model depending on Vertical ROI changes with 1 Tap and 2 lap settings SN Mu mM D Lo i amp VA 2MG2 HD ET mnn TTT e ER E E Al Ti m m gt ce Figure 9 2 Frame Rate by Vertical ROI changes X XXX X Mmmnd 54 of 99 RA14 131 003 vorks VA GigE series 9 2 Binning Binning has the effects of increasing the level value and decreasing resolution by summing the values of the adjacent pixels and sending them as one pixel The XML parameters related to Binning are as follows XML Parameters Description X1 X2 x3 Number of horizontal pixels to combine BinningHorizontal x4 together ImageFormatControl x3 Binning Vertical A Number of vertical pixels to combine together Table 9 3 XML Parameters related to Binning For example if you set 2 X 2 binning as shown in the figure below four pixels will be summed into one pixel Then the effective maximum resolution of the sensor is reduced to 1 2 The
33. ck the Load File button Device Maintenance MCU Defect XML SCRIPT Graph Type Lumin Point Clear Config 1023 2047 3071 Camera Download Upload Upload to PC 93 of 99 RA14 131 003 vieworks VA GigE series 3 Recent Documents Desktop Documents Network File name Jt lut _ Places Files of LuT files luti Cancel 4 Click the Download button After completing the download click the OK button to close the confirmation w M JJ 94 of 99 RA14 131 003 NOTKS VA GigE series Appendix C Field Upgrade C 1 MCU 1 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below 2 Select the MCU tab click the File Path button search and select the MCU upgrade file srec and then click the Download button Device Maintenance FPGA Defect FFC LUT XML SCRIPT MCU File Information 1 File Path WDacuments and Settings MW yieworks WMCL 0 8 File Size 4 1 Camera 2 Download MEU Camera MEU Download Download 3 upgrade file download starts and the downloading status is displayed at the bottom of the window Device Maintenance FPGA Defect FFC LUT SCRIPT MCU File Infor
34. d when creating the file Lines beginning with or are treated as notes a A Each row is produced in the order of the horizontal and vertical coordinate values input sequence of pixel is irrelevant Home Insert Page Layout Form File Edit Format View T comment line Calibri coment line BIU A ii Paste ___ pA Clipboard Font Alignment 699 8 268 10 1 comment line 2 coment line 3 H y 4 2011 3 5 178 7 6 52 8 7 699 8 8 268 10 9 1112 10 10 1713 12 11 608 16 12 1 13 2 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below Select the Defect tab click the File Path button search and select the defective pixel map file csv and then click the Download button Device Maintenance FPGA Defect LUT SCRIPT Defect Defect File Information 1 File Path WDocuments and Settings WyieworksWdefecE defeckData c 2 File Size 1 Camera Defect 2 Download Defect _____________________10 Camera Defect Download Lipload PC 89 of 99 RA14 131 003 vieworks VA GigE series the download is complete the saving process will begin During the saving process make sure not to disconnect the power cord Device Maintenance Defect
35. e Figure 9 29 Reverse X Image On color models of the camera when the Pixel Format parameter is set to Bayer and the AN CAUTION Reverse X feature is used the alignment of the color filter will be changed 84 of 99 RA14 131 003 4 i y orks VA GigE series 9 19 Digital IO Control The pin number 3 of the control receptacle is designated as programmable output and can be operated in various modes XML parameters related to Digital IO Control are as follows XML Parameters Value Description Invert the output signal of the line Linelnverter O Do not invert the output signal of the line Off Disable the line output ExposureActive Output pulse signals indicating the current exposure time FrameActive Output pulse signals indicating a frame readout time LineSource StrobeOut Output Exposure Active signals with Strobe Out Delay PulseGenerator Output user defined pulse signals DigitallO Control UserOutput Output User Output signal set by User Output Value ontro Set the bit state of the line to High UserOutputValue Set the bit state of the line to Low 1 60 000 000 Set pulse period in microseconds when the Line Source PulsePeriod is set to Pulse Generator 0 60 000 000 Set a pulse width in microseconds when the Line Source PulseWidth is set to Pulse Generator 0 65535 Set a delay in microseconds when the Line Source is set to Strobe Out Table 9
36. e acquisition The Trigger Activation parameter is used to select rising edge or falling edge triggering Assuming that the camera is in a waiting for exposure start trigger acquisition status frame acquisition will start whenever the appropriate edge transition is received by the camera When the camera receives an external trigger signal and begins exposure it will exit the waiting for exposure start trigger acquisition status because at that point it cannot react to a new exposure start trigger signal As soon as the camera is capable of reacting to a new exposure start trigger signal it will automatically return to the waiting for exposure start trigger acquisition status When the camera is operating under control of an external signal the period of the external trigger signal will determine the rate at which the camera is acquiring frames 1 External signal period in seconds Frame Rate For example if you are operating a camera with an External trigger signal period of 500 ms 0 5 s o0 in this case the frame rate is 2 fps X XX m zi f 36 of 99 RA14 131 003 vorks VA GigE series 8 3 3 1 Exposure Modes If you are triggering the start of frame acquisition with an externally generated trigger signal two exposure modes are available Timed and Trigger Width Timed Exposure Mode When the Timed m
37. e current Acquisition Frame Count parameter setting CAUTION Readout Mode Normal s Trigger Mode Free Run Channel Mode Single a Defective Pixel Correction ON e Every time you change the binning mode you must generate the Flat Field data again s nnd 11 of 99 RA14 131 003 VA GigE series Flat Field Calibration Block Diagram Scale Down ____ txternal SDRAM Flat Fielding Block Diagram External Bilinear SDRAM gt Interpolated Magnification y IR p IR M IF IC Figure 9 23 Generation and Application of Flat Field Data Magnified Image Boundary tt 44 EENEN copy EE E copy Scale Down Data Magnified Image Boundary Figure 9 24 Bilinear Interpolated Magnification 78 of 99 RA14 131 003 I d how y orks VA GigE series XML parameters related to Flat Field Correction are as follows XML Parameters Description FtcMod Flat Field Correction Off Enable the Flat Field Correction feature Ff cTargetLevel 04095 oet the average grey level for image background oet the number of frames to be acquired when generating the Flat Field data The more frames result
38. e identical to those of MCU upgrade 97 of 99 RA14 131 003 Ww GigE series XML 1 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below 2 Select the XML tab click the File Path button search and select the XML upgrade file xml and then click the Download button Device Maintenance amp URL ML File Information 1 File Path WDacuments and Settings Wyieworks WIL 2 6 xml File Size JEG 1 Camera Pil URL 2 Download XML URL 3 0 Camera Download Download 3 subsequent processes are identical to those of MCU upgrade 98 of 99 RA14 131 003 Vieworks GigE CCD cameras Vieworks Co Ltd 601 610 Suntechcity 307 2 Sangdaewon dong Jungwon gu Seongnam si Gyeonggi do 462 736 South Korea Tel 82 70 7011 6161 Fax 82 31 737 4936 machinevision vieworks com vieworks vieworks com
39. e of the first frame There is a just few microseconds or dozen of microseconds between the point where the exposure time for the first frame ends and the point where the exposure time for the second frame begins This is because the camera cannot react to the exposure start trigger signal while reading out the sensor data for the first frame At this point the camera outputs a strobe out signal reflected the exposure time for the first frame External Exposure Start Trigger Signal Exposure Exposure Frama N Frame 1 Exposure Frame Readout Frame N41 Readout Frame Readout Strobe Qut oe S Figure 8 6 Double Exposure 8 3 4 Trigger Delay The Trigger Delay feature specifies a delay in microseconds that will be applied between the receipt of a trigger signal software or external and when the trigger will become effective The Trigger Delay can be specified in the range from 0 to 10 000 000 equivalent to 10 s 6 The Trigger Delay will not operate if the Trigger Mode parameter is to Off 39 of 99 RA14 131 003 69 A i 4y i y orks VA GigE series 8 4 Setting the Exposure Time This section describes how the exposure time can be adjusted manually by setting the value of the exposure time parameter If you are operating the camera in any one of the following ways you must specify an exposure time by setting the camera s Exposure Time parameter e Trigger Mode
40. e parameter specifies the source signal that will act as the exposure start trigger signal The available settings for the Trigger Source parameter are Software You can apply an exposure start trigger signal to the camera by executing a Trigger Software command for the exposure start trigger on your computer e External You can apply an exposure start trigger signal to the camera by injecting an externally generated electrical signal commonly referred to as a hardware trigger signal into the Control Receptacle pin 1 on the camera If the Trigger Source parameter is set to External you must also set the Trigger Activation parameter The available settings for the Trigger Activation parameter are Rising Edge Specifies that a rising edge of the electrical signal will act as the exposure start trigger e Falling Edge Specifies that a falling edge of the electrical signal will act as the exposure start trigger Exposure Time Control with Trigger Mode On When the Trigger Mode parameter is set to On and the Trigger Source parameter is set to Software the exposure time for each frame acquisition is determined by the value of the camera s Exposure Time parameter When the Trigger Mode parameter is set to On and the Trigger Source parameter is set to External the exposure time for each frame acquisition can be controlled with the Exposure Time parameter or it can be controlled by manipulating the external trigger signal S J
41. el clock to operate the camera either in Normal or High speed over clocked mode With Normal mode the camera s frame rate is determined by the CCD sensor manufacturer VA GigE camera internal design is optimized for High speed mode With High speed mode it is possible to over clock the camera which will result in higher frame rate However the camera signal to noise ratio SNR may be reduced compared to Normal mode XML parameters related to pixel clock are as follows XML Parameters Description PCLKO Set pixel clock to Normal mode e _ VA 1 2 4 8MG2 40 e VA 29MG2 30 PclkSelector DeviceControl PCLK1 Set pixel clock to High speed mode VA 1 2 4 8MG2 50 e VA 29MG2 40 CurrentPclkFreq NEM Display the current camera pixel clock Table 9 7 XML Parameters related to Pixel Clock XXX X 65 of 99 RA14 131 003 69 A i 4y i y orks VA GigE series 9 6 Stream Hold VA GigE camera provides Stream Hold feature for controlling the transmission of data Normally the camera transmits frame data to the host computer immediately after completing the exposure Enabling the Stream Hold feature delays the transmission of data storing it in the camera s volatile memory until the Stream Hold feature is disabled This feature is especially useful to prevent flooding in Gigabit Ethernet networ
42. era Device Maintenance Point Clear Config 1023 2047 3071 D Camera Download Upload Upload to PC 4 After completing the download click the OK button to close the confirmation 92 of 99 RA14 131 003 VA GigE series B 1 2 CSV File Download 1 Create the LUT table in Microsoft Excel format as shown in the left picture below and save as a CSV file csv The picture in the right shows the created file opened in Notepad Once the file has been created completely change the csv file extension to lut The following rules need to be applied when creating the file Lines beginning with or are treated as notes Based on the input values make sure to record from 0 to 4095 d LL Home Insert Page Layout Form File Edit Format View Help comment line Calibri qu comment line 7 UA mp aei ale Paste SSS E95 2 1 4094 Clipboard Font E Alignment 3 4092 4 f 0 4 4091 B C D 4095 0 1 comment line 2 comment line 3 input output 4 ol 4095 5 1 4094 6 2 4093 7 3 4092 8 4 4091 10 _ 4095 0 1 2 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below Select the LUT tab select Luminance from the Type dropdown list and then cli
43. era Packet Size The Gev SCPS Packet Size parameter sets the size of the packets that the camera will use when it sends the data via the selected stream channel This parameter should always be set to the maximum size that your network components Ethernet Adapter can handle Setting the delay between packets The Gev SCPD parameter sets the delay in ticks between the packets transmitted from the camera Increasing the delay will decrease the 5 effective data transmission rate and will thus decrease the network bandwidth used by the camera In the GigE camera one tick is 8 ns To check the tick frequency read the Gev Time stamp Tick Frequency parameter value In case of multiple cameras or other devices working on the same physical network it might be desirable to send the packets of a camera s streaming channel with a certain inter packet delay in order to allow multiple cameras or devices to share a given network bandwidth XML Parameters Description Set the packet size The maximum GevSCPSPacketSize 576 16 000 Bytes value may vary depending on the Ethernet Adapter GevSCPD 0 TBD Set the delay between packets Table 9 9 XML Parameters related to Inter Packet Delay TransportLayerControl X XX X X X X mex 67 of 99 RA14 131 003 Ww VA GigE series 9 8 Data ROI Color Cameras The Balance Whi
44. esulting image will be monochrome e The odd number of binning factor x 3 does not supported on the color camera due to the characteristics of Bayer pattern 56 of 99 RA14 131 003 4 vorks VA GigE series 9 3 Sensor Tap Settings With two taps sensor digitization two left and right video amplifiers are used to output the charges moved to the horizontal register during reading out the accumulated charges Charges from the left half of the sensor are shifted towards the Video L and charges from the right half of the sensor are shifted towards Video H Bottom Dark Rows Bottom Buffer Rows B Active Pixels Left Dark Columns Left Buffer Columns Right Buffer Columns Right Dark Columns Top Buffer Rows Top Dark Rows Left Dummy Pixels Rigth Dummy Pixels Video L 4 Horizontal Register gt Video R One Tap Two Taps Figure 9 5 Two Taps Sensor Digitization 57 of 99 RA14 131 003 L d h 4y E orks VA GigE series XML parameters related to Sensor Tap Settings are as follows XML Parameters Description One Set the Sensor Readout mode to 1 tap ImageFormatControl SensorDigitizationTaps Two Set the Sensor Readout mode to 2 tap Table 9 4 XML Parameter related to Sensor Tap Settings When you set the Sensor Digitization Taps parameter to One on
45. fps at 120 Lines Binning X1 x3 x4 x8 Horizontal and Vertical Independent Lookup Table G 1 0 User Defined Lookup Table LUT Black Level Adjustable 0 127 LSB at 12 bit 256 steps Analog Gain x1 x40 0 32 dB Exposure Mode Timed Exposure Trigger Width Exposure Double Exposure External Trigger 3 3 V 24 0 V 10 mA Asynchronous optically isolated ooftware Trigger Asynchronous Programmable via Camera Camera Image Memory 128 MB Lens Mount C mount or F mount Power 10 15 V DC Max eW Environmental Operating 5 C 40 C Storage 40 C 70 C 68 mm X68 mm x 54 mm 420 g with C mount 68 mm X 68 mm x 83 mm 460 g with F mount Mechanical Table 5 1 Specifications of VA GigE Series VA 1 2M G2 X XX 10 of 99 RA14 131 003 VA GigE Series VA 4MG2 VA 8MG2 VA 29MG2 Active Image H x V 2336 x 1752 3296 x 2472 6576 x 4384 Truesense Imaging Truesense Imaging Truesense Imaging Sensor Type KAI 04050 KAI 08050 KAI 29050 VA GigE series Pixel size 55 um X 5 5 um Sensor Output 1 or 2 Tap Video Output 8 10 12 bits Dynamic Range gt 64 aB Mono8 10 10 packed Mono12 Mono12 packed Output Format Bayer8 Bayer10 Bayer10 packed Bayer12 Bayer12 packed Camera Interface Gigabit Ethernet Electronic Shutter Global Shutter Max Frame Rate at Full 10 fps 20 fps 5 fps 10 fps 1 2 fps 2 3 fps Resolu
46. ger nennen enne nnns nnn nnns nnns 35 8 33 Using an External Trigger teo e ond eR aod esee 36 8 3 4 Trigger Delay 2 elssesesesseseseseeeee nnne nennen nnne nennen nna 39 8 4 Setting the Exposure nnne nnne nnne 40 8 5 Overlapping Exposure with Sensor 41 8 6 Heal EXDOSUPS _ ___6__ ___ __ GUT 44 8 6 1 Timed Exposure 44 8 6 2 Trigger Width Exposure Mode seesesssseeseeeeeeeenen nennen nnn nnn nnn nnn nnns nna nnns nnns 45 8 7 Acquisition Timing orc qum 47 8 8 Maximum Allowed Frame 49 8 8 1 Increasing the Maximum Allowed Frame 50 Camera 51 9 1 Image Region OF casses vasi aureas Ru Sita 51 9 2 55 9 3 gie gi 57 9 4 mi ec 1 60 9 5 FUG A RTT 65 9 6 ROL 66 9 7
47. ger signal to precisely synchronize the trigger signal with the exposure timing Software Trigger Signal Software Trigger Signal Received Received Frame Acquisition Exposure Exposure duration determined by the Exposure Time parameter Figure 8 2 Frame Acquisition with Software Trigger Signal When you are using a software trigger signal to start each frame acquisition the frame rate will be determined by how often you apply a software trigger signal to the camera and you should not attempt to trigger frame acquisition at a rate that exceeds the maximum allowed for the current camera settings There is a detailed explanation about the maximum allowed frame rate at the end of this chapter ooftware trigger signals that are applied to the camera when it is not ready to receive them will be ignored XX X 35 of 99 RA14 131 003 f ly V gt WOrkKS 8 3 3 Using an External Trigger Signal VA GigE series If the Trigger Mode parameter is set to On and the Trigger Source parameter is set to External an externally generated electrical signal injected into the Control Receptacle pin 1 will act as the exposure start trigger signal for the camera This type of trigger signal is generally referred to as a hardware trigger signal A rising edge or a falling edge of the external signal can be used to trigger fram
48. hen if you set the Width parameter to 166 and the Binning Horizontal parameter to 1 the Width parameter will be 498 166 x 3 If you want to restore the Width to its original value you can set the Width to 500 manually d X 52 of 99 RA14 131 003 4 f V 4y A GigE series The approximate maximum frame rate depending on the change of Vertical ROI can be obtained as shown in the following expression 1 or 2 Channel Mode Frame Rate the the the the the fps amount pixels amount number amount 1000000 Tre X 12 Vago 12 Ti of time required to transmit electric charges accumulated on to Vertical Register of time required for 1 row flush of Vertical Line of CCD of time required for transmission of one line size of the Vertical ROI The available minimum value of Tyccp Tre TL and may vary depending on the camera model The value of T may vary depending on the Sensor Digitization Taps and Pclk Selector parameter settings The values of each item are shown below VaizE Minimum Vertical ROI Size 120 Lines 150 Lines 120 Lines 200 Lines 300 Lines 500 Lines t Based on Pixel Clock 50 PclkSelector PCLK1 for VA 1 2 4 8MG t Based on Pixel Clock 40 me PclkSelector PCLK1 for VA 29MG
49. her the way that you operate the camera will determine whether the exposures and readouts are overlapped or not If we define the Frame Period as the time from the start of exposure for one frame acquisition to the start of exposure for the next frame acquisition then e Frame Period gt Exposure Time Readout Time e _ Overlapped Frame Period lt Exposure Time Readout Time J 42 of 99 RA14 131 003 VA GigE series Guidelines for Overlapped Exposure If you will be operating the camera with overlapped exposure there are two important guidelines to keep in mind You must not begin the exposure time for a new image acquisition while the exposure time of the previous acquisition is in progress You must not end the exposure time of the current image acquisition until readout of the previously acquired image is complete When you are operating a camera with overlapped exposure and using an external trigger signal to trigger image acquisition you could use the camera s Exposure time parameter settings and timing formulas to calculate when it is safe to begin each new acquisition The exposure must always begin on an interline boundary of the CCD sensor For this reason if a trigger signal is applied during the readout process there might be an Exposure Start Delay up to 1 horizontal line ti
50. ie a 0 05 0 00 Figure 5 5 VA AMG2 M20 Spectral Response X XX X fb 14 of 99 RA14 131 003 eworks VA GigE series 045 Measured with AR coated cover glass ha eae Absolute Quantum Efficiency 2 un ea LL LL LLL ___ 0 00 350 450 a 1000 1050 1100 pres a Figure 5 6 VA 8MG2 M10 Spectral Response 0 50 1 1 0 45 ge Measured with AR NENNEN t un Absolute Quantum Efficiency m id 10 un 010 dh 0 00 950 400 450 S00 650 600 8650 750 850 1000 1050 1100 Wavelngth nm Figure 5 7 VA 29MG2 M2 Spectral Response 15 of 99 RA14 131 003 eworks VA GigE series 5 4 2 Color Camera Spectral Response The following graphs show the spectral response for VA GigE series color cameras uu Measured with MAR cover Measuredwith MAR cover glass 1 5 5 Wavelongth nm Red MAR Green MAR Blue MAR Figure 5 8 VA 1MG2 C70 Spectral Response 3 5 5 a im s m 8 N m a ee d s som boom m os m do m m m os 425 475 525 575 625 875 725 T S 825 875 925 975 1025 1075 Wavelength Red Clear Green Clear Blue Clear
51. ignal whenever it receives an Acquisition Start command e Multi Frame The camera will automatically begin generating exposure start trigger signals as many as specified by the Acquisition Frame Count parameter when it receives an Acquisition Start command The camera will continue to generate exposure start trigger signals until the number of exposure start trigger signals it has received is equal to the current Acquisition Frame Count parameter setting or until it receives an Acquisition Stop command With Single Frame or Multi Frame Acquisition Mode if you execute another Acquisition Start command while the camera is in the process of acquiring a frame an error may occur When the Acquisition Mode parameter is set to Multi Frame you must set the value of the camera s Acquisition Frame Count parameter The value of the Acquisition Frame Count can range from 1 to 255 32 of 99 RA14 131 003 orks VA GigE series e Continuous The camera will automatically begin generating exposure start trigger signals when it receives an Acquisition Start command The camera will continue to generate exposure start trigger signals until it receives an Acquisition Stop command Free Run e When you set the Trigger Mode parameter to Off and the Acquisition Mode parameter to Continuous the camera will generate all required trigger signals internally When the camera Is set this way it will constantly acquire images without any need
52. igure 9 8 1 Tap Reorder MN 1 Line Buffer Video L Video R ums Figure 9 9 2 Tap Reorder The LVDS video data converted in ADC are 14 bits however the camera outputs 12 bits video data The noise performance will be improved on the output image by removing the 2 least significant bits MSB LSB Figure 9 10 1251 Conversion 59 of 99 RA14 131 003 A 4 F 149 V orks VA GigE series 9 4 Pixel Format The internal processing of image data is performed in 12 bits Then the camera can output the data in 8 10 or 12 bits When the camera outputs the image data in 8 bits or 10 bits the 4 or 2 least significant bits will be truncated accordingly MSB LSB Original D11 D10 D7 D5 D4 Data Figure 9 11 Pixel Format F 4 F 4 E 4 b 4 The image data converted to 8 10 or 12 bits support various pixel data format depending on the camera model The pixel data will be reordered in FPGA according to the Pixel Format setting value Then it will be stored in the frame buffer before output XML parameter related to the Pixel Format is as follows XML Parameters Description ImageFormatControl PixelFormat Set the pixel format supported by the device Table 9 5 XML Parameter related to Pixel Format 60 of 99 RA14 131 003 P 2 gt works The supported pixel formats for monochrome and color came
53. is set to off e Trigger Mode is set to On and the Trigger Source is set to Software In this case you must set the Exposure Mode parameter to Timed e Trigger Mode is set to On the Trigger Source is set to External and the Exposure Mode is set to Timed The Exposure Time parameter must not be set below a minimum specified value The Exposure Time parameter sets the exposure time in The minimum and maximum exposure time settings for each camera model are shown in the following table Camera Model Minimum Allowed Exposure Time Maximum Possible Exposure Time VA 1MG2 7 US 7 000 000 VA 2MG2 t When the Exposure Mode is set to Trigger Width the exposure time is controlled by the external trigger signal and has no maximum limit Table 8 1 Minimum and Maximum Exposure Time Setting X M XX X n X X if 40 of 99 RA14 131 003 GigE series 8 5 Overlapping Exposure with Sensor Readout The frame acquisition process on the camera includes two distinct parts The first part is the exposure of the pixels in the imaging sensor Once exposure is complete the second part of the process readout of the pixel values from the sensor takes place In regard to this frame acquisition process there are two common ways for the camera to operate with Trigger Overlap Off and w
54. ith Trigger Overlap Readout In the Trigger Overlap Off mode of operation each time a frame is acquired the camera completes the entire exposure readout process before acquisition of the next frame is started The exposure for a new frame does not overlap the sensor readout for the previous frame Figure 8 7 illustrates the Trigger Overlap parameter set to Off and the Exposure Mode parameter set to Trigger Width Acquisition Start Command External Trigger Signal rame Acquisition N rame Acquisition 1 rame Acquisition N 2 4 Figure 8 7 Trigger Overlap Off X P X s 41 of 99 RA14 131 003 GigE series In the Trigger Overlap Readout mode of operation the exposure of a new frame begins while the camera is still reading out the sensor data for the previously acquired frame Figure 8 8 illustrates the Trigger Overlap parameter set to Readout and the Exposure Mode parameter set to Trigger Width Acquisition Start Command External Trigger Signal rame Acquisition N Frame cC uisition N 1 rame Acquisition 2 rame Acquisition N 3 ___ _ Time Figure 8 8 Trigger Overlap Readout Determining whether your camera is operating with overlapped or non overlapped exposure and readout is not a matter of issuing a command or switching a setting on or off Rat
55. ition Mode parameter is set to Multi Frame after an Acquisition Start command has been executed exposure start can be triggered as many as specified by the Acquisition Frame Count parameter The camera will continue to react to exposure start trigger signals until the number of exposure start trigger signals it has received is equal to the current Acquisition Frame Count parameter setting At that point the Acquisition Start command will expire Before attempting to acquire another frame you must execute a new Acquisition Start command With Single Frame or Multi Frame Acquisition Mode if you execute another Acquisition Start command while the camera is in the process of acquiring a frame an error may occur CAUTION If the camera s Acquisition Mode parameter is set to Continuous after an Acquisition Start command has been executed exposure start can be triggered as desired Each time an exposure start trigger is applied while the camera is in a waiting for exposure start trigger acquisition status the camera will acquire and transmit a frame The camera will retain the ability to acquire frames until an Acquisition Stop command is executed Once the Acquisition Stop command is received the camera will no longer be able to acquire frames When the camera s Acquisition Mode is set to Single Frame the maximum possible acquisition frame rate for a given ROI cannot be achieved This is true because the camera performs a complete inter
56. k where multiple cameras are connected to a single host computer and capture a single event Using the Stream Hold feature each camera will hold the image data until the camera s Stream Hold feature is disabled VA GigE camera provides 128 MB on board memory for the Stream Hold feature The Stream Hold feature does not allow you to select which frame will be released to the host computer When the Stream Hold feature is disabled the stored frame data will be released to the host computer For more information refer to the application note about stream hold XML Parameters Description On Delay the transmission of frame data and store them StreamHold in the frame buffer Release the stored frame data to the host computer e Display the maximum number of frames that you can store in the frame buffer TransportLayerControl e maximum number of frames will vary depending on the Image ROI and pixel format FrameCapacity settings e With the Stream Hold feature set to On the newly acquired frame will be ignored after saving the maximum number of frames Table 9 8 XML Parameters related to Stream Hold feature JJ X mmm 66 of 99 RA14 131 003 E LET i y orks VA GigE series 9 7 Inter Packet Delay VA GigE camera provides the Inter packet delay feature to set the delay in ticks between the packets transmitted by the cam
57. ly the left video amplifier Video L will be used to output the video data as shown in the Figure 9 6 And when you set the Sensor Digitization Taps parameter to Two both Video and Video will be used to output the video data as shown in the Figure 9 7 When LVDS signals converted from the video data through ADC are transmitted to FPGA the signal data will be stored in the line buffer of FPGA until the transmission of one horizontal line is completed Figure 9 8 and 9 9 show the structure which reorders and stores one line video data in the line buffer of FPGA according to the one tap and two taps settings After completing one line transmission the data goes through image processing Then the data will be reordered according to the Pixel Format parameter setting value and stored in the frame buffer Video L ADC FPGA CCD Image gt gt A GigE Processing Buffer amp Heorder Figure 9 6 1Tap Image Data Flow Video L gt ADC FPGA Frame CCD Image 7 GigE LVDS Video ADC i Heorder Figure 9 7 2Taps Image Data Flow X K v X J 58 of 99 RA14 131 003 VA GigE series E S S 1 Line Buffer Video L N Video L N 1 Video L N 2 F
58. m the imaging sensor into a frame buffer in the camera When a sufficient amount of frame data has accumulated in the frame buffer the camera will begin transmitting the data to your computer This buffering technique avoids the need to exactly synchronize the clock used for sensor readout with the data transmission The camera will begin transmitting data when it has determined that it can safely do so without over running or under running the buffer Exposure Start Delay the amount of time including trigger jitter and latency between the point where the trigger signal rises and the point where exposure actually begins e Frame Readout time the amount of time it takes to read out the frame data from the imaging sensor into the frame buffer e Frame Transmission time the amount of time it takes to transmit an acquired frame data from the frame buffer in the camera to your computer e Transmission Start Delay the amount of time between the point where the camera begins reading out the acquired frame data from the sensor and the point where it begins transmitting the acquired frame data from the buffer to your computer External Exposure Start Trigger signal Exposure Start Delay Exposure Start Delay LFxposure Start Delay Taje Exposure Frame Readout Frame 1 Readout Frame N 2 Readout Frame Readout u f E ANMI Start T Transmission Start n Transmission Star
59. mation 1 File Path WDacuments and Settings WMCL 0 8 File Size 4 1 Camera 2 Download MEU Camera Download Download 95 of 99 RA14 131 003 VA GigE series 4 Once all the processes have been completed turn the power off and turn it back on again Check the DeviceVersion parameter value to confirm the version Or check under the My Computer to verify the upgraded version Device x x My Computer B 69 0400 Intel R Gigabit CT Desktop Adapter EE D VEWORES VA MGz M 2 99 00 02 80 VIEWORKS VA 2MG2 M 0 8 0 00 1 169 254 117 104 84 99 00 02 8 aai VIEWORKS 2 99 00 02 82 SUO 10101 Intel R 82579LM Gigabit Network Connection 96 of 99 RA14 131 003 Ww lt VA GigE series C 2 FPGA 1 Run Vieworks Imaging Solution 6 X and click the Configure button to display the window as shown below 2 Select the FPGA tab click the File Path button search and select the FPGA upgrade file bin and then click the Download button Device Maintenance SCRIPT File Information 1 File Path Cd WDocuments and Settings WyieworksWFPaATTVA2 vHz File Size 296 6 4 1 Camera FPGA 2 Download FPGA 0 Camera FPGA Download 3 subsequent processes ar
60. me s r X X X AX Ji lb 43 of 99 RA14 131 003 B i gt WOFrKS 8 6 Exposure VA GigE series 8 6 1 Timed Exposure Mode When the Timed mode is selected the exposure time is determined by the time interval between the point where an external trigger signal is applied and the point where the Photodiode Transfer signal falls The camera generates a shutter signal to clear pixels when an external trigger signal is applied The exposure time begins when the shutter signal falls and continues until the tpg Photodiode Transfer signal falls As Figure 8 9 shows there is an Exposure Start Delay refer to Table 8 3 between the rise of the external trigger signal and the point where exposure actually begins The setting value on the Exposure Time parameter is equal to the exposure time because the tsub value of the shutter signal and Transfer Pulse Offset value tog are compensated on the exposure time by the camera s logic internally Therefore there is no difference between the setting value on the Exposure Time parameter and the exposure time The tsyp value and Transfer Pulse Offset value are determined by the CCD sensor used in the camera External Exposure Start Trigger Signal pe Exposure Start Delay shutter Signal M Offset value Transfer Pulse Heal Exposure _ LL Duration determined
61. n the following figure Mechanical FB 18 46 8 5 DP 5 ra 8 66 dd Camera Mounting Screw Holes 1 4 pti 8 m F 1 68 0045 Image Plane 95 1116 67 8 Rear Black 54 Reference Plane Side Pri for Camera Mounting Reference Plane Front for Camera Mounting gt An optional fan 5 available upon request Figure 5 14 VA GigE Series C mount Mechanical Dimension XX w X X X XXXX m RA14 131 003 19 of 99 VA GigE series Mechanical FB o 5 DP 5 _ 218 Camera Mounting Screw Holes i i E 5 5 5 Image Plane 85 40 13 67 8 Rear Black 83 Reference Plane Side for Camera Mounting Reference Plane Front for Camera Mounting An optional fan is available upon request Figure 5 15 VA GigE Series F mount Mechanical Dimension X XTY M I s RA14 131 003 20 of 99 vieworks VA GigE series Q 6 Installation The following instructions assume that you have installed an Ethernet Card including related software and Vieworks Imaging Solution in your PC For more information refer to your Vieworks Imaging Solution Installation Manual To connect the camera to your PC follow the steps below 1 Make sure that the p
62. nal setup cycle for each single frame and because it cannot be operated with Trigger Overlap To achieve the maximum possible acquisition frame rate set the Acquisition Mode to Continuous and Trigger Overlap to Readout X XX P nni 31 of 99 RA14 131 003 4 f V 4y A 8 3 Exposure Start Trigger GigE series The exposure start trigger is used to begin frame acquisition Exposure start trigger signals can be generated within the camera or may be applied externally as Software or External exposure start trigger signals If an exposure start trigger signal is applied to the camera the camera will begin to expose a frame 8 3 1 Trigger Mode The main parameter associated with the exposure start trigger is the Trigger Mode parameter The Trigger Mode parameter for the exposure start trigger has two available settings Off and On 8 3 1 1 Trigger Mode Off When the Trigger Mode parameter is set to Off the camera will generate all required exposure start trigger signals internally and you do not need to apply exposure start trigger signals to the camera With the Trigger Mode set to Off the way that the camera will operate the exposure start trigger depends on the setting of the camera s Acquisition Mode parameter Single Frame The camera will automatically generate a single exposure start trigger s
63. o Balance Table 9 42 XML Parameters related to Gain and Black Level d H v X X X mnc 72 of 99 RA14 131 003 vieworks VA GigE series 9 11 LUT LUT Lookup Table converts original image values to certain level values Luminance Since it is mapped one to one for each level value 12 bit output can be connected to 12 bit input LUT is in the form of table that has 4096 entries between 0 4095 and VA GigE camera provides a non volatile space for LUT data storage You can determine whether to apply LUT and which LUT to use For more information about how to download LUT to the camera refer to Appendix B 4096 entry 12 bit Data gt Lookup Table gt 12 bit Data Figure 9 20 LUT Block D gt 2 1000 1500 2000 2500 3000 3500 4000 Input Level Figure 9 21 LUT at Gamma 0 5 X X X ca X wn J nal 73 of 99 RA14 131 003 W UT Nc VA GigE series XML parameters related to LUT are as follows XML Parameters Value Description LUTSelector Luminance Luminance LUT Activate the selected LUT LUTEnable Deactivate the selected LUT LUT Control Index of coefficient for verifying the LUT Value LUTIndex e Luminance 0 4095 Output value of the current LUT corresp
64. ode is selected the exposure time for each frame acquisition is determined by the value of the camera s Exposure Time parameter If the camera is set for rising edge triggering the exposure time starts when the external trigger signal rises If the camera is set for falling edge triggering the exposure time starts when the external trigger signal falls Figure 8 3 illustrates timed exposure with the camera set for rising edge triggering External Trigger Signal Period rt External Trigger signal STL IL Exposure Exposure duration determined by the Exposure Time parameter Figure 8 3 Timed Exposure Mode Note that if you attempt to trigger a new exposure start while the previous exposure is still in progress the trigger signal will be ignored and an Over trigger event will be generated This rising edge trigger signal will be ignored Li External Trigger Signal l Exposure duration determined by the Exposure Time parameter Figure 8 4 Trigger Overlapped with Timed Exposure Mode X 37 of 99 RA14 131 003 VA GigE series Trigger Width Exposure Mode When the Trigger Width exposure mode is selected the length of the exposure for each frame acquisition will be directly controlled by the external trigger signal If the camera is set for rising edge
65. of Defective Pixel Correction Value X X Y J 75 of 99 RA14 131 003 Pr in B i NT D My wy SS M vorks VA GigE series 9 12 2 Correction Method in Binning Mode When 2X2 or 4X4 binning is enabled the defect correction feature is available The correction value will be averaged based on four neighboring pixels during 2 2 binning and sixteen neighboring pixels during 4 x 4 binning XML parameter related to Defective Pixel Correction is as follows XML Parameters Value Description Apply a downloaded defective pixel map to a the camera ImageFormatControl DefectivePixelCorrection Disable the application of the defective pixel 5 Table 9 15 XML Parameter related to Defective Pixel Correction To apply the Defective Pixel Correction feature you must download a Defective Pixel Map GD to the camera For more information about how to download a Defective Pixel Map to the camera refer to Appendix A Ey 76 of 99 RA14 131 003 4 in iy i y orks VA GigE series 9 13 Flat Field Correction The Flat Field Correction feature improves the image uniformity when you acquire a non uniformity image due to external conditions The Flat Field Correction feature can be summarized by the following equation IR IB x M IF IB Where IC Level value of corrected image
66. on of interest it is possible that your exposure time is limiting the maximum allowed frame rate If you are using a long exposure time or a small ROI try using a shorter exposure time and see if the maximum allowed frame rate increases You may need to compensate for a lower exposure time by using a brighter light source or increasing the opening of your lens aperture An important thing to keep in mind is a common mistake new camera users frequently make when they are working with exposure time They will often use a very long exposure time without realizing that this can severely limit the camera s maximum allowed frame rate As an example assume that your camera is set to use a 1 second exposure time In this case because each frame acquisition will take at least 1 second to be completed the camera will only be able to acquire a maximum of one frame per second Even if the camera s nominal maximum frame rate is for example 2 frames per second it will only be able to acquire one frame per second because the exposure time is set much higher than normal 50 of 99 RA14 131 003 works VA GigE series 9 Camera Features 9 1 Image Region of Interest The Image Region of Interest ROI feature allows you to specify a portion of the sensor array You can acquire only the frame data from the specified portion of the sensor array while preserving the same quality as you acquire a frame from the entire sensor array With the ROI feat
67. onding to the input value of LUT Index Table 9 13 XML Parameters related to LUT LUT Value 5 X A X K smnd 74 of 99 RA14 131 003 an LET orks VA GigE series 9 12 Defective Pixel Correction The CCD may have Defective Pixels which cannot properly react to the light Correction is required since it may deteriorate the quality of output image Defective Pixel information of CCD used for each camera is entered into the camera during the manufacturing process in the factory If you want to add Defective Pixel information it is required to enter coordinate of new Defective Pixel into the camera 9 12 1 Correction Method Correction value for a defective pixel is calculated based on valid pixel value adjacent in the same line L3 L2 L1 R1 R2 R3 Current Pixel Figure 9 22 Location of Defective Pixel to be corrected If current pixel is a defective pixel as shown in the above figure correction value for this pixel is obtained as shown in the following table depending on whether surrounding pixel is defective pixel or not Adjacent Defective Pixel s Correction value of Current Pixel None L1 R1 2 L1 H1 H1 L1 L1 R1 L2 R2 2 L1 R1 R2 L2 L2 L1 R1 H2 L2 L1 R1 R2 L3 3 2 L2 L1 R1 R2 R3 L3 L3 L2 L1 R1 R2 H3 Table 9 14 Calculation
68. or the equivalent The power adaptor is recommended to have at least current output at 12 V DC 10 voltage output Users need to purchase the power adaptor separately Precaution for Power Input e sure the power is turned off before connecting the power cord to the camera Otherwise damage to the camera may result CAUTION camera input voltage is greater than 16 V damage to the camera may result 26 of 99 RA14 131 003 v vorks VA GigE series 7 5 Trigger Input Circuit The following figure shows trigger signal input circuit of the 4 pin connector Transmitted trigger signal is applied to the internal circuit through a photo coupler Minimum trigger width that can be recognized by the camera is 1 us If transmitted trigger signal is less than 1 us the camera will ignore the trigger signal External trigger circuit example is shown below 3 3 24 0V Camera 5 0V i i En uo 47 rigger gt Trigger Input 5 le HR10 7R 4SB 2 2 7 V Your GND GND Ww GND Figure 7 5 Trigger Input Schematic 7 6 Strobe Output Circuit The strobe output signal comes out through a 3 3 V output level of Line Driver IC You can change the strobe output by setting the Digital Control Refer to chapter 9 19 Digital IO Control Camera lt St
69. ower supply is not connected to the camera and your PC is turned off 2 Plug one end of an Ethernet cable into the RJ45 jack on the camera and the other end of the Ethernet cable into the Ethernet Card in your PC Connect the plug of the power adaptor to the power input receptacle on the camera Plug the power adaptor into a working electrical outlet Verify all the cable connections are secure 61 Mount Plate NJ NJ NJ NJ NJ C e Mount Plate is provided as an optional item e camera can be fixed without using this Mount Plate 21 of 99 RA14 131 003 GigE series 6 2 Precaution to Center the Image Sensor e Users do not need to center the image sensor as it is adjusted as factory default settings e When you need to adjust the center of the image sensor please contact your local dealer or the manufacturer for technical assistance 6 3 Precaution about Blurring Compared to Center Users do not need to adjust the tilt as it is adjusted as factory default settings e If the tilt settings need to be adjusted inevitably please contact your local dealer or factory representative for technical support 6 4 Installing Vieworks Imaging Solution You can download the Vieworks Imaging Solution at machinevision vieworks com You should perform the software installation first and then the hardware installation
70. ras are as follows VA GigE series Mono Sensor Color Sensor Mono 8 e Mono 8 Mono 10 e Mono 10 e Mono 10 Packed e Mono 10 Packed e Mono 12 e Mono 12 e Mono 12 Packed e Mono 12 Packed e Bayer 8 e Bayer GR 10 e Bayer GR 12 e Bayer GR 10 Packed e Bayer GR 12 Packed Table 9 6 Pixel Data Format Value The structures for supported pixel formats are as follows Mono 8 With the camera set to Mono 8 the pixel data output is 8 bit monochrome unsigned char and unpacked type This type is stored in a byte unit when 8 bit pixel data are stored in the frame buffer Pixel Data gt 8 bit 76543210 Byte 0 Figure 9 12 Mono 8 Format 61 of 99 RA14 131 003 GigE series Mono 10 With the camera set to Mono 10 the pixel data output is 10 bit monochrome unsigned char and unpacked type This type is divided into two bytes when 10 bit pixel data are stored in the frame buffer 8 bits of pixel data will be stored in Byte 0 2 bits of pixel data will be stored in Byte 1 and the rest 6 bits will not be used Pixel Data 8 bit 7654321 0 Byte O Figure 9 13 Mono 10 Format Mono 10 Packed With the camera set to Mono 10 Packed the pixel data output is 10 bit monochrome unsigned char and GigE Vision specific packed type This type is divided into three bytes when 20 bit pixel data are stored in the frame buffer 8 bits of pixel data O will be stored in Byte 0 and the rest 2
71. re 9 15 Fan Control Only available on VA 29MG2 A fan is installed on the rear panel of the camera to radiate heat You can set the fan to turn on or off And also you can set the fan to turn on when a specified internal temperature is reached XML parameters related to Fan Control are as follows XML Parameters Description Off Turn off the fan Turn on the fan FanOperationMode Turn on the fan when the internal temperature Temperature exceeds the value set in the Fan Operation FanControl Temperature parameter oet the temperature to operate the fan when the FanOperationTemperature 10 C 80 C Fan Operation Mode parameter is set to Temperature FanSpeed I Verify the current Fan RPM Table 9 18 XML Parameters related to Fan Control XX X X M 80 of 99 RA14 131 003 wW works VA GigE series 9 16 Status LED A green LED is installed on the back panel of the camera to inform the operation status of the camera LED status and corresponding camera status are as follows e Continuous ON operates in Trigger Off Mode e Repeat ON for 0 5 seconds OFF for 0 5 seconds operates in Trigger Mode e Repeat ON for 1 second OFF for 1 second outputs Test Image e Repeat ON for 0 25 second OFF for 0 25 second operates in Trigger Mode and outputs Test Image X X X m M
72. rigger signal to the camera via software or via external commonly referred to as hardware To apply trigger signals via Software you must set the Trigger Source parameter to Software At that point each time a Trigger Software command is executed the exposure start trigger signal will be applied to the camera To apply trigger signals via External you must set the Trigger Source parameter to External At that point each time a proper electrical signal is applied to the camera an occurrence of the exposure start trigger signal will be recognized by the camera Exposure Time Control When an exposure start trigger signal is applied to the camera the camera will begin to acquire a frame A critical aspect of frame acquisition is how long the pixels in the camera s sensor will be exposed to light during the frame acquisition If the Trigger Source parameter is set to Software a parameter called the Exposure Time will determine the exposure time for each frame At this point you must set the Exposure Mode parameter to Timed If the Trigger Source parameter is set to External there are two modes of operation Timed and Trigger Width With the Timed mode the Exposure Time parameter will determine the exposure time for each frame With the Trigger Width mode the way that you manipulate the rise and fall of the external signal will determine the exposure time The Trigger Width mode is especially useful if you want to change the exposure time
73. robe Output Figure 7 6 Strobe Output Schematic 27 of 99 RA14 131 003 2 J ih 4y orks VA GigE series 8 Acquisition Control This chapter provides detailed information about controlling image acquisition e Triggering image acquisition Setting the exposure time Controlling the camera s image acquisition rate e Variation of the camera s maximum allowed image acquisition rate according to the camera settings 8 1 Overview This section presents an overview of the elements involved with controlling the acquisition of images Three major elements are involved in controlling the acquisition of images e Acquisition Start and Acquisition Stop commands and the Acquisition Mode parameter e The exposure start trigger e Exposure time control When reading the explanations in the overview and in this entire chapter keep in mind that the term frame is typically used to mean a single acquired image Acquisition Start and Stop Commands and the Acquisition Mode The Acquisition Start command prepares the camera to acquire frames The camera cannot acquire frames unless an Acquisition Start command has first been executed A parameter called the Acquisition Mode has a direct bearing on how the Acquisition Start command operates If the Acquisition Mode parameter is set to Single Frame you can only acquire one frame after executing an Acquisition Start command When one frame has been acquired
74. s table is pixel a Read only User cannot change the value b Changes and updates according to the Binning settings c User configurable parameters for settings ROI d User configurable parameters for setting the origin of the ROI Table 9 1 XML parameters related to ROI You can change the size of ROI by setting the Width and Height parameters And also you can change the position of the ROI origin by setting the Offset X and Offset Y parameters Make sure that the Width Offset X value is less than the Width Max value and the Height Offset Y value is less than the Height Max value You must set the size of the ROI first and then set the Offset values since the Width and Height parameters are set to its maximum value by default The Width parameter must be set to a multiple of 4 and the Height parameter must be set to a value greater than the minimum Vertical ROI size shown in the table 9 2 The Width Max and Height Max parameters will be changed and updated depending on the Binning Horizontal and Binning Vertical parameter settings respectively And also the Width Height Offset X and Offset Y parameters will be updated depending on the Binning Horizontal and Binning Vertical parameter settings respectively ROI Size updated according to the Binning settings may not be restored to its original value For example if you set the Binning Horizontal parameter to X3 with 500 Width the Width parameter will be updated to 166 automatically T
75. sily updated in the field through Gigabit Ethernet interface The camera is developed based on GenlCam standard The image processing and controls of VA GigE series are based on embedded FPGA with a 32 bit microprocessor Main Features e Normal and High Speed Operation Modes e X1 X3 4 x8 Horizontal and Vertical Binning e Exposure e Stream Hold nter Packet Delay Camera Image Memory 128MB Field Upgradable Firmware e Pixel Defect Correction Binning Mode 2X2 4X 4 e Excellent Anti Blooming and Anti Smear X X XX 9 Tmndfl 9 of 99 RA14 131 003 5 2 Specifications GigE series VA GigE series technical specifications are as follows VA GigE Series VA 1MG2 VA 2MG2 VA 2MG2 HD Active Image H x V 1024 x 1024 1600 x 1200 1920 x 1080 Truesense Imaging Truesense Imaging Truesense Imaging Sensor Type KAI 01050 KAI 02050 KAI 02150 Pixel size 5 5 um x 5 5 um Sensor Output 1 or 2 Tap Video Output 8 10 12 bits Dynamic Range gt 64 dB Mono8 10 10 packed Mono12 Mono12 packed Output Format Bayer8 Bayer10 Bayer10 packed Bayer12 Bayer12 packed Camera Interface Gigabit Ethernet Electronic Shutter Global Shutter Max Frame Rate at Full Resolution 21 fps 39 fps Pixel Clock 40 50 Shutter Speed 10 us step 7 us 75 Partial Scan Max Speed 107
76. t Delay Delay Delay Frame Transmission Frame N 1 Transmission Frame N 2 Transmission Frame Transmission Figure 8 11 Timing Chart not drawn to scale sT M M 47 of 99 14 131 003 V The following table shows Exposure Start Delay for VA GigE series GigE series Exposure Exposure Start Delay Model Mode Triggering during the Idle State Triggering during the Readout State us lt Delay lt 30 0 us T VA 1MG2 up lt Delay lt 19 2 us 2 Tap 5 0 lt Delay x 27 0 1 Trigger Width 2 5 us 0 02 us i ds 5 0 us lt Delay lt 16 2 us 2 7 0 lt Delay lt 42 0 1 7 0 lt Delay lt 252 2 Ti VA 2MG2 us Clay us 2 Tap 5 0 lt Delay lt 39 0 1f Trigger Width 2 5 us 0 02 us ad 5 0 us lt Delay lt 22 2 ys 2 7 0 lt Delay lt 48 4 1 Timed 5 us 0 5 15 VA 2MG2 7 0 us lt Delay lt 28 4 ys 2 Tap HD 5 0 us lt Delay lt 45 4 us 1 f Trigger Width 2 5 us 0 02 us wt UR Op 5 0 us lt Delay lt 25 4 us 2 Tap 8 5 lt Delay x 59 8 1f 8 5 lt Delay lt 35 8 2 VA AMG2 us Clay us 2 Tap 6 5 lt Delay x 56 8 1f Trigger Width 2 5 us 0 02 us e 65 us lt Delay lt 32 8 us 2 8 5 lt Delay lt 79 0 1 8 5 lt Delay lt 45 4 2 VA 8MG2 us e ay us 2 Tap 6 5 lt Delay lt 76 0 1 Trigger Width 2 5 us 0 02 us 6 5 us lt
77. t a rate higher than the maximum allowed with the camera s current settings In this case you must adjust one or more of the factors that can influence the maximum allowed frame rate and then check to see if the maximum allowed frame rate has increased The time that it takes to transmit a frame out of the camera is the main limiting factor on the frame rate You can decrease the frame transmission time and thus increase the maximum allowed frame rate by doing one or more of the following Use an 8 bit pixel data format rather than a 12 bit pixel format Images with fewer bits per pixel will take less time to transmit Use a smaller ROI Decreasing the ROI means that the camera has less data to transmit and therefore the transmission time will decrease a A Use binning When pixels are binned there is less data to transmit and therefore the transmission time will decrease sure that the Packet Size GevSCPSPacketSize parameter is set as high as possible for your system and that the Inter Packet delay GevSCPD parameter is set as low as possible If you have the Sensor Digitization Taps parameter set to One consider changing the value to Two This will usually increase the maximum allowed frame rate If you are using normal exposure times and you are using the camera at its maximum resolution your exposure time will not normally restrict the frame rate However if you are using long exposure times or small regi
78. te Auto features use the pixel data from a Data Region of Interest ROI to adjust the related parameters XML parameters related to data ROI are as follows XML Parameters Value Description AWB Select a Data used for Balance White Auto X coordinate of start point ROI RoiSelector HoiOffsetX DataRoiControl RoiOffsetY RoiWidth RoiHeight Y coordinate of start point ROI Width of ROI Height of ROI Table 9 10 XML Parameters related to Data ROI X 68 of 99 RA14 131 003 VA GigE series Only the pixel data from the area of overlap between the data ROI by your settings and the Image ROI will be effective if you use Image ROI and Data ROI at the same time The effective ROI is determined as shown in the figure below WidthMax ROI Offset X Offset X e cc e ed Co fo ed eO 0 0 sooo gogo EIE O go EJ E C3 EJ E EJ EJ DE EJ EJ O OO OOOO 0O CO O EJ Ej LE L3 L3 C1 C3 CJ C1 C3 EJ 0 0 LI LI L3 C OHoooooog L3 E1 0 0 0 0 0 OOOOO0D0D0DO0000D OOOOOOO000000 180 190 0 200 L1 10 0 0 0 230 AL D 50 0 20 1ubieH A195HO0
79. the Acquisition Start command will expire Before attempting to acquire another frame you must execute a new Acquisition Start command If the Acquisition Mode parameter is set to Continuous an Acquisition Start command does not expire after a single frame is captured Once an Acquisition Start command has been executed you can acquire as many frames as you like The Acquisition Start command will remain in effect until you execute an Acquisition Stop command Once an Acquisition Stop command has been executed the camera will not be able to acquire frames until a new Acquisition Start command is executed X Q A X X XX nmsmzd f 28 of 99 RA14 131 003 vorks VA GigE series Exposure Start Trigger Applying an exposure start trigger signal to the camera will exit the camera from the waiting for exposure start trigger acquisition status and will begin the process of exposing and reading out a frame see Figure 8 1 As soon as the camera is ready to accept another exposure start trigger signal it will return to the waiting for exposure start trigger acquisition status A new exposure start trigger signal can then be applied to the camera to begin another frame exposure The exposure start trigger has two modes off and on If the Trigger Mode parameter is set to Off the camera will generate all required exposure start trigger signals internally and
80. tion Pixel Clock 40 50 30 40 Partial Scan Max Speed 82 fos at 200 Lines 48 fps at 300 Lines 8 8 fps at 500 Lines Binning X1 3 x4 x8 Horizontal and Vertical Independent Lookup Table G 1 0 User Defined Lookup Table LUT Black Level Adjustable 0 127 LSB at 12 bit 256 steps Analog Gain x40 0 32 dB Exposure Mode Timed Exposure Trigger Width Exposure Double Exposure External Trigger 3 3 V 24 0 V 10 mA Asynchronous optically isolated software Trigger Asynchronous Programmable via Camera API Camera Image Memory 128 MB Lens Mount C mount or F mount Power 10 15 V DC Max 6W Environmental Operating 5 C 40 C Storage 40 C 70 C 68 mmx68 54 mm 420 g with C mount 74 mnx65 mmx1093 mm 68 mmx68 mm x83 mm 460 g with F mount 550 g with F mount Table 5 2 Specifications of VA GigE Series VA 4 8 29MG2 X X snniflb 11 of 99 RA14 131 003 vorks VA GigE series 5 3 Camera Block Diagram Optocoupler zi Line Driver output V Driver mai DUE Image Processing N Control Logic Y SDRAM XD Sensor 1 Abit d Micro Controller H Driver Ethernet Network gt Controller c e
81. ular event to control EventSelector ExposureEnd e Exposure End event is only available EventControl O Enable the selected event notification Event Notification Off Disable the selected event notification Latch the current time stamp counter into TransportLayer GevTimestampControlLatch GevTimestampValue Control GevTimestampControlReset Reset the time stamp counter to 0 Table 9 21 XML Parameters related to Event Control 86 of 99 RA14 131 003 orks VA GigE series 9 21 Device User ID You can input user defined information up to 16 bytes XML parameter related to Device User ID is as follow XML Parameters Description DeviceControl DeviceUserID Input user defined information 16 bytes Table 9 22 XML Parameter related to Device User ID 9 22 Device Reset Reset the camera physically to power off and on You must connect to the network because the camera will be released from the network after reset XML parameter related to Device Reset is as follows XML Parameters Description DeviceControl Reset the camera physically Table 9 23 XML Parameter related to Device Reset XXX J X K f 87 of 99 RA14 131 003 I d how y orks VA GigE series 9 23 User Set Control You can save the current camera settings to the camera s internal ROM You can also load the camera settings from the camera
82. ure you can achieve increased frame rates by decreasing the height of the ROI however decreasing the width of the ROI does not affect the frame rate The ROI is referenced to the top left corner origin 0 0 of the sensor array as follows WidthMax Offset Y OOOOO0008 22 3 LI LI OO OO Oo OO LI 20 120 0 0 0O L1 C1 HeightMax Height 0 ill only readout and transmit the pixel data in this area Figure 9 1 Image Region of Interest XX s A J smmsmndl 51 of 99 RA14 131 003 The XML parameters related to ROI settings are as follows GigE series XML Parameters Value Description SensorWidth SensorHeight Effective width of the sensor Effective height of the sensor Maximum allowed width of the image with the current WidthMax camera settings Maximum allowed height of the image with the ImageFormatControl HeightMax current camera settings Height OffsetX OffsetY 9 Current width of the image Current height of the image Horizontal offset from the origin to the Image ROI Vertical offset from the origin to the Image ROI The unit for all parameters in thi
83. you do not need to apply exposure start trigger signals to the camera The rate at which the camera will generate the signals and acquire frames will be determined by the way that you set several frame rate related parameters If the Trigger Mode parameter is set to On you must trigger exposure start by applying exposure start trigger signals to the camera Each time a trigger signal is applied the camera will begin a frame exposure When exposure start is being triggered in this manner it is important that you do not attempt to trigger frames at a rate that is greater than the maximum allowed There is a detailed explanation about the maximum allowed frame rate at the end of this chapter Exposure start trigger signals applied to the camera when it is not in a waiting for exposure start trigger acquisition status will be ignored Acquisition Start Acquisition Stop Command Command Exposure Start Trigger Signal Time Camera is waiting for an exposure start trigger signal Frame exposure and Frame transmission Figure 8 1 Exposure Start Triggering X X X X m n 29 of 99 RA14 131 003 l3 EN n orks VA GigE series i Applying Trigger Signals The paragraphs above mention applying a trigger signal There are two ways to apply an exposure start t

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