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Related Manuals for CAMERA LINK VT Series
Summary of Contents for CAMERA LINK VT Series
- Page 2 VT Camera Link series Revision History Version Date Description 2016-03-04 First Release Added the following models: VT-3K7C-E100 VT-3K7C-H100 2017-05-10 VT-4K5C-E100 VT-4K5C-H100 VT-6K3.5C-E100 VT-6K3.5C-H100 Added the STROBE tab Updated camera mechanical dimensions (Added a connector for...
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Page 3: Table Of Contents
6.2 Controlling the Camera ......................18 Camera Interface ......................19 7.1 General Description ........................19 7.2 Camera Link Connector ......................19 7.3 Power Input Receptacle ......................23 7.4 Control I/O Receptacle ......................24 7.5 Trigger / Direction Input Circuit ....................25 7.6 Strobe Output Circuit ......................... - Page 4 9.16 Test Image ..........................53 9.17 Pre-emphasis (M72 / M95 based VT Series Only) ..............55 9.18 Camera Link Pixel Clock (M42 based VT Series Only) ............55 9.19 Field Upgrade ........................55 10 Camera Configuration ....................56 10.1 Setting Commands ........................ 56 10.2...
- Page 5 VT Camera Link series 11 Configurator GUI ......................66 11.1 Camera Scan ........................66 11.2 Menu ............................. 67 11.2.1 File ..............................67 11.2.2 Start-Up ............................68 11.2.3 Tool ..............................69 11.2.4 About ...............................70 11.3 Tab ............................71 11.3.1 VIEW Tab ............................71 11.3.2 MODE/EXP Tab ..........................72 11.3.3 VIDEO Tab ............................73...
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Page 6: Precautions
VT Camera Link series 1 Precautions General Do not drop, disassemble, repair or alter the device. Doing so may damage the camera electronics and cause an electric shock. Do not let children touch the device without supervision. ... - Page 7 VT Camera Link series Cleaning the Sensor Surface Avoid cleaning the surface of the camera’s sensor if possible. If you have dust or foreign matter on the sensor surface, use a soft line free cotton bud dampened with a small quantity of high quality lens cleaner. Because electrostatic discharge (ESD) can damage the sensor, you must use a cloth (e.g.
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Page 8: Warranty
VT Camera Link series 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 factory representative. 3 Compliance & Certifications... -
Page 9: Package Components
VT Camera Link series 4 Package Components Package Components VT-4K7C / VT-4K14C / VT-9K7C / VT-12K5C / VT-18K3.5C Camera with M72 0.75 mount VT-3K7C / VT-4K5C / VT-6K3.5C Camera with M42 mount Page 9 of 88 VW40-161-001... -
Page 10: Product Specifications
VT-4K14C cameras. The VT-3K7C, VT-4K5C and VT-6K3.5C cameras which are supporting the M42 mount feature up to 100 ㎑ with 256 higher sensitivity. Featured with high speed and high resolution, VT series is ideal for demanding applications such as flat panel display inspection, wafer inspection, printed circuit board inspection, and high-performance document scanning. -
Page 11: Specifications
M72 × 0.75 Lens Mount 10.10 ㎜ (Optical Distance) Sensor to Camera Front Sensor Alignment ±25 ㎛ Flatness ±0.15 ㎜ ±0.15 ㎜ ±0.1 ㎜ Table 5.1 Specifications of M72 mount based VT Camera Link Series (VT-4K7C/VT-4K14C/VT-9K7C) Page 11 of 88 VW40-161-001... - Page 12 Configuration Software Configurator Optical Interface M72 × 0.75 Lens Mount 10.10 ㎜ (Optical Distance) Sensor to Camera Front Sensor Alignment Flatness 0.15 0.15 Table 5.2 Specifications of M72 mount based VT Camera Link Series (VT-12K5C/VT-18K3.5C) Page 12 of 88 VW40-161-001...
- Page 13 Optical Interface Lens Mount 10.10 ㎜ (Optical Distance) Sensor to Camera Front Sensor Alignment ±25 ㎛ Flatness ±0.15 ㎜ ±0.15 ㎜ ±0.1 ㎜ Table 5.3 Specifications of M42 mount based VT Camera Link Series (VT-3K7C/VT-4K5C/VT-6K3.5C) Page 13 of 88 VW40-161-001...
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Page 14: Camera Block Diagram
VT Camera Link series Camera Block Diagram VT series consists of three printed circuit boards (PCB), and its block diagram is shown below. Figure 5.1 Camera Block Diagram Page 14 of 88 VW40-161-001... -
Page 15: Spectral Response
VT Camera Link series Spectral Response The following graph shows the spectral response for VT series. Figure 5.2 Quantum Efficiency (Monochrome) Page 15 of 88 VW40-161-001... -
Page 16: Mechanical Specification
VT Camera Link series Mechanical Specification The camera dimensions in millimeters are shown in the following figure. Figure 5.3 M72 mount based VT CL Series Mechanical Dimension Page 16 of 88 VW40-161-001... -
Page 17: Camera Mounting And Heat Dissipation
You must mount the camera on a heat dissipation structure to maintain the temperature of the camera housing at 50℃ or less. Given the low power consumption of the VT series camera, its housing temperature during operation will generally stay within the specified limits. However, overheating can occur if heat dissipation is restricted or if the camera is mounted on a severe environment. -
Page 18: Connecting The Camera
Make sure that the power supply is not connected to the camera and your computer is turned off. Plug one end of a Camera Link cable into the Camera Link1 connector on the camera and the other end of the Camera Link cable into the Base connector on the Camera Link frame grabber. -
Page 19: Camera Interface
⑤ 4 pin Control I/O Receptacle: provides access to the camera’s I/O lines. Figure 7.1 M72 mount (left) and M42 mount (right) based VT Camera Link Series Back Panel Camera Link Connector CAMERA LINK 1 Figure 7.2 Camera Link Connector... - Page 20 VT Camera Link series Camera Link connectors comply with Camera Link Standard and the following list shows the pin assignments of the connector. PAIR List Signal Name Type Description Ground Ground Cable Shield PAIR 0 Ground Ground Cable Shield LVDS - Out...
- Page 21 VT Camera Link series PAIR List Signal Name Type Description Ground Ground Cable Shield PAIR 0 Ground Ground Cable Shield LVDS - Out Camera Link Transmitter PAIR 1 LVDS - Out Camera Link Transmitter PAIR 2 LVDS - Out Camera Link Transmitter...
- Page 22 FULL Table 7.3 Connector Arrangement for the Camera Link Output Modes When you connect a frame grabber to Camera Link connectors on the camera using Camera Link cables, make sure you connect to the correct Camera Link connectors. Incorrect connection of CL1 connector and CL2 connector may cause malfunction of the camera or communication problems between your computer and the camera.
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Page 23: Power Input Receptacle
VT Camera Link series Power Input Receptacle The power input receptacle is a Hirose 6 pin connector (part # HR10A-7R-6PB). The pin assignments and configurations are as follows. Figure 7.3 Pin Assignments for Power Input Receptacle Pin Number Signal Type... -
Page 24: Control I/O Receptacle
VT Camera Link series Control I/O Receptacle The control I/O receptacle is a Hirose 4-pin connector (part # HR10A-7R-4S) and consists of an external trigger signal input and strobe output ports. The pin assignments and configurations are as follows. Figure 7.4 Pin Assignments for Control I/O Receptacle... -
Page 25: Trigger / Direction Input Circuit
VT Camera Link series Trigger / Direction Input Circuit The following figure shows trigger signal input and TDI direction input circuit of the 4 pin connector. Transmitted trigger signal and TDI direction signal is applied to the internal circuit through a CMOS buffer with a good noise margin. -
Page 26: Acquisition Control
VT Camera Link series 8 Acquisition Control This chapter provides detailed information about the following elements involved with the image acquisition. Line Start Trigger – Trigger Mode Line Rate Control Line Start Trigger The Line Start trigger is used to begin line acquisition. Line Start trigger signals can be generated within the camera or may be applied externally by setting the Source parameter to CC1 or External. - Page 27 VT Camera Link series The rate at which the line start trigger signals are generated may be determined by the camera’s Line Rate parameter. If the parameter is set to a value less than the maximum allowed line rate with the current camera settings, the camera will generate line start trigger signals at the rate specified by the parameter setting.
- Page 28 CC1: You can apply a line start trigger signal via CC1 port of the Camera Link frame grabber. For more information, refer to your Camera Link frame grabber user manual. After setting the Source parameter, you must also set the Activation parameter.
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Page 29: Using An External/Cc1 Trigger Signal
CC1 trigger signal to the camera to begin image acquisition. To apply trigger signals via CC1 port of the Camera Link frame grabber, you must set the Source parameter to CC1. At that point, each time a proper CC1 trigger signal is applied to the camera by using the APIs provided by a Camera Link frame grabber manufacturer, the line start trigger signal will be applied to the camera. -
Page 30: Rescaler Mode
VT Camera Link series 8.1.3 Rescaler Mode In the Rescaler Mode, you can modulate the period of the external trigger signal as desired. For example, if you supply the external trigger signal into the camera’s I/O receptacle using the conveyor’s encoder, the number of output pulses per revolution of the encoder is fixed. -
Page 31: Trigger Statistics
VT Camera Link series 8.1.4 Trigger Statistics The Trigger Statistics feature allows you to determine the trigger signals applied to the camera and then converted by the Trigger Rescaler. The table below shows the parameters for the Trigger Statistics provided in the Configurator. -
Page 32: Maximum Allowed Line Rate
When the camera is set for a Tap Mode that uses more taps, it will take less time to transfer acquired images from the camera to the Camera Link frame grabber in your computer. For example, if the camera is set to 8 Tap (Camera Link Full Configuration), it can typically transfer data out of the camera two times faster than when the camera is set to 4 Tap (Camera Link Medium). -
Page 33: Camera Features
9 Camera Features Operation Mode The VT Camera Link cameras have two different operation modes: Area and TDI (Time Delay and Integration). If the Operation Mode parameter is set to Area, the camera will operate as an area scan camera using two dimensional array of pixels. -
Page 34: Tdi Stages
VT Camera Link series TDI Stages In the TDI mode, the TDI Stages parameter is used to determine the number of integration stages used by the camera. For example, if the TDI Stages parameter is set to 256, the camera will acquire images with 256 higher sensitivity. - Page 35 VT Camera Link series The number of available TDI Stages for each camera model is as follows. Camera Model Available TDI Stage Values VT-3K7C-E100 VT-3K7C-H100 32 / 64 / 96 / 128 VT-4K5C-E100 VT-4K5C-H100 64 / 128 / 192 / 256...
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Page 36: Direction
VT Camera Link series Direction In the TDI mode, the Direction parameter is used to select the imaging sensor’s scan direction. You need to set the Direction parameter to Forward if the object being images will pass the bottom of the camera, and then pass the top of the camera. -
Page 37: Region Of Interest
256 and can be set to a multiple of 16. Your Camera Link frame grabber may place additional restrictions on how the ROI location and size must be set. Refer to your Camera Link frame grabber user manual for more information. Page 37 of 88... - Page 38 To acquire images at the maximum allowed line rate, you need to set the camera’s Tap Mode to 10 Tap (Camera Link Full Configuration). In this case, you must connect the camera to the Camera Link frame grabber using two Camera Link cables.
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Page 39: Binning
VT Camera Link series Binning The binning feature has the effects of increasing the scan speed and decreasing resolution by summing the values of the adjacent pixels and integrating them. This feature is particularly useful when you need to acquire line images with lower resolution. -
Page 40: Data Bit
VT Camera Link series Data Bit The camera processes image data in the unit of 12 bit internally. You can determine the format of these image data transferred from the camera by using the Data Bit parameter. Figure 9.3 Data Bit The command related to the Data Bit is as follows. -
Page 41: Gain And Black Level
VT Camera Link series Gain and Black Level Increasing the Analog Gain parameter increases the slope of the camera’s response curve as shown in the figure below. This results in a higher grey value output from the camera for a given amount of output from the imaging sensor. -
Page 42: Lut
VT Camera Link series The Lookup Table (LUT) feature allows you to convert original image values to certain level values. Luminance Since it is mapped one to one for each level value, 12 bit output can be connected to 12 bit input. The LUT is in the form of table that has 4096 entries between 0 –... - Page 43 VT Camera Link series The commands related to the LUT feature are as follows. Configurator Parameters Command Value Description sls 0 Disables the LUT feature. sls 1 Enables the LUT feature. Table 9.12 Commands related to LUT Page 43 of 88...
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Page 44: Dark Signal Non-Uniformity Correction
This variation is known as Dark Signal Non-Uniformity (DSNU). The VT Camera Link cameras provide the DSNU Correction feature. -
Page 45: Generating And Saving User Dsnu Correction Values
VT Camera Link series 9.9.1 Generating and Saving User DSNU Correction Values To generate and save user DSNU correction values, use the following procedure. For optimum DSNU correction results, we recommend to generate DSNU data after the temperature of the camera housing has been stabilized. - Page 46 VT Camera Link series Figure 9.7 Generating and Saving DSNU Correction Values Page 46 of 88 VW40-161-001...
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Page 47: Photo Response Non-Uniformity Correction
This variation is known as Photo Response Non-uniformity (PRNU). The VT Camera Link cameras provide the PRNU Correction feature and five storage locations for PRNU correction values. -
Page 48: Generating And Saving User Prnu Correction Values
VT Camera Link series 9.10.1 Generating and Saving User PRNU Correction Values To generate and save user PRNU correction values, use the following procedure. We strongly recommend that you generate new PRNU correction values whenever you make a change to the optics or lighting or if you change the camera’s line rate. -
Page 49: Reverse X
VT Camera Link series 9.11 Reverse X The Reverse X feature lets you flip the image horizontally. This feature is available in all operation modes. Figure 9.8 Original Image Figure 9.9 Reverse X Image The commands related to Reverse X is as follows. -
Page 50: Camera Link Output
The VT Camera Link cameras supports 2 Tap, 4 Tap, 8 Tap and 10 Tap Camera Link output modes. The number of taps represents the number of pixel data that will be output on each cycle of the Camera Link pixel clock. The maximum allowed line rate will be changed according to the Tap Mode settings. -
Page 51: Strobe Mode
Strobe Mode The VT Camera Link cameras can output pulse signals through the control I/O receptacle. You can set a width of the pulse signal by using the Strobe Mode parameter. This feature is useful when you need to supply source signals to the other devices such as a Strobe Controller. -
Page 52: Temperature Monitor
VT Camera Link series 9.14 Temperature Monitor The camera has an embedded sensor chip to monitor the internal temperature. The command related to the device temperature is as follows. Command Description Displays device temperature in Celsius. Table 9.18 Command related to Device Temperature 9.15... -
Page 53: Test Image
VT Camera Link series 9.16 Test Image To check normal operation of the camera, it can be set to output test images created inside, instead of image data from the imaging sensor. There are three types of test images; image with different value in horizontal direction (Test #1), image with different value in diagonal direction (Test #2), and moving image with different value in diagonal direction (Test #3). - Page 54 VT Camera Link series Figure 9.12 Test #2 Figure 9.13 Test #3 The test image may look different because the region of the test image may vary depending on the camera’s resolution. Page 54 of 88 VW40-161-001...
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Page 55: Pre-Emphasis (M72 / M95 Based Vt Series Only)
The Pixel Clock feature provided by the M42 mount based VT CL camera models allows you to select a Camera Link pixel clock so that you can increase the available Camera Link cable length or extend the Camera Link bandwidth. Typically, you can extend the Camera Link cable length up to 15 meters with a Camera Link pixel clock of 40 ㎒. -
Page 56: Camera Configuration
Setting Commands You can configure all camera settings via RS-644 serial interface of the Camera Link. When you want to control the camera using a terminal or to access directly to the camera at your application, you need to set your network as follows. - Page 57 VT Camera Link series If a read command is successfully executed <parameter1> <cr> <lf> ex) Read Command In response to a “get” command the camera will return (in hex value) Command: 67 65 74 0D get <cr> Response: 67 65 74 0D 0A 31 30 30 0D 0A get<cr><lf>...
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Page 58: User Set Control
10.2 User Set Control The VT Camera Link cameras provide three non-volatile spaces (Flash) for storing parameter settings and one work space (RAM) for operating the camera. Non-volatile spaces are divided into a Factory space (Factory Setting) that contains default setting values entered during the manufacturing, and two User spaces (User 1 Setting and User 2 Setting) that are available for saving user-defined setting values. -
Page 59: Factory Default Setting Values
10.2.1 Factory Default Setting Values When you power the VT Camera Link camera for the first time on, the factory default setting values will be loaded into the camera and the factory default setting values are as follows. Configurator Parameters... -
Page 60: Command List
VT Camera Link series 10.3 Command List You can set all features provided by the VT Camera Link camera by using the following commands. Command Syntax Description Return Value Help String Displays a list of all commands. Set Offset X... - Page 61 Specifies a source signal when the Trigger Set Trigger Source Mode is set to On. Get Trigger Source 1: CC1 port (Camera Link) 5: External port (Line 1) Specifies a polarity of trigger when the Trigger Mode is set to On.
- Page 62 VT Camera Link series Command Syntax Description Return Value Enables the Trigger Rescaler feature. Set Trigger Rescaler Mode srm 0|1 0: Disables the Trigger Rescaler feature. Get Trigger Rescaler Mode 1: Enables the Trigger Rescaler feature. Sets the trigger rescaler rate.
- Page 63 VT Camera Link series Command Syntax Description Return Value Set Analog Gain sag 1|2|3|4 Sets the Analog Gain. 1/2/3/4: Analog gain (1, 2, 3, 4) Get Analog Gain 1|2|3|4 Sets the Digital Gain. Set Digital Gain sdg f f: Digital gain <Float>...
- Page 64 Get PRNU Coefficient gpc n1 n2 n2: X coordinate of an end pixel f1: PRNU correction coefficient (Gain = 0.1 ~10.0) Sets the Camera Link Output mode. 0: 2 Tap Set Camera Link mode 0|1|2|3 1: 4 Tap Get Camera Link mode...
- Page 65 Set Pre-emphasis mode spe 0|1 0: Disables the Pre-emphasis feature. Get Pre-emphasis mode 1: Enables the Pre-emphasis feature. Sets the Camera Link Pixel Clock. 0: 40 ㎒ Set Camera Link Clock Speed sccs 0|1|2|3 1: 60 ㎒ Get Camera Link Clock Speed...
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Page 66: Configurator Gui
At this time, the Configurator checks serial ports of your computer and DLL provided by the Camera Link to scan whether a camera is connected. If the Configurator finds a connected camera, it displays the model name of the camera on the Camera Scan window. If the camera is not displayed on the window, check the cable connections and power of the camera, and then press the refresh button. -
Page 67: Menu
VT Camera Link series 11.2 Menu 11.2.1 File Figure 11.2 File Menu Load Setting: Loads the camera setting values from the camera memory (Factory, User1 or User2) or user’s computer (From File). Saves the camera setting values to the camera memory (User1 or User2) or user’s Save Setting: computer (To File). -
Page 68: Start-Up
VT Camera Link series 11.2.2 Start-Up You can select the camera setting values to load when the camera is powered on. Figure 11.3 Start-Up Menu Factory Setting: Loads the camera setting values from Factory Space when the camera is powered on. -
Page 69: Tool
Displays user commands in the Terminal window under the GUI. To hide the Terminal window, uncheck Terminal by clicking again. Factory Setting: Not supported for users. High Speed: Not supported on the VT Camera Link cameras. Page 69 of 88 VW40-161-001... -
Page 70: About
VT Camera Link series 11.2.4 About Figure 11.5 About Menu Camera Info: Displays camera information (model name, serial number, version, etc.). Page 70 of 88 VW40-161-001... -
Page 71: Tab
VIEW Tab The VIEW tab allows you to set the camera’s region of interest (ROI), test image mode, operation mode, data bit, Camera Link output mode, binning, scan direction, TDI stage, DSNU, PNRU features, etc. Figure 11.6 VIEW Tab ... -
Page 72: Mode/Exp Tab
VT Camera Link series 11.3.2 MODE/EXP Tab The MODE/EXP tab allows you to configure the camera’s trigger mode, line rate, exposure time, trigger rescaler and trigger statistics. Figure 11.7 MODE/EXP Tab Trigger Mode: Sets the trigger mode. Source: Selects a source signal for exposure triggering. -
Page 73: Video Tab
VT Camera Link series 11.3.3 VIDEO Tab The VIDEO Tab allows you to adjust the camera’s gain and black level settings. Figure 11.8 VIDEO Tab Analog Gain: Sets an analog gain value. Digital Gain: Sets a digital gain value. -
Page 74: Strobe Tab
VT Camera Link series 11.3.4 STROBE Tab The STROBE tab allows you to set camera’s strobe out signals or dedicated strobe controllers (The Strobe Controller category will be activated when a dedicated strobe controller is connected). Figure 11.9 STROBE Tab ... -
Page 75: Lut Tab
VT Camera Link series 11.3.5 LUT Tab The LUT tab allows you to download LUT data. For more information about LUT download, refer to Appendix Figure 11.10 LUT Tab Loads LUT data from user’s computer or sets a Gamma value to be Graph: applied while using a Gamma curve. -
Page 76: Troubleshooting
If there is a communication failure between the camera and user’s computer, Ensure that the Camera Link cable connections are secure. Ensure that you have configured a frame grabber in your computer and the camera is connected to the frame grabber correctly. -
Page 77: Appendix A Field Upgrade
VT Camera Link series Appendix A Field Upgrade Select File > System Upgrade > MCU Upgrade in the Configurator. Search and select the provided MCU file (*.mcu) and click Open. Page 77 of 88 VW40-161-001... - Page 78 VT Camera Link series The Configurator starts downloading MCU upgrade file to the camera and downloading status is displayed at the bottom of the window. This process may require several minutes to complete. If you want to cancel the upgrade process, click Cancel.
- Page 79 VT Camera Link series Once all the processes are complete, turn the camera power off and turn it back on again. Select Tool > Terminal and enter the ‘gmv' command to confirm the version. Or, select About > Camera Info to confirm the MCU version.
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Page 80: Fpga
VT Camera Link series FPGA Select File > System Upgrade > FPGA Upgrade in the Configurator. Search and select the provided FPGA file (*.fpga) and click Open. The subsequent processes are identical to those of MCU upgrade. Page 80 of 88... -
Page 81: Appendix Blut Download
VT Camera Link series Appendix B LUT Download You can create LUT data in two different ways; by adjusting the gamma values on the gamma graph provided in the program and then downloading the data or by opening a CSV file (*.csv) and then downloading the data. - Page 82 VT Camera Link series Click the Download button to download the gamma values to the camera. Once the download is complete, the Download completed message will appear at the bottom of the window. Page 82 of 88 VW40-161-001...
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Page 83: Csv File Download
VT Camera Link series CSV File Download Create the LUT table in Microsoft Excel format as shown in the left picture below and save as a CSV file (*.csv). The image in the right shows the created file opened in Notepad. Once the file has been created completely, change the .csv file extension to .lut. - Page 84 VT Camera Link series Search and select the created LUT file and click the Open button. Click the Download button. After completing the download, click the OK button to close the confirmation. Page 84 of 88 VW40-161-001...
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Page 85: Appendix C Correction Control
Correction Control The VT Camera Link cameras provide an additional feature to adjust DSNU or PRNU correction values after the DSNU or PRNU Correction feature is enabled. You can specify a pixel or region of the sensor and the pixel information from the specified portion will be adjusted according to the user-defined DSNU or PRNU correction value. -
Page 86: Adjusting And Saving Additional Dsnu Correction Value
VT Camera Link series Adjusting and Saving Additional DSNU Correction Value For example, if you want to apply -2 black level from the 100 pixel to the 109 pixel, follow the procedures below. Click Tool > Terminal in the Configurator. -
Page 87: Adjusting And Saving Additional Prnu Correction Value
VT Camera Link series Adjusting and Saving Additional PRNU Correction Value For example, if you want to apply 1.1 gain from the 100 pixel to the 109 pixel, follow the procedures below. Click Tool > Terminal in the Configurator. Input the spt 100 109 1.1 command into the Terminal input box. - Page 88 http://www.vieworks.com vieworks@vieworks.com...