Home

Baumer TXG User's Guide for Gigabit Ethernet

1. A Trigger delay B Exposure time Different trigger sources can be used here C Readout time 4 6 4 Trigger Source The trigger delay is a flexible user defined delay between the given trigger impulse and the image cap ture The delay time can be set between 0 0 and 2 0 sec with a stepsize of 1 usec In the case of multiple triggers during the delay the triggers will be stored and delayed too The buffer is able to store up to 512 trigger signals during the delay Your benefits No need for a perfect alignment of an external trigger sensor Different objects can be captured without hardware changes lt Figure 54 Examples of possible trigger sources Each trigger source has to be activated separately When the trigger mode is activated the hardware trigger is activated by default 49 4 6 5 Debouncer The basic idea behind this feature was to seperate interfering signals short peaks from valid square wave signals which can be important in industrial environments Debouncing means that invalid signals are filtered out and signals lasting longer than a user defined testing time t ebouncenign be recognized and routed to the camera to induce a trigger In order to detect the end of a valid signal and filter out possible jitters within the signal a second testing time t was introduced This timing is also adjustable by
2. frame effective B image parameters frame n effective C exposure time frame n 1 effective D image parameters frame n 1 effective Image parameters Offset Gain Mode Partial Scan 24 The cameras can be operated non overlapped or overlapped Depending on the mode used and the combination of exposure and readout time Non overlapped Operation Overlapped Operation Here the time intervals are long enough to process exposure and readout succes In this operation the exposure of a frame n 1 takes place during the readout of sively frame n Exposure Exposure Readout Readout 2 4 1 Free Running Mode In the Free Running mode the camera records images permanently and sends them to the PC In order to achieve an optimal with regard to the adjusted exposure time t and image format the camera is operated overlapped exposure In case of exposure times equal to less than the readout time t posure S readout the maxi mum frame rate is provided for the image format used For longer exposure times the frame rate of the camera is reduced 11 t exposure n ll Loxposure n 1 lash n 1 Flash d p lexposure 2 4 2 Fixed Frame Rate Mode With this feature Baumer introduces a clever technique to the TXG camera series that enables the user to predefine a desired frame rate in conti
3. TXGO2 TXG03 TXG04 TXG04h TXG06 TXG08 TXG12 TXG13 TXG14 TXG14f TXG20 TXG50 Color TXGO2c TXGO3Cc TXG04c TXGOGC TXGO8C TXG12c TXG13c TXG14c TXG20c TXG50c 36 4 1 3 On exposure of the sensor the inclination of photons produces charge separation on the semiconductors of the pixels This results in a voltage difference which is used for signal extraction C The signal strength is influenced by the incoming amount of photons It can be increased by increasing the exposure time t On Baumer TXG cameras the exposure time can be set within the following ranges step size Camera Type MIN MaX TXG02 4 usec 60 sec TXG03 4 usec 60 sec TXG04 4 usec 60 sec TXG04h 15 usec 2 sec TXG06 4 usec 60 sec TXG08 4 usec 60 sec TXG12 4 usec 60 sec TXG13 4 usec 60 sec TXG14 4 usec 60 sec TXG14f 4 usec 60 sec TXG20 4 usec 60 sec TXG50 4 usec 2 sec Color TXG02c 4 usec 60 sec TXGO3c 4 usec 60 sec TXGO4c 4 usec 60 sec TXGO06c 4 usec 60 sec TXGO08c 4 usec 60 sec TXG12c 4 usec 60 sec TXG13c 4 usec 60 sec TXG14c 4 usec 60 sec TXG20c 4 usec 60 sec TXG50c 4 usec 2 sec Light Photon Pixel exposure o N N N S v KX xx A 0 X N NN N N V Charge Carrier
4. 66 5 7 2 Fault 1 Lost Packet within Data 66 5 7 3 Fault 2 Lost Packet at the End of the Data Stream 66 5 7 4 Termination Conditions hinten e 67 5 8 Message Channel _ _ _ __ To pEE 68 5 8 1 daabiracsmosasedadanees 68 5 9 Action Command Trigger over 69 5 9 1 Example Triggering Multiple Cameras 69 6 5 70 6 1 Start Stop Acquisition 70 0 2 Start Stop Interface audio mitate aa a aa 70 6 3 Pause Resume 70 6 4 Acquisition MOGQGS 70 or M TSS MENOR TRE EEUU 70 OAZ TMOJE RR DO f 64 3 SEQUENT LOU E 70 Lens MOUNINO 71 0 CLC E en 71
5. 08 06 04 Relative Response 02 400 450 500 550 600 650 700 TXG03c Wave Length nm 08 06 04 Relative Response 02 0 400 450 500 550 600 650 700 TXG04c Wave Length nm 08 06 04 02 0 Relative Response o 400 TXG04h 500 600 700 800 Wave Length nm 900 1000 08 06 04 02 Relative Response o 600 700 800 Wave Length nm 900 1000 08 06 04 02 Relative Response o 600 700 800 Wave Length nm 900 1000 08 06 04 Relative Response 02 400 TXG12 500 600 700 800 Wave Length nm 900 1000 08 06 04 Relative Response 02 0 400 TXG06c 450 500 550 600 Wave Length nm 650 700 08 06 04 Relative Response 02 0 400 TXG08c 450 500 550 600 Wave Length nm 650 700 08 06 04 Relative Response 02 0 400 TXG12c 450 500 550 600 Wave Length nm 6
6. NM O OO NH NM m gt 8 Figure 12 gt Spectral sensitivities for Baumer cameras with 0 3 MP CCD sensor MP Megapixels Figure 13 Spectral sensitivities for Baumer cameras with 0 3 MP CCD sensor Figure 14 gt Spectral sensitivities for Baumer cameras with 0 3 MP CCD sensor 16 2 Product Specifications 2 1 Spectral Sensitivity for Baumer TXG Cameras The spectral sensitivity characteristics of monochrome and color matrix sensors for Baumer Gigabit Ethernet cameras are displayed in the following graphs The charac teristic curves for the sensors do not take the characteristics of lenses and light sources without filters into consideration Values relating to the respective technical data sheets of SONY Corporation 08 06 04 Relative Response 02 400 500 600 700 800 900 1000 TXG02 Wave Length nm 08 06 04 Relative Response 02 400 500 600 700 800 900 1000 TXG03 Wave Length nm 08 06 04 Relative Response 02 400 500 600 700 800 900 1000 Wave Length nm 08 06 04 Relative Response 02 400 450 500 550 600 650 700 TXG02c Wave Length nm
7. 13 Support If you have any problems with the camera then feel free to contact our support Worldwide Baumer Optronic GmbH Badstrasse 30 DE 01454 Radeberg Germany Tel 49 0 3528 4386 845 Mail support cameras baumer com Website www baumer com 74 19 GGOZEOLL L z0 o afans peejueuen jou pejuud ueeq seu Phone 49 0 3528 4386 0 Fax 49 0 3528 4386 86 o 5 oO ss i E c 5 599 p D c e 2 07 5 o G YW LO 2 o O gt O 1 c LL T N
8. Baumer IXG User s Guide for Gigabit Ethernet Cameras Table of Contents PES m eee 6 1 1 Standard 7 1 2 Standard Cameras with Power over Ethernet POE 8 1 3 Standard Cameras with In and 3 9 14 IPG 10 14 1 Protective feces hic pendence neat sade 11 1 4 2 Maximal Objective Length inside Protective 11 1 4 3 Determination of the Required Tube Length 12 2 Product Specifications T TEE 16 2 1 Spectral Sensitivity for Baumer TXG 16 22 Field of View ME c 19 2 2 1 Standard uuuu u TAt 19 2 2 2 Cameras with IP67 Housing 20 2 3 Process and Data Interfaces 21 2 3 1 Interfaces of Camera Types 21 2 3 2 5 amp 1 ____ 21 B00 LEDS OF Camera 23 2 4 Acquisition Modes and TIMINGS ccccccceecc
9. R zx zx a a R Tick is the internal time unit of the camera it lasts 32 nsec 4 Figure 63 Timestamps of recorded images oF The IPG is measured in ticks described in chapter 5 2 An easy rule of thumb is 1 Tick is equivalent to 4 Bytes of data You should also not forget to add the various ethernet headers to your calculation 58 5 Interface Functionalities 5 1 Device Information This Gigabit Ethernet specific information on the device is part of the Discovery Acknowl edge of the camera Included information MAC address Current IP configuration persistent IP DHCP LLA Current IP parameters IP address subnet mask gateway Manufacturer s name Manufacturer specific information Device version Serial number User defined name user programmable string 5 2 Packet Size and Maximum Transmission Unit MTU Network packets can be of different sizes The size depends on the network components employed When using GigE Vision compliant devices it is generally recommended to use larger packets On the one hand the overhead per packet is smaller on the other hand larger packets cause less CPU load The packet size of UDP packets can differ from 576 Bytes up to the MTU The MTU describes the maximal packet size which can be handled by all network com ponents involved In principle modern network hardware supports a packet size of 1500 B
10. 42 4 3 Color Adjustment White Balance 42 4 3 1 User specific Color 42 4 3 2 One Push White Balance uda cU Oca duce P blu dion 43 4 4 1 Offset Black 43 a 2 PR 44 4 o PUKE 2 cd Rid tpud TRA DUCUM qwe a RUE 44 4 5 1 General Infor uem camo amodo etta Scheme eum 44 245 2 CONES CUO Ny Fa COR Tuae 45 M029 45 dio Process Intel Id E 46 aou 46 40 2 10 48 E 49 464 Tigger SOUCO 49 DODOUNCOT NEUE 50 Fels belle RTT mU 50 51 zm OF Frame 52 m m m 53 4 7 1 General Information 53 4 7 2 Baumer Optronic Sequencer in Camera 54 Sequencer Modes cc 54 4 7 4 Modality TOT
11. TransmissionDelay i i 2 lt Figure 69 Timing diagram for the transmission delay of TransmissionDelay T Camera 3 A the three gt employed cameras using even exposure times 61 62 In general the transmission delay is calculated as n vensnissionDelsvi Camera n lapasi Camera 1 1 7 lanana Camera n gt tt ansferGigE Camera 1 n23 Therewith for the example the transmission delays of camera 2 and 3 are calculated as follows TransmissionDelay Camera 2 smod 1 E 1 E EO 2 TransmissionDelay Camera 3 sens 1 D meno 1 3 dE EM 2 Solving this equations leads to 32 msec 50 msec 32 msec TransmissionDelay Camera 2 50 msec 1562500 Ticks 32 msec 50 msec 32 msec 2 4 msec TransmissionDelay Camera 3 52 4 msec 1637500 Ticks 5 5 Multicast Multicasting offers the possibility to send data packets to more than one destination ad dress without multiplying bandwidth and number of receivers on sender side The data is sent out to an intelligent network node an IGMP Internet Group Management Protocol capable switch or router and distributed to the receiver group On Baumer Gigabit Ethernet cameras multicast is used to process image and message date separately on e g two different PC s Multicast Addresses For multicasting Baumer suggests an IP range from 232 0 1
12. 4 6 7 2 Interruption Behaviour Upon unintended faulty configuration Baumer TXG cameras are able to interrupt running timers as displayed within the following figure Trigger IL _ liriggerdelay texposure tTimerDelay i LTimerDelay A gt imerDuration Timer In case of incoming valid trigger signal during a running timer the timer will aborted 1 and restarted 2 after the predefined TimerDelay 4 6 8 Frame Counter The frame counter is part of the Baumer image infoheader and supplied with every image if the chunkmode is activated It is generated by hardware and can be used to verify that every image of the camera is transmitted to the PC and received in the right order 4 7 Sequencer 4 7 1 General Information A sequencer is used for the automated control of series of images using different sets of parameters Sequencer Start 4 Figure 58 Flow chart of sequencer m number of loop passes n number of set repetitions number of sets of parameters z number of frames per trigger The figure above displays the fundamental structure of the sequencer module A sequence 0 is defined as a complete pass through all sets of parameters The loop counter m represents the number of sequence repetitions The repeat counter n is used to control the amount of images taken with the respective Sequencer Para
13. FCC Part 15 Class B UL ROHS 12 1 CE We declare under our sole responsibility that the previously described Baumer TXG cameras conform with the directives of the CE 12 2 FCC Class B Device Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to pro vide reasonable protection against harmful interference in a residential environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructios may cause harmful interference to radio communications However there is no guarantee that interference will not occure in a particular installation If this equipment does cause harmful interference to radio or televi sion reception which can be determined by turning the equipment off an on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer an experienced radio TV technician for help 12 3 UL Class Device Power supply for operation of the TXG series of cameras must be provided using a limited power supply in accordance with UL60950
14. 26 2 4 3 3 Overlapped Operation texposure n 2 lt texposure n 1 If the exposure time t is decreased from the current acquisition to the next acquisi exposure tion the time the camera is unable to process occuring trigger signals t ay is scaled up When decreasing the t such that t exceeds the pause between two incoming exposure notready trigger signals the camera is unable to process this trigger and the acquisition of the im age will not start the trigger will be skipped 1d Trigger t triggerdelay Z l texposure n texposure n 1 T texposure ne Exposure Po L l A exposure frame n effective B image parameters t t frame n effective 1 Readout frame 1 effective D image parameters frame n 1 effective t E earliest possible trigger notready F frame not started Trigg rReady trigger skipped Image parameters Offset Gain Mode Partial Scan tiash n 1 Flash Tice liashdelay From a certain frequency of the trigger signal skipping triggers is unavoidable In gen eral this frequency depends on the combination of exposure and readout times 27 2 4 3 4 Non overlapped Operation If the frequency of the trigger signal is selected for long enough so that the image acquisi tions t t run
15. 10 Dimensions of available protective caps for IP67 70 8 93 8 housing 1 4 2 Maximal Objective Length inside Protective Cap Distance X Distance X 4 Figure 11 A Cylinder bottom Maximal objective legth B Cover glass inside protective caps C mount for IP67 housing Tube Length Distance Distance mm Number mm mm 518 11008777 32 6 30 61 8 11008776 42 6 40 70 8 11008775 51 6 49 93 8 11008774 74 6 72 11 12 1 4 3 Determination of the Required Tube Length 1 4 3 1 Cameras with Sensor Size of 1 3 Manufacturer Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Linos Linos Linos Linos Linos Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Tamron Tamron Tamron Tamron Tamron Tamron Tamron Model C60607 H612A C31634KP C1614 M C32500KP C2514 M KP C33500KP C3516 M KP C35001KP C5028 M KP C37500KP C7528 M KP C31630KP 1614 KP C30405KP C418DX KP C30811KP C815B KP C61232KP H1214 M KP C62500 H2520 UVM KP C61215KP H1212B KP C91608KG H614 M KP MeVis C 12mm 1 8 MeVis C 16mm 1 6 MeVis C 25mm 1 6 MeVis C 35mm 1 6 MeVis C 50mm 1 8 CNG 1 8 4 8 CNG 1 4 8 CNG 1 4 12 XNP 1 4 17 XNP 1 4 23 XNP 1 9 35
16. 9 BRANSON rage 71 10 EINEN 72 Tie arany NOTES 72 12 ONTON ae E A E E 73 E E E EE E E 73 12 2 FCC Class B Device 13 12 3 UL 73 1 Portfolio All Baumer Gigabit Ethernet cameras of the TXG family are characterized by Best image quality Flexible image acquisition Fast image transfer Perfect integration Compact design Reliable operation High quality progressive scan CCD sensors with highest sensitivity Image output data in 8 10 12 bit resolution Low noise and structure free image information High quality mode with minimum noise Exposure times from 4 us to 60 000 ms Binning and true partial scan readout modes Industrially compliant process interface with parameter setting capability trigger and flash Reliable transmission at 1000 Mbit sec according to IEEE802 3 Cable length up to 100 m Baumer driver for high data volume with low CPU load High speed operation Gen l Cam and GigE Vision compliant Flexible generic programming interface Baumer GAPI for all Baumer cameras Powerful Software Development Kit SDK with sample codes and help files for simple integration Baumer viewer for all camera functions Interface for NET CZ VB NET C C Software for Windows XP Vista and Linux 3
17. IO Line Line3Falling Falling edge detected on IO Line Line4Rising Rising edge detected on IO Line 4 Line4Falling Falling edge detected on IO Line 4 Line5Rising Rising edge detected on IO Line 5 Line5Falling Falling edge detected on IO Line 5 Vendor specific EventError Error in event handling EventLost Occured event not analyzed TemperatureExceeded Reference value of temperature exceeded TriggerReady tiotreagy See chapter 2 4 elapsed camera is able to process incoming trigger TriggerOverlapped Overlapped Mode see chapter 2 4 detected TriggerSkipped Camera overtriggered see chapter 2 4 EndOfSequencerExposure Last exposure of sequence ended 68 5 9 Action Command Trigger over Ethernet The basic idea behind this feature was to achieve a simultaneous trigger for multiple cameras Therefore a broadcast ethernet packet was implemented This packet can be used to induce a trigger as well as other actions Since hardware release 2 1 the implemetation of the Due to the fact that different network components feature different latencies and jitters Action Command follows the trigger over the Ethernet is not as synchronous as a hardware trigger Nevertheless 2 regulations of the GigE applications can deal with these jitters in switched networks and therefore this is a com 4501 standard 1 2 fortable method for synchronizing cameras with software additions The action command is sent as a broadcast In addition it is pos
18. ROI is an area of pixels of the sensor On image acquisi tion only the information of these pixels is sent to the PC Therefore all the lines of the sensor need not be read out which decreases the readout time t This increases the frame rate readout This function is employed when only a region of the field of view is of interest It is coupled to a reduction in resolution The ROI is specified by four values Offset X x coordinate of the first relevant pixel Offset Y y coordinate of the first relevant pixel SizeX horizontal size of the ROI Size Y vertical size of the ROI End ROI lt gt O In the illustration below readout time would be decreased to 4096 compared with a full frame readout Readout lines 4 Figure 35 Partial Scan Parameters of the ROI 4 Figure 36 Decrease readout time by using partial scan 39 4 1 7 Binning On digital cameras you can find several operations for progressing sensitivity One of them is the so called Binning Here the charge carriers of neighboring pixels are aggre gated Thus the progression is greatly increased by the amount of binned pixels By using this operation the progression in sensitivity is coupled to a reduction in resolution Baumer cameras support three types of Binning vertical horizontal and bidirectional In unidirectional binning vertically or horizontally neighboring pixels are aggregated and reported to the so
19. earlier On Baumer TXG cameras the timer configuration includes four components Trigger t triggerdelay lox a a Exposure lrimerDelay 4 Figure 56 rimerDuration POSS Timer figuration Baumer Description TimerTriggerSource This feature provides a source selection for each timer TimerTriggerActivation This feature selects that part of the trigger signal edges states that activates the timer TimerDelay This feature represents the interval between incoming trigger signal and the start of the timer TimerDuration By this feature the activation time of the timer is adjustable 4 6 7 1 Flash Delay As previously stated the Timer feature can be used to start the connected illumination earlier than the sensor exposure This implies a timer configuration as follows The flash output needs to be wired to the selected internal Timer signal Trigger source and trigger activation for the Timer need to be the same as for the sensor exposure The TimerDelay feature t delay triggerdelay The duration of the timer signal should last until the exposure of the sensor is completed This can be realized by using the following formula needs to be to a lower value than the trigger T Eesti Leite PN 51 52 Figure 57 Interruption behaviour of the timer feature
20. lt Figure 33 Incidence of light causes charge separation on the semiconductors of the sensor 37 0 A Figure 34 Non linear perception of the human eye 38 H Perception of bright ness E Energy of light 4 1 4 Look Up Table The Look Up Table LUT is employed on Baumer monochrome cameras It contains 212 4096 values for the available levels of gray These values can be adjusted by the user In this example the LUT is used to overwrite levels of gray which are not of interest or in the case of overdrive 4 1 5 Gamma Correction With this feature Baumer TXG cameras offer the possibility of compensating nonlinearity in the perception of light by the human eye For this correction the corrected pixel intensity Y is calculated from the original intensity of the sensor s pixel and correction factor y using the following formula in over simplified version original a original On Baumer TXG cameras the correction factor is adjustable from 0 001 to 2 The values of the calculated intensities are entered into the Look Up Table see 4 1 4 Thereby previously existing values within the LUT will be overwritten If the LUT feature is disabled on the software side the gamma correction feature also is disabled 4 1 6 Region of Interest ROI With the Region of Interest function it is possible to predefine a so called Region of Inter est ROI or Partial Scan This
21. resolution of the sensor Baumer cameras are able to provide several image formats depending on the type of camera Compared with standard cameras the image format on Baumer cameras not only in cludes resolution but a set of predefined parameter These parameters are Resolution horizontal and vertical dimensions in pixels Binning Mode see chapter 4 1 6 HQ Mode see chapter 4 1 7 Full frame Full frame HQ Binning 2x2 Binning 2x2 HQ Binning 1x2 Binning 1x2 HQ Binning 2x1 Binning 2x1 HQ Camera Type Monochrome TXGO2 TXGOS3 TXG04 TXGO4h TXG06 TXG08 TXG12 TXG13 TXG14 TXG14f TXG20 TXG50 Color TXG02c TXGO3c TXGO06c TXGO08c TXG12c TXG13c TXG14c TXG20c TXG50c BH E E E E E E E E B EE HN BH E E E E E E E E j E E E E E E E E E E E E E E E E E j E E E E E E EE E B EE BH E E E E E E E E E E E E E E E BM EE E E E E E E E E j iit E E E E E E E E HN E E E E E E E E O NEM O MEM O O O O mS O O O mS O 1 O O PS O NEM O 4 1 2 Pixel Format On Baumer digital cameras the pixel format depends on the selected image format 4 1 2 1 Definitions RAW Raw data format Here the data are stored without processing Bayer Raw data format of color sensors Color filters are placed on these sensors in a checker
22. the sample rate This decreases the necessary bandwith by half in relation to 4 4 4 34 Pixel depth In general pixel depth defines the number of possible different values for each color channel Mostly this will be 8 bit which means 2 different col ors For RGB or BGR these 8 bits per channel equal 24 bits overall Two bytes are needed for transmitting more than 8 bits per pixel even if the second byte is not completely filled with data In order to save bandwidth the packed formats were introduced to Baumer TXG cameras In this formats the unused bits of one pixel are filled with data from the next pixel 8 bit 10 bit 12 bit Packed Bit 0 Bit 0 Bit 0 Bit 7 Byte 1 Byte 2 Byte 3 unused bits D 1 Byte 1 Byte 2 unused bits Byte 1 Byte 2 Pixel 0 Pixel 1 Byte 1 Byte 2 Byte 3 4 Figure 29 Bit string of Mono 8 bit and RGB 8 bit 4 Figure 30 Spreading of Mono 10 bit over 2 bytes lt Figure 33 Spreading of Mono 12 bit over two bytes lt Figure 32 Spreading of two pix els in Mono 12 bit over three bytes packed mode 35 4 1 2 2 Pixel Formats Baumer TXG Cameras pexoed LLY ANA pexoed ANA pexoed ANA pexoed 8 dog pexoed 8 99 Je eg OL DY Je eg 9 JoKeg pexoeg Z Z pexoeg 0L 01 oUo
23. the user If the signal value falls to state low and does not rise within t this is recognized as end of the signal DebounceLow gt The debouncing times m TS of 1 usec are adjustable from 0 to 5 msec in steps This feature is disabled by default Debouncer Please note that the edges of valid trigger signals are shifted by t and DebounceHigh Incoming signals Depending on these valid and invalid two timings the trigger signal might be temporally stretched or compressed Debouncer pabbuncsith DebounceLow Filtered signal At high time of the signal Figure 55 toebounceigh USEF defined debouncer delay for state high Principle of the Baumer toebounceLow User defined debouncer delay for state low debouncer 4 6 6 Flash Signal This signal is managed by exposure of the sensor Furthermore the falling edge of the flash output signal can be used to trigger a movement of the inspected objects Due to this fact the span time used for the sensor readout t can be used optimally in industrial environments readout 50 4 6 7 Timers Timers were introduced for advanced control of internal camera signals For example the employment of a timer allows you to control the flash signal in that way that the illumination does not start synchronized to the sensor exposure but a predefined interval
24. 0 to 202 200 200 200 lt Figure 70 Multicasting with one Baumer Gigabit Eth ernet camera and two PC s 63 Baumer cameras v4 is employed 5 6 1 Persistent IP A persistent IP adress is assigned permanently Its validity is unlimited Persistent Notice Please ensure a valid combination of IP address and subnet mask IP range Subnet mask 0 0 0 0 127 255 255 255 255 0 0 0 B 128 0 0 0 191 255 255 255 255 255 0 0 192 0 0 0 223 255 255 255 255 255 255 0 Figure 71 A Connection pathway for These combinations are not checked by Baumer GAPI Baumer GAPI Viewer or cam Baumer Gigabit Ether era on the fly This check is performed when restarting the camera in case of an invalid net cameras IP subnet combination the camera will start in LLA mode The device connects step by step via the This feature is disabled by default three described mecha nisms 5 6 2 DHCP Dynamic Host Configuration Protocol The DHCP automates the assignment of network parameters such as IP addresses sub net masks and gateways This process takes up to 12 sec Once the device client 15 connected to a DHCP enabled network four steps are processed DHCP Discovery In order to find a DHCP server the client sends a so called DHCPDISCOVER broad cast to the network A ir DHCP Lease Time broadcast NS DHCPDISCOVERY SS Figure 72 gt DHCP
25. 2 50 C F122 F TXG06 139 7102 2 190 122 F 08 40 C 104 F 450 C 122 TXG12 24 C 75 2 F 50 C F122 F TXG13 38 C 100 4 F 50 C 122 F TXG14 36 C 96 8 F 50 1227F TXG14f 40 C 104 F 50 C 122 F TXG20 38 C 100 4 F 150 5122 F 50 25 7 122 TXG50 I7 37 996 150 122 Color TXG02c 26 473 08 50 122 TXGO3c 40 C 104 F 450 C 122 IF TXG06c 139 102 2 50 122 TXGO08c 40 C 104 F 50 C 122 12 24 C 5 239 150 5122 TXG13c 38 C 100 4 F 50 7122 TXG14c 196 96 8 F 150 122 TXG20c 38 C 100 4 F T50 C 122 FF TXG50c 125 CAD 150 5122 Humidity Storage and Operating Humidity 10 90 Non condensing T T 4 Figure 26 ment points of Baumer TXG cameras Standard camera and Camera with IP67 2 5 2 Heat Transmission nousing It is very important to provide adequate dissipation of heat to ensure that the temperature does not reach or exceed 50 C 122 F As there are numerous possibilities for instal lation Baumer do not specifiy a specific method for proper heat dissipation but suggest the following principles Operate the cameras only in mounted condition mounting in combination with forced convection may provide proper heat dissipation Please refer to t
26. 2 bit and 64 bit Gen l Cam compliant XML file to describe the camera functions Supplied with installation program with automatic camera recognition for simple commissioning Rugged industrial housing design Uniform dimensions 36 mm x 36 mm frontside for all standard models Light weight State of the art camera electronics and precision mechanics Low power consumption and minimal heat genera tion Long lifetime 1 1 Standard Cameras Camera Type Monochrome Color TXG02 2 TXGO03 TXG04 TXG04c TXGO4h TXGO06 TXGO6c TXG08 TXG08c TXG12 TXG12c TXG13 TXG13c TXG14 TXG14c TXG14f TXG14cf TXG20 TXG20c TXG50 TXG50c Dimensions 36 true for Baumer TXGO4h 26 TO age Bal Sensor Size 1 4 Wis 1 2 Wey 1 2 1 3 1 3 213 2 3 1 1 8 25 Photosensitive surface of the sensor ae Resolution 656x494 656 x 494 656 x 490 656 x 494 656 x 490 640 x 480 776 x 582 776 x 578 1032 x 776 1032 x 772 1296 x 966 1392 x 1040 1384 x 1036 1392 x 1040 1384 x 1036 1392 x 1040 1384 x 1036 1624 x 1236 1624 x 1232 2448 x 2050 2448 x 2050 Full Frames max fps 140 90 56 210 64 4 Figure 1 Front and rear of a Baumer TXG camera 4 Figure 2 Dimensions of a Baumer TXG camera 1 2 Standard Cameras with Power over Ethernet PoE Power over ethernet line Single cable so
27. 50 700 4 Figure 15 Spectral sensitivities for Baumer cameras with 0 3 MP Kodak CCD sensor 4 Figure 16 Spectral sensitivities for Baumer cameras with 0 6 MP CCD sensor 4 Figure 17 Spectral sensitivities for Baumer cameras with 0 8 MP CCD sensor 4 Figure 18 Spectral sensitivities for Baumer cameras with 1 2 MP CCD sensor 17 Figure 19 gt Spectral sensitivities for Baumer cameras with 1 4 MP CCD sensor Figure 20 gt Spectral sensitivities for Baumer cameras with 1 4 MP CCD sensor Figure 21 Spectral sensitivities for Baumer cameras with 2 0 MP CCD sensor Figure 22 Spectral sensitivities for Baumer cameras with 5 0 MP CCD sensor 18 08 06 04 Relative Response 02 400 500 600 700 800 Wave Length nm 900 1000 08 06 04 Relative Response 02 400 500 600 700 800 Wave Length nm 900 1000 08 06 04 Relative Response 02 400 500 600 700 800 Wave Length nm 900 1000 08 06 04 Relative Response 02 400 500 600 700 800 Wave Length nm 900 1000 10 08 06 04 Relative Response 02 0 400 450 500 550 600 TXG13c Wave Length nm
28. 650 700 10 08 06 04 Relative Response 02 0 400 450 500 550 600 TXG14c Wave Length nm 10 650 700 08 06 04 Relative Response 02 0 400 450 500 550 600 TXG20c Wave Length nm 10 650 700 08 06 04 Relative Response 02 0 400 450 500 550 600 TXG50c Wave Length nm 650 700 2 2 Field of View Position 2 2 1 Standard Cameras The typical accuracy by assumption of the root mean square value is displayed in the figures and the table below x ey Photosensitive surface of the sensor optical path lt M of C mount 1 7 526 mm Baumer TXG cameras Camera aU E Viii E cen Ey O mm mm mm mm TXGO3 0 07 0 07 0 1 0 1 0 7 0 025 TXGO2 0 07 0 07 0 1 0 1 0 7 0 025 TXG04 0 07 0 07 0 1 0 1 0 7 0 025 TXGO4h 0 17 0 17 0 19 0 19 1 4 0 025 TXG06 0 07 0 07 0 1 0 1 0 7 0 025 TXGO8 0 07 0 07 0 1 0 1 0 7 0 025 TXG12 0 05 0 05 0 08 0 08 0 7 0 025 TXG13 0 05 0 05 0 08 0 08 0 7 0 025 TXG14 0 1 0 1 0 13 0 13 0 8 0 025 TXG20 0 05 0 05 0 08 0 08 0 7 0 025 50 0 05 0 05 0 08 0 08 0 7 0 025 2 2 2 Cameras with IP67 Housing The typical accuracy by assumption of the root mean square value is displayed in the figures and the
29. 92 x 1040 1384 x 1036 20 TXG14fm3 213 1392 1040 30 TXG20m3 TXG20cm3 1 1 8 1624 x 1236 1624 x 1232 16 TXG50m3 TXG50cm3 2 3 2448 x 2050 2448 x 2050 19 Dimensions Photosensitive C Mount surface of the sensor N 4 Figure 6 Dimensions of a Baumer TXG camera with additional IOs m3 26 1 4 1 67 Water and dust protected camera and lens Different tube length depending on the lens Safe from accidental adjustment of the lens Figure 7 Front and rear view of a Baumer TXG I7 camera with IP67 housing Sensor don Camera Type Resolution Frames Size max fps Monochrome Color TXGO03 I7 TXGO3c I7 1 9 656 x 494 656 x 490 90 TXG04 I7 TXGOAc I7 1 2 656 494 656 490 56 6 17 TXGO6c I7 1 2 776 x 582 776 x 578 64 08 17 TXGO8c I7 1 3 1032 x 776 1032 x 772 28 TXG13 I7 TXG13c I7 1 2 1392 x 1040 1384 x 1036 20 TXG14 I7 TXG14c I7 2 3 1392 x 1040 1384 x 1036 20 TXG14Af I7 213 1392 1040 30 TXG20 I7 20 17 1 1 8 1624 x 1236 1624 x 1232 16 TXG50 I7 TXG5Oc I7 2 3 2448 x 2050 2448 x 2050 15 Camera Dimensions C Mount E x LO N co gt Figure 8 gt Dimensions of a Baumer 6 17 camera with IP67 housing 10 1 4 1 Protective Caps 4 Figure 9 Available protective caps for Baumer TXG 17 cameras Protective Cap Dimensions 65 4 Figure
30. C61215KP H1212B KP C91608KG H614 M KP MeVis C 12mm 1 8 MeVis C 16mm 1 6 MeVis C 25mm 1 6 MeVis C 35mm 1 6 MeVis C 50mm 1 8 CNG 1 8 4 8 CNG 1 4 8 CNG 1 4 12 XNP 1 4 17 XNP 1 4 23 XNP 1 9 35 CNG 1 9 10 CNG 1 8 16 XNP 2 0 28 XNP 2 8 50 219HB 25HB 17HF 20HC 35HB 21HC 1A1HB Calculation without spacer ring No guarantee for correctness Refraction of light at the cover glass of the tube may cause a slight dislocation of the focus level 5 1 0 0 0 E 0 0 0 0 m m m Ld 0 8 Tube Length mm 61 8 0 Oo E NM E E J O NM NM U O 70 8 0 Oo E NM E E NM _ WM M MH NM NM HN 9 E NH E E BH BM O NM 8 14 1 4 3 3 Cameras with Sensor Size of 1 2 Manufacturer Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Linos Linos Linos Linos Linos Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Ta
31. CNG 1 9 10 CNG 1 8 16 XNP 2 0 28 XNP 2 8 50 219HB 25HB 17HF 20HC 35HB 21HC 1A1HB Calculation without spacer ring No guarantee for correctness Refraction of light at the cover glass of the tube may cause a slight dislocation of the focus level 5 1 0 0 0 0 O EB O 0 O 0 1 0 0 O 0 O m B B E O 8 Tube Length mm 61 8 Is Oo E E E E E E BM J BM B M NM BM _ BM NM NM NM NM HN 70 8 Oo NM E E E E E E E E E E E E E BM EEE BM EE E E 9 E NH E E E NH NH NH NH NH NH NH BH NH NH NH EEE O BH NH NH NH 8 1 4 3 2 Cameras with Sensor Size of 2 3 Manufacturer Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Linos Linos Linos Linos Linos Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Tamron Tamron Tamron Tamron Tamron Tamron Tamron Model C60607 H612A C31634KP C1614 M C32500KP C2514 M KP C33500KP C3516 M KP C35001KP C5028 M KP C37500KP C7528 M KP C31630KP C1614A KP C30405KP C418DX KP C30811KP C815B KP C61232KP H1214 M KP C62500 H2520 UVM KP
32. Discovery DHCP Offer After reception of this broadcast the DHCP server will answer the request by unicast known as DHCPOFFER This message contains several items of information such as MAC address Information for the client offered IP address IP adress Information on server subnet mask duration of the lease nm Figure 71 gt DHCP offer unicast 64 DHCP Request Once the client has received this DHCPOFFER the transaction needs to be con firmed For this purpose the client sends a so called DHCPREQUEST broadcast to the network This message contains the IP address of the offering DHCP server and informs all other possible DHCPservers that the client has obtained all the necessary information and there is therefore no need to issue IP information to the client broadcast 7 eec LE E Ur E TR NONSENSE DHCPREQUES 4 Figure 73 DHCP Request broadcast DHCP Acknowledgement Once the DHCP server obtains the DHCPREQUEST a unicast containing all neces sary information is sent to the client This message is called DHCPACK According to this information the client will configure its parameters and the pro cess is complete DHCP Lease Time The validity of DHCP IP addresses is limited by the lease time When this time ve is elapsed the IP configu ration needs to be redone This causes connection unicast 7 eoc NOD ot Ca ig DHCPACK 4 Fi
33. UM 54 _______ 55 4 7 6 Capability Characteristics of Sequencer Module 55 Doude SNUNET gt 56 BS a 57 4 9 Factory Settings eue edm Ide MU buda Pea iE 57 419 cua e T 57 5 Interface 58 5 1 Device TMM AAU OM 58 5 2 Packet Size and Maximum Transmission Unit 58 5 3 Inter Packet GaP 58 5 3 1 Example 1 Multi Camera Operation Minimal 59 5 3 2 Example 2 Multi Camera Operation Optimal 59 e pMBI TRENT UM 60 5 4 1 Time Saving in Multi Camera Operation 60 5 4 2 Configuration Example 61 e 63 cie 64 26 1 Persistent IP oe 64 5 6 2 DHCP Dynamic Host Configuration 64 Ie EEEE 65 TONS 65 97 ce uic ne T T 66 5 1
34. ackaging Storage Environment otorage temperature 10 70 C 14 F 158 Storage Humidy 10 90 non condensing 71 10 Disposal Dispose of outdated products with electrical or electronic circuits not in the normal domestic waste but rather according to your national law and the directives 2002 96 EC and 2006 66 EC for recycling within the competent collectors Through the proper disposal of obsolete equipment will help to save valu able resources and prevent possible adverse effects on human health and the environment The return of the packaging to the material cycle helps conserve raw mate rials an reduces the production of waste When no longer required dispose of the packaging materials in accordance with the local regulations in force 4 Keep the original packaging during the warranty period in order to be able to pack the device properly in the event of a warranty claim 11 Warranty Notes There are no adjustable parts inside the camera In order to avoid the loss of warranty do not open the housing If it is obvious that the device is was dismantled reworked or repaired by other than Baumer technicians Baumer Optronic will not take any responsibility for the subse quent performance and quality of the device 72 12 Conformity OF RoHS COMPLIANT LISTED 15189 2002 95 EC Cameras of the Baumer TXG family comply with
35. amaged or lost pack ets Figure 76 Resending lost packets within the data stream 66 5 7 Packet Resend Due to the fact that the GigE Vision standard stipulates using a UDP a stateless user datagram protocol for data transfer a mechanism for saving the lost data needs to be employed Here a resend request is initiated if one or more packets are damaged during transfer and due to an incorrect checksum rejected afterwards On this topic one must distinguish between three cases 5 7 1 Normal Case In the case of unproblematic data transfer all packets are transferred in their correct order from the camera to the PC The probability of this happening is more then 99 5 7 2 Fault 1 Lost Packet within Data Stream If one or more packets are lost within the data stream this is detected by the fact that packet number n is not followed by packet number n 1 In this case the application sends a resend request A Following this request the camera sends the next packet and then resends B the lost packet In our example packet no 3 is lost This fault is detected on packet no 4 and the re send request triggered Then the camera sends packet no 5 followed by resending packet no 3 5 7 3 Fault 2 Lost Packet at the End of the Data Stream In case of a fault at the end of the data stream the application will wait for incoming pack ets for a predefined time When this time has elapsed the resend re
36. ansformation to color space RGB or YUV External color adjustment Color adjustment as physical balance of the spectral sensitivities In order to reduce the data rate of YUV signals a subsampling of the chroma signals can be carried out Here the following items can be customized to the desired output format Order of data output Subsampling of the chroma components to YUV 4 2 2 or YUV 4 1 1 Limitation of the data rate to 8 bits 4 3 Color Adjustment White Balance This feature is available on all color cameras of the Baumer TXG series and takes place within the Bayer processor White balance means independent adjustment of the three color channels red green and blue by employing of a correction factor for each channel 4 3 1 User specific Color Adjustment The user specific color adjustment in Baumer color cameras facilitates adjustment of the correction factors for each color gain This way the user is able to adjust the amplifica tion of each color channel exactly to his needs The correction factors for the color gains range from 1 to 4 non adjusted histogramm after histogramm user specific color adjustment DAMEN 4 3 2 One Push White Balance Here the three color spectrums are balanced to a single white point The correction fac tors of the color gains are determined by the camera one time non adjusted histogramm after histogramm white balance 4 Figure 44 Examples of histo gra
37. board pattern generally in 50 green 25 red and 25 blue array Figure 27 Sensor with Bayer Pattern Mono Monochrome The color range of mono images consists of shades of a single color In general shades of gray or black and white are synonyms for mono chrome RGB Color model in which all detectable colors are defined by three coordinates Red Green and Blue Red Figure 28 RBG color space dis no ER played as color tube The three coordinates are displayed within the buffer in the order BGR Here the color alignment mirrors RGB YUV Color model which is used in the PAL TV standard and in image compression In YUV a high bandwidth luminance signal Y luma information is transmitted together with two color difference signals with low bandwidth U and V chroma information Thereby U represents the difference between blue and luminance U B Y V is the difference between red and luminance V The third color green does not need to be transmitted its value can be calculated from the other three values YUV 4 4 4 Here each of the three components has the same sample rate Therefore there is no subsampling here YUV 4 2 2 The chroma components are sampled at half the sample rate This reduces the necessary bandwidth to two thirds in relation to 4 4 4 and causes no or low visual differences YUV 4 1 1 Here the chroma components are sampled at a quater of
38. buffer of the switch this oper as employing a Gigabit ates without any problems up to n cameras n 2 1 More cameras would lead to a loss of packets These lost packets can however be saved by employing an appropriate resend mechanism but this leads to additional load on the network components Ethernet switch Data processing within the switch is displayed in the next two figures 4 Figure 65 Operation of two eras employing a minimal inter packet gap IPG 5 3 2 Example 2 Multi Camera Operation Optimal IPG A better method is to increase the IPG to a size of optimal IPG packet size 2 x minimal IPG In this way both data packets can be transferred successively Zipper principle and the switch does not need to buffer the packets On the Gigabit Ethernet the max IPG and the data packet must not exceed 1 Gbit Otherwise data pack ets can be lost 4 Figure 66 Operation of two camer as employing an optimal inter packet gap IPG 59 Figure 67 gt Principle of trans mission delay Figure 68 Comparison of trans mission delay and inter packet gap employed for a multi camera sys tem with different cam era models 60 5 4 Transmission Delay Another approach for packet sorting in operation is the so called Trans mission Delay which was introduced to Baumer Gigabit Ethernet cameras in hardware release 2 1 Due to the fact that the currently reco
39. c TXG13 1392 x 1040 8 11581440 50 32 10 8 TXGO6 776x582 8 3613056 15 5 32 3 4 TXG03 656 x 494 8 2592512 11 32 2 4 The sensor resolution and the readout time t can be found in the respective Technical Data Sheet TDS For the example a full frame resolution is used The exposure time t is manually set to 32 msec he resulting data volume is calculated as follows Resulting Data Volume horizontal Pixels x vertical Pixels x Pixel Depth The transfer time t fercige for full GigE transfer rate is calculated as follows Transfer Time GigE Resulting Data Volume 1024 x 1000 msec All the cameras are triggered simultaniously The transmission delay is realized as a counter that is started immediately after the sen sor readout is started 7 Vv A exposure start for all Trigger transmission C transmission start camera 2 t 11 1 1 is a E D transmission start camera 3 readout Camera 1 t transfer Camera 1 Due to technical issues the data transfer of camera 1 does not take place with full GigE speed Camera 2 texposure Camerd 2 TXG06 bag readout Camera 2 t transferGigE Camera 2 Camera 3 3 TXG03 E Il treadout Canteta 3 Il t lt transferGigE Camera 3
40. e gt Number of repetitions n lt pFeature gt BoSequencerFramesPerTrigger lt pFeature gt Number of frames per trigger Z lt pFeature gt BoSequencerkxposure lt pFeature gt Parameter exposure lt pFeature gt BoSequencerGain lt pFeature gt Parameter gain lt Category gt 4 7 3 Sequencer Modes The sequencer supports four different modes which can be activated in the xml file via a combination of features BoSequencerRunOnce and BoSequencerFreeRun Mode Activation Description ONCE BY TRIGGER BoSequencerRunOnce 1 The sequencer will run one complete BoSequencerFreeRun 0 cycle m sequences It is started by incoming trigger event ONCE FREE BoSequencerRunOnce 1 The sequencer will run one complete BoSequencerFreeRun 1 cycle m sequences It is started di rectly CYCLE BY TRIGGER BoSequencerRunOnce 0 The sequencer will run continuously It BoSequencerFreeRun 0 is started by an incoming trigger event CYCLE FREE BoSequencerRunOnce 0 The sequencer will run continuously It BoSequencerFreeRun 1 is started directly 4 7 4 Modality In general the procedure of sequencer integration is a Sequencer activation via BoSequencerEnable b Setting selector for set of parameters to minimum via BoSequencerSetSelector Adjustment of parameters BoSequencerExposure and BoSequencerGain d Setting sequencer run mode via BoSequencerRunOnce and BoSequencerFreeRun e Definitions of set of parameters repe
41. e you can use the full frame rate of the camera Short readout times cause a de crease in the smear effect 4 1 10 HQ Mode In HQ Mode the pixel clock of the sensor is mottled This leads to longer readout times and enhances the signal to noise ratio SNR Hereby the image quality is increased 41 Figure 42 gt Color processing mod ules of Baumer color cameras Figure 43 Examples of histo gramms for a adjusted image and for an image after user specific white balance 42 4 2 Color Processing Baumer color cameras are balanced to a color temperature of 5000 K Oversimplified color processing is realized by 4 modules Color Transfor mation YUV 4 2 2 White balance sampling The color signals r red g green and b blue of the sensor are amplified in total and digitized within the camera module Within the Bayer processor the raw signals g and b are amplified by using of indepen dent factors for each color channel Then the missing color values are interpolated which results in new color values g b The luminance signal Y is also generated The next step is the color transformation Here the previously generated color signals g and b are converted to the chroma signals U and V which conform to the standard Afterwards theses signals are transformed into the desired output format Thereby the following steps are processed simultaneously Tr
42. eeeeeeeeceeeceeeceeeeseeeeseeeseeeseeeeeeeseeeseeees 29 2 4 1 Free Running WOGGC 24 2 4 2 Fixed Frame Rate Mode nnn nnns 24 dede TT 25 2 4 4 Advanced Timings for GigE Vision Message 29 2 9 Environmental suede 31 2 5 1 Temperature and Humidity 31 29 2 WEi i em 31 3 TIC T Tm 32 31 32 me 32 4 Camera Functionalities 33 4 1 Image 5 33 Asda IM C MD PM PEPPER MM 33 4 1 2 Pixel Format 34 21293 gt 37 NES 38 4 1 9 Gamma GON CUO IN e E 38 4 1 6 Region of Interest ROI nennen nnns 39 40 4 1 8 Brightness Correction Binning 41 41 4 1 10 HQ 41 4 2 Color PIOCOSSII IO
43. ence the sequencer must be configured as follows Parameter Setting Sequencer Run Mode Once by Trigger Sets of parameters 0 2 Loops m 1 Repeats n 1 Frames Per Trigger 2 2 4 8 User Sets Four user sets 0 3 are available for the Baumer cameras of the TXG series User set 0 is the default set and contains the factory settings User sets 1 to 3 are user specific and can contain the following information Parameter Parameter Binning Image Format Brightness Correction Look Up Table Defect Pixel Correction Message Channel Defectpixellist Offset Black Level Digital IOs Partial Scan Fast HQ Mode Pixel Format Flash Settings Sequencer Gain Trigger Settings Exposure Time These user sets are stored within the camera and and cannot be saved outside the de vice By employing a so called user set default selector one of the four possible user sets can be selected as default which means the camera starts up with these adjusted pa rameters 4 9 Factory Settings The factory settings are stored in user set 0 which is the default user set This is the only user set that is not editable 4 10 Timestamp The timestamp is part of the GigE Vision standard It is 64 bits long and denoted in Ticks Any image or event includes its corresponding timestamp At power on or reset the timestamp starts running from zero EN E ax lt N
44. er TXG standard camera on output side 47 state selection signal selection software side software side Output Line 1 of 4 tengo 4 2 2 E at op 5 E utput Line 4 D X a et y UB P BE T ve vert N Output Line 5 me E Sex CR IO Matrix Figure 51 IO matrix of the Baumer TXGm3 on out put side 4 6 2 IO Circuits Output high active Output low active Input Customer Device Camera Customer Device Customer Device Camera r IO Power DRV Ve IO GND RL 1 1 1 1 1 1 1 IO Power L R lour Out 1 1 1 1 1 1 1 1 zi IO GND L 10 GND 48 4 6 3 Trigger 30V Trigger signals are used to synchronize the camera exposure and a machine cycle or in case of a software trigger to take images at predefined time intervals 11V Trigger valid 4 5V gt 0 A Figure 52 Trigger signal valid for Exposure Baumer cameras p m T Readout 4 Figure 53 Camera in trigger Nm
45. eries of images using different settings for exposure time and gain This feature is described in chapter 4 7 7 Lens Mounting Avoid contamination of the sensor and the lens by dust and airborne particles when mounting a lens to the device Therefore the following points are very important Install lenses in an environment that is as dust free as possible Keep the dust covers on camera and lens as long as possible Hold the camera downwards with unprotected sensor or filter cover glass Avoid contact with any optical surface of the camera or lens 8 Cleaning Cover glass The sensor is mounted dust proof Remove of the cover glass for cleaning is not neces sary Avoid cleaning the cover glass of the CCD sensor if possible To prevent dust follow the instructions under Install lens If you must clean it use compressed air or a soft lint free cloth dampened with a small quantity of pure alcohol Housing Volatile solvents for cleaning Volatile solvents damage the surface of the camera Never use volatile solvents benzine thinner for cleaning To clean the surface of the camera housing use a soft dry cloth To remove persistent stains use a soft cloth dampened with a small quantity of neutral detergent then wipe dry 9 Transport Storage Transport the camera only in the original packaging When the camera is not installed then storage the camera in original p
46. etermined within the production process of Baumer cam eras and stored in the factory settings see 4 8 1 Additional hot or cold pixels can develop during the lifecycle of a camera In this case Baumer offers the possibility of adding their coordinates to the defectpixellist The user can determine the coordinates of the affected pixels and add them to the list Once the defect pixel list is stored in a user set see 4 8 pixel correction is executed for all coor dinates on the defectpixellist Position in relation to Full Frame Format 4 6 Process Interface 4 6 1 Digital lOs Baumer standard cameras are equipped each with on digital input and one digital out put Additional digital in and outputs 105 are offered by the following cameras of the Baumer TXG series Monochrome Cameras Color Cameras TXGO3m3 TXGO3cm3 TXG13m3 TXG14m3 TXG20m3 TXG20cm3 TXG50m3 4 6 1 1 User Definable Inputs The wiring of these input connectors is left to the user Sole exception is the compliance with predetermined high and low levels 0 4 5V low 11 30V high The defined signals will have no direct effect but can be analyzed and processed on the software side and used for controlling the camera The employment of a so called IO matrix offers the possibility of selecting the signal and the state to be processed On the software side the input signals are named Trigger Input 1 and Input 2 Due to the fact that the TXG m
47. ftware as one single superpixel In bidirectional binning a square of neighboring pixels is aggregated Binning Illustration Example without Figure 37 Full frame image no binning of pixels Figure 38 gt 1x2 Vertical binning causes a vertically compressed image with doubled brightness 2x1 Figure 39 Horizontal binning causes horizontally compressed image with doubled brightness Figure 40 Bidirectional binning 2 2 causes both zontally and vertically compressed image with quadruple brightness ooo O 40 4 1 8 Brightness Correction Binning Correction The aggregation of charge carriers may cause an overload To prevent this binning cor rection was introduced Here three binning modes need to be considered separately Binninig Realization 1x2 1x2 binning is performed within the sensor binning correction also takes place here A possible overload is prevented by halving the exposure time 2x1 2x1 binning takes place within the FPGA of the camera The binning cor rection is realized by aggregating the charge quantities and then halving this sum 2x2 2x2 binning is a combination of the above versions Total charge quantity of the Binning 2x2 4 aggregated pixels 4 Figure 41 Aggregation of charge carriers from four pixels Charge quantity Super pixel in bidirectional binning 4 1 9 Fast Mode The Fast Mode is employed in 90 of all cases Her
48. gure 74 DHCP Acknowledge ment unicast 5 6 3 LLA LLA Link Local Address refers to a local IP range from 169 254 0 1 to 169 254 254 254 FILA and is used for the automated assignment of an IP address to a device when no other Please ensure operation method for IP assignment is available of the PC within the same subnet as the camera The IP address is determined by the host using a pseudo random number generator which operates in the IP range mentioned above Once an address is chosen this is sent together with an ARP Address Resolution Pro tocol query to the network to to check if it already exists Depending on the response the IP address will be assigned to the device if not existing or the process is repeated This method may take some time the GigE Vision standard stipulates that establishing connection in the LLA should not take longer than 40 seconds in the worst case it can take up to several minutes 5 6 4 Force IP Inadvertent faulty operation may resultin connection errors between the PC and the camera In this case Force IP may be the last resort The Force IP mechanism sends an IP ad dress and a subnet mask to the MAC address of the camera These settings are sent without verification and are adapted immediately by the client They remain valid until the camera is de energized In the GigE Vision standard this feature is defined as Static IP 65 Figure 75 gt Data stream without d
49. h three sets of parameters A B and C from the previous example The frame counter z is set to 2 This means the camera records two pictures after an incoming trigger signal 4 7 6 Capability Characteristics of Baumer GAPI Sequencer Module up to 256 sets of parameters up to 4 billion loop passes up to 4 billion repetitions of sets of parameters up to 4 billion images per trigger event free running mode without initial trigger lt Figure 60 Example for a fully auto mated sequencer 4 Figure 61 Example for a half auto mated sequencer 55 56 62 Example of a double shutter 4 7 7 Double Shutter This feature offers the possibility of capturing two images in a very short interval Depend ing on the application this is performed in conjunction with a flash unit Thereby the first exposure time is arbitrary and accompanied by the first flash The second expo sure time must be equal to or longer than the readout time of the sensor Thus the pixels of the sensor are recepitve again shortly after the first exposure In order to realize the second short exposure time without an overrun of the sensor a second short flash must be employed and any subsequent extraneous light prevented Trigger qst 2nd Flash ud qst 2nd Exposure Prevent 5 Readout On Baumer TXG cameras this feature is realized within the sequencer In order to generate this sequ
50. he respective data sheet Measured at temperature measurement point Housing temperature is limited by sensor specifications 32 3 Software 3 1 Baumer GAPI Baumer GAPI stands for Baumer Generic Application Programming Interface With this Baumer provides an interface for optimal integration and control of Baumer Gigabit Ethernet GigE and Baumer FireWire IEEE1394 cameras This software interface allows changing to other camera models or interfaces It also al lows the simultaneous operation of Baumer cameras with Gigabit Ethernet and FireWire interfaces This GAPI supports both Windows XP and Vista and Linux from Kernel 2 6 x operat ing systems in 32 bit as well as in 64 bit It provides interfaces to several programming languages such as and the NET Framework on Windows as well as Mono on Linux operating systems which offers the use of other languages such as e g C or VB NET 3 2 3 Party Software Strict compliance with Gen lt I gt Cam standard allows Baumer to offer the use of 3 Party Software for operation with cameras of the TXG family You can find a current listing of 39 Party Software which was tested successfully in com bination with Baumer cameras at http www baumergroup com cameras 4 Camera 4 1 Image Acquisition 4 1 1 Image Format A digital camera usually delivers image data in at least one format the native
51. ins M8 8 pins 2 4 3 1 1 3 4 1 brown Power Vec 1 brown TriglN 1 white Out 3 blue GND 2 white TriglN 2 brown In2 4 black NC 3 blue Flash 3 green In 1 4 U 4 yellow IO GND 9 green IO Power Vec 6 Out 1 7 blue 2 8 red In 3 22 2 3 3 LEDs of Camera Types Camera Type 2 LEDs Standard 7 E E7 a m3 2 3 3 1 LED Signaling 2 LEDs Signal green yellow green green flash yellow yellow red flash 3 LEDs Signal green yellow green green flash 3 red 2 4 Acquisition Modes and Timings 3 LEDs 4 Figure 25 LED positions Baumer TXG cameras Meaning Power on Readout active Link active Receiving Transmitting Receiving and Transmitting Meaning Power on Readout active Link active Receiving Transmitting The image acquisition consists of two seperate successively processed components Exposing the pixels on the photosensitive surface of the sensor is only the first part of the image acquisition After completion of the first step the pixels are read out Thereby the exposure time t ed for the readout t E readout can be adjusted by the user however the time need is given by the particular sensor and image format Baumer cameras can be operated with three modes the Free Running Mode the Fixed Frame Rate Mode and the Trigger Mode 29
52. lution for power image data and parameterization External trigger possible Figure 3 gt Front and rear view of a Baumer TXG camera with Power over Ether net PoE Sensor ra Camera Type Resolution Frames max fps Monochrome Color TXGO3 P TXGO3c P 1 3 656 494 656 490 90 TXG04 P 1 2 656 x 494 56 TXG06 P TXG06c P 1 2 776 x 582 776 x578 64 TXG08 P TXGO8c P 1 3 1032 776 1032 772 28 TXG13 P TXG13c P 1 2 1392 x 1040 1384 x 1036 20 TXG14 P TXG14c P 2 3 1392 x 1040 1384 x 1036 20 TXG14f P TXG14cf P 2 3 1392 x 1040 1384 x 1036 30 TXG20 P TXG20c P 1 1 8 1624 x 1236 1624 x 1232 16 TXG50 P TXG50c P 2 3 2448 x 2050 2448 x 2050 15 Dimensions Photosensitive surface of the Sensor 36 Figure4 Dimensions of a Baumer TXG camera with PoE 1 3 Standard Cameras with 3 In and 3 Outputs Freely configurable inputs and outputs Each with 3 inputs and outputs PLC conform signal levels lt Figure 5 SS by Front and rear view of a Baumer TXG cam era with additional 105 m3 Sensor Resolution Frames nize max fps Monochrome Color TXG03m3 TXGO3cm3 1 3 656 494 656 490 90 TXG04m3 1 2 656 x 494 56 TXG06m3 TXG06cm3 1 2 776 x 582 776 x 578 64 TXG08m3 TXG08cm3 13 1032 x 776 1032 x 772 28 TXG13m3 TXG13cm3 1 2 1392 x 1040 1384 x 1036 20 TXG14m3 TXG14cm3 2 3 13
53. meter sets of parameters The mentioned sets of parameter include the fol lowing The start of the sequencer can be realized directly free running or via an external event trigger Exposure time The additional frame counter z is used to create a half automated sequencer It is ab Gain factor solutely independent from the other three counters and used to determine the number of frames per external trigger event The following timeline displays the temporal course of a sequence with n 5 repetitions per set of parameters o 3 sets of parameters A B and C m 1 sequence and 2 2 frames per trigger A B C m 1 4 Figure 59 Timeline for a single 2 2 2 2 2 2 2 2 2 2 z 2 z 2 6 6 06 53 4 7 2 Baumer Optronic Sequencer in Camera xml file The Baumer Optronic seqencer is described in the category BOSequencer by the follow ing features Category Name BOSequencer NameSpace Custom gt lt pFeature gt BoSequencerknable lt pFeature gt Enable Disable lt pFeature gt BoSequencerStart lt pFeature gt Start Stop lt pFeature gt BoSequencerRunOnce lt pFeature gt Run Once Cycle lt pFeature gt BoSequencerFreeRun lt pFeature gt Free Running Trigger lt pFeature gt BoSequencerSetSelector lt pFeature gt Configure set of parameters lt pFeature gt BoSequencerLoops lt pFeature gt Number of sequences m lt pFeature gt BoSequencerSetRepeats lt pFeatur
54. mms for a non ad justed image and for an image after one push white balance 4 4 Analog Controls 4 4 1 Offset Black Level On Baumer cameras the offset or black level is adjustable from 0 to 16 LSB relating to 8 bit Camera Type Step Size 1 LSB Relating to Monochrome TXG02 12 bit TXGO3 12 bit TXG04 14 bit TXGO4h 14 bit TXGO6 12 bit TXG08 12 bit TXG12 14 bit TXG13 12 bit TXG14 12 bit TXG14f 14 bit TXG20 12 bit TXG50 14 bit Color TXG02c 14 bit TXGO3C 12 bit 04 14 TXGO06c 12 bit TXGO8C 12 bit TXG12c 14 bit TXG13c 12 bit TXG14c 12 bit TXG20c 12 bit TXG50c 14 bit 43 44 Figure 45 gt Distinction of hot and cold pixels within the recorded image Figure 46 v Charge quantity of hot and cold pixels com pared with normal pixels 4 4 2 Gain In industrial environments motion blur is unacceptable Due to this fact exposure times are limited However this causes low output signals from the camera and results in dark images To solve this issue the signals can be amplified by a user defined gain factor within the camera This gain factor is adjustable from 1 to 10 Increasing the gain factor causes an increase of image noise 4 5 Pixel Correction 4 5 1 General information A certain probability for abnormal pixels the so called defect pixels applies to the sen sors of all manufacturers The charge quantity on these pixels is not linear dependent on the expo
55. mron Tamron Tamron Tamron Tamron Tamron Tamron Model C60607 H612A C31634KP C1614 M C32500KP C2514 M KP C33500KP C3516 M KP C35001KP C5028 M KP C37500KP C7528 M KP C31630KP 1614 KP C30405KP C418DX KP C30811KP C815B KP C61232KP H1214 M KP C62500 H2520 UVM KP C61215KP H1212B KP C91608KG H614 M KP MeVis C 12mm 1 8 MeVis C 16mm 1 6 MeVis C 25mm 1 6 MeVis C 35mm 1 6 MeVis C 50mm 1 8 CNG 1 8 4 8 CNG 1 4 8 CNG 1 4 12 XNP 1 4 17 XNP 1 4 23 XNP 1 9 35 CNG 1 9 10 CNG 1 8 16 XNP 2 0 28 XNP 2 8 50 219HB 25HB 17HF 20HC 35HB 21HC 1A1HB Calculation without spacer ring No guarantee for correctness Refraction of light at the cover glass of the tube may cause a slight dislocation of the focus level 5 1 m 0 0 0 O B 0 O 0 0 0 O 0 O 0 0 a B 8 B m 8 Tube Length mm 61 8 0 B O0 E E E UO NM NM Oo E NM E E 70 8 O E E E E E E E E E O E M HM NM NM HN Oo M E E E O 9 E E E E EEEO _ NH NH BH BH NH 8 1 4 3 4 Cameras with Sensor Size of 1 1 8 Manufacturer Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Pentax Penta
56. nous mode For the employment of this mode the cameras are equipped with an internal clock genera tor that creates trigger pulses From a certain frame rate skipping internal triggers is unavoidable In general this de pends on the combination of adjusted frame rate exposure and readout times Non overlapped means the same as sequential 2 4 3 Trigger Mode After a specified external event trigger has occurred image acquisition is started De pending on the interval of triggers used the camera operates non overlapped or over lapped in this mode With regard to timings in the trigger mode the following basic formulas need to be taken into consideration Case Formula 1 learliestpossibletrigger n 1 treadout n j texposure n 1 lexposure leadout 2 t t t t notready n 1 exposure n readout n 1 3 Learliestpossibletrigger n 1 lexposure n lexposure leadout 4 tnotready n 1 lexposure n 2 4 3 1 Overlapped Operation texposure n 2 texposure n 1 In overlapped operation attention should be paid to the time interval where the camera is unable to process occuring trigger signals t m This interval is situated between two exposures When this process time t has elapsed the camera is able to react to external events again notready After torea has elapsed the timing of E depends on the readout time of the current im age and exposure time of
57. odels standard and m3 have a different number of in and outputs there are two kinds of IO matrixes for the input side the output side state selection software side 0 Trigger 2 Input Line 0 Figure 48 gt IO matrix of the Baumer TXG standard Jd cameras on input side lO Matrix 46 state selection side AE _____ Input Line 2 Input 1 N Input Line 3 CC Input 2 5 4 6 1 2 Configurable Outputs With this feature Baumer offers the possibility of wiring the output connectors to internal signals which are controlled on the software side Hereby on TXG standard cameras the output connector can be wired to one of pro vided internal signal ExposureActive Flash UserO TriggerReady TriggerOver lapped TriggerSkipped ReadoutActive and Timer1 Beside this the output can be disabled On TXGm3 cameras the possible internal signals are ExposureActive Flash User 0 User 1 TriggerReady TriggerOverlapped TriggerSkipped and ReadoutActive Also here the outputs can be disabled state selection signal selection software side software side Pd PE d oe d wee S c geet O Li 1 gt Line 1 ___ MM sy X VN N 3 IO Matrix 4 Figure 49 IO matrix of the Baumer TXGm3 on in put side 4 Figure 50 lO matrix of the Baum
58. osure this will be aborted Special Case Asynchronous Reset The asynchronous reset represents a special case of stopping the current acquisition Thereby exposure is aborted immediately Thus the current image is not read out and the image is upcasted This feature was introduced to accelerate the changing of image parameters 6 2 Start Stop Interface Without starting the interface transmission of image data from the camera to the PC will not proceed If the image acquisition is started befor the interface is activated the recorded images are lost If the interface is stopped during a transmission this is aborted immediately 6 3 Pause Resume Interface Pausing while the interface is operational results in an interim storage of the recorded images within the internal buffer of the camera After resuming the interface the buffered image data will be transferred to the PC 6 4 Acquisition Modes In general three acquisition modes are available for the cameras in the Baumer TXG series 6 4 1 Free Running Free running means the camera records images continuously without external events 6 4 2 Trigger The basic idea behind the trigger mode is the synchronization of cameras with machine cycles Trigger mode means that image recording is not continuous but triggered by external events This feature is described in chapter 4 6 Process Interface 6 4 3 Sequencer A sequencer is used for the automated control of s
59. quest is triggered and the lost packets will be resent 4 Figure 77 Resending of lost pack ets at the end of the data stream In our example packets from no 3 to no 5 are lost This fault is detected after the predefined time has elapsed and the resend request A is triggered The camera then resends packets no 3 to no 5 B to complete the image transfer 5 7 4 Termination Conditions The resend mechanism will continue until all packets have reached the pc the maximum of resend repetitions is reached the resend timeout has occured or the camera returns an error 67 5 8 The asynchronous message channel is described in the GigE Vision standard and fers the possibility of event signaling There is a timestamp 64 bits for each announced event which contains the accurate time the event occurred Each event can be activated and deactivated separately 5 8 1 Event Generation Event Description Gen lt i gt Cam ExposureStart Exposure started ExposureEnd Exposure ended FrameStart Acquisition of a frame started FrameEnd Acquisition of a frame ended LineORising Rising edge detected on IO Line 0 LineOFalling Falling edge detected on 0 0 Line1Rising Rising edge detected on 0 1 Line1Falling Falling edge detected on 1 Line2Rising Rising edge detected on IO Line 2 Line2Falling Falling edge detected on IO Line 2 Line3Rising Rising edge detected on
60. rded image is stored within the camera and its transmission starts with a predefined delay complete images can be transmitted to the PC at once The following figure should serve as an example For the image processing three cameras with different sensor resolutions are employed for example camera 1 TXG13 camera 2 TXG06 camera 3 TXGO3 Due to process related circumstances the image acquisitions of all cameras end at the same time Now the cameras are not trying to transmit their images simultaniously but according to the specified transmission delays subsequently Thereby the first camera starts the transmission immediately with a transmission delay O 5 4 1 Time Saving in Multi Camera Operation As previously stated the transmission delay feature was especially designed for multi camera operation with employment of different camera models Just here an significant acceleration of the image transmission can be achieved For the above mentioned example the employment of the transmission delay feature re sults in a time saving compared to the approach of using the inter paket gap of approx 45 applied to the transmission of all three images 5 4 2 Configuration Example For the three employed cameras the following data are known Camera Sensor Pixel Format Resulting Readout Exposure Transfer Model Resolution Pixel Depth Data Volume Time Time Time GigE Pixel bit bit msec msec mse
61. sible to group cameras so that not all attached cameras respond to a broadcast action command Such an action command contains a Device Key for authorization of the action on this device an Action ID for identification of the action signal a Group Key for triggering actions on separated groups of devices a Group Mask for extension of the range of separate device groups 5 9 1 Example Triggering Multiple Cameras The figure below displays three cameras which are triggered synchronously by a soft ware application lt Figure 78 Triggering of multiple cameras via trigger over Ethernet ToE Another application of action command is that a secondary application or PC or one of the attached cameras can actuate the trigger 69 Asynchronous Reset For further information on the timings of this feature please see the respective data sheets 70 6 Start Stop Behaviour 6 1 Start Stop Acquisition Camera Once the image acquisition is started three steps are processed within the camera Determination of the current set of image parameters Exposure of the sensor Readout of the sensor Afterwards a repetition of this process takes place until the camera is stopped Stopping the acquisition means that the process mentioned above is aborted If the stop signal occurs within a readout the current readout will be finished before stopping the camera If the stop signal arrives within an exp
62. successively the camera operates non overlapped exposure tede Trigger sos liriggerdelay texposure n 1 Exposure ae A exposure time frame n effective B image parameters frame n effective C exposure time Readout frame n 1 effective D image parameters frame n 1 effective E earliest possible trigger thotready a TriggerReady t readout n 1 Image parameters Offset tiash n 1 Gain Moos Flash Scan lnashdelay 28 2 4 4 Advanced Timings for GigE Vision Message Channel The following charts show some timings for the event signaling by the asynchronous message channel Vendor specific events like TriggerReady TriggerSkipped Trig gerOverlapped and ReadoutActive are explained Notice For further information on the message channel mentioned above please see section 5 6 2 4 4 1 TriggerReady This event signals whether the camera is able to process incoming trigger signals or not Trigger t exposure n lt P t exposure n 1 Exposure t t readout n readout n 1 Readout thotready TriggerReady 2 4 4 2 TriggerSkipped If the camera is unable to process incoming trigger signals which means the camera should be triggered within the interval torea these triggers are skipped On Baumer TXG cameras the user will be informed about this fact by means of the e
63. sure time The occurrence of these defect pixels is unavoidable and intrinsic to the manufacturing and aging process of the sensors The operation of the camera is not affected by these pixels They only appear as brighter warm pixel or darker cold pixel spot in the recorded image Warm Pixel 208 8 8 2 22122 Cold Pixel Charge quantity Charge quantity Warm Pixel 3 Normal Pixel Charge quantity 2255 TN Cold Pixel lt MAINA MANIA NAN APA Y Y Mj Y AN 4 5 2 Correction Algorithm On monochrome cameras of the Baumer TXG series the problem of defect pixels is solved as follows Possible defect pixels are identified during the production process of the camera The coordinates of these pixels are stored in the factory settings of the camera see 4 5 3 Defectpixellist Once the sensor readout is completed correction takes place Before any other processing the values of the two neighboring pixels on the left and the right side of the defect pixel will be read out hen the average value of these 4 pixels is determined Finally the value of the defect pixel is substituted by the previously determined average value Defect Pixel Average Value Corrected Pixel 4 Figure 47 Schematic diagram of the Baumer pixel correction 4 5 3 Defectpixellist As stated previously this list is d
64. table below Photosensitive surface of the sensor 20 Figure 24 Sensor accuracy of Baumer TXG I7 cameras Z optical path C mount 17 526 mm Camera EO V5 yp ta tz Type mm mm mm mm mm TXGO03 I7 0 07 0 07 0 08 0 08 0 75 0 025 06 17 0 07 0 07 0 08 0 08 0 75 0 025 TXG08 17 0 07 0 07 0 08 0 08 0 75 0 025 13 17 0 05 0 05 0 06 0 06 0 75 0 025 14 17 0 1 0 1 0 1 0 1 0 85 0 025 TXG20 I7 0 05 0 05 0 06 0 06 0 75 0 025 TXG50 I7 0 05 0 05 0 06 0 06 0 75 0 025 2 3 Process and Data Interfaces 2 3 1 Interfaces of Camera Types Camera 8P8C 8P8C Type mod jack mod jack LED Standard PoE m I7 o o E7 m3 2 3 2 Pin Assignment M8 3 pins BH E E 2 3 2 1 Gigabit Ethernet Interface COND FP WN 8P8C mod jack CON OO FBP WYN gt 1 1 2 MX3 MX3 MX2 4 4 CON DO FP WN gt M8 M8 4 pins 8 pins EI a m B 8P8C mod jack with LED 1 1 2 MX3 MX3 MX2 4 MXA white brown green yellow grey pink blue red negative positive V negative positive Mo 4 positive negative V positive negative Vor MX3 4 4 1 2 MX1 MX3 MX2 M12 8 pins Oo M NM 21 2 3 2 2 Power Supply and Digital IOs 8 3 pins 8 4 p
65. the next image be determined by the formulas mentioned above no 1 or 3 as is the case In case of identical exposure times t tion remains the same from acquisition to acquisi notready Trigger liriggerdelay t readout n 1 liash n lash n 1 a lnashdelay Flash A exposure time frame n effective B image parameters frame n effective C exposure time frame n 1 effective D image parameters frame n 1 effective E earliest possible trigger Image parameters Offset Gain Mode Partial Scan 25 2 4 3 2 Overlapped Operation texposure n 2 gt texposure n 1 If exposure time t is increased form current acquisition to the next acquisi tion the time the camera is unable to process occuring trigger signals t is scaled down notready This can be simulated with the formulas mentioned above no 2 or 4 as is the case Trigger texposure n mem 2 exposure frame effective B image parameters frame n effective C exposure time Readout frame n 1 effective D image parameters frame n 1 effective E earliest possible trigger TriggerReady t readout n 1 Image parameters Offset tiash n 1 Gain Flash Partial Scan ae lnashdelay
66. tition BoSequencerSetRepeats f Adjustment of loop counter via BoSequencerLoops g Starting sequencer by BoSequencerStart To indicate several sets of parameters steps b and c should be repeated Here it is important to number the selectors continously and leave no gaps in the numera tion The last configured set of parameters will also be last in the sequence 54 4 7 5 Examples 4 7 5 1 Sequencer without Machine Cycle The figure above shows an example for a fully automated sequencer with three sets of parameters A B and C Here the repeat counter n is set to 5 the loop counter m has a value of 2 When the sequencer is started with or without an external event the camera will record 5 images successively in each case using the sets of parameters and which con stitutes a sequence After that the sequence is started once again followed by a stop of the sequencer in this case the parameters are maintained 4 7 5 2 Sequencer Controlled by Machine Steps trigger E o qp Trigger The figure above shows an example for a half automated sequencer wit
67. vent Trigger Skipped texposure n texposure n 1 Exposure t t readout n readout n 1 Readout thotready TriggerReady TriggerSkipped fo 29 30 2 4 4 3 TriggerOverlapped This signal is active long as the sensor is exposed and read out at the same time which means the camera Is operated overlapped Trigger TL JL t t exposure n 1 a gt t t readout n readout n 1 Readout Trigger Overlapped Once a valid trigger signal occures not within a readout the TriggerOverlapped signal changes to state low 2 4 4 4 ReadoutActive While the sensor is read out the camera signals this by means of Trigger Ji Jib 2 texposure n texposure n 1 t t readout n readout n 1 Readout Readout Active 2 5 Environmental Requirements 2 5 1 Temperature and Humidity Range Temperature 10 C 70 C 14 F 158 5 C 50 C 41 F 122 50 122 Storage temperature Operating temperature Housing temperature 7 For environmental temperatures ranging from value A to value B please pay atten tion to the max housing temperature The values are listed in the table below Camera Type Value A Value B Monochrome TXG02 26 78 9 F 50 122 F TXG03 40 C 104 F C 122 TXG04 C F102
68. x Linos Linos Linos Linos Linos Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Schneider Kreuznach Tamron Tamron Tamron Tamron Tamron Tamron Tamron Model C60607 H612A C31634KP C1614 M C32500KP C2514 M KP C33500KP C3516 M KP C35001KP C5028 M KP C37500KP C7528 M KP C31630KP C1614A KP C30405KP C418DX KP C30811KP C815B KP C61232KP H1214 M KP C62500 H2520 UVM KP C61215KP H1212B KP C91608KG H614 M KP MeVis C 12mm 1 8 MeVis C 16mm 1 6 MeVis C 25mm 1 6 MeVis C 35mm 1 6 MeVis C 50mm 1 8 CNG 1 8 4 8 CNG 1 4 8 CNG 1 4 12 XNP 1 4 17 XNP 1 4 23 XNP 1 9 35 CNG 1 9 10 CNG 1 8 16 XNP 2 0 28 XNP 2 8 50 219HB 25HB 17HF 20HC 35HB 21HC 1A1HB Calculation without spacer ring No guarantee for correctness Refraction of light at the cover glass of the tube may cause a slight dislocation of the focus level 5 1 0 0 0 E 0 0 0 0 0 m m D 8 Tube Length mm 61 8 Oo E NM E E J NM NM oO O O ma a 70 8 Oo E NM E E J O BM NM BM O M NM NM HN 9 E NH E E
69. yte which is specified in the network standard However so called Jumboframes are on the advance as Gigabit Ethernet continues to spread Jumboframes merely characterizes a packet size exceeding 1500 Bytes Baumer TXG cameras can handle a MTU of up to 65535 Bytes 5 3 Inter Packet Gap To achieve optimal results in image transfer several Ethernet specific factors need to be considered when using Baumer TXG cameras Upon starting the image transfer of a camera the data packets are transferred at maxi mum transfer speed 1 Gbit sec In accordance with the network standard Baumer em ploys a minimal separation of 12 Bytes between two packets This separation is called inter packet gap IPG In addition to the minimal IPG the GigE Vision standard stipu lates that the IPG be scalable user defined 5 3 1 Example 1 Camera Operation Minimal IPG Setting the IPG to minimum means every image is transfered at maximum speed Even by using a frame rate of 1 fps this results in full load on the network Such bursts can lead to an overload of several network components and a loss of packets This can occur especially when using several cameras In the case of two cameras sending images at the same time this would theoretically oc Figure 64 cur at a transfer rate of 2 Gbits sec The switch has to buffer this data and transfer it at a Operation of two camer speed of 1 Gbit sec afterwards Depending on the internal

Baumer TXG User's Guide for Gigabit Ethernet

Contents

Download Pdf Manuals

Related Search

Related Contents