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CV-M71A

-7-

6.2

Sensor Layout and timing

6.2.1 CCD Sensor Layout

The CCD sensor layout below shows the pixels and lines used in the timing and video full frame readout.

FIGURE 11.CCD sensor layout

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Summary of Contents for CV-M71A

Page 1: ...Digital Progressive Scan Analog RGB Color Camera CV M71A Operation Manual Camera Revision B Manual Version 1 0 ...

Page 2: ...f External HD VD signals 10 6 3 2 Input of external trigger 13 6 3 3 Output of XEEN 13 6 3 4 Output of HD VD signals 13 6 4 Operation Modes 13 6 4 1 HD synchronous accumulation 14 6 4 2 HD asynchronous accumulation 16 6 4 3 Continuous operation 17 6 4 4 Edge Pre select Trigger Mode 17 6 4 5 Pulse Width Control Trigger Mode 19 6 5 Other Functions 22 6 6 Mode and function matrix 24 7 Configuring the...

Page 3: ... 2 Standard Composition The standard camera composition consists of the camera main body and C mount protection cap The camera is available in the following version CV M71A 1 2 inch progressive scan Analog RGB color camera 3 Main Features Compact 1 2 inch digital progressive scan analog RGB color camera RGB primary color mosaic CCD Bayer with internal RGB interpolation 782 h x 582 v effective 8 3 ...

Page 4: ... RS232C and external sync signals 5 6 pin connector for RS232C trigger in and WEN output 6 White Balance button 7 LED for power and trigger indication Orange steady Initializing after power ON Green steady Operating Continuous mode Green flashing Operating and receiving external trigger 8 Mounting holes 8 x M3 depth 5mm FIGURE 1 Locations 1 Note Rear protrusion on C mount lens must be less than 9 ...

Page 5: ...No Signal Remarks 1 GND 2 12 V DC input 3 GND 4 Iris Video Video signal for the auto iris lens drive 5 GND 6 HD input 7 VD input 8 GND 9 XEEN out 10 WEN out 11 Trigger In 12 GND Pin no Signal Remarks 1 VD IN OUT 2 GND 3 R out 4 G out Sync on G out Default G out 5 B out 6 HD IN OUT 7 SYNC out WEN out Default SYNC out 8 GND 9 NC See Section 7 1 on page 25 for more information Type HR10A 10R 12PB 01 ...

Page 6: ...Ω without termination Do not use auto shutter CCD iris when auto iris lens is used FIGURE 5 Video output 5 4 1 a HD and VD input RXD TXD Pin 6 and 7 on the 12 pin connector and pin 6 and 1 on the 9 pin D sub connector are used for HD VD input Pin 1 and 2 on the 6 pin connector are used for the RS232C interface TXD OUT and RXD IN SW301 3 ON for HD 75Ω termina tion OFF for TTL SW301 4 ON for VD 75Ω ...

Page 7: ...the 12 pin connector This signal is active during the accumulation exposure period of the camera The output circuit is 75 Ω complementary emitter followers It will deliver a full 5 volt signal Output level 4 V from 75 Ω No termina tion FIGURE 8 XEEN output 6 Functions and Operations 6 1 Basic functions The CV M71A camera is a progressive scan camera with a primary color mosaic CCD Bayer An interna...

Page 8: ... low when the accumulated charge on the photo diode array is transferred to the vertical ccd registers for readout When the Sensor Gate Control input is high the internal SG pulse is inhibited and the signal accumulation on the photo diode array can take place After the strobe flash is fired the Sensor Gate Control signal can be low The resulting video is then read out after the first VD or SG fol...

Page 9: ...CV M71A 7 6 2 Sensor Layout and timing 6 2 1 CCD Sensor Layout The CCD sensor layout below shows the pixels and lines used in the timing and video full frame readout FIGURE 11 CCD sensor layout ...

Page 10: ... 2 Horizontal timing The HD period is shown for continuous mode The timing signal definition EEN Exposure enable EEN is defined HIGH for the exposure period XEEN Inverted polarity of EEN FIGURE 12 Horizontal timing ...

Page 11: ...n CV M71A is able to provide faster frame rates than with a full scan through 1 2 1 4 and 1 8 scanning of vertical height TABLE 1 Partial Scanning details Option Start Position Line End Position Line Line No Lines Output Image Front of Frame A Back of Frame B Back of Frame C 0 Full screen 1 576 576 1 1 2 Screen 148 434 287 23 23 2 2 1 4 screen 218 360 143 33 33 2 3 1 4 screen 253 323 71 38 38 2 Fu...

Page 12: ...ector SW302 1 selects by means of the D sub 9 pin or Hirose 12 pin for HD input SW303 1 selects by means of the D sub 9 pin or Hirose 12 pin for VD input The video output is synchronized with external HD VD signals if applied If no external HD is connected the camera will switch to the internal X tal controlled HD sync If no external VD is connected the camera will continue with its internal VD Th...

Page 13: ...shown in Figure 15 External Synchronization VD Timing FIGURE 15 VD timing for external synchronization Set function SW302 1 for HD input ON D sub 9 pin OFF Hirose 12 pin SW303 1 for VD input ON D sub 9 pin OFF Hirose 12 pin SW302 2 ON HD output OFF HD input SW303 2 ON VD output OFF VD input 9 6 QFKURQL DWLRQ 1RUPDO 6 1 3HULRG I I H F W L Y H L Q H V W 9 W 1 287 6 1 287 9LGHR RXW L QWB9 L QWB ...

Page 14: ... FIGURE 16 VD timing Details Note The internal VD is reset by the falling edge of Ext VD but there is no field identification The pulse width of Ext VD requires 9H to 12 H 6 3 1 b External Synchronization HD timing FIGURE 17 HD timing for external synchronization ...

Page 15: ... XEEN signal is 4 0 Vp p from a 75 Ω source 6 3 4 Output of HD VD signals HD input and VD input of D sub 9 pin can be changed to HD and VD outputs by selecting internal switches SW302 and SW303 The output level is 4 V p p 6 4 Operation Modes This camera can operate in four primary modes 1 TR 0 Continuous Mode Pre selected exposure 2 TR 1 Edge Pre select Mode Pre selected exposure 3 TR 2 Pulse Widt...

Page 16: ...t delay is shown in the table below the timing drawings In EPS mode the exposure stops 0 5H after the selected shutter time in number of HD In PWC mode the exposure stops 4 3μs after the trigger trailing edge It results in up to 1 H jitter In trigger modes with HD synchronous accumulation a new exposure can be started while the previous frame is read out The new exposure should not finish before t...

Page 17: ...ion in EPS mode Full frame 6 4 1 b PWC Pulse Width Control mode FIGURE 21 HD synchronous accumulation in PWC mode Full frame t1 Exposure start delay 1 25 000 1 75 000 1 100 000 1 150 000 1 300 000 4 30μsec 30 57μsec 34 60μsec 37 64μsec 40 67μsec t1 Exposure start delay 4 30 µsec ...

Page 18: ... exposure stops 0 5 H after the trigger trailing edge A new trigger must not be applied before the previous frame is read out VD is low The minimum trigger interval should be longer than exposure time 1 V 3 H Note In HD asynchronous trigger modes there is a fixed delay but no exposure jitter EPS Edge Pre Select Mode FIGURE 22 HD asynchronous accumulation in EPS mode Full frame t1 Exposure start de...

Page 19: ...n page 8 and Figure 13 on page 9 6 4 4 Edge Pre select Trigger Mode An external trigger pulse initiates the capture The exposure time accumulation time is the fixed shutter speed set by SH or PE The accumulation can be HD synchronous or HD asynchronous The exposure start delay is shown in the table below the timing drawing The resulting video signal will start to be read out after the t1 Exposure ...

Page 20: ...rnal sync system should follow the camera scanning system To avoid 1 LVAL jitter if LS 0 ext HD Trigger phase relations as shown in Figure 19 on page 14 Trigger pulse with 1 LVAL to 1 Frame If LS 0 the minimum trigger interval 1 VD 2 H If LS 1 the minimum trigger interval exposure time 1 VD 3 H EPS together with Smearless can only work in HD sync accumulation LS 0 Set function Trigger mode to Edge...

Page 21: ...hile the previous is read out The trigger pulse should end 2 LVAL after FVAL goes low The resulting video signal will start to be read out after the trigger rising edge For timing details refer to fig 12 through fig 13 and fig 24 To use this mode t1 Exposure start delay Exposure Time or 1 25 000 1 75 000 1 100 000 1 150 000 1 300 000 Sync accum 4 30μsec 30 57μsec 34 60μsec 37 64μsec 40 67μsec Asyn...

Page 22: ... accumulation LS 0 FIGURE 25 Pulse width control HD async accumulation 6 4 5 a Sensor Gate Control This mode is for applications with strobe flash illuminations or long time accumulations up to several frames In this mode the camera runs continuously The external Sensor Gate control signal will disable the internal XSG pulse so the accumulation continues during the next frame The resulting video i...

Page 23: ...era scanning system The ext HD VD phase relations should follow the synchronization shown in Figure 17 on page 12 After power up the camera apply more than 1 SG pulse before operation FIGURE 26 Vertical timing for Sensor Gate Control FIGURE 27 Sensor Gate position in line number 30 Set function Trigger mode to Sensor gate control TR 3 Other functions and settings Input Ext SG control to trigger in...

Page 24: ...GC function it keeps the video output constant over a wide range of illumination Auto shutter will work in continuous mode TR 0 Do not use auto iris lens with the auto shutter function This may make the camera unstable Trigger polarity TP 0 TP 1 The default trigger polarity is active low falling edge TP 0 It can be inverted to active high TP 1 Gamma GS 0 GS 1 For CV M71A gamma is selectable betwee...

Page 25: ...ite balance is performed Range 2800K to 6500K The result can be seen when the command inquire result of WB is sent AWRS Inquire result of WB AWRS After a one push white balance is done the result can be called with this command Returned error code 0 is busy 1 is success 2 is green is too bright 3 is green is too dark 4 is a time out error Output select OS 0 OS 3 With OS 0 the video output is the a...

Page 26: ... Mode and function matrix Function Shutter SM Smearless SL Accumulation LS Ext sync Iris Video Remarks Mode TR 0 1 2 VD HD Out Cont 0 a a a a a a EPS 1 a a a a 1 a PWC 2 a a 1 2 a SG 3 a ok no function 1 With smearless only HD sync accumulation can be used 2 Long time exposure 3 frames is not possible with HD a sync accumulation ...

Page 27: ... are found inside the camera seen from the back To access SW301 SW302 and SW303 Remove camera cover TABLE 3 SW 301 TABLE 4 SW 302 TABLE 5 SW303 Setting No Function ON OFF 1 Trigger input Termination 75Ω TTL 2 3 Ext HD input Termination 75Ω TTL 4 Ext VD input Termination 75Ω TTL Setting No Function ON OFF 1 HD IN OUT select on D sub 9 pin NC HD in 2 HD input HIROSE 12pin or Dsub9Pin D sub 9 pin Hir...

Page 28: ... based short command protocol FIGURE 30 Communication setting Protocol Transmit setting to camera NN Parameter CR LF NN is any kind of command Capital or lower case letters The camera answers COMPLETE CR LF To have all communication visible on the emulator screen start with EB 1 CR LF The camera answers COMPLETE CR LF Baud Rate Data Length Start Bit Stop Bit Parity Xon Xoff Control 9600 bps 8 bit ...

Page 29: ...s CR LF To see firmware number VN CR LF To see camera ID It shows the manufacturing lot number ID CR LF 7 3 CV M71A command list Command Name Format Parameter Remarks A General settings and useful commands EB Echo Back EB Param CR LF 0 Echo off 1 Echo on Off at power up ST Camera Status Request ST CR LF Actual setting HP Online Help Request HP CR LF Command List VN Firmware Program Version Request...

Page 30: ...ram CR LF PE CR LF 0 to 628 Actual exposure time when V 0 and SC 0 1L is 26 7us 0 1 8L 3 3us 1 300000s 1 2 8L 6 6us 1 150000s 2 3 8L 9 9 us 1 100000s 3 48L 13 3us 1 75000s 4 1 5L 66 7us 627 624 5L 16 7ms 628 625L 16 7ms Shutter off Available when SM 1 C Trigger Mode TR Trigger Mode TR Param CR LF TR CR LF 0 Continuous 1 Edge pre select 2 Pulse width control 3 Sensor Gate Control SL Smearless SL Pa...

Page 31: ... 50 to 150 0 is 0dB GAR Red Gain Level GAR Param CR LF GAR CR LF 1024 to 2047 GAB Blue Gain Level GAB Param CR LF GAB CR LF 1024 to 2047 WB White Balance WB Param CR LF WB CR LF 0 Manual One push AWB 1 3200K 2 4600K 3 5600K AW One pushAuto White Bal ance AW Param CR LF 0 Initiates one push AWB AWRS Inquire the status after one push AWB AWRS CR LF One of the following val ues will be replied from t...

Page 32: ...ings from Cam era EEPROM LD Param CR LF 0 Factory data 1 User 1 area 2 User 2 area 3 User 3 area Latest used DATA AREA will become the default at the next power up SA Save Settings to Camera EEPROM SA Param CR LF 1 User 1 area 2 User 2 area 3 User 3 area Note the parameter 0 is not allowed in this case EA EEPROM Current Area No Request EA CR LF The camera returns the latest used DATA AREA If posit...

Page 33: ...ra Control Tool is much more than a program with a Windows interface It also provides an easy and efficient ActiveX interface built for MS Windows NT 2000 and XP The OCX interface has the ability to connect to the camera using the serial interface of the PC by reading and writing properties for the camera This integration requires simple programming skills with Visual Basic Visual C or similar lan...

Page 34: ...ble to download updated operation manuals from the JAI website http www jai com camera manuals asp sprog uk For newer camera models the About window also shows Model Name Camera ID and User ID It is possible to edit and save free text in User ID At the bottom of the windows except the Communication Window is a colored bar The bar is green when the Camera Control Tool is connected to a camera and t...

Page 35: ...he selected communication port the application runs on line otherwise off line Changing the settings in the application will automatically update the camera settings when the application is online If the application looses connection with the camera it will automatically go to off line mode The changed status is indicated in the communication window Synchronize program and camera The Camera Contro...

Page 36: ... P000008 110 Current Settings Factory Settings User Area 1 User Area 2 User Area 3 Shutter Mode Shutter Speed Shutter Speed Shutter Speed Shutter Speed Shutter Speed Shutter Speed OFF OFF OFF OFF OFF AGC Level 95 95 95 95 95 Trigger Mode Continuous Continuous Continuous Continuous Continuous Smearless Off Off Off Off Off LVAL Accumulation Async Async Async Async Async Black Level Blue 23 23 23 23 ...

Page 37: ... user area 6 The setup file CameraName ini stores all information about camera settings When the program is started the last settings for the program are loaded from the file CameraName ini 7 When you turn on the camera and the Camera Control Tool it is possible that the Camera Control Tool does not show the actual camera settings see 4 and 5 aTo obtain the camera settings click Synchronize Progra...

Page 38: ...CV M71A 36 9 External Appearance and Dimensions FIGURE 32 External dimensions ...

Page 39: ...e 60 frames sec Progressive 625 lines frame Partial Scanning 250 fps max 150 lines frame Pixel clock 36 15 MHz Line frequency 37 5 kHz 964 pixels clock line CCD sensor 1 2 Color ICX 415AQ Sensing area 6 4 h x 4 8 v mm Cell size 8 3 h x 8 3 v µm Effective pixels 782 h x 582 v Pixels in video output 767 h x 576 v 60 fps H 37 5 kHz Sensitivity on sensor 9 1 Lux Min gain 100 video gamma 1 1 2 Lux Max ...

Page 40: ...ronous Preset Shutter speed EPS 15 fixed steps 1 60 to 1 300 000 second Programmable exposure EPS Full frame 1 60 to 1 300 000 second Partial Scanning 1 2 1 121 1 4 1 249 1 8 1 503 to 1 300 000s Programmable exposure PWC 1 15 000 to 2 sec Pulse width control HD sync accumulation 2 lines to 120 frames HD a sync accumulation 2 lines to 3 frames Auto shutter range Full frame 1 60 to 1 25 000 Readout ...

Page 41: ...1000 6 3 CC part 15 class B Power 12V DC 10 0 35A Lens mount C mount Flange back 17 526 mm 0 05mm Image center 0 1mm from C mount center Dimensions 40 x 50 x 90 mm H x W x D Weight 240 g Note Above specifications are subject to change without notice TABLE 7 CV M71A Specifications ...

Page 42: ...do not indicate any fault of the camera but do associate with typical sensor characteristics V Aliasing When the CCD camera captures stripes straight lines or similar sharp patterns a jagged image may appear on the monitor Blemishes Some pixel defects can occur but this does not have a practical effect on the camera s operation No CCD spots are visible when cameras are shipped In general photo dio...

Page 43: ...e of the camera should be downward so that dust does not get into and stick to the lens Be careful not to touch the surface of the lens Exportation When exporting this product follow the export regulations of your country 11 3 References 1 This CV M71A manual is available for download at www jai com 2 The data sheet for the CV M71A is available for download at www jai com 3 Camera control software...

Page 44: ... for any technical or typographical errors and reserves the right to make changes to products and documentation without prior notification Camera Type CV M71 A Revision Revision B Serial No Firmware Version For camera revision history please contact your local JAI distributor User Mode Settings User Modifications JAI A S Denmark Phone 45 44578888 Fax 45 4491 8880 www jai com JAI UK Ltd England Pho...

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