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Chapter 5

Image Acquisition

The image readout duration varies depending on the smart camera configuration, as shown in
Table 5-3.

Table 5-3.

Image Readout Duration

Smart Camera Model

Full Scan

1/2 Scan

1/4 Scan

Binning

NI 1722
NI 1742
NI 1762

16.38 ms

8.86 ms

5.49 ms

8.17 ms

NI 1744
NI 1764

76.47 ms

41.38 ms

24.70 ms

38.23 ms

Содержание NI Vision 1722

Страница 1: ...NI Vision NI 17xx Smart Camera User Manual For NI 1722 1742 1744 1762 1764 Smart Cameras NI 17xx Smart Camera User Manual September 2013 374174A 01 ...

Страница 2: ...sses and current events National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 For further support information refer to the Technical Support and Professional Services appendix To comment on National Instruments documentation refer to the National Instruments Web site at ni com info and enter the Info Code feedback 2013 National Instru...

Страница 3: ...National Instruments shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the National Instruments installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and po...

Страница 4: ...ENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN 2 IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS...

Страница 5: ...re encouraged to try to correct the interference by one or more of the following measures Reorient the antenna of the receiver the device suffering interference Relocate the transmitter the device generating interference with respect to the receiver Plug the transmitter into a different outlet so that the transmitter and the receiver are on different branch circuits Some hardware may require the u...

Страница 6: ...ated Inspection 1 3 LabVIEW 1 3 LabVIEW Real Time Module 1 4 NI Vision Development Module 1 4 NI Vision Acquisition Software 1 4 Chapter 2 Power and I O POWER I O Connector 2 1 NI Smart Camera Power Requirements 2 2 Isolated Inputs 2 3 Isolated Outputs 2 4 Protecting Against Inductive Loads 2 5 Connecting to Serial Devices 2 5 Communicating with the Console 2 6 Connecting to a Quadrature Encoder 2...

Страница 7: ... Images 5 2 Internal Timing 5 2 External Trigger 5 2 Maximum Frame Rate 5 5 Determining the Maximum Frame Rate 5 5 Determining the Scan Mode 5 6 Determining the Exposure Time 5 6 Determining the Lighting Mode 5 6 Determining the Trigger Delay 5 7 Calculating the Minimum Frame Period 5 7 Chapter 6 LEDs and DIP Switches Understanding the LED Indicators 6 1 Device Initialization 6 1 POWER LED 6 2 STA...

Страница 8: ...and Static IP Address Assignment 7 3 Firewall Considerations 7 3 Subnet Considerations 7 4 Chapter 8 Thermal Considerations and Mounting Thermal Considerations 8 1 Mounting the NI Smart Camera 8 2 Appendix A Specifications Appendix B Troubleshooting Appendix C Maintenance Appendix D Technical Support and Professional Services Glossary Index ...

Страница 9: ... Zone is located on the National Instruments Web site at ni com zone You can find the following documents in the NI Developer Zone Using the NI 17xx Smart Camera Direct Drive Lighting Controller Demonstrates how to utilize the Direct Drive lighting controller feature on the NI 17xx Smart Camera with LabVIEW or Vision Builder for Automated Inspection A Practical Guide to Machine Vision Lighting Exp...

Страница 10: ...the basic concepts of image analysis image processing and machine vision This document also contains in depth discussions about imaging functions for advanced users NI Vision for LabVIEW Help Describes how to create machine vision and image processing applications in LabVIEW using the Vision Development Module The help file guides you through tasks beginning with setting up your imaging system to ...

Страница 11: ...e sensor processor and digital I O in a compact rugged housing Table 1 1 shows the differentiating features for each smart camera model Table 1 1 NI Smart Camera Models NI Smart Camera Model Processor Image Sensor Direct Drive Lighting Controller Quadrature Encoder Support NI 1722 400 MHz PowerPC 1 3 inch Sony ICX424AL CCD Monochrome 640 480 pixels VGA No No NI 1742 533 MHz PowerPC 1 3 inch Sony I...

Страница 12: ...or more information about the Direct Drive lighting controller The smart camera also has one 5 V TTL strobe output and one unregulated 24 V strobe output for lighting control The smart camera also includes LEDs for communicating system status four DIP switches to specify startup options isolated inputs and isolated outputs for connecting to external devices Refer to Chapter 6 LEDs and DIP Switches...

Страница 13: ...ision software you can use to configure the NI Smart Camera and prototype benchmark and deploy machine vision applications Creating applications in Vision Builder AI does not require programming Vision Builder AI allows you to easily configure and benchmark a sequence of visual inspection steps as well as deploy the visual inspection system for automated inspection With Vision Builder AI you can p...

Страница 14: ...with the LabVIEW Real Time Module refer to the NI Vision for LabVIEW Help NI Vision Acquisition Software The NI Vision Acquisition Software CD contains Measurement Automation Explorer MAX configuration software and NI IMAQ driver software Use MAX to configure the NI Smart Camera You can set the IP address update software on the smart camera configure triggering and set up the lighting features For...

Страница 15: ...tor The two pins used to connect to a power supply pin 15 and pin 5 are also shown in the table Refer to Getting Started with the NI 17xx Smart Camera for information about connecting a power supply to the NI Smart Camera Table 2 1 lists the signal names and pin numbers for the 15 pin POWER I O connector The table also lists the wire colors for the 15 pin D SUB pigtail cable part number 197818 05 ...

Страница 16: ...nregulated output dependent on the range of the power supply provided to the smart camera If the power provided to the smart camera is 20 15 with 5 AC ripple the external lighting strobe output could be as high as 30 V If the provided power exceeds the input voltage specifications of the third party lighting controller do not connect the 24 V lighting strobe output to the controller to prevent dam...

Страница 17: ...d Inputs Caution Do not apply a voltage greater than 30 VDC to the isolated inputs Voltages greater than 30 VDC may damage the NI Smart Camera Caution The isolated inputs and outputs on the smart camera provide an easy means for preventing ground loops that could degrade signal integrity The isolation on the smart camera is not safety isolation You can wire an isolated input to both sourcing and s...

Страница 18: ...lated inputs and outputs on the smart camera provide an easy means for preventing ground loops that could degrade signal integrity The isolation on the smart camera is not safety isolation The isolated outputs can be used to drive external loads as shown in Figures 2 3 and 2 4 Figure 2 3 Connecting an Isolated Output to a Sourcing External Load Sensor Power Sensor Common NI 17xx NPN Sinking Output...

Страница 19: ...al Devices Use the RS232_RXD and RS232_TXD signals on the POWER I O connector for serial communication Connect the RS232_RXD signal on the NI Smart Camera to the Tx signal on your serial device Connect the RS232_TXD signal on the smart camera to the Rx signal on your serial device Connect COM on the smart camera to the ground of your serial device When the CONSOLE DIP switch is in the OFF position...

Страница 20: ...ls the movement of an object By providing Phase A and Phase B signals to the smart camera you can obtain a precise measurement of the object position Using a quadrature encoder gives you the ability to specify your trigger delay in terms of positional units such as inches or centimeters after applying the resolution information of your encoder rather than time National Instruments does not recomme...

Страница 21: ...ecting Differential Line Drivers Figure 2 6 shows the internal quadrature encoder RS 422 input circuit Figure 2 6 NI Smart Camera Quadrature Encoder Input Circuit Phase A Phase A Phase A Phase A Phase B Phase B Phase B Phase B Encoder NI 17xx Twisted Pair Twisted Pair Phase A Phase A Phase B Phase B 3 3 V 10 kΩ 10 kΩ 10 kΩ 10 kΩ 7 5 kΩ 7 5 kΩ 7 5 kΩ 7 5 kΩ NI 17xx ...

Страница 22: ...object you want to inspect To calculate the horizontal and vertical field of view FOV of your imaging system use Equation 3 1 and the specifications for the image sensor of your smart camera as listed in Appendix A Specifications 3 1 where FOV is the field of view in either the horizontal or vertical direction Pixel Pitch measures the distance between the centers of adjacent pixels in either the h...

Страница 23: ...imilarly the field of view in the vertical direction is 3 3 Based on the result of Equations 3 2 and or 3 3 you can see that you might need to adjust the various parameters in the FOV equation until you achieve the right combination of components that match your inspection needs This might include increasing your working distance choosing a lens with a shorter focal length or changing to a high re...

Страница 24: ...efer to Appendix A Specifications to find the normalized spectral response curves for the VGA and SXGA sensors Partial Scan Mode Partial scan mode is a method of obtaining higher frame rates by reading out only a portion of the image from the sensor Partial scan is frequently used when an application requires higher speed but less resolution than the sensor offers in full scan mode The NI Smart Ca...

Страница 25: ... off between making smaller signals more visible at the cost of increased noise and no longer being able to differentiate between larger signals For most applications the NI Smart Camera default gain setting optimizes the balance between small signals and large signals Figure 3 4 shows what happens when gain is applied to a signal Figure 3 4 Effect of Gain on the Video Signal In Figure 3 4a low ga...

Страница 26: ...s of interest in an image To separate objects under consideration from the background select a pixel value range This pixel value range is known as the gray level interval or the threshold interval When enabled binarization sets all image pixels that fall within the threshold interval to the image white value and sets all other image pixels to black Pixels inside the threshold interval are conside...

Страница 27: ...e on the Advanced tab of the Acquire Image Smart Camera step Refer to the NI Vision Builder for Automated Inspection Configuration Help for more information In MAX use the Lookup Table drop down box on the LUT tab of the smart camera configuration page to enable hardware binarization Refer to the Measurement Automation Explorer Help for NI IMAQ for more information ...

Страница 28: ...ting connector on the NI Smart Camera Caution All signals on the lighting connector are outputs from the smart camera Do not connect any external voltage or current source to any pin on the lighting connector Note The NI 1722 does not offer the Direct Drive lighting controller Do not connect to the LED and LED connectors on the NI 1722 Figure 4 1 NI Smart Camera Lighting Connector Note Additional ...

Страница 29: ...m allowed current for continuous mode and strobed mode For applications with a pause between exposures while new parts move into position you can strobe the light which allows the use of higher current and produces more light thus you can reduce the exposure time A shorter exposure time decreases the time it takes to acquire an image and potentially increases the total throughput of the system Ref...

Страница 30: ... the configured current to be at or below the maximum continuous current Caution If you are using the 5 V strobe output or the 24 V strobe output the software does not impose any limits on the duration or the duty cycle of the strobe output You must ensure that your requested exposure time and the frame rate result in duration and duty cycle that do not violate the limits of the external controlle...

Страница 31: ...ght In Vision Builder AI Select the Lighting tab of the Acquire Image Smart Camera step Click Configure Light Source and select Select Light To use a light that does not have a lighting file you can enter the lighting data manually in MAX or Vision Builder AI In MAX Select the Lighting tab of the NI Smart Camera configuration page Click Configure Light and select Enter Lighting Data Manually In Vi...

Страница 32: ... drop within the specified range of the smart camera The minimum voltage drop specified for the light does not fall below the specified range of the smart camera Under some circumstances some LEDs particularly certain lights with infrared LEDs and lights with only one LED per string present a lower voltage drop than usual and may be incompatible with the smart camera These lights may need to be re...

Страница 33: ...mera a 5 V TTL strobe output and a 24 V strobe output The 5 V TTL strobe output is available for connecting to devices that require a 5 V signal The 24 V strobe output is powered by the voltage from the smart camera power supply and is available for controllers that require higher voltage inputs The 24 V strobe output is nominally a 24 V output if 24 V power is supplied to the smart camera Caution...

Страница 34: ...ols on the Lighting tab of the Acquire Image Smart Camera step Refer to the NI Vision Builder for Automated Inspection Configuration Help for more information about configuring the 5 V TTL and 24 V strobe outputs In LabVIEW configure the 24V Strobe and 5V Strobe lighting properties Refer to the NI IMAQ VI Reference Help for more information about configuring the 5 V TTL and 24 V strobe outputs In ...

Страница 35: ...es how to connect an external lighting controller to the 24 V output on the NI Smart Camera Figure 4 4 Connecting an External Lighting Controller to the 24 V Strobe Output 24 V Strobe Output 18 V 30 V GND Output External Lighting Controller NI 17xx LED ...

Страница 36: ... the image sensor for too long of a time relative to the amount of light in the environment results in a bright low contrast image When the image sensor is exposed for an appropriate amount of time relative to the light in the environment acquired images will exhibit appropriate contrast to easily distinguish both dark and light features Contrast is a key factor in obtaining good results from imag...

Страница 37: ...mages You can configure the NI Smart Camera to acquire images based on internal timing or an external trigger signal In both cases the smart camera can acquire full frame images at the camera s maximum frame rate If partial scanning or binning are enabled the smart camera can acquire images faster than the full frame maximum frame rate Refer to the Maximum Frame Rate section for information about ...

Страница 38: ...programs Vision Builder AI Select the Triggered Acquisition checkbox on the Trigger tab of the Acquire Image Smart Camera step LabVIEW Use the IMAQ Configure Trigger 3 VI MAX Select the Enable Trigger checkbox on the Triggering tab of the smart camera configuration page Figure 5 1 illustrates the relationship between an external trigger a lighting strobe and the exposure time Figure 5 1 Externally...

Страница 39: ...nt If you are strobing a light there is a short delay while the lighting controller turns on the light This delay is represented by the lighting turn on time in Figure 5 1 Table 5 2 lists the lighting turn on times After the lighting turn on time the exposure begins The width of the exposure pulse determines how long the sensor is exposed The exposure time can be adjusted by setting the Exposure T...

Страница 40: ... the Maximum Frame Rate You can determine the maximum frame rate for your configuration in software by reading the Max Frame Rate indicator in Vision Builder AI reading the Max Frame Rate property in LabVIEW or reading the Max Frame Rate indicator in MAX When external triggering is enabled do not trigger faster than the maximum frame rate Note Sending a trigger faster than the maximum frame rate w...

Страница 41: ...um frame rate for selected scan mode Determining the Exposure Time The minimum frame period depends on exposure time lighting mode and trigger delay A longer exposure time results in a longer frame period and a slower maximum frame rate Determining the Lighting Mode If you are not strobing a light using the Direct Drive or the external strobe outputs of the smart camera the smart camera can expose...

Страница 42: ...4 to calculate the minimum frame period for untriggered acquisitions with and without strobing min frame periodNoStrobeNoTrigger T L E 5 3 min frame periodWithStrobeNoTrigger T L E R 5 4 Refer to Equations 5 5 and 5 6 to calculate the minimum frame period for triggered acquisitions with and without strobing min frame periodNoStrobeWithTrigger max T L E Trigger Delay 5 5 min frame periodWithStrobeW...

Страница 43: ...aries depending on the smart camera configuration as shown in Table 5 3 Table 5 3 Image Readout Duration Smart Camera Model Full Scan 1 2 Scan 1 4 Scan Binning NI 1722 NI 1742 NI 1762 16 38 ms 8 86 ms 5 49 ms 8 17 ms NI 1744 NI 1764 76 47 ms 41 38 ms 24 70 ms 38 23 ms ...

Страница 44: ... Figure 6 1 NI Smart Camera LEDs Device Initialization While the NI Smart Camera initializes the POWER LED lights solid green and the STATUS IMG ACQ PASS and FAIL LEDs exhibit a scrolling pattern When the smart camera finishes initializing the STATUS LED lights solid green If the system does not initialize within the expected period of time the STATUS LED flashes a status code Refer to the STATUS ...

Страница 45: ... second while internal systems power up If the POWER LED stays red for longer than one second it indicates that the voltage is out of range STATUS LED The STATUS LED is green during normal operation The NI Smart Camera indicates specific conditions by flashing the STATUS LED as shown in Table 6 1 Table 6 1 STATUS LED Indications LED Behavior LED Color Indication Solid Green The smart camera initia...

Страница 46: ...onfiguring DIP Switches section for information about the SAFE MODE DIP switch 4 Flashes Green The smart camera has experienced two consecutive software exceptions The smart camera automatically restarts after an exception After the second exception the smart camera remains in the exception state alerting you to resolve the problem Reinstall software on the smart camera or contact National Instrum...

Страница 47: ...ls or excessive force when changing the switch position SAFE MODE Switch To start the NI Smart Camera in safe mode move the SAFE MODE switch to the ON position and reapply power or restart the smart camera If the switch is in the ON position when the smart camera starts the smart camera launches only the essential services required for updating configuration information and installing software The...

Страница 48: ... move the IP RESET switch to the OFF position and reapply power or restart the smart camera Keep the IP RESET switch in the OFF position during normal operation NO APP Switch Move the NO APP switch to the ON position to prevent a startup application from running when the NI Smart Camera powers on If you want to permanently disable the application from running when the smart camera powers on you ca...

Страница 49: ...tch only when powering up or restarting and will only display device information during startup When the CONSOLE switch is in the OFF position you can use the smart camera serial port and NI Serial driver software to send and receive serial data The NI Serial software is installed when you install NI IMAQ When using the NI Serial driver keep the CONSOLE switch in the OFF position during normal ope...

Страница 50: ...l or half duplex The smart camera automatically detects the speed and duplex capabilities of its link partner and configures for the fastest common interface The smart camera can also perform auto crossover allowing the use of straight or crossover Ethernet cables independent of the connection configuration When shielded Ethernet cables are being used ensure that the shields on the Ethernet cables...

Страница 51: ...ate network traffic that is not related to the smart camera traffic will often be present on the link In dedicated links between a computer and the smart camera typically the only traffic on the link will be the communication between the computer and the smart camera SPEED LED The SPEED LED indicates the speed of the negotiated link The NI Smart Camera supports 10 Mbps 100 Mbps and 1 000 Mbps 1 Gb...

Страница 52: ...ollowing potential issues before using a DHCP server to assign an IP address to the smart camera If the network has both static IP addresses and IP addresses managed by a DHCP server the DHCP server must be configured to not use reserved static IP addresses If the DHCP server is not configured this way the DHCP server can assign a reserved IP address to another device causing address conflicts on ...

Страница 53: ...n IP address or reassign a static IP address for the subnet where you want the smart camera to reside then physically move the smart camera to the other subnet Refer to Getting Started with the NI 17xx Smart Camera for more information about configuring the smart camera Contact your network administrator if you need assistance configuring the host computer and smart camera on the same subnet 7750 ...

Страница 54: ...e specifications Figure 8 1 shows the location to take temperature measurements on the smart camera Figure 8 1 Measuring the NI Smart Camera Housing Temperature Operating the smart camera above the specified ambient temperature or above the specified case temperature will degrade image quality and can cause permanent damage to the device The smart camera also has a internal temperature sensor that...

Страница 55: ...nting the NI Smart Camera Caution If you choose not to mount the NI Smart Camera to a thermally conductive structure do not position the smart camera with the heat sinks resting on any surface Doing so may violate the thermal requirements of the smart camera and cause the smart camera to overheat Refer to Appendix A Specifications for temperature specifications Figures 8 2 through 8 5 provide the ...

Страница 56: ...the NI Smart Camera with Dimensions Figure 8 5 Bottom View of the NI Smart Camera with Dimensions 30 89 mm 1 216 in 32 80 mm 1 291 in 38 91 mm 1 532 in 50 62 mm 1 993 in 44 14 mm 1 738 in 117 66 mm 4 632 in 33 12 mm 1 304 in 24 78 mm 0 975 in 21 41 mm 0 843 in 25 45 mm 1 002 in 27 86 mm 1 097 in 20 71 mm 0 815 in 13 84 mm 0 545 in Optical Axis ...

Страница 57: ... enabled 24 VDC 20 15 IEC 1311 800 mA Reverse polarity protection Yes Memory SDRAM 128 MB Nonvolatile program data memory 128 MB Image data storage Unlimited using FTP or an Ethernet hard drive Processor NI 1722 Freescale PowerQUICC II Pro 400 MHz NI 1742 1744 Freescale PowerQUICC II Pro 533 MHz NI 1762 1764 Freescale PowerQUICC II Pro 533 MHz and Texas Instruments DSP 720 MHz VGA Sensor NI 1722 1...

Страница 58: ...xel 8 bits 256 gray levels Minimum exposure time 36 28 μs Exposure time increment 31 2 μs Spectral characteristics Refer to Figure A 1 Figure A 1 VGA Sensor Spectral Response Curve Gamma 1 0 fixed SXGA Sensor NI 1744 1764 Only Sensor Sony CCD ICX205AL Active pixels SXGA Full scan 1 280 1 024 1 2 scan 1 280 512 1 Refer to the Maximum Frame Rate section of Chapter 5 Image Acquisition for more inform...

Страница 59: ...ing 1 2 Up to 26 fps Optical format 1 2 in Sensor readout Progressive scan Bits per pixel 8 bits 256 gray levels Minimum exposure time 76 68 μs Exposure time increment 71 6 μs Spectral characteristics Refer to Figure A 2 Figure A 2 SXGA Sensor Spectral Response Curve Gamma 1 0 fixed 1 Refer to the Maximum Frame Rate section of Chapter 5 Image Acquisition for more information about calculating the ...

Страница 60: ...ximum strobe duty cycle 45 5 V external strobe Polarity Programmable Strobe frequency Operating frame rate VOH minimum 3 8 V VOL maximum 0 55 V IOH maximum 12 mA IOL maximum 12 mA 24 V external strobe Polarity Active high Strobe frequency Operating frame rate ON state Voltage Unregulated output drawn from the smart camera power supply Current 16 mA maximum OFF state Voltage Not driven Current Not ...

Страница 61: ...voltage 0 V to 1 V ON state Input current 3 mA to 5 4 mA Input voltage 20 V to 30 V Minimum pulse width 1 ms Isolated Outputs Channels 2 Output type Sinking sourcing independently configurable External load power supply range 19 V to 30 V Output current 100 mA maximum per channel Quadrature Encoder NI 1742 1744 1762 1764 Only Encoder type Differential RS 422 phase A phase B no index Physical Chara...

Страница 62: ...es up to 2 000 m Safety The NI Smart Camera meets the requirements of the following standards for safety and electrical equipment for measurement control and laboratory use IEC 61010 1 EN 61010 1 UL 61010 1 CSA 61010 1 Note For UL and other safety certifications refer to the product label or visit ni com certification search by model number or product line and click the appropriate link in the Cer...

Страница 63: ...dous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to the Minimize Our Environmental Impactweb page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this document Waste Electrical and Electronic Equ...

Страница 64: ...ble for DHCP use on your network or the DHCP server assigns the same IP address to another device Either remove or reconfigure the other device or reconfigure the smart camera to use a different IP address by moving the IP RESET DIP switch to the ON position and reapplying power or restarting the smart camera Refer to the IP RESET Switch section of Chapter 6 LEDs and DIP Switches for more informat...

Страница 65: ...ade the software is interrupted or if system files are deleted from the smart camera by the user Reinstall software on the smart camera Refer to Getting Started with theNI 17xx Smart Camera for information about installing software on the smart camera The smart camera experienced two consecutive software exceptions The smart camera automatically restarts after an exception After the second excepti...

Страница 66: ...d within an enclosure the ambient temperature of the camera is the temperature inside the enclosure which can be notably warmer than the ambient temperature outside the enclosure 2 Measure the smart camera housing temperature at the location indicated in Figure 8 1 Measuring the NI Smart Camera Housing Temperature and verify that it is within specifications You must remove power bring the temperat...

Страница 67: ...your lighting settings in MAX or Vision Builder AI You have requested an amount of current within the specified range of the smart camera and within the maximum lighting current settings you configured in MAX or Vision Builder AI If your application requests more current than either of these two options the smart camera disables the Direct Drive until an allowable current level is requested and th...

Страница 68: ...g strobe in MAX or Vision Builder AI Complete one of the following procedures to enable the correct lighting strobe MAX 1 Launch MAX 2 In the Configuration tree expand Devices and Interfaces 3 Expand NI IMAQ Devices 4 Expand the smart camera you are using 5 Select the channel you are using 6 Select the Lighting tab 7 Select the appropriate strobe from the External Strobe Generation control Vision ...

Страница 69: ...I Smart Camera is Powered On If the power supply is properly connected to the smart camera but the POWER LED does not light up check that the power supply is 24 V 20 15 and within the specifications outlined in Appendix A Specifications Verify that the power supply can supply enough current for the smart camera model in use Using a power supply that is not within these specifications might result ...

Страница 70: ...oid drastic temperature changes to prevent dew condensation When necessary use the following procedure to clean the sensor at a workstation equipped with anti ESD facilities If dust sticks to the CCD first attempt to blow it off from the side of the sensor using ionized air If oils are present on the sensor clean the sensor with a cotton bud and ethyl alcohol Be careful not to scratch the glass Us...

Страница 71: ...Service Program SSP with the purchase of most software products and bundles including NI Developer Suite NI also offers flexible extended contract options that guarantee your SSP benefits are available without interruption for as long as you need them Visit ni com ssp for more information For information about other technical support options in your area visit ni com services or contact your local...

Страница 72: ...ort and Professional Services You also can visit the Worldwide Offices section of ni com niglobal to access the branch office Web sites which provide up to date contact information support phone numbers email addresses and current events ...

Страница 73: ...ty values Objects in the image usually have a pixel intensity of 1 or 255 and the background has a pixel intensity of 0 C CCD Charge Coupled Device A chip that converts light into electronic signals D DIP switch Dual Inline Package switch Direct Drive lighting controller A lighting controller integrated into some models of the National Instruments smart camera that can directly power current contr...

Страница 74: ...state to the low state field of view The area of inspection that the camera can acquire fps Frames per second G gain The amount of increase in signal power voltage or current expressed as the ratio of output to input I IEC International Electrotechnical Commission A standard setting body IEEE Institute of Electrical and Electronics Engineers A standard setting body I O Input output The transfer of...

Страница 75: ...omation process control and manufacturing systems pulse train A signal consisting of a series of continuous pulses Q quadrature encoder An encoding technique for a rotating device where two tracks of information are placed on the device with the signals on the tracks offset by 90 degrees from each other The phase difference indicates the position and direction of rotation R rising edge The digital...

Страница 76: ...ntrol Protocol A set of standard protocols for communicating across a single network or interconnected set of networks TCP is for high reliability transmissions trigger Any event that causes or starts some form of data capture V VDC Volts direct current VGA sensor Video Graphics Array sensor Image sensor that features a resolution of 640 480 pixels VI Virtual Instrument A combination of hardware a...

Страница 77: ...sinking output sensors to isolated inputs 2 4 sourcing output sensors to isolated inputs 2 3 to a quadrature encoder 2 6 to serial devices 2 5 CONSOLE DIP switch 6 6 D Declaration of Conformity NI resources D 1 detailed specifications A 1 device initialization 6 1 diagnostic tools NI resources D 1 DIP switches 6 1 Direct Drive 4 2 connecting a light 4 5 lighting files 4 3 selecting a light 4 4 doc...

Страница 78: ...communicating with the console 2 6 connecting an external lighting controller 4 6 an isolated output to a sinking external load 2 5 an isolated output to a sourcing external load 2 4 sinking output sensors to isolated inputs 2 4 sourcing output sensors to isolated inputs 2 3 to a quadrature encoder 2 6 to serial devices 2 5 device initialization 6 1 dimensions 8 2 DIP switches 6 1 Direct Drive 4 2...

Страница 79: ... Automated Inspection documents xi NI Vision Development Module documents xii NI IMAQ documents xii S SAFE MODE DIP switch 6 4 selecting a light 4 4 software application 1 4 NI resources D 1 programming choices 1 3 specifications A 1 SPEED LED 7 2 STATUS LED 6 2 indications 6 2 subnet considerations 7 4 support technical D 1 SXGA sensor 3 1 T technical support D 1 thermal considerations 8 1 traini...

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