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SVS-Vistek CoaXPress fxo540 Manual

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Manual FXO series
CoaXPress
fxo540, fxo541, fxo542, fxo545, fxo546, fxo547, fxo990

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Summary of Contents for SVS-Vistek CoaXPress fxo540

  • Page 1 Manual FXO series CoaXPress fxo540, fxo541, fxo542, fxo545, fxo546, fxo547, fxo990...

  • Page 2: Table Of Contents

    Content Company information Standards Disclaimer Copyright notice Legal information USA and Canada Europe The FXO CoaXPress-12 features (CoaXPress 2.0) 4I/O adds light and functionality Lens control 3.3.1 Use liquid lens on C-mount 3.3.2 Use of Canon lenses Getting started Get help Find camera specs Power supply 4.3.1...
  • Page 3 Feature description Basic features 6.1.1 Gain 6.1.2 Resolution 6.1.3 Offset 6.1.4 Color 6.1.5 Flip image 6.1.6 Binning 6.1.7 Decimation 6.1.8 GenICam 6.1.9 Trigger modes 6.1.10 Shutter modes 6.1.11 Exposure 6.1.12 Exposure speed 6.1.13 Auto exposure 6.1.14 Acquisition and processing time 6.1.15 Bit depth 6.1.16...
  • Page 4 6.3.11 Prescale Dimensions C-mount fxo540, fxo541, fxo542, fxo545, fxo546, fxo547 fxo990 Appendix I/O driver circuit schematics...

  • Page 5: Company Information

    The product in your possession has been produced with great care and has been thoroughly tested. Nonetheless, in case of any complaint, please contact your local SVS-VISTEK distributor. You will find a list of distributors in your area www.svs-vistek.com 1 Company information...

  • Page 6: Copyright Notice

    Copyright notice Forwarding and duplicating of this document, as well as using or revealing its contents are prohibited without written approval. All rights reserved with regard to patent claims or submission of design or utility patent. 1 Company information...

  • Page 7: Legal Information

    Customers, integ- rators and end users of SVS-Vistek products might sell these products and agree to do so at their own risk, as SVS-Vistek will not take any liability for any damage from improper use or sale.

  • Page 8: The Fxo

    The FXO The FXO is a camera series designed for high-end machine vision with a C- mount connection. Only Sony image sensors with excellent optical performance and high bandwidth are used in the FXO. Advanced electronic circuitry, an excellent temperature management and low power dissipation make the basis for optimal performance of even the most demanding image sensors.
  • Page 9 Your SVS-Vistek camera is equipped with the innovative 4I/O-interface allowing full light control, replacing external strobe controllers. Each of the outputs can be individually configured and managed using pulse width modulation. With its high current output, the camera is able to drive LED lights directly without external light controller.

  • Page 10: Lens Control

    Various SVCam models are supporting adjustable lenses. Focus and iris of the lens can be controlled from within the camera GenICam tree. A special Y-cable might be required, contact sales@svs-vistek.com. The following variable lens types are currently supported: MFT (Micro Four Thirds) lenses (in Tracer series) have full support of lens focus, iris and zoom.

  • Page 11: Use Of Canon Lenses

    Disadvantages of liquid lenses Limited resolution High chromatic aberration Any acceleration (gravitational as well as acceleration from move- ment) might increase spherical aberration as long as the force is work- ing (will disappear if force has ceased within several 10ms) 3.3.2 Use of Canon lenses We are supporting Canon EF lenses.

  • Page 12: Getting Started

    You can put your support request to us via our support form: https://www.svs-vistek.com/en/support/svs-support-request.php Please fill the form with special attention to camera model, frame grabber model and operating system. Our support team will come back to you.

  • Page 13: Camera Status Led Codes

    INFO When using your own power supply (voltage range 10 -25 V DC), see also Hirose 12-pin layout of the power connector. For power input specifications refer to specifications. Generally external power supply for USB3 Vision, CoaXPress (if PoCXP enabled) or PoE cameras is not needed. Nonetheless, you might want to use a separate power on the Hirose connector to reduce load on the data port.

  • Page 14: Software And Firmware

    C/C# programming libs and interface SVCapture 2.x is a GenICam/XML based software tool provided for free. It is created to show the capabilities of your SVS-Vistek camera and to show/modify values to your cam. Get control of exposure timing, trigger delay, image correction etc. or control up to 4 LED lights connected to the SVCam directly via "GenICam"...
  • Page 15 Fig.: 4-2: Screenshot of SVCapture 2.x: GenICam tree and current image Setup of SVCapture2 Installation procedure may differ from PC to PC. It is recommended to install the whole software package. For this step it is necessary to have root access to your computer.
  • Page 16 SVS-Vistek driver with third party software. 4. In case of system warnings regarding modification of USB3 drivers or GigE/10GigE filter drivers: The specified performance is possible only with these highly optimized drivers. Accept these modifications. Initialization First launch 1. Connect the camera to your computer. In case of a new USB3 camera driver hardware installation notice will pop up.
  • Page 17 2. Start SVCapture. SVCapture will try to discover your camera. 3. Click on the camera being found and you’re connected. Depending on your interface type, with TL Settings you are able to adjust which interface types should be included in the camera discover process. INFO If you have installed third-party GenTL drivers (e.g.
  • Page 18 4. Find and adjust your camera features in the GenICam tree. Click and adjust items by number (1.) or slider (2.) and start grabbing images from the camera. USB 3.0 driver You can find the USB 3.0 driver which has been installed automatically within the hardware manager: 4 Getting started...

  • Page 19: Software Development Kit

    C:\Program Files\SVS-VISTEK GmbH\SVCam Kit\SDK INFO Refer to the “Getting started with SDK” manual for first steps in programming your SVS-Vistek camera. This document should be included in the docs sec- tion of your installation. The following platforms are supported: X86 (Windows, Linux, MacOS support on request)

  • Page 20: Connectors

    Connectors Cameras from SVS-Vistek feature a combined I/O and power supply connector (Hirose) and a data connector. CoaXPress-12 CoaXPress-12 (or CoaXPress 2.0) supports a bandwidth of up to 12.5 Gbit/s per line. The connector is a µBNC connector, which is different to CoaXPress-6 connectors.

  • Page 21: Hirose I/O Connector

    Hirose I/O connector The Hirose™ connector provides power, input and output signal access. Max power out is 2 Amperes peak. Fig.: 5-1: I/O Hirose connector layout Inputs and outputs connect via 4I/O-matrix in the GenICam software tree to the appropriate actions. For detailed information about switching lights with the power outputs via GenICam, refer to "LED strobe control"...

  • Page 22: Feature Description

    This chapter covers features of SVCam cameras. Not every feature might be supported by your specific camera model. For information about the features of your specific model, please refer to the specifications area of our website with your exact model. https://www.svs-vistek.com/en/industrial-cameras/svs-svcam-searchresult.php Basic features 6.1.1 Gain Setting gain above 0 dB (default) is a way to boost the signal coming from the sensor.

  • Page 23: Resolution

    Auto gain For automatic adjustment of gain refer to auto exposure (see "Auto exposure" on page 40). When using auto-gain with steps of gain the noncontinuous gain adjustment might be visible in final image. Depending on your application it might be prefer- able to use fixed gain values instead and modify exposure with exposure time.
  • Page 24 6 Feature description...

  • Page 25: Color

    6.1.4 Color Color cameras are identical to the monochrome versions. The color pixels are transferred in sequence from the camera, in the same manner as the mono- chrome, but considered as “raw”-format. Fig.: 6-3: Sensor with Bayer pattern The camera sensor has a color mosaic filter called “Bayer” filter pattern named after the person who invented it.

  • Page 26: Flip Image

    6.1.5 Flip image Images can be mirrored horizontally or vertically. Image flip is done inside the memory of the camera, therefore not increasing the CPU load of the PC. Fig.: 6-4: Original image Fig.: 6-5: Horizontal flip 6 Feature description...

  • Page 27: Binning

    Fig.: 6-6: Vertical flip 6.1.6 Binning Binning provides a way to enhance dynamic range, but at the cost of lower res- olution. Binning combines electron charges from neighboring pixels directly on the chip, before readout. Binning is only used with monochrome CCD Sensors. For reducing resolution on color sensors refer to "Decimation"...

  • Page 28: Decimation

    Horizontal binning Accumulates horizontal pixels. Fig.: 6-8: Horizontal binning 2×2 Binning A combination of horizontal and vertical binning. When DVAL signal is enabled only every third pixel in horizontal direction is grabbed. Fig.: 6-9: 2x2 binning 6.1.7 Decimation For reducing width or height of an image, decimation can be used. Columns or rows can be ignored.
  • Page 29 Fig.: 6-10: Horizontal decimation Fig.: 6-11: Vertical decimation Decimation on color sensors The Bayer pattern color information is preserved with 1/3 horizontal and vertical resolution. The frame readout speed increases approx. by factor 2.5. Fig.: 6-12: Decimation on color sensors 6 Feature description...

  • Page 30: Genicam

    With your SVCam, the GenICam tree does have some hardware related exten- sions, especially in the I/O sector. See the Quick guide install for a short intro- duction into the SVS-Vistek GenICam tree. The GenICam properties are organized in views. The recommended way to view and adjust is by using SVCapture.

  • Page 31: Trigger Modes

    Default input is Input1 for trigger. At the rising edge of the trigger the camera will initiate the exposure. The software provided by SVS-Vistek allows the user to set exposure time e.g. from 60 μs to 60 sec (camera type dependent).
  • Page 32 Exposure time can be changed during operation. No frame is distorted during switching time. If the configuration is saved to the EEPROM, the set exposure time will remain also when power is removed. Details of external trigger mode Diagrams below are equivalent for CCD and CMOS technique. 6 Feature description...
  • Page 33 6 Feature description...

  • Page 34: Shutter Modes

    6.1.10 Shutter modes CCD and CMOS area cameras consist of pixels, ordered in lines and columns. All pixel are exposed to light and then read out to camera electronics. There is a difference of reading out the sensor between global and rolling shutter. Espe- cially flashing and moving objects might need more attention with rolling shut- ter.
  • Page 35 interface). Nonetheless, the maximum achievable frame rate with applied ROI will be the maximum frame rate of the sensor reading the full sensor area (internal full sensor speed), please refer to relating sensor specs. Artifacts All pixel show same artifacts Deformed image of moving objects Exposure with flash Fig.: 6-13: flash control with rolling shutter...
  • Page 36 Light control with rolling shutter As being said, not all sensor lines are sensitive to light at the same time. Make sure your light is ON as long any pixel are going to e exposed. An exo183xGE i.e. needs about 62ms of minimal scanning time. An exo183xCL i.e. needs about 120ms of minimal scanning time.
  • Page 37 Rolling shutter limitations Due to the principles of rolling shutter, some standard features of SVS-Vistek cameras are not applicable. External exposure control (expose while trigger signal active) does not make sense with rolling shutter ROI with rolling shutter: With rolling shutter the whole sensor has to be read out –...
  • Page 38 Global reset release mode is a special mode to operate rolling shutter sensors. With the exception of the hr120, all rolling shutter cameras from SVS-Vistek GmbH can be operated in Global Reset Release mode. Global reset release shows advantages when operating light sources in non-constant light situ- ations.

  • Page 39: Exposure

    Global reset release mode setup make sure of no external (constant) light source use flash only for object illumination set camera to global reset release mode start exposure time together with flash (flash strobe in darkness) When flashing in global reset mode, the flash time will define the exposure time. Thus, an very time-stable flash control is essential.

  • Page 40: Exposure Speed

    6.1.12 Exposure speed Frames per second, or frame rate describes the number of frames output per second (1/ frame time). Especially GigE and USB cameras cannot guarantee predictable maximum frame rates with heavy interface bus load. Maximum frame rate might depend on: Pixel clock Image size Tap structure...

  • Page 41: Bit Depth

    On the other hand, while processing and transferring the image the sensor might capture already the next frame. 6.1.15 Bit depth Values of brightness are internally represented by numbers. The number of bits for brightness representation is limiting the number of color values that can be represented.
  • Page 42 image quality, but the image needs to be unpacked (with an SVCam SDK func- tion, very fast) after image acquisition before the image can be processed. NOTICE Unpacking has to be done manually, this is not a GenTL function. Thus, image acquisition in packed formats won’t be supported by most 3 party software products.
  • Page 43 The red 8 bit curve above is the result of the sensor 12 bit capacity with the used 8 bit range. The black 12 bit curve is an applied linear 12-to-8 bit look-up table. 6 Feature description...

  • Page 44: Roi / Aoi

    6.1.16 ROI / AOI In partial scan mode or Area-Of-Interest (AOI) mode (or Region-Of-Interest (ROI) mode) only a certain region of the sensor will be read. Fig.: 6-18: AOI on area sensor Selecting an AOI will reduce the number of horizontal lines being read. This will reduce the amount of data to be transferred, thus increasing the maximum speed in terms of frames per second.

  • Page 45: Camera Features

    Camera features The camera features of the FXO series CoaXPress are defined by the com- bination of its electronics and firmware features. Firmware features can be upgraded with new firmware releases. 6.2.1 Color Transformation Control INFO The Color Transformation Tool is available only for color cameras. Use your model specification whether your model is covered with the latest firmware.
  • Page 46 histograms of same image as above without and with color transformation D50 The color matrix The conversion of each pixel is done using a matrix of gain values and a 1x3 off- set matrix O. The offset matrix is an integer matrix. All gain values are FLOAT values.

  • Page 47: Shading Correction

    Table: 6-3: color matrix fxo540, light D65 Using the Color Transformation Tool As the color transformation is done in the camera FPGA, the adjustment is done in the GenICam tree: 1. Activate color transformation by Color Transformation Enable On 2. Specify the desired light temperature with the Color Transformation Selector (the values for D50, D65, LT84, A are optimized for the sensor of the respective camera and cannot be changed)
  • Page 48 This shading can be caused by non-uniform illumination, non-uniform camera sensitivity, vignetting of the lens, or even dirt and dust on glass surfaces (lens). Shading correction is a procedure to create a flatfield image out of a non-uni- form image regardless of the reasons of the non-uniformity. Before doing shad- ing correction, make sure your lens is clean and in perfect condition.
  • Page 49 How it works The tool will divide the image into squares of 16x16 pixel. Out of every 16x16 pixel cluster a set of shading values consisting of specific gain and offset per cluster is calculated. The resulting map can be uploaded into the camera and will compensate for any shading, lens-based or based on illumination.
  • Page 50 2. With SVCapture load these reference images. 3. See shading in the preview 4. Generate the shading map 5. Save map to disk. This file can be used in programmed environments via SDK as well. 6. Upload it to the camera and see the result. If lighting did not change from start of procedure, you should see a uniform image with enabled shading control.

  • Page 51: Defect Pixel Correction

    The amount of hot pixels is proportional to exposure time and temperature of the sensor. By default, all known defect pixels or clusters are corrected by SVS-VISTEK as a factory default. Under challenging conditions or high temperature environments defect pixel behaviour might change.
  • Page 52 Fig.: 6-21: Illustration of a defect pixel Procedure of pixel correction SVCapture is the tool to generate pixel correction maps. The pixel correction assistant provides everything to create, load, enable and restore defect pixel creation maps. Defect pixel correction is possible with certain models only. See camera specs whether your model does support this.
  • Page 53 For easy image processing, it is recommended to have pixel correction activated Pixel correction maps can be saved and loaded The std factory map can be selected any time Generate your own custom map Select your own defect pixel map The procedure to create a std map is pretty straight forward.
  • Page 54  1.  Load black images (16 images minimum) into generator  2.  Generate map  3.  Save map to file for later usage  4.  Upload the map to the camera. Make sure pixel correction is activated. Procedure of pixel correction SVCapture is the tool to generate pixel correction maps. The pixel correction assistant provides everything to create, load, enable and restore defect pixel creation maps.
  • Page 55 For easy image processing, it is recommended to have pixel correction activated Pixel correction maps can be saved and loaded The std factory map can be selected any time Generate your own custom map Select your own defect pixel map The procedure to create a std map is pretty straight forward.

  • Page 56: Look-Up Table

    6.2.4 Look-up table The look-up table feature (LUT) lets the user define certain values to every bit value that comes from the ADC. To visualize a LUT a curve diagram can be used, similar to the diagrams used in photo editing software.
  • Page 57 Historically gamma correction was used to correct the illumination behavior of CRT displays, by compensating brightness-to-voltage with a gamma value between 1,8 up to 2,55. The gamma algorithms for correction can simplify resolution shifting as shown seen below. Input & output signal range from 0 to 1 Gamma Output-signal = Input-signal Fig.: 6-23: Several gamma curves comparable to a LUT...

  • Page 58: Roi / Aoi

    6.2.5 ROI / AOI In partial scan mode or Area-Of-Interest (AOI) mode (or Region-Of-Interest (ROI) mode) only a certain region of the sensor will be read. Fig.: 6-24: AOI on area sensor Selecting an AOI will reduce the number of horizontal lines being read. This will reduce the amount of data to be transferred, thus increasing the maximum speed in terms of frames per second.

  • Page 59: Basic Capture Modes

    6.2.6 Basic capture modes The camera has 2 basic operation modes. Free run (timed) run: The camera will expose and deliver images on a fixed schedule. Triggered: The camera will wait for an external signal and start exposure after receiving the external trigger signal.

  • Page 60: Read-Out Control

    Fig.: 6-26: Basic capture modes - triggered mode (pulse width with overlap) Exposure time of the next image can overlap with the frame readout of the cur- rent image (rising edge of trigger pulse occurs when FVAL is high). When this happens: the start of exposure time is synchronized to the falling edge of the LVAL signal.

  • Page 61: Temperature Sensor

    6.2.8 Temperature sensor A temperature sensor is installed on the main board of the camera. To avoid overheating, the temperature is constantly monitored and read. Besides soft- ware monitoring, the camera indicates high temperature by a red flashing LED (see flashing LED codes). 6.2.9 Fan control The camera has a built-in fan that is set to automatic mode by default.

  • Page 62: System Clock Frequency

    6.2.10 System clock frequency Default system clock frequency in almost every SVCam is set to 66.6 MHz. To validate your system frequency refer to: specifications. Using the system clock as reference of time, time settings can only be made in steps.

  • Page 63: Glass Filter

    Reset to factory default User sets can be reset to factory settings. This is a two-step process. First, the factory settings must be loaded: Afterwards this factory default user set must be saved again as user set (in the example below, user set 2 is overwritten with the factory settings). 6.2.12 Glass filter The camera is equipped with a glass filter for sensor protection reasons (dust).
  • Page 64 Fig.: 6-29: Sequence of exposure in PIV mode For avoiding different image brightness as a result of different exposure times of both images, it is recommended to work in darkness and control image bright- ness via strobe light intensity and strobe duration. Gap adjustment is done by positioning strobe in the exposure windows.

  • Page 65: I/O Features

    With your SVCam, the GenICam tree does have some hardware related exten- sions, especially in the I/O sector. See the Quick guide install for a short intro- duction into the SVS-Vistek GenICam tree. The GenICam properties are organized in views. The recommended way to view and adjust is by using SVCapture.

  • Page 66: Assigning I/O Lines - Iomux

    NOTICE All modfications in the GenICam tree will have immediate effect. 6.3.2 Assigning I/O Lines – IOMUX The IOMUX is best described as a switch matrix. It connects inputs, and outputs with the various functions of SVCam I/O. It also allows combining inputs with Boolean arguments.
  • Page 67 LineSelector Translation Line18 Pulse0 Line19 Pulse1 Line20 Pulse2 Line21 Pulse3 Line22 Uart2 In The input and output lines for Strobe and Trigger impulses can be arbitrarily assigned to actual data lines. Individual assignments can be stored persistently to the EPROM. Default setting can be restored from within the Camera. INFO Refer to pin-out in input / output connectors when physically wiring.
  • Page 68 Input vector to switch matrix Name Description io_in(0) trigger input 0 – 24 Volt / RS-232 / opto * io_in(1) trigger input 0 – 24 Volt / RS-232 / opto * io_in(2) trigger input 0 – 24 Volt / RS-232 / opto * io_in(3) trigger input 0 –...
  • Page 69 Output vector from switch matrix Name / register Description io_out(0) output open drain io_out(1) output open drain io_out(2) output open drain * io_out(3) output open drain * io_txd output, when debug='0' rxd_to_uart1 output (uart_in) trigger output sequenzer_hw_trigger input to module iomux_sequenzer_0 debounce input input to module iomux_dfilter_0 prescale input...
  • Page 70 Example of an IOMUX configuration Fig.: 6-31: Example of an IOMUX configuration The trigger signal comes in on line 0 Debounce it. connect line 0 to 8: 1000000000000000000000000 signal appears again on line 15 – debouncer out Use the prescaler to act only on every second pulse. connect line 16 to 9.
  • Page 71 Inverter The inverter enabled at a certain line provides the reverse signal to or from a module. Set to “1” With set to “1” enabled in a certain line, this line will provide a high signal no mat- ter what signal was connected to the line before. Set to “1”...
  • Page 72 6.3.3 During Pulse Width Modulation (PWM), a duty cycle is modulated by a fixed fre- quency square wave. This describes the ratio of ON to OFF as duty factor or duty ratio. Why PWM? Pulse width modulation is an extremely efficient way (in terms of power dis- sipation) to provide/regulate electrical power to consumers as long as they do not need uninterrupted supply (such as diodes or LEDs).
  • Page 73 Fig.: 6-32: PWM intensity Examples of PWMs The integrals over both periods are equal. An equal amount of Photons will be emitted. The intensity of light is the same. The periods are equal in length. 6 Feature description...
  • Page 74 Fig.: 6-33: Example: 25% PWM load Fig.: 6-34: Example: 50% PWM load 6 Feature description...
  • Page 75 Fig.: 6-35: Example: 75% PWM load The PWM module Fig.: 6-36: The PWM module 6 Feature description...

  • Page 76: Led Strobe Control

    6.3.4 LED strobe control The SVCam 4I/O concept contains an integrated strobe controller. Its controls are integrated into the GenICam tree. With LED lights attached to the outputs, this enables the user to control the light without external devices. Being con- trolled via GenICam, any GenICam-compliant 3 party software is able to con- trol the light as well.
  • Page 77 Total power ( 2,75 W Power at LEDs ( 3,25 W Power loss at resistor ( Table: 6-5: Example Calculation “No Flash” (CW Mode) LEDs in flash mode Most LED lights can cope with currents higher than specs. This gives you higher light output when light is ON.

  • Page 78: Sequencer

    6.3.5 Sequencer The sequencer is used when different exposure settings and illuminations are needed in a row. Values to set Description Sequencer interval Duration of the interval Exposure start Exposure delay after interval start Exposure stop Exposure stop related to interval Start Strobe start Strobe delay after interval start Strobe stop...
  • Page 79 I/O matrix 4 images to be taken (RGBW) result in 4 sequences RGB PWM change with different intensities (duty cycle) taking care for dif- ferences in spectral response of the camera sensor PWM change 0-2 is connected to out 0-2 Seq pulse A is driving the exposure (trigger) Seq pulse B is driving the strobe Seq pulse B in WHITE sequence is reduced down to 33% as light intens-...
  • Page 80 Values to set in GenICam prop- Interval 0 Interval 1 Interval 2 Interval 3 erties (RED) (GREEN) (BLUE) (WHITE) Sequencer Interval 66666667 tic 66666667 tic 66666667 tic 66666667 tic (1000 ms) (1000 ms) (1000 ms) (1000 ms) 0 tic 0 tic 6666667 tic 0 tic Seq pulse A start...
  • Page 81 Sequencer setup with SVCapture Starting with SVCapture 2.5.2, there is a sequencer assistant, providing easy setup of the sequencer settings. The assistant will help you to setup timings for start exposure and lighting and so on. The PWMs are connected to the physical outputs (e.g.
  • Page 82 Feature name Feature value Acquisition Control - Continuous Acquisition Mode Acquisition Control – Trigger Selector - Trigger Mode Acquisition Control – Line 1 Trigger Selector - Trigger Source Acquisition Control – Trigger Selector – Trigger Width Exposure Mode Enhanced IO – PWMEnable Enhanced IO –...

  • Page 83: Optical Input

    If your camera trigger is in the ms range or slower, we recommend to use the optical input. An optical input needs some current for operation. The SVS-Vistek optical input is specified to 5-24 V, 8 mA. Fig.: 6-39: Optical input The optocoupler galvanically separates electrical circuits by emitting light on one side and interpreting light in the other.
  • Page 84 Do it in the GenICam tree The logic function always combines the values of Digital IO InputA/LogicA and InputB/LogicB. In case of the Trigger enable logic function, LogicB is the trigger enable signal and will be combined with LogicA value. NAND XNOR A B Y...

  • Page 85: Serial Data Interfaces

    6.3.8 Serial data interfaces (ANSI EIA/) TIA-232-F RS-232 and RS-422 (from EIA, read as Radio Sector or commonly as Recom- mended Standard) are technical standards to specify electrical characteristics of digital signaling circuits. Serial connection might be used to control SVCams. These signals are used to send low-power data signals to control exposure, light or lenses (MFT).

  • Page 86: Trigger-Edge Sensitivity

    6.3.9 Trigger-edge sensitivity Trigger-edge sensitivity is implemented by a “Schmitt trigger”. Instead of trig- gering to a certain value, the Schmitt trigger provides a threshold. Fig.: 6-41: Schmitt trigger noise suppression 6 Feature description...

  • Page 87: Debouncing Trigger Signals

    6.3.10 Debouncing trigger signals Bounces or glitches caused by a switch can be avoided by software within the SVCam. Fig.: 6-42: Bounces or glitches caused by a switch Therefore the signal will not be accepted until it lasts at least a certain time. >...
  • Page 88 Input 1 debounce time here is about 1ms. The debouncer module Fig.: 6-44: The debouncer module 6 Feature description...

  • Page 89: Prescale

    6.3.11 Prescale The Prescale function can be used for masking off input pulses by applying a divisor with a 4-bit word, resulting in 16 unique settings. Reducing count of interpreted trigger signal Use the prescale function to ignore a certain count of trigger signals. Divide the amount of trigger signals by setting a divisor.

  • Page 90: Dimensions

    Dimensions INFO All length units in mm. Find the technical drawings in the web download area at https://www.svs-vistek.com/en/support/svs-support-download-center.php CAD step files available with valid login at SVS-VISTEK.com C-mount C-mount back focus distance from sensor to lens is 17.526 mm. The camera is fitted with a standard C-mount threading.

  • Page 91: Fxo540, Fxo541, Fxo542, Fxo545, Fxo546, Fxo547

    fxo540, fxo541, fxo542, fxo545, fxo546, fxo547 7 Dimensions...
  • Page 92 7 Dimensions...
  • Page 93 7 Dimensions...

  • Page 94: Fxo990

    fxo990 7 Dimensions...
  • Page 95 7 Dimensions...
  • Page 96 7 Dimensions...

  • Page 97: Appendix

    Appendix I/O driver circuit schematics Camera power supply and power supply for PWM out is 25V max. Power for  PWM out has to be supplied via Hirose connector. The open drain outputs  are ledged to ground, that means you connect your LED on the positive side  to your (light-)power source, the negative LED connector goes to the camera  out. This setup requires common ground. Fig.: 8-1: I/O driver circuit schematics 8 Appendix...
  • Page 98 SVS-Vistek GmbH Ferdinand-Porsche-Str. 3 82205 Gilching Phone: +49 (0) 8105 3987-60 https://www.svs-vistek.com info@svs-vistek.com © March, 2022...

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