Industrial CCD Cameras
Contents
1. 0 3 0 0 2 Vi Pin 9 GP_out O General purpose output open drain 24 0 Vv Pin 10 Stobe_out O Flash control Open drain 24 0 Vv Pin 11 Trigger_in Start of exposure optocoupler signal 33 12 0 Vv Pin 12 Trigger_in ditto optocoupler ground Please note All specifications are subject to change without notice 1 max 0 2 A ID for open drain MOSFET Determined by the power supply of the FireWire bus This value may vary considerably 1 0 pin legend G External Ground Input O Output P Power supply Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 11 Digital I Os GigE cameras Hirose connector As already mentioned in the introduction there are two ways to access the cameras digital I Os using an internal pin header or an external Hirose connector Please find its pinout in the table below and the position of these pins in the drawing on the right hand side Min Typ Max Unit Pin 1 GigE Power Supply P a ee PONS 12 0 12 0 24 0 V Pin 2 GND G External ground Pin 3 SPI_MISO Reserved please do not use Pin 4 SPI_MISO Reserved please do not use Pin 5 SPI_CS Reserved please do not use Pin 6 SPI_CLK Reserved please do not use Pin 7 GND G External ground 7 General purpose input 0 6 24 0 V2. The Imaging Source Taiwan Co Ltd All rights reserved Reprint also in parts only allowed with permission of 6F 1 No 230 Sec 3 Ba De Road Taipei City 10555 Taiwan The Imaging Source Europe GmbH Phone 886 2 2577 1228 All weights and dimensions are approximate Unless otherwise specified the lenses shown in the www theimagingsource com context of cameras are not shipped with these cameras Industrial Cameras Users Manual m 15
3. this variable 0 in our case to the digital output Private Sub Form Load Dim VCDProp As VCDSimpleProperty ICImagingControll Device DMK 21BF04 VCDProp GetSimplePropertyContainer ICImagingControll VCDPropertyItems VCDProp RangeValue VCDElement GPIOOut 0 VCDProp OnePush VCDElement _GPIOWrite End Sub Industrial CCD Cameras Using the trigger and the digital I Os gt BSIMAGINGSOURCE M TECHNOLOGY BASED ON STANDARDS IMAGINGSOU RCE All product and company names in this document may be trademarks and tradenames of their B respective owners and are hereby acknowledged TECHNOLOGY BASED ON STANDARDS The Imaging Source Europe GmbH cannot and does not take any responsibility or liability for any information contained in this document The source code presented in this document is exclusively Headquarters The Imaging Source Europe GmbH used for didactic purposes The Imaging Source does not assume any kind of warranty expressed or Sommerstrasse 36 D 28215 Bremen Germany implied resulting from the use of the content of this document or the source code Phone 49 421 33591 0 The Imaging Source Company reserves the right to make changes in specifications function or design North amp South America The Imaging Source LLC at any time and without prior notice 6926 Shannon Willow Rd S 400 Charlotte NC 28226 USA Last update July 2009 Phone 1 704 370 0110 Copyright 2008 The Imaging Source Europe GmbH Asia Pacific
4. B IMAGINGSOU RCE TECHNOLOGY BASED ON STANDARDS Industrial CCD Cameras Using the trigger and the digital I Os Users Manual Content aarete UE o E EE 3 ETa E AES 4 Tigger TEMES TSS and MING derisinin Ei 5 Digital VOS US BCA E a Sie EEEREN 6 Digitalo FENIE cI 9 oraraa AAAA E 9 Digit l OS GiGE Myce EEN EEEE iNteR cern aptsanSESMESOIN 12 Programming examples with IC Imaging CONtFON sssssussssssusssessusssssssssssussssssusssesiussssssiusssssusssssunssssssasseee 13 Industrial CCD Cameras Using the trigger and the digital I Os gt PS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 2 Introduction In addition to a number of other applications The Imaging Source USB FireWire and GigE CCD cameras are also used for industrial purposes Most of these applications require a trigger input and general purpose digital I Os These features are provided by all USB cameras whose product code contains a BU e g DMK 21BU04 DFK 41BU02 H etc all FireWire cameras whose product code contains a BF e g DMK 31BF03 Z DBK 41BF02 etc and all GigE cameras whose product code contains a BG e g DMK 21BG04 DBK 41 BG02 H etc The trigger input of all these cameras is available via a BNC connector and thus very easy to access The access of the digital Os depends very much on the application Therefore basically all USB and FireWire cameras offer a pin header that can be accessed through a hole in the cameras backplane P
5. MAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 8 Digital I Os FireWire cameras Pin header As already mentioned in the introduction there are two ways to access the camera s digital I Os using an internal pin header or an external Hirose connector To access the internal pin header please open the cameras backplane You will find connectors as shown in the drawings on the right hand side Please assemble a cable that fits your application The pin header consists of 2x8 pins with a pitch of 2 00 x 2 00 mm Please find its pinout in the table below O xJooo00000 Sloo000000 O O FireWire Tigger in I O PCB of The Imaging Source FireWire CCD cameras Industrial CCD Cameras Using the trigger and the digital I Os gt PS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS Min Typ Max Unit BNC Trigger_in Start of exposure optocoupler 33 12 0 Vv Trigger_in ditto signal 33 12 0 V Trigger_in ditto ground FW_PWR Caution directly connected to the power supply of the FireWire bus 8 0 12 0 30 0 Vv FW_PWR pin 2 of the FireWire connector do not use for future release 3 Strobe_out Flash control open drain 24 0 V GP_out General purpose output open drain 24 0 Vv g General purpose input 06 24 0 Vu T GP_in Va High Level Input Voltage V Low Level Input Voltage 03 0 02 Vy T fe External ground External ground For future rel
6. access the internal pin header please open the cameras backplane You will find connectors as shown in the drawings on the right hand side Please assemble a cable that fits your application The pin header consists of 2x8 pins with a pitch of 2 00 x 2 00 mm Please find its pinout in the table below 00000000 Sloo000000 O I O PCB of The Imaging Source USB CCD cameras Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS Min Typ Max Unit BNC Trigger_in Start of exposure optocoupler 33 12 0 Vv Trigger_in ditto signal 3 3 12 0 V Trigger_in ditto ground do not use For future release z do not use For future release 5 do not use for future release Strobe_out Flash control open drain 24 0 V GP_out General purpose output open drain 24 0 Vv g General purpose input 06 24 0 Vu D GP_in Va High Level Input Voltage T V Low Level Input Voltage 0 3 0 0 2 Me a Q External ground External ground For future release Z B For future release a z z For future release 2 z z For future release a gt External ground s z External ground x Please note All specifications are subject to change without notice 1 max 0 2 A ID for open drain MOSFET 1 0 pin legend G External Gr
7. ease Z B For future release a z z For future release 2 z z For future release a gt External ground 2 s z External ground x Please note All specifications are subject to change without notice 1 max 0 2 A ID for open drain MOSFET Determined by the power supply of the FireWire bus This value may vary considerably 1 0 pin legend G External Ground Input O Output P Power supply Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 10 Hirose connector As already mentioned in the introduction there are two ways to access the cameras digital I Os using an internal pin header or an external Hirose connector Please find its pinout in the table below and the position of these pins in the drawing on the right hand side Min Typ Max Unit Caution directly connected to the power Pin 1 FW PWR P supply of the FireWire bus 8 0 12 0 30 0 V pin 2 of the FireWire connector Pin 2 GND G External ground 5 gt Pin 3 SPI_MISO Reserved please do not use Pin 4 SPI_MISO Reserved please do not use Pin 5 SPI_CS Reserved please do not use Pin 6 SPI_CLK Reserved please do not use Pin 7 GND G External ground General purpose input 0 6 24 0 Vig Pin 8 GP_in V High Level Input Voltage V Low Level Input Voltage
8. ease find these parameters in the Device Properties dialog Device gt Properties So ct ch ch e LR d RE fma Jl v4 Drs gt Input fna v rrs is o0 z t e s ra Reset Properties Drive Control Noise reduction Rotation DeBayering ROI Activating External Trigger You are trying to activate the external trigger for a device with one ore more properties set to automation On many devices the external trigger does not work in that case or the quality of the grabbed images may suffer How do you wish to proceed G all property automations and activate ae external trigger i the property automations enabled and activate the external trigger anyway Shows the device properties dialog Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 4 Trigger input hardware and timing The trigger input of The Imaging Source USB FireWire and GigE CCD cameras is opto coupled It permits positive trigger pulses with any amplitude between 3 3 and 12 V 24 V using a series resistance of 1 kOhm If you intend to apply higher pulses please make sure that the current lies between the limits of 3 to 12 mA o iv 2av R 820 Ohm 7 R 820 Ohm z E e H E E zy o ra J o L The Imaging Sou
9. i Pin 8 GP_in m High Level Input Voltage V Low Level Input Voltage 03 0 0 2 Vi Pin 9 GP_out O General purpose output open drain 24 0 Vv Pin 10 Stobe_out O Flash control Open drain 24 0 V Pin 11 Trigger_in Start of exposure optocoupler signal 3 3 12 0 Vv Pin 12 Trigger_in ditto optocoupler ground Please note All specifications are subject to change without notice 1 max 0 2 A ID for open drain MOSFET Determined by the power supply of the cameras power suppy This value may vary considerably 1 0 pin legend G External Ground Input O Output P Power supply Industrial CCD Cameras Using the trigger and the digital I Os gt PS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 12 Programming examples with IC Imaging Control All The Imaging Source cameras are shipped with the SDK IC Imaging Control IC Imaging Control removes a lot of programming effort since it offers many ready to use basic procedures Below are brief examples in Visual Basic to give you an idea of how to use IC Imaging Control to control the trigger and the digital I Os You can learn more about IC Imaging Control and download sample source code at www imagingcontrol com Additionally our support department support imagingcontrol com has some more detailed programming examples available for you Using the trigger The program begins by assigning the video Device in this case the FireWire came
10. lease note GigE cameras do not provide this pin header For all users who prefer to access the digital I Os using an external connector The Imaging Source offers cameras with a 12 pin Hirose connector on the camera s backplane The product code of these cameras ends with the suffix H e g DMK 21BU04 H DFK 41BF02 H DBK 31BG03 H etc This manual describes the use of all The Imaging Source USB FireWire and GigE CCD cameras that provide an external trigger in addition to digital I Os Industrial CCD Cameras Using the trigger and the digital I Os gt PS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS Getting started The following steps describe the use of the most commonly used digital input the trigger input Setup the camera as described in the Getting Started document that accompanies the camera Install the software IC Capture as described in the Getting Started document Make sure that the camera works correctly with IC Capture e Connect a trigger source that creates a positive pulse to the cameras BNC connector as shown at the right hand side The height of the pulse may lie between 3 3 and 12 V Enable the trigger mode by clicking Device gt Properties gt Device gt Enable please see the images below If you see the dialog Activation External Trigger please click Disable all property automations Then please set all camera parameters according to the requirements of your application Pl
11. ound Input O Output P Power supply Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 7 Hirose connector As already mentioned in the introduction there are two ways to access the cameras digital I Os using an internal pin header or an external Hirose connector Please find its pinout in the table below and the position of these pins in the drawing on the right hand side Min Typ Max Unit Pin 1 do not use Reserved please do not use Pin 2 GND G External ground Pin 3 SPI_MISO Reserved please do not use Pin 4 SPI_MISO Reserved please do not use Pin 5 SPIES Reserved please do not use Pin 6 SPI_CLK Reserved please do not use Pin 7 GND G External ground General purpose input 0 6 24 0 Vu Pin 8 GP_in m High Level Input Voltage V Low Level Input Voltage 0 3 0 0 2 Vi Pin 9 GP_out O General purpose output open drain 24 0 Vv Pin 10 Stobe_out O Flash control Open drain 24 0 V Pin 11 Trigger_in Start of exposure optocoupler signal 3 3 12 0 V Pin 12 Trigger_in ditto optocoupler ground Please note All specifications are subject to change without notice 1 max 0 2 A ID for open drain MOSFET 1 0 pin legend G External Ground Input O Output P Power supply Industrial CCD Cameras Using the trigger and the digital I Os gt JS I
12. ra DMK 21BF04 defines a VideoFormat and sets the camera s operation mode to DeviceTrigger After the command LiveStart the camera is ready to shoot the camera now waits for a trigger pulse Memo rySnapImage instructs IC Imaging Control to put the next image which has been captured due to the trigger pulse into a buffer Memory for further processing Take as an example MemorySavelmage which saves the content of this buffer to Triggered bmp Private Sub Form _Load CImagingControll Device DMK 21BF04 CImagingControll VideoFormat Y800 640x480 CImagingControll DeviceTrigger True CImagingControll LiveStart CImagingControll MemorySnapImage Do something with the image for instance CImagingControll MemorySaveImage Triggered bmp End Sub Activating the strobe output FireWire cameras typically have a set of properties such as exposure time or gain IC Imaging Control makes these properties available in the class VCDSimpleProperty The program begins by defining the variable VCDProp that will later contain these properties Secondly the video Device is assigned in this case the FireWire camera DMK 21BF04 and then we define a Vi deoFormat The function GetSimplePropertyContainer assigns the properties of the opened camera to the variable VCDProp The command VCDProp Switch VCDID Strobe True activates the strobe output Therefore after having started the camera with LiveS
13. rce USB FireWire and GigE CCD cameras offers two different modes of operation Free running The cameras generate a stream of up to 60 images s depending on their resolution To considerab ly reduce the amount of data the frame rate may be reduced to 30 15 7 5 or 3 75 images s The exposures length can be set in the range of 100 us to 30 s via software Please note however that the camera s clock generator determines the actual moment of exposure Thus it cannot be controlled externally but measurable using the strobe output Therefore this mode of operation is called free running Trigger The cameras offer a trigger input to determine the moment of exposure The exposure begins 4 8 us after the occurrence of a trigger pulse The length of the exposure in the range of 100 us to 30 s can be set via software The duration of the image readout is the reciprocal of the current frame rate Once the image readout has finis hed the camera is able to accept a new trigger pulse at any time 48 us tep 100 Us to 30 s te frame rate l Trigger_in gt 2 5 US Exposure Image readout Industrial CCD Cameras Using the trigger and the digital I Os JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 5 gt Digital I Os USB cameras Pin header As already mentioned in the introduction there are two ways to access the camera s digital I Os using an internal pin header or an external Hirose connector To
14. tart pin 6 indicates the CCDs exposure Industrial CCD Cameras Using the trigger and the digital I Os gt JS IMAGINGSOURCE TECHNOLOGY BASED ON STANDARDS 13 Private Sub Form _Load Dim VCDProp As VCDSimpleProperty ICImagingControll Device DMK 21BF04 ICImagingControll VideoFormat Y800 640x480 VCDProp GetSimplePropertyContainer ICImagingControll VCDPropertyItems VCDProp Switch VCDID Strobe True ICImagingControll LiveStart End Sub Reading the digital input The first three program lines are similar to those of the preceding example Activating the strobe output The main difference is to be found at the programs end The command VCDProp OnePush VCDElement GPI ORead reads the digital inputs state while Debug Print VCDProp RangeValue VCDElement GPI OIn indicates this state in terms of a debug output Private Sub Form _Load Dim VCDProp As VCDSimpleProperty ICImagingControll Device DMK 21BF04 VCDProp GetSimplePropertyContainer ICImagingControll VCDPropertyItems VCDProp OnePush VCDElement_GPIORead Debug Print VCDProp RangeValue VCDElement_GPIOIn End Sub Setting the digital output The first three program lines are similar to those of the preceding example Reading the digital input The main difference is to be found at the end of the programs The command VCDProp RangeVa_lue sets the variable VCDElement_GPIOOut to0 whereupon VCDProp OnePush VCDElement GPIOWrite copies the content of
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