VX44 Operating Instructions
Contents
1. Dimensions and Weight Camera C Mount 1 4 20 UNC Weight about 300g PCO 1999 VX 03 99 18 8 Appendix ZT Controller Weight about 230g 8 Appendix Video Standard CCD Sensor Pixel Resolution Active sensing area Pixel Size Horizontal Scanning Frequenc Vertical Scanning Frequency Aspect Ratio Video Output max Sensitivit max S N ratio Gamma Storage Mode Gain Control Offset Control Enhanced mode select Connection cable Power Supply regulated Certification Internal changes necessary PCO 1999 VX 03 99 System Data CCIR RS170 SONY Interline Transfer CCD 2 3 with lens on chip 741 H x 576 V 756 H x 486 V 8 8mm x 6 6mm 1 6um x 13 5um 15 734kHz OHz CCIR RS170 Standard 1Vpp 75Q linear FRAME interlaced FIELD interlaced FIELD non interlaced 30 90 adjustable with 10 turns potentiometer off x1 gain 0 offset on selectable gain and offset input 100V 250V AC IEC connector system 12VDC 0 5A CE certified Dear Customer We hope the VX44 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 IMAGING2. Video OutpUt cea eem emi 3 Offset Gain Controller 93 1 Standard Mode nemen 10 3 2 Enhanced Modern 11 4 Howto start Instructions to start the 12 5 Servicing Maintenance and Cleaning Instructions 5 1 Servicing Maintenance and Cleaning Instructions 13 Cleaning Method for the Optical 13 6 Pin Assignment 6 1 Pin Assignment of the 12 pin 14 6 2 Pin Assignment of the 4 pin LEMO 14 7 Gamma Correction How to change the gamma correction 15 8 Appendix Customer Service nenn nnnnnnnnn nn FENCE Nana ren aaa Dimensions and Weight m System Data oie Rn pergens EE Operating Instructions VX44 Version 03 99 Subject to change without prior notice Copyright by PCO 1999 PCO 1999 VX 03 99 1 Introduction 000000 1 Introduction In microscopy objects of interest are often viewed with little contrast on a bright background Adjusting the camera offset and increasing the gain can significantly improve object con trast These functions are directly integrated into the VX44 to ensure optimum image quality The VX44 video camera is a high performance monochrome video camera based on a solid
3. enhanced mode The selected mode is shown by the lighting LED In the enhanced mode you can set an offset and the gain 5 Servicing Maintenance and Cleaning Instructions 13 A nr 5 Servicing Maintenance and Cleaning Instructions 5 1 Service and Maintenance of the Camera The camera system is maintenance free Factory adjustments require no special inspections or servicing Protect the camera from hard shocks keep it dry and avoid ex treme variations in temperature Use a dry and soft cloth to clean the housing 5 2 Cleaning Method for the Lens Before using an optical cleaning agent remove dust particles using dry air Never wipe the dust particle away in a dry state The optical part and the input window of the image intensifier may be cleaned with only suitable cleaning agents such as pure alcohol pure acetone or cleaning fluids from specialised photo shops Using a soaked cotton swab wipe only the glass surface Avoid touching any metal or plastic surfaces since micro parti cles can be detached from these surfaces and cause irrepara ble scratches to the glass surfaces As a precaution the lens glass surface should only be cleaned when necessary and under no circumstances cleaning agents such as gasoline nitro solvants etc should be used To prevent dust on the optical parts it is recommended the dust protection filter be mounted at once after dismounting the lens Do not handle or transport the camera witho
4. lens Call us at 9441 2005 0 2 2 Power Supply The power supply 90V 260V delivered with the VX44 pro vides 12V 5 10 At 12V the power consumption is 440mA On the power supply a 4 pin special connector is mounted 2 3 Video Output The analog video output goes to a BNC socket It 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 recorder 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 VX 03 99 3 Offset Gain Controller 3 Offset Gain Controller With the external controller the offset and the gain can be set When the Enhanced Mode is off the camera works as a stan dard video camera without the offset gain function OFFSET 10 turns potentiometer for tuning the Offset between 30 90 PCO OFFSET GAIN Potentiometer for setting the video gain between factor 1 x1 and factor 10 x10 ENHANCED MODE ON f OFF Lo ENHANCED MODE Key to switch between standard video mo de and offset gain mode LED ON Offset gain setting active OFF Standard video mode active 3 Offset Gain Controller 1 1 3 1 Standard Video Mode
5. state image sensor The high quality lens on chip CCD combined with the offset gain set ting and an advanced electronics increases sensitivity of the VX44 substantially compared with high standard video cam eras An absolute black level is achieved via special darkened reference pixels yielding a perfect linear relation between light input and output signal A great number of additional features makes the VX44 suitable for nearly every application The VX44 is easy to use The analog video signal is a CCIR re spect a RS170 standard signal and compatible to the whole video equipment on the market The VX44 is absolutely insensitive against overexposure i e too much light cannot damage the CCD sensor 1 1 Block Diagram The video output is an analog video signal according to the CCIR or RS170 standard To connect the camera to a periph ery video device monitor printer recorder frame grabber etc use only 75Q cables Video Monitor ee Video Recorder Analog Video VX44 E m E Video Printer Power Supply Dan Frame Grabber EO CI Controller PCO 1999 VX 03 99 8 1 Introduction ee er RAS 1 2 CCD Sensor The CCD sensor is an Interline Transfer Sensor with 2 3 for mat It has a resolution of 741 x 576 pixels CCIR or 756 x 486 pixels RS170 The pixel
6. 094 D is disc hed Offset 096 Offset 0 Gain x1 Gain x2 In this example the triangle is of interest for the application There is a very low contrast between the information within the triangle and the information around No higher gain is possible because the region of interest is al ready shifted to the maximum white level On the right side of the diagram the result is seen There is no contrast enhancement possible 3 2 Enhanced Mode In the enhanced mode you can set a small window over the tri angle by an offset 0 ER 0 Offset 0 Offset 40 Gain x1 Gain x10 Only the triangle will be gained with factor 10 Now you have the complete range of 100 on the 10 of the original information and therefore a contrast enhancement PCO 1999 VX 03 99 1 2 4 How to start BE um 4 How to start Following connections have to be made before running the VX44 after installing on a microscope or after mounting a C Mount lens e Connection cable between VX44 and the Controller e Power Supply to the camera e 75Q cable BNC from camera to video monitor Switch on the Power Supply The system runs automatically in the standard mode Standard mode means offset is 095 gain factor is 1 like a standard video camera You have to see an image on the monitor screen With the black button on the controller you can toggle between this standard mode and the
7. 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 Made h Coman e short description of the problem Typ VX44 e experiment conditions S N 345 CG 0368 e camera serial number S N on the label placed on the bottom of the camera Warranty PCO grants a 12 month warranty period for the camera and power supply 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 pref erably in the original package Image intensifiers are subject to the original manufacturer s war ranty conditions 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 CE Certification VX44 complies with the requirements of the EMC Directions of the European Communities 089 336 EWG and therefore bears the CE Marking 8 Appendix 14 a CE T
8. VX44 Operating Instructions N nn EN N 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 VX 03 99 Contents 5 FF Contents 1 Introduction Block Diagram ipe maim EVE 7 COD SAS anni eer 8 va 2 Connections 2 4 Hens MOUnL toe ias 2 2 Power Supply 2 9
9. size is 11 6um x 11 2um CCIR or 11 6um x 13 5um RS170 The integrated lens on chip increases the sensitivity of about factor 2 lens on chip on the sensor cells sensor cells without ens on chip sensor cells with ens on chip Spectral Sensitivity of the CCD sensor Relative response Wave length nm without filter Visus with infrared cutting filter The camera can be used with an infrared cutting filter optional or without filter 2 Connections 9 2 Connections Back panel of the VX44 ey 1 12 pin Socket 2 4 pin Power Connector 3 Analog Video Output lis 2 1 Lens Mount VX44 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 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 PCO can deliver suitable lenses for all applications standard macro zoom Give us the dimensions of your object and we will calculate the suitable
10. ut the protection filter in place All warranties are void if improper cleaning methods are used to clean the optical surfaces PCO 1999 VX 03 99 14 6 Pin Assignment OEE 6 Pin Assignment 6 1 Pin Assignment of the 12 pin socket Standard pin assignment of the 12 pin socket at the back panel of the camera pin signal name level function POWERGND gnd 3 optional not connected gain 16 OFFSET tov offset 7 j8 OFFSET 0 offset 9 ENHANCED fiov too optional not connected f optional not connected poo optional not connected 6 2 Pin Assignment of the 4 pin LEMO socket 412V GND pin signal name level function a optional not connected ______loptional not connected POWER GND 7 Gamma Correction 1 5 7 Gamma Correction The operator can choose between two gamma settings e linear e gamma The gamma correction is preset by factory to gamma If you want to change it internal changes are necessary 1 Open the camera 4 screws 2 Turn the camera that the upper smaller board VIDEO SPC is in the same position as shown below VIDEO SPC board J11 J10 J9 tty 5 m E Su a GND EH factory preset Other combinations are not allowed PCO 1999 VX 03 99 16 8 Appendix EEE E 8 Appendix
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