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VC-5MC-M/C110H User's Manual

Page 55 of 109

8.7.1

Increasing the Maximum Allowed Frame Rate

You may find that you would like to acquire frames at a rate higher than the maximum allowed
with the camera’s current settings. In this case, you must adjust one or more of the factors that
can influence the maximum allowed frame rate and then check to see if the maximum allowed
frame rate has increased.



The time that it takes to transmit a frame out of the camera is the main limiting factor on the frame
rate. You can decrease the frame transmission time (and thus increase the maximum allowed
frame rate) by using the ROI feature. Decreasing the size of the Image ROI may increase the
maximum allowed frame rate. If possible, decrease the height and/or width of the Image ROI.



If you are using a Device Tap Geometry with a low number of taps, consider using a Device Tap
Geometry with a high number of taps. This will usually increase the maximum allowed frame rate.



If you are using normal exposure times and you are using the camera at its maximum resolution,
your exposure time will not normally restrict the frame rate. However, if you are using long exposure
time, it is possible that your exposure time is limiting the maximum allowed frame rate. If you are
using a long exposure time, try using a shorter exposure time and see if the maximum allowed frame
rate increases (You may need to compensate for a lower exposure time by using a brighter light
source or increasing the opening of your lens aperture.).

Note:

A very long exposure time severely limits the camera’s maximum allowed frame rate. As an

example, assume that your camera is set to use a 1 second exposure time. In this case, because

each frame acquisition will take at least 1 second to be completed, the camera will only be

able to acquire a maximum of one frame per second.

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Содержание VC Series

Страница 1: ...English VC 5MC M110H VC 5MC C110H VC series User Manual...

Страница 2: ......

Страница 3: ...es other than Vieworks Vieworks is not responsible for any of these links The copyrights of the materials mentioned herein are owned by each respective author Although Vieworks made every effort to en...

Страница 4: ......

Страница 5: ...ng the product Make sure to check whatever a professional engineer has finished installation and configuration Make sure to keep this manual at hand as a reference while using the product This manual...

Страница 6: ...as follows The menu and icon names in this manual are used as displayed in the product The menu and icon names are marked in this font Button or keyboard key names are marked in this font Warning Cau...

Страница 7: ...ble of Contents in this manual Configurator The Configurator program from a seller for offering ease of use to control the camera on Windows Frame grabber An computer board for high resolution image p...

Страница 8: ......

Страница 9: ...chanical Specification 26 Chapter 6 Connecting the Camera 27 6 1 Precaution about Blurring Compared to the Center 28 6 2 Controlling the Camera 28 Chapter 7 Camera Interface 29 7 1 General Description...

Страница 10: ...Exposure Time 50 8 5 Overlapping Exposure with Sensor Readout 51 8 6 Global Shutter 53 8 7 Maximum Allowed Frame Rate 54 8 7 1 Increasing the Maximum Allowed Frame Rate 55 Chapter 9 Camera Features 56...

Страница 11: ...82 9 20 Device Link Throughput Limit 84 9 21 Device User ID 84 9 22 Device Reset 84 9 23 Field Upgrade 85 9 24 User Set Control 85 Chapter 10 Camera Configuration 87 10 1 Serial Communication 87 10 2...

Страница 12: ...Table 9 4 XML parameters related to Multi ROI 59 Table 9 5 XML Parameter related to Device Tap Geometry 62 Table 9 6 Commands related to Camera Link Pixel Clock Speed 63 Table 9 7 XML Parameter relate...

Страница 13: ...to Reverse X 82 Table 9 24 XML Parameter related to Reverse Y 82 Table 9 25 XML Parameter related to Device Link Throughput Limit 84 Table 9 26 XML Parameter related to Device User ID 84 Table 9 27 X...

Страница 14: ...3 Figure 8 1 Exposure Start Triggering 36 Figure 8 2 Frame Acquisition with Software Trigger Signal 42 Figure 8 3 External Trigger Delay 45 Figure 8 4 Timed Exposure Mode 46 Figure 8 5 Trigger Overlap...

Страница 15: ...imer Signal 77 Figure 9 14 Grey Horizontal Ramp 80 Figure 9 15 Grey Diagonal Ramp 81 Figure 9 16 Grey Diagonal Ramp Moving 81 Figure 9 17 Sensor Specific 81 Figure 9 18 Original Image 82 Figure 9 19 R...

Страница 16: ......

Страница 17: ...oid installing and operating in an extreme environment where vibration heat humidity dust strong magnetic fields explosive corrosive mists or gases are present Do not apply excessive vibration and sho...

Страница 18: ...camera front or no lens mounted Procedures for Cleaning the Sensor If you have dust or foreign matter on the sensor surface follow the procedures below to wipe off 1 Remove a contaminant by using an i...

Страница 19: ...anual Page 19 of 109 Chapter 2 Warranty Do not open the housing of the camera The warranty becomes void if the housing is opened For information about the warranty please contact your local dealer or...

Страница 20: ...y energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to c...

Страница 21: ...VC 5MC M C110H User s Manual Page 21 of 109 Chapter 4 Package Components Package Components A camera in the VC 5MC M C110H...

Страница 22: ...applications Equipped with the Vieworks innovative technologies proved by world s top FPD manufacturers the VC 5MC M C110H cameras offer not only highly uniformed images but also high speed image pro...

Страница 23: ...4 1 fps at 16 Lines in 8 bit Pixel Data Format Mono Mono 8 10 12 bit Color RG Bayer 8 10 12 bit Electronic Shutter Global Shutter Digital Gain 1 32 Digital Black Level 0 255 LSB at 12 bit 1 LSB step E...

Страница 24: ...rol logic The Micro Controller receives commands from the user through the Camera Link interface and then processes them The Processing Control logic processes the image data received from the CMOS im...

Страница 25: ...25 of 109 5 4 Spectral Response The following graphs show the spectral response of the color and monochrome cameras in the VC 5MC M C110H Figure 5 2 Spectral Response for VC 5M 8M Series Figure 5 3 Sp...

Страница 26: ...VC 5MC M C110H User s Manual Page 26 of 109 5 5 Mechanical Specification The camera dimensions in millimeters are shown in the following figure Figure 5 4 VC 5MC M C110H Mechanical Dimension...

Страница 27: ...era Link cable into the Medium Full connector on the Camera Link frame grabber 4 Connect the plug of the power adapter to the power input receptacle on the camera 5 Plug the power adapter into a worki...

Страница 28: ...be adjusted inevitably please contact your local dealer or factory representative for technical support 6 2 Controlling the Camera You can control the camera easily by executing the Configure exe file...

Страница 29: ...mera and have the functions as follows 26 pin SDR Connector 1 Camera Link Base transmits video data and controls the camera Status LED displays power status and operation mode 6 pin Power Input and Co...

Страница 30: ...DS Out Camera Link Transmitter 17 X2 LVDS Out Camera Link Transmitter PAIR 4 5 XCLK LVDS Out Camera Link Transmitter 18 XCLK LVDS Out Camera Link Transmitter PAIR 5 6 X3 LVDS Out Camera Link Transmitt...

Страница 31: ...LVDS Out Camera Link Transmitter 23 Z2 LVDS Out Camera Link Transmitter PAIR 10 11 ZCLK LVDS Out Camera Link Transmitter 24 ZCLK LVDS Out Camera Link Clock Tx PAIR 11 12 Z3 LVDS Out Camera Link Chann...

Страница 32: ...Input DC Ground Table 7 4 Pin Configurations for Power Input Receptacle Note A recommended mating connector for the Hirose 6 pin connector is the Hirose 6 pin plug part HR10A 7P 6S or the equivalent I...

Страница 33: ...ith the Debounce feature you can specify the width of input signal to be considered as a valid input signal An external trigger circuit example is shown below Figure 7 4 Trigger Input Schematic 7 5 St...

Страница 34: ...camera settings 8 1 Overview This section presents an overview of the elements involved with controlling the acquisition of images The followings are involved in controlling the acquisition of images...

Страница 35: ...s parameter as follows Continuous Acquires frames continuously once the Acquisition Start command is called until the Acquisition Stop command is called SingleFrame Acquires one single frame after the...

Страница 36: ...gger signals internally and you do not need to apply exposure start trigger signals to the camera The rate at which the camera will generate the signals and acquire frames will be determined by the wa...

Страница 37: ...signals via Camera Link frame grabber you must set the Trigger Source parameter to CC1 At that point each time an externally generated electrical signal is applied to the camera by using the APIs pro...

Страница 38: ...ill determine the exposure time The Trigger Width mode is especially useful if you want to change the exposure time from frame to frame 8 3 Exposure Start Trigger The Trigger Selector parameter is use...

Страница 39: ...s without any need for triggering by the user This use case commonly referred as free run The rate at which the exposure start trigger signals are generated may be determined by the camera s Acquisiti...

Страница 40: ...r Camera Link frame grabber user manual Timer0Active You can apply an exposure start trigger signal to the camera using a user defined Timer signal When you set the Timer Trigger Source parameter to L...

Страница 41: ...meter is set to Timer0 Active the exposure time for each frame acquisition will be determined by the Exposure Mode parameter settings as follows Exposure Mode Timed Exposure time can be controlled wit...

Страница 42: ...of reacting to a new exposure start trigger signal it will automatically return to the waiting for exposure start trigger acquisition status The exposure time for each acquired frame will be determine...

Страница 43: ...edge transition is received by the camera The camera starts the exposure after receiving a CC1 trigger signal however additional new CC1 trigger signal would be ignored while the previous exposure is...

Страница 44: ...osure start trigger acquisition status frame acquisition will start whenever the appropriate edge transition is received by the camera When the camera receives an external trigger signal and begins ex...

Страница 45: ...r in the Counter And Timer Control category to Line0 2 Set the Timer Delay parameter to the desired Timer delay in microseconds 3 Set the Trigger Source parameter in the Acquisition Control category t...

Страница 46: ...gnal rises If the camera is set for falling edge triggering the exposure time starts when the external trigger signal falls The following figure illustrates Timed exposure with the camera set for risi...

Страница 47: ...until the external trigger signal falls If the camera is set for falling edge triggering the exposure time begins when the external trigger signal falls and continues until the external trigger signa...

Страница 48: ...ffset values Table 8 1 vary depending on the Short Exposure Mode setting Short Exposure Mode Off Enables the normal Exposure Mode Short Exposure Mode Ultra Short Allows you to set the shortest exposur...

Страница 49: ...from the desired exposure time 2 Set the Exposure Time parameter with the resulting time or use the resulting time as the high or low time for the external trigger signal Short Exposure Mode Exposure...

Страница 50: ...Output0 Link Trigger0 Timer0 Active Line0 or CC1 and the Exposure Mode is set to Timed The VC 5MC M C110H camera adds an Exposure Offset refer to Table 8 1 automatically to the exposure time determine...

Страница 51: ...o this frame acquisition process the VC 5MC M C110H camera basically operates with overlapped exposure so that the exposure for a new frame can be overlapped with the sensor readout for the previous f...

Страница 52: ...d Frame Period Exposure Time Readout Time Guidelines for Overlapped Exposure Since the VC 5MC M C110H camera operates with overlapped exposure you must keep in mind two important guidelines You must n...

Страница 53: ...after the end of exposure pixel data readout begins and proceeds line by line until all pixel data is read out of the sensor A main characteristic of a global shutter is that for each frame acquisiti...

Страница 54: ...ames with a smaller height and or width take less time to read out of the sensor The frame height and width are determined by the camera s Height and Width settings in the Image Format Control categor...

Страница 55: ...a low number of taps consider using a Device Tap Geometry with a high number of taps This will usually increase the maximum allowed frame rate If you are using normal exposure times and you are using...

Страница 56: ...same quality as you acquire a frame from the entire sensor array With the ROI feature you can increase the maximum allowed frame rate by decreasing the Width and or Height parameters The ROI is refere...

Страница 57: ...rameters for setting ROI c User configurable parameters for setting the origin of the ROI Table 9 1 XML Parameters related to ROI You can change the size of ROI by setting the Width and Height paramet...

Страница 58: ...09 5 fps 109 5 fps 109 5 fps 1600 2048 47 1 fps 92 3 fps 109 5 fps 109 5 fps 2448 16 389 1 fps 768 4 fps 1374 1 fps 1374 1 fps 2448 160 214 0 fps 422 6 fps 755 8 fps 755 8 fps 2448 480 107 0 fps 211 3...

Страница 59: ...selected ROI MultiRoiOffsetY 0 2048 Vertical offset from the origin to the selected ROI MultiRoiValida Verifies the validation of the Multi ROI setting values MultiRoiStatus Active Inactive Displays t...

Страница 60: ...ws MultiRoiWidth the total height of the three regions Region0 Height Region1 Height Region2 Height Figure 9 2 Multi ROI 0 608 1888 1984 3264 4544 5120 0 1280 1420 3520 3720 5000 5120 Region0 Offset X...

Страница 61: ...e plus the MultiRoiHeight value must not exceed the height of the camera s sensor The MultiRoiOffsetX and MultiRoiWidth value must be a multiple of 8 The MultiRoiOffsetY and MultiRoiHeight value must...

Страница 62: ...hown in the figure below Figure 9 3 Device Tap Geometry The XML parameter related to Device Tap Geometry is as follows XML Parameters Value Description TransportLayer Control DeviceTapGeometry Geometr...

Страница 63: ...amera s Pixel Clock speed make sure you determine the maximum Pixel Clock speed supported by your Frame Grabber Then you should not attempt to set the camera s Pixel Clock speed that exceeds the maxim...

Страница 64: ...et for 10 bit pixel format Figure 9 4 VC 5MC M C110H Pixel Format The XML parameter related to Pixel Format is as follows XML Parameter Description ImageFormatControl PixelFormat Sets the pixel format...

Страница 65: ...tX X coordinate of start point ROI RoiOffsetY Y coordinate of start point ROI RoiWidth Width of ROI RoiHeight Height of ROI Table 9 9 XML Parameters related to Data ROI Only the pixel data from the ar...

Страница 66: ...r Red A Balance Ratio value will be applied to red pixels Green A Balance Ratio value will be applied to green pixels Blue A Balance Ratio value will be applied to blue pixels BalanceRatio 1 0 4 0 Adj...

Страница 67: ...era 1 Selects the Black Level Control Digital All is only available to be adjusted by using the Black Level Selector parameter 2 Sets the Black Level parameter to the desired value The available setti...

Страница 68: ...ore information refer to Appendix A 9 9 1 Correction Method A correction value for a defect pixel is calculated based on the valid pixel value adjacent in the same line Figure 9 6 Location of Defect P...

Страница 69: ...a location to save the generated Flat Field correction data 3 Execute the Flat Field Data Save parameter to save the generated Flat Field data into the non volatile memory When the scaled down Flat Fi...

Страница 70: ...ion of Flat Field Data Figure 9 8 Bilinear Interpolated Magnification Flat Field Calibration Scale Down Flat Fielding BilinearInterpolated Magnification M or IM IF IR Bounda ry Bounda ry copied copied...

Страница 71: ...mera is reset or if power is turned off To use the data after the camera is powered on or reset save them in the non volatile memory FlatFieldDataLoad Loads the Flat Field data from the non volatile m...

Страница 72: ...to the selected location Loading Flat Field Data If you saved Flat Field correction data into the camera s non volatile memory you could load the saved Flat Field correction data from the camera s non...

Страница 73: ...es the line output Frame Active Outputs pulse signals indicating a frame readout time LineActive Outputs pulse signals indicating a line readout time Exposure Active Outputs pulse signals indicating t...

Страница 74: ...ends as shown in the figure below This signal can be used as a flash trigger and is also useful when you are operating a system where either the camera or the object being imaged is movable Typically...

Страница 75: ...there is a delay between the point where the valid input signal arrives and the point where the signal becomes effective The duration of the delay is determined by the Debounce Time parameter setting...

Страница 76: ...use the current exposure time as the source signal FrameActive Sets the Timer to use a frame readout time as the source signal CC1 Sets the CC1 signal to use as the source signal of the Timer output s...

Страница 77: ...hen the source signals set by the Timer Trigger Source parameter are applied the Timer will start operations 2 The delay set by the Timer Delay parameter begins to expire 3 When the delay expires the...

Страница 78: ...f the selected Event Source signal CounterResetSource Off Disables the Counter Reset trigger Frame Active Uses the Frame Active signal as Reset Source Exposure Active Uses the Exposure Active signal a...

Страница 79: ...the selected Counter Trigger Source signal FallingEdge Starts Counter on the falling edge of the selected Counter Trigger Source signal AnyEdge Starts Counter on the rising falling edge of the selecte...

Страница 80: ...are available images with different values in horizontal direction Grey Horizontal Ramp images with different values in diagonal direction Grey Diagonal Ramp moving images with different values in dia...

Страница 81: ...1 of 109 Figure 9 15 Grey Diagonal Ramp Figure 9 16 Grey Diagonal Ramp Moving Figure 9 17 Sensor Specific Caution The test pattern may look different because the region of the test pattern may vary de...

Страница 82: ...se X feature TRUE Flips images horizontally Table 9 23 XML Parameter related to Reverse X Figure 9 18 Original Image Figure 9 19 Reverse X Image 9 19 Reverse Y The Reverse Y feature lets you flip imag...

Страница 83: ...C110H User s Manual Page 83 of 109 Figure 9 20 Original Image Figure 9 21 Reverse Y Image Caution After using the Reverse Y feature you must generate the camera s correction data FFC again from the b...

Страница 84: ...d that you set the Device Link Throughput Limit parameter to the maximum value Otherwise the image quality can decrease In case of the VC 5MC M C110H its maximum value is 1700 9 21 Device User ID You...

Страница 85: ...s to load settings The XML parameters related to User Set Control are as follows XML Parameters Value Description UserSetControl UserSetSelector Default Selects the Factory Default settings UserSet1 S...

Страница 86: ...settings set in the workspace will be lost if the camera is reset or powered off To use the current setting values in the workspace after a reset you must save the settings to one of the user spaces F...

Страница 87: ...ameter and the operating status of the camera All parameters except the Exposure Time parameter are applied to change the camera settings as illustrated below on the rising edge of a REQ_Frame signal...

Страница 88: ...tual Runtime of Parameters Setting Exposure Time Parameter Recognizing Parameter Ack OK Setting Parameter Applying Parameter Recognizing Parameter Ack OK Parameter Exposure Readout REQ_Frame Exposure...

Страница 89: ...figurator by following the procedure below 1 Execute the Configurator exe file after the camera is powered on The Camera Scan window appears 2 The Configurator probes if a camera is connected to your...

Страница 90: ...anual Page 90 of 109 4 Double click the model name of the camera The DeviceProperty and Configurator Plus windows appear The DeviceProperty window displays controls for setting camera parameters Figur...

Страница 91: ...urator Plus window you can display the Device Property and or Device Maintenance windows In the Device Maintenance window you can download a Defective Pixel Map or upgrade camera s MCU FPGA and XML fi...

Страница 92: ...grx OK n Sets a horizontal offset from the origin to the selected ROI when setting the Multi ROI n X axis offset Set Region Offset Y Get Region Offset Y sry n gry OK n Sets a vertical offset from the...

Страница 93: ...10 12 Sets the Pixel Format 8 8 bit 10 10 bit 12 12 bit Set Defect Correction Get Defect Correction sdc 0 1 gdc OK 0 1 Sets the Defect Pixel Correction 0 Disables the Defect Pixel Correction 1 Enable...

Страница 94: ...the Trigger Mode is set to On 3 Software 10 User Output0 14 CC1 18 Timer0 Active 22 Line0 Generate SW Trigger gst OK Generates a Software trigger signal Set Trigger Activation Get Trigger Activation s...

Страница 95: ...Flat Field Data Selector Get Flat Field Data Selector sfds n gfds OK n Selects a Flat Field correction data location n 0 11 User defined locations Save Flat Field Data sfd OK Saves the generated Flat...

Страница 96: ...he Control I O receptacle 0 Off 4 Frame Active 5 Line Active 6 Exposure Active 10 User Output0 18 Timer0 Active 26 Counter0Active Set Line Inverter Get Line Inverter slni 0 1 glni OK 0 1 Sets whether...

Страница 97: ...K 0 1 2 3 4 Sets Counter Reset Activation 0 Falling Edge 1 Rising Edge 2 Level Low 3 Level High 4 Any Edge Reset Counter rctr OK Resets the Counter and starts it again Set Counter Duration Get Counter...

Страница 98: ...22 26 gtts OK 0 4 6 14 22 26 Specifies a source signal for the Timer output signal 0 Off 4 Frame Active 6 Exposure Active 22 Line0 26 Counter0Active Set Timer Trigger Activation Get Timer Trigger Acti...

Страница 99: ...mber gsn piece String Displays the serial number of the camera Get Current Temperature gct String Displays the device temperature in Celsius Reset Hardware rst Resets the camera physically to power of...

Страница 100: ...the camera lens is not blocked Check the exposure time is set properly If you identify abnormal operation or overheating sign Ensure the power supply is properly connected Stop using the camera when...

Страница 101: ...d when creating the file Lines beginning with or are treated as notes You must enter the horizontal value first and then the vertical value for coordinates of each defect pixel Coordinate values for e...

Страница 102: ...cation provided by your frame grabber and then find the menu to support the necessary function 2 Select the PKG tab on the window below click the button next to File Path search and select the MCU FPG...

Страница 103: ...ion Stop command 33 any edge 38 back panel 27 Bayer RG 8 10 12 62 block diagram 22 camera control 87 Camera Link connector 27 28 camera ON OFF 82 Camera Scan window 87 camera s pixel formats 62 camera...

Страница 104: ...dth 36 Exposure Mode parameter 36 Exposure Offset 48 falling edge 38 FFC 67 Flat Field Correction data generation 67 FPGA file upgrade 89 frame acquisition process 49 frame grabber 7 Free run 36 gain...

Страница 105: ...ffset value setting 65 OffsetX 54 OffsetY 54 overlapped exposure 49 parameter control 87 pixel formats 62 preface 3 7 reset physically 82 rising edge 38 ROI 54 ROI origin position 55 ROI size setting...

Страница 106: ...nceRatioSelector 64 BalanceWhiteAuto 64 BlackLevel 65 BlackLevelSelector 65 CC1 74 77 Counter0Start 74 CounterAndTimeControl 74 77 CounterDuration 77 CounterEventActivation 77 CounterEventSource 77 Co...

Страница 107: ...tiRoiOffsetX 57 MultiRoiOffsetY 57 MultiRoiSelector 57 MultiRoiStatus 57 MultiRoiValid 57 MultiRoiWidth 57 OffsetX 55 OffsetY 55 Output 71 PixelFormat 62 ReverseX 80 ReverseY 80 RisingEdge 74 77 RoiHe...

Страница 108: ......

Страница 109: ...Vieworks Co Ltd 41 3 Burim ro 170beon gil Dongan gu Anyang si Gyeonggi do 14055 Republic of Korea Tel 82 70 7011 6161 Fax 82 31 386 8631 http vision vieworks com vision vieworks com...

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