VMC45 Operating Instructions
Contents
1. Shutter Control Long Exposure 1 2 CD Seo ata See recette tia Overview of the used sensors Lens on chip Spectral Response 1 8 Connections Lens Power Supply Video Output Pin Assignment 1 4 Mode Settings Operating Ne Long Exposure in Frame Mode Long Exposure in Field Shutter Mode Gain Control Gamma Setting 2 Video Module VM45 Pinning of the I O Connector 1 17 DIP switches cire ree vene CCD select and standard Gamma Setting a0 a eer eter due 3 Servicing Maintenance and Cleaning Instructions Servicing Maintenance and Cleaning Instructions 24 Cleaning Method for the Optical 24 4 Appendix Customer Warranty eceran ann CE Gertificatior os te e Dimensions and Weight Electrical Schematics of the board VMAIN Systeim Data sc sert dee eo e depre Ee Dep Operating Instructions VC45 VM45 Version 03 99 Sub2. we EB upper board VIDEO SPC A PCO 1999 VMC45 03 99 24 3 Servicing Maintenance and Cleaning Instructions at es 3 Servicing Maintenance and Cleaning Instructions Servicing Maintenance and Cleaning Instructions The camera is maintenance free Factory settings make any inspection and servicing superfluous During use the camera should be protected from hard shocks or strong vibrations Also should the camera be protected from high humidity and temperature shocks Avoid exposing to sunlight since it heats up the camera housing unnecessarily and prevents the cooling from reaching its optimum operating temperature Keep apertures and slots free to allow air to circulate Objective lens or lens adapter should be screwed in gently Avoid forcing as it will damage the tread Use a soft and dry cloth to clean the housing Cleaning Method for the Optical Part In principle every cleaning method bears the danger of damag ing an optical surface Therefore clean only if it is strictly necessary As a first step use dry air to blow out dust particles Avoid strictly to wipe on a dry glass surface In case dirt cannot be removed by blowing use special optical cleaning fluids Adequate fluids for optical surfaces are pure dehydrogenated alcohol pure acetone or cleaning fluids avail able in photo shops Use a soaked cotton tip and take care to wipe only on glass surfaces avoiding contact to m
3. Wave length nm without filter t with infrared cutting filter 1 3 Connections Lens Mount The VC45 uses a C Mount with a standard back focal length of 17 52mm distance between the front edge of the C Mount in sert and the focal plane of the CCD sensor The C Mount has a fine adjustment to allow for small variations in the focal length of instruments To adjust to a different back focal length just loosen the set screw at the bottom of C Mount front plate Rotate the C Mount insert to the desired position The C Mount insert has a 0 5 thread suitable for fine adjustment Then secure the insert again by tightening the set screw Power Supply The power supply 230V delivered with the VC44 provides 12V 596 41096 At 12V the power consumption is about 300mA On the power supply a 12 pin special connector is mounted Video Output The analog video output BNC socket supplies a standard video signal 1Vpp 0 3V Sync Level on 750 according to CCIR or RS170 standard The video signal is compatible to all video equipment like re corder printer monitors Please use only 75Q cables e g RG59 Some monitors need an external Sync signal In this case you need a connection between VIDEO OUT of the monitor and SYNC IN of the monitor PCO 1999 VMC45 03 99 1 Video Camera VC45 9 EEC Pin Assignment The 12 pin socket at the camera rear panel has a standard pin assignment as follows Please note that
4. i8 3f 8 GAINext 9 ENB 12 Ep2 x exposure 1 1 5 x 9 composite sync 18 HSYNC jhorzontalsyrne 19 VR Jvericalreet The X marked signals are already described in Chapter 1 see page 9 PCO 1999 VMC45 03 99 18 2 Video Module VM45 RS GND Ground 12V see Chapter 1 page 9 5Vout Output of a 5V Regulated by an internal voltage regulator 7805 When the voltage regulator is not needed you can also use an external 5V power supply In this case the regulator has to be bridged VIDEO Video output signal CCIR or EIA RS170 1Vpp 0 3V Sync Level on 75Q TRIG Trigger mode Continuously variable shutter When using the normal shutter either leave the TRIG pin open or connect it to the power supply When using the continuous variable shutter input the clock pulse to the TRIG pin When using the TRIG pin to control the exposure time in order to broaden the control range it is necessary to use the ED ED1 and ED2 pins to set the shutter speed to 1 10000 VSYNC HSYNC TTT TTT TT TTT TRIG XSG exposure time From the start of the TRIG input falling edge to the XSG pulse there is a variable exposure time The XSG pulse is done in the following lines after the vertical sync has ended CCIR 8 lines odd field 8 5 lines even field EIA RS170 1 5 lines odd field 1 line even field PCO 1
5. Lis load value CCIR load value shutter calculated load value shutter calculated speed value speed value Low speed shutter N 2x 1 FF16 L16 FLD However 1FF cannot be used as the load value Maximum 1023 fields 20ms 20 seconds load value shutter speed FLD 1FE16 JFEg 23 4 ir saa 1016 10146 PCO 1999 VMC45 03 99 1 Video Camera VC45 1 3 N CSYNC Composite synchronisation output TTL level VSYNC Vertical synchronisation output TTL level MODE Switch between field frame readout and integration TTL level mode readout GENLOCK External synchronisation Input to synchronise the camera to an external video device A video signal 75Q or a TTL signal consisting of horizontal and vertical synchronize pulses composite sync CSYNC is needed Internally there is no 75Q termination The synchronisation is achieved by an internal PLL The synchronisation with Genlock can be enabled disabled by controlling LSW This can be done with DIP switch S1 DIP switch S1 pin 8 open Genlock disabled DIP switch S1 pin 8 closed Genlock enabled PCO 1999 VMC45 03 99 14 1 Video Camera VC45 FST EET 1 4 Mode Settings Operating Mode The camera runs in two different operating modes e FRAME interlaced e FIELD interlaced FRAME FIELD INTERLA INTERLA FIELD 1 FIELD 2 FIELD 1 FIELD 2 1 1 1 2 2 2 3 3 3 4 4 4 5 5 5
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7. R R n Integration Time 2 x 40ms CCIR Integration Time 2 x 20ms CCIR 2 x 33 4ms 2 16 7ms Image 1 Image 1 me 2 m Image 2 U U U U U L U U Video Out Video Out 1 Ar U Uy U ol E Hint At continuous illumination the brightness of the image is the same in FIELD or FRAME mode CCIR 40ms with 1 pixel or 20ms with 2 pixels RS170 33ms with 1 pixel or 16 5ms with 2 pixels However with externally applied shuttering e g flashlight or la ser pulse the FIELD mode generated image has double the brightness of a FRAME mode generated image In the FRAME interlace mode the camera produces two fields generated with a time shift FIELD 1 and FIELD 2 odd respect even lines These fields are each integrated for 40ms The FIELD interlace mode combines 2 lines 1 2 3 4 in FIELD 1 and 2 3 4 5 in FIELD 2 FIELD 2 is shifted by one line in respect to FIELD 1 line shifting PCO 1999 VMC45 03 99 1 Video Camera VC45 1 5 T Long Exposure in Frame Mode By using the EXP exposure input pin 3 of the 12 pin socket the integration time can be controlled In line 10 of the video signal a marker pulse is allocated If in this moment the EXP signal is high the marker pulse is sup pressed the image is not shifted into the shift register and the integration time is prolonged When operating in the FRAME mode always 2 x n marker pulses a
8. there are also special pin assignments possi ble In this case a separate pin assignment is enclosed 12 pin socket of the camera rear panel pin signal name level function input output POWERGND ground input e ED TI shutterconro inp 8 ED HT hutttercontrol input 9_ CSYNC TTL jcompositesyno output signal level from 1 5V is accepted POWER GND Ground POWER 12V Input voltage 12V 10 2 EXP Long Exposure Control input TTL level The exposure time can be prolonged by a low signal Typical time range between 40ms 10s This input is checked at any rising edge of the VSYNC signal end of the VSYNC When the input is low the integration time will be prolonged for the next field frame In the field integration mode multiple of 20ms will be exposed in the frame integration mode multiple of 40ms will be exposed The input is connected to a pull up resistance PCO 1999 VMC45 03 99 1 0 1 Video Camera VC45 Remark The Long Exposure Control can only be active when the module is in the parallel mode and the shutter is off DIP switch S1 pin 7 open DIP switch S1 pin2 closed ENB don t care or DIP switch S1 pin2 open ENB low EXPD Long Exposure Power Down input TTL level For long integration times the sensor can be set in a power down mode This mode avoids the generating of an additional dark current This input can be set
9. 999 VMC45 03 99 19 2 Video Module VM45 GAIN ext External gain setting There are three possibilities to control the gain e Internally by the potentiometer P2 GND aps IVA 5 Em BE A upper board VIDEO SPC A P2 e Externally with a voltage range of 0 5V The gain range is between 5 32 dB extern gain voltage V Externally with a potentiometer 45V to GAINext 10kQ PCO 1999 VMC45 03 99 20 2 Video Module VM45 gt a a es ENB see Chapter 1 page 11 EDO see Chapter 1 page 11 ED1 see Chapter 1 page 11 ED2 see Chapter 1 page 11 EXPD see Chapter 1 page 10 EXP see Chapter 1 page 9 CSYNC Composite synchronisation output CSYNC TTL level MODE see Chapter 1 page 13 VSYNC see Chapter 1 page 13 HSYNC Horizontal synchronisation output HSYNC TTL level VR Vertical reset input TTL level A vertical image synchronisation can be made with a vertical sync signal GENLOCK External synchronisation Input to synchronise the camera to an external video device A video signal 75Q or a TTL signal consisting of horizontal and vertical synchronize pulses composite sync CSYNC is needed The synchronisation is achieved by an internal PPL A second possibility is to input separately the horizontal sync and the vertical sync In this case the horizontal sync must be connected to the GENLOCK and the vertical sync must be con nected to the vertical re
10. VC45 VM45 Operating Instructions PCO CCD IMAGING Safety Instructions 3 SSS Safety Instructions For your own safety and in order to guarantee a safe operation of the camera please read carefully the following information prior to using the device e Never operate the camera at places where water or dust might penetrate e Place the camera on a sufficiently stable basis Shocks like e g dropping the camera onto the floor might cause serious damage to the device Therefore exclusively the tripod attachment at the bottom side should be used for mounting the camera e Always unplug the camera before cleaning it Do not use cleaning liquids or sprays Instead use a dry soft duster e Make sure that the connecting cable is in good condition and that the link to the socket does not represent an obstacle e Detach the camera and contact the customer service in the following cases When cable or plug are damaged or worn out When water or other liquids have soaked into the device When the device is not properly working although you followed all instructions of the user s manual When the camera fell to the floor or the housing has been damaged When the device shows apparent deviations of normal operation PCO 1999 VMC45 03 99 Contents 5 Contents 1 Video Camera VC45 1 1 Features of the Video Standard
11. d shutter does not oper ate normally Shutter Mode mode flickerless high speed low speed no shutter shutter shutter SMD2 L flickerless eliminates flicker re from the frequency of SS light high speed shutter shutter speed higher than 1 50 CCIR shutter speed higher than 1 60 RS170 low speed shutter shutter speed lower than 1 50 CCIR shutter speed lower than 1 60 RS170 does not operate normally during frame accumulation no shutter no shutter operation Input timing when using serial input ED CLK 4141414141414141414 ED2 DATA D1 X D2 D3 X D4 X D5 X D6 X D7 X D8 GwDixSuD2 bunny EDO STB The data on ED2 is latched in the register at the rising edge of ED1 and is then taken in internally while EDO is low PCO 1999 VMC45 03 99 1 2 1 Video Camera VC45 symbol min max ts2 ED2setuptime against the rising edge of ED 20ns th2 ED2holdtime against the rising edge of ED1 20ns ts1 ED1 rising setup time against the rising edge of EDO 20ns tso JEDOrising setup time against the rising edge of ED1 20ns Shutter speed calculation During frame accumulation low speed shutter does not oper ate normally High speed shutter for CCIR T 3121o 1FF16 L16 x 63 56 34 78us for RS170 T 26219 1 FF16 L16 X 64 35 6us
12. etal surfaces e g C Mount thread otherwise microscopic dirt and metallic chips are released causing irreparable scratches on the glass surface Never use aggressive cleaning substances e g benzine spirit nitro solvents etc commonly found in labs Such substances may destroy or damage the surface on which they are applied The best is to avoid any dirt on optical parts e g by replacing immediately the black protection cap when removing the objec tive lens Do not leave the camera s optical input window open without lens or protecting cap Our warranty does not cover damaged optical surfaces caused by improper cleaning methods PCO 1999 VMC45 03 99 4 Appendix 25 EEE 4 Appendix Customer Service Having a problem or a question about matters not handled in these operating Instructions we recommend to contact us by phone 9441 2005 0 by fax 9441 2005 20 by email support pco de For a quicker reply we need following information PCO Spa aed e Short description of the problem e experiment conditions in VD e Camera serial number on the label placed the bottom of mn the camera Warranty PCO grants a 12 month warranty period for the camera The warranty period starts on day of delivery ex factory In case of defect within the warranty period replacement or repair will be made at PCO s discretion free of charge The device shall be returned on customer s expenses to PCO preferabl
13. ject to change without prior notice Copyright by PCO 1999 PCO 1999 VMC45 03 99 1 Video Camera VC45 Video Standard Shutter Control Long Exposure PCO 1999 VMC45 03 99 VC45 VM45 This manual contains important information and instructions for the use of the Video Camera VC45 and the Video Module VM45 If you work with a Video Camera VC45 you will find all neces sary information in Chapter 1 Chapter 2 includes additional information when working with a Video Module VM45 VC45 without housing 1 Video Camera VC45 1 1 Features of the Camera The video camera VC45 is a high performance monochrome camera based on a solid state image sensor The high quality lens on chip CCD combined with an advanced electronics in creases sensitivity of the VC45 substantially compared with high standard video cameras An absolute black level is achieved via special darkened reference pixels yielding a per fect linear relation between light input and output signal A great number of additional features makes the VC45 suitable for nearly every application The VC45 is easy to use The analog video signal is a CCIR respect a RS170 standard signal and compatible to the whole video equipment on the market With a potentiometer at the rear panel of the camera the gain can be set externally An integrated shutter control allows exposure times from 100us to 20ms CCIR respect 16 7ms RS170 It can be set by DIP swi
14. ometer at the back panel of the camera It can be selected in the range of 12dB 1 12 pin Socket 2 Gain Potentiometer S 3 Analog Video Output aay mE 1 2 3 Gamma Setting The gamma correction is preset by factory to linear If you want to change it internal changes are necessary see Chapter 2 PCO 1999 VMC45 03 99 2 Video Module VM45 17 a i i 2 Video Module VM45 The main features of the Video Module VM45 are identical to these of the Video Camera VC45 In this Chapter you will find some additional information to the Video Module VM45 Please note that there are parallels between the 12 pin socket at the camera rear panel and the internal connector ST1 Pinning of the I O Connector ST1 The connector ST1 is placed on the lower larger board Some signals has parallel wires to the I O connector ST1 and to the DIP switch S1 When using the external interface I O connector ST1 all DIP switches must be set to off siy Ele P1 TT mmi w IA 2d m gt EPE rapa DE mo hes cn lH G B as E jai 15 ST1 a s BN lower board VMAIN DIP switch S1 pin at internal signal at 12 pin function connector ST1 name connector 7 ground 2 jinputpower 1 gond __ input or output power E VIDEO _ X 1 ground trigger input 1 2 1 TRIG R xe jj enable shutter
15. on aon 2 8 4 6 149 9 4 HHPH EE eson E P RB sn z zson ZAS 558 they E E ison gon UC 7 Ene 0201 e E tee E eton zon 0 56 6 TOL POL ee 8 8 79 Sron er E 5 9 tar B24 tron son L3 8 2 28 8 28 9ron Hia B21 ron Lo o to 18 2 52 8 i ooo ey 0L 9 HOWIMS 3 i MST d Tui n n Sd m E IION i zi L a 73 2 9 18 Di lo LEBEL gt Ls EB be PCO 1999 VMC45 03 99 28 4 Appendix System Data Model VC45 C 12 VC45 C 23 VC45 N 12 VC45 N 23 quency quency External up to DC External up to DC PCO 1999 VMC45 03 99 Dear Customer We hope the VC45 VM45 will be an always valuable tool for your scientific day in day out work Comments suggestions or any new idea on our system are welcome We are at your disposal at any time also after your buying of this camera Your PCO Team CCD IMAGING
16. parallel with the EXP input but must be re set at least 200ms before the EXP is reset EXP 4 Rx EXPD lt gt 200 ms lt gt long exposure time The input is connected to a pull up resistance Remark The Long Exposure Power Down can only be active when the module is in the parallel mode and the shutter is off DIP switch S1 pin 7 open DIP switch S1 pin2 closed ENB don t care or DIP switch S1 pin2 open ENB low PCO 1999 VMC45 03 99 1 Video Camera VC45 1 1 T ENB Shutter speed setting parallel or serial input EDO ED1 ED2 Parallel Input Only the high speed shutter is used when using parallel input During frame accumulation low speed shutter does not oper ate normally Shutter speed table JP1 EDO ED2 shutter speed X bt x X X shutterof a ee E eos E ee __ 1420 EX EA A 3 LX Ho L 5 L H 150 xX H A AH f L 100 LX H L Ho L 12000 xX H AT L f L f 140 X H L L 11000 1 Accumulation time is as follows regardless of field accumulation frame accumulation JP1 low EIA RS170 1 60s JP2 high CCIR 1 50s Pseudo field readout during frame accumulation Serial Input following four modes can be selected according to the combination of serial data SMD1 and SMD2 During frame accumulation low spee
17. re suppressed to achieve two evenly illuminated fields 40ms During the integration black pictures are released from the camera EXP Integr ODD even 3 Integr EVEN VIDEO OUT black image pen las Hu even odd even even 1 odd2 even2 Marker pulse in video line 10 is suppressed thus yielding longer integration time Long Exposure in Field Mode Via the EXP signal the integration time can be controlled In line 10 of the video signal a marker pulse is allocated If in this mo ment the EXP signal is high the marker pulse is suppressed the picture not shifted in the shift register and integration time prolonged The FIELD mode allows integration time prolongation in steps of 20ms During the integration black pictures are released from the camera VSYNC field x field h field Integration VIDEO OUT r t black image field x ield x 1 field x 2 Marker pulse in video line 10 is suppressed thus yielding longer integration time PCO 1999 VMC45 03 99 1 6 1 Video Camera VC45 a ee ary Shutter Mode In the shutter mode exposure times between 1 50 1 10000 s can be realized These shutter times can be achieved by a par allel and serial programming via external signals ENB EDO ED1 ED2 or by a parallel setting via internal DIP switches Gain Control The gain is externally adjustable with the potenti
18. set VR The synchronisation with Genlock can be enabled disabled by controlling LSW This can be done with DIP switch S1 DIP switch S1 pin 8 open Genlock disabled DIP switch S1 pin 8 closed Genlock enabled PCO 1999 VMC45 03 99 2 Video Module VM45 21 DIP switches The 8 DIP switches have the following function ST1 lower board VMAIN DIP switch S1 DIP switch S1 function factory set 2 ENB oosed Eo open 5 ED open O 6 Mode pen 8 Genek X open J PCO 1999 VMC45 03 99 22 2 Video Module VM45 CCD select and standard The following jumpers are factory settings and are not allowed to change CXD 1261 bottom side of lower board VMAIN 6 pin connector JP1 EIA RS170 or CCIR setting Pin 1 EIA RS170 Pin JP2 1 2 sensor or 2 3 sensor Pin 1 PCO 1999 VMC45 03 99 Pin 1 1 2 sensor CCIR 2 3 sensor 2 Video Module VM45 23 E M Gamma Setting The gamma setting can be done with the jumpers JP3 JP4 and JP5 jumpered on the board Video SPC JP3 JP4 JP5 Gammai off NM HEC nl on j Other combinations are not allowed mv output level y 2 evel mv JP5 JP4 tty s
19. tches parallel or serial input A long exposure time can be generated up to 20s by an external or serial input When using the external input a special power down mode prevents the CCD from additional dark current There are two integration modes possible FRAME interlaced and FIELD interlaced The sensor of the VC45 is absolutely insensitive against over exposure i e too much light cannot damage the CCD sensor 1 Video Camera VC45 7 N 1 2 CCD Sensor Overview The following CCD sensors can be used in the camera CCIR active sensor 741 576 pixel 8 6x8 3um 6 4x 4 8 mm 741 x 576 pixel 11 6 x 11 2 um 8 6 x 6 5 mm RS170 format resolution pixel size _ active sensor 756 x 486 pixel 8 4x9 8 hm 16 4 x 4 8 mm 756 x 486 pixel 11 6 x 13 5 um 8 8 x 6 6 mm Lens on chip Each of the used CCD sensors have the lens on chip inte grated which increases the sensitivity of about factor 2 The following drawings show the principle function of the lens on chip technical sensor cells without lens on chip v MURAT Y wv sensor cells with ens on chip PCO 1999 VMC45 03 99 8 1 Video Camera VC45 Spectral Response The following drawing shows the spectral response of the used sensors Optional the VC45 is available with an infrared cutting filter All wavelength higher than about 680nm will be cut off 2 3 E
20. y in the original package PCO is not liable for consequential damages Before returning the camera contact PCO via any of the Cus tomer Services Pay attention to use a sufficient package if you have to send the camera via mail keep the original package Attention Opening of the camera or improper handling e g damage by electrostatic charge wrong cleaning method voids the war ranty PCO 1999 VMC45 03 99 26 4 Appendix EEE CE Certification VC45 complies with the requirements of the EMC Directions of the European Communities 089 336 EWG and therefore bears the CE Marking Dimensions and Weight BNC C Mount 39mm lt gt 12mm 1 4 20 UNC M6 M6 47mm Weight about 300g PCO 1999 VMC45 03 99 27 Electrical Schematics of the board VMAIN 4 Appendix 1 Tonus oT T o MES sesir PSA gno NI ces 10908111 An 4089 znd ela moyo E vey 18808 LT u MOONASA Fatt VE 5 HHH
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