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CV-A1

6.11. Other Functions.

Gain and analogue settings.

!! Do not adjust these settings unless you have knowledge to video adjustments !!

The video gain can be set to

AGC

manual

. In AGC mode the video level is kept constant by

the automatic gain control circuit within a 12 dB range. Normal 700 mVpp

30 mV. The level can

be adjusted with

AGC level

In manual gain mode, either the gain level or the rear potentiometer can adjust the level.

Setup level.

This setting can adjust the setup level (or black level). Normal 20 mVpp

2 mv.

White clip level

. For adjusting the wanted white clip level. Normal 800 mVpp

30 mv.

Gamma select.

Gamma can be 1 (linear) or 0.45.

Sync signal on/off

. Off will remove the composite sync signal from the video signal.

Pixel clock on/off.

Set to on if the pixel clock is used. To avoid interference the pixel clock out

should be off when not used.

EEN/WEN output.

Will select EEN or WEN signal output on pin #6 on 6-pin connector.

Trigger polarity.

Will invert the trigger-input signal.

WEN polarity.

Will invert the WEN output signal.

7. Configuring the Camera

7.1. RS-232C control.

All configuration of the A1 camera is done via the RS-232C port. The camera can be set up from

a PC running terminal emulator software, or using JAI´s camera control software.
Below is the description of the ASCII based short command protocol.

Communication setting.

Baud Rate

9600 bps

Data Length

8 bit

Start Bit

1 bit

Stop Bit

1 bit

Parity None
Xon/Xoff Control None

RS 232C cable

TXD
RXD
GND

1 CD
4 DTR
6 DSR
2 RXD
3 TXD
5 GND
7 RTS
8 CTS
9 CI

9 pin
D-con
PC COM
PORT

CAMERA

TXD
RXD
GND

1 CD
4 DTR
6 DSR
2 RXD
3 TXD
5 GND
7 RTS
8 CTS
9 CI

9 pin
D-con
PC COM
PORT

CAMERA

Protocol.

Transmit setting to camera:

NN=

[

Parameter

]

<CR><LF>

(NN is any kind of command. Capital or small letters.)

To have all communication visible on the emulator screen, start with:

EB=1<CR><LF>

The camera answers:

COMPLETE<CR><LF>

Transmit the following to have the actual parameter for a command:

NN?<CR><LF>

(NN is any commands with parameters.)

The camera answers:

NN=

[

Parameter

]

Transmit the following to have the camera actual setting:

ST?<CR><LF>

The camera returns the actual parameter settings.

Transmit the following to have a command list:

HP?<CR><LF>

The camera returns a complete command list.

- 17 -

JPT 08-10-03: 11:01

Содержание CV-A1

Страница 1: ...Compact Monochrome Megapixel Progressive Scan Camera CV A1 Operation Manual Camera Revision B Manual Version 1 2 A1manB12oct08 doc JPT 08 10 03 ...

Страница 2: ...6 2 Input output of HD VD Signals 8 6 3 Continuous Operation Non triggered 9 6 4 External Trigger Modes 10 6 5 Edge Pre select Mode 11 6 6 Pulse Width Control Mode 12 6 7 Frame delay read out Mode 13 6 8 Long Time Exposure Mode 14 6 9 Start Stop Mode 15 6 10 Smearless Mode 16 6 11 Other Functions 17 7 Configuring the Camera 17 7 1 RS 232C control 17 7 2 CV A1 RS 232C command list 18 7 3 Camera Con...

Страница 3: ...he standard camera composition consists of the camera main body and operation manual 3 Main Features New compact size 1 2 progressive scan monochrome CCD camera 16 full frames 1392 h x 1040 v 4 65 µm square pixels per second Up to 75 fps with 1 6 partial scan Double speed and double sensitivity with V binning 4 times normal sensitivity with H and V binning Internal external HD VD or random trigger...

Страница 4: ...n setting 5 Mounting holes 8 x M3 For precision mounting use only the 4 holes located at the forward part of the bottom plate 6 1 2 interline transfer type CCD sensor 7 Lens mount for C mount lenses 1 Note 1 Rear protrusion on the C mount lens must be less than 10mm 0 4 inches approx When IR cut filter is used it must be less than 7 0 mm 0 28 inches approx The IR cut filter is placed in the C moun...

Страница 5: ...out 8 GND 9 Pixel clock output JP2 short and PC 1 for pclk out 10 WEN output GND if JP5 open and JP3 short 11 Trigger input 12V DC if JP1 short and JP4 open 12 GND Pin no Signal Remarks 1 TXD out 2 RXD in 3 GND 4 GND 5 Trigger input Parallel with pin 11 on 12 pin con 6 EEN output 2 WEN output if EW 1 3 4 5 6 7 8 9 10 11 12 1 2 Seen from rear 1 2 3 4 5 6 Fig 3 6 pin connector Plugs for cable HR10A ...

Страница 6: ...ong pulse width the input circuit is a flip flop which is toggled by the negative or positive differentiated spikes caused by the falling or rising trigger edges The trigger polarity can be changed Trigger input level 4 V 2 V The trigger input impedance is 1 kΩ JP1 and JP4 are for alternative configuration for pin 10 Fig 5 Trigger input 5V 47p 33k TTL 1k2 GND 10µ 4k7 VD HD Input output 75 SW2 1k 1...

Страница 7: ...ep with the command SH or programmable exposure SM 1 The command PE allows 1023 step with 1 line period resolution 58 4 µs Note that PE 0 and PE 1 results in 1 3H The CCD scanning format SC can be selected between full or partial scanning With partial scanning only the vertical central part of the CCD sensor is read out with a higher frame rate The partial scan is done by a fast dump read out of t...

Страница 8: ...f pix H binning No V binning V binning H Vertical ccd register Normal full scanning Aspect ratio correct Horizontal binning Displayed image with binning 1380 pixels 690 pixels 1035 pixels 1035 pixels H binning is 2 1 V is 2 1 Together it is a 4 1 binning Normal full scanning Aspect ratio correct Horizontal binning Displayed image with binning 1380 pixels 690 pixels 1035 pixels 1035 pixels H binnin...

Страница 9: ...To output the internal HD VD signals on pin 6 and 7 the internal switch SW1 1 and 1 2 on the PK8342A board should be set ON The output is TTL level from a 75 Ohm source Fig 14 below shows the switch positions To use this mode Set function SW 1 on PK8342A to IN for external VD HD input Factory default SW 2 on PK8342A to 75 Ω for termination of VD HD SW 2 on PK8342A to TTL for TTL level for VD HD Fa...

Страница 10: ...re will be equal the frame time If external synchronizing is used input external HD and VD signals To use this mode Set function Trigger mode TR 0 Shutter mode Normal or Programmable SM 0 SM 1 Shutter Speed SH 0 through 15 Programmable exposure PE 1 through 1023 Input Ext VD on pin 7 on 12 pin connector If used Ext HD on pin 6 on 12 pin connector If used Important notes on using this mode External...

Страница 11: ...trigger to HD as shown in fig 17 below The trigger level translations should be placed inside the 8 4 µseconds In PWC mode TR 2 and Frame Delay readout TR 3 the accumulation mode HC can be set to asynchronous accumulation HC 1 The exposure will start immediately at the leading edge of the trigger pulse without waiting for the HD Fig 19 below In Edge pre select TR 1 and smearless TR 6 the shutter m...

Страница 12: ...nector or pin 11 on 12 pin connector Ext HD to pin 6 on12 pin connector If used Important notes on using this mode The start of exposure will start synchronized to the internal H signal The start may be shifted max 1H To avoid this shift 1 H jitter synchronize the camera to an external HD and make sure that the trigger pulse aligns to the HD as shown in fig 17 The duration of the trigger should be...

Страница 13: ...y and other functions Input Ext trigger to pin 5 on 6 pin connector or pin 11 on 12 pin connector Ext HD to pin 6 on12 pin connector If used Important notes on using this mode With HC 0 the start of exposure will start synchronized to the internal H signal The start may be shifted max 1H To avoid this shift 1 H jitter synchronize the camera to an external HD and make sure that the trigger pulse al...

Страница 14: ...is mode Set function Trigger mode Frame delay read out TR 3 H accumulation HC 0 or HC 1 Polarity and other functions Input Ext trigger to pin 5 on 6 pin connector or pin 11 on 12 pin connector Ext VD to pin 7 on 12 pin connector Ext HD to pin 6 on12 pin connector If used Important notes on using this mode With HC 0 the start of exposure will start synchronized to the internal H signal the start of...

Страница 15: ...follow the camera scan system The long time exposure is a continuous process where each external VD pulse will synchronize the camera stop an exposure start a new exposure and read out the previous accumulated video signal A WEN pulse indicates that the resulting video is being read out To use this mode Set function Trigger mode Long Time Exposure TR 4 Polarity and other functions Input Ext VD to ...

Страница 16: ...TR 5 Polarity and other functions Input Ext trigger to pin 5 on 6 pin connector or pin 11 on 12 pin con Ext VD to pin 7 on 12 pin connector Ext HD to pin 6 on12 pin connector If used Important notes on using this mode The start of exposure will start synchronized to the internal H signal The start may be shifted max 1H To avoid this shift 1 H jitter synchronize the camera to an external HD and mak...

Страница 17: ...mearless read out TR 6 Shutter mode Normal or Programmable SM 0 SM 1 Shutter Speed SH 0 through 9 Programmable exposure PE 1 through 1023 Polarity and other functions Input Ext trigger to pin 5 on 6 pin connector or pin 11 on 12 pin connector Ext HD to pin 6 on12 pin connector If used Important notes on using this mode The start of exposure will start synchronized to the internal H signal The star...

Страница 18: ...tput signal 7 Configuring the Camera 7 1 RS 232C control All configuration of the A1 camera is done via the RS 232C port The camera can be set up from a PC running terminal emulator software or using JAI s camera control software Below is the description of the ASCII based short command protocol Communication setting Baud Rate 9600 bps Data Length 8 bit Start Bit 1 bit Stop Bit 1 bit Parity None X...

Страница 19: ...cumulation a sync only for TR 1 and TR 3 C Signals and polarity SO Sync signal SO Param CR LF 0 no sync 1 sync on video PC Pixel clock PC Param CR LF 0 no clock out 1 clock out Should be off when not used EW EEN WEN EW Param CR LF 0 EEN out 1 WEN out Pin 6 on 6 pin TP Trigger polarity TP Param CR LF 0 active low 1 active high 2 WP WEN polarity WP Param CR LF 0 active low 1 active high D Gain and a...

Страница 20: ...ols For the integrator and experienced user the Camera Control Tool is much more than a program with a window interface It also provides an easy and efficient ActiveX interface built for MS Windows 98 ME NT and 2000 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 progra...

Страница 21: ...ative pin configuration for M series camera emulating is shown below Pin Function JP2 JP3 JP5 JP1 JP4 Remarks 9 PCLK out Short Factory default setting EIA J standard 9 No connection Open 10 WEN out Open Short Factory default setting EIA J standard 10 Ground Short Open 11 Ext trigger in Open Short Factory default setting EIA J standard 11 12 Volt in out Short Open Warning 12 volt power out here Fus...

Страница 22: ...gger H synchronized H non synchronized in PWC and frame delay only Shutter speed Fixed Full frame only 1 16 1 30 1 60 1 100 1 250 1 500 1 1000 1 2000 1 4000 1 8000 1 20 000 1 40 000 1 80 000 1 120 000 1 160 000 1 200 000 second Shutter speed in trigger modes Max 1 8000 second 1 12 000 for settings 1 20 000 Programmable exposure 1 3 H to 1023 3 H in 1 H step Pulse width control 1 3 H to 2000 H Long...

Страница 23: ...ges of jumper and switch setting 10 2 Typical CCD Characteristics The following effects may be observed on the video monitor screen They do not indicate any fault of the CCD camera but do associate with typical CCD characteristics V Smear Due to an excessive bright object such as electric lighting sun or strong reflection vertical smear may be visible on the video monitor screen This phenomenon is...

Страница 24: ...anual are trademarks or registered trademarks of their respective owners JAI A S cannot be held responsible for any technical or typographical errors and reserves the right to make changes to products and documentation without prior notification JAI A S Denmark Phone 45 4457 8888 Fax 45 4491 8880 www jai com JAI Corporation Japan Phone 81 45 440 0154 Fax 81 45 440 0166 www jai corp co jp JAI UK Lt...

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