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NI CVS-1450 Series User Manual

1. Transmitting Equipment NI CVS 1450 device Figure 3 8 Example Connections When connecting to TTL inputs on the NI CVS 1450 device match the output impedance of the transmitting device to the characteristic impedance of the cable For example if the cable characteristic impedance is 118 Q make R equal to 118 Q as shown in Figure 3 8 National Instruments Corporation 3 15 NI CVS 1450 Series User Manual Chapter 3 Digital I O Functionality Typical System Setup NI CVS 1450 Series User Manual Digital I O configuration varies depending on the number of cameras your system setup requires You can access the digital I O through the 44 pin DSUB connector or through the three SMB connectors The digital I O capabilities of the SMB connectors on the NI CVS 1450 device are ideal for typical single camera applications The SMB connectors are labeled TRIG 0 TRIG 1 and TRIG 2 Table 3 5 summarizes a typical single camera configuration Table 3 5 Typical Single Camera System Setup Signal Name Signal Type Purpose TRIG 0 Isolated input Trigger input from proximity sensor or external device TRIG 1 Timed pulse TTL output Exposure start and control signal to camera TRIG 2 Timed pulse TTL output Strobe light control 3 16 ni com Chapter 3 Digital I O Functionality Figure 3 9 illustrates a typical single camera setup
2. 50 8 mm lt 50 8 mm i 2 00 in 2 00 in Figure B 4 Space and Cabling Clearance for the NI CVS 1450 Series Complete the following steps to secure the NI CVS 1450 device to your mount 1 Align the screw holes of your mounting bracket with the four holes on the back of the NICVS 1450 device Figure B 1 shows the location of the mounting holes on the NI CVS 1450 Insert four 4 40 UNC screws and tighten them until they are secure 3 5 in lb Make sure that the heads of the screws are flush with the mounting bracket B 4 ni com Technical Support and Professional Services Visit the following sections of the National Instruments Web site at ni com for technical support and professional services National Instruments Corporation Support Online technical support resources at ni com support include the following Self Help Resources For answers and solutions visit the award winning National Instruments Web site for software drivers and updates a searchable KnowledgeBase product manuals step by step troubleshooting wizards thousands of example programs tutorials application notes instrument drivers and so on Free Technical Support All registered users receive free Basic Service which includes access to hundreds of Application Engineers worldwide in the NI Discussion Forums at ni com forums National Instruments Application Engineers make sure eve
3. The IEEE 1394 bus provides a fixed amount of bandwidth that is shared among the three IEEE 1394a ports on the NI CVS 1450 device These ports provide direct connection for up to three DCAM compliant IEEE 1394 cameras depending on the amount of bandwidth each camera requires Higher frame rates and larger image sizes require a higher data transfer rate and use more bandwidth Table 1 1 shows the maximum number of cameras the NI CVS 1450 device supports for three common video formats Use this table as a guide when determining the combination of cameras to use in your application Note Bandwidth calculations described in Table 1 1 do not include software decoding of YUV images to RGB This conversion time is dependent on processor speed By triggering your cameras at a frame rate slower than those rates listed in Table 1 1 you can operate more cameras simultaneously If the camera National Instruments Corporation 1 3 NI CVS 1450 Series User Manual Chapter 1 NI CVS 1450 Series Overview combination exceeds the amount of available bandwidth the software returns an Insufficient Resources error Table 1 1 Available Camera Bandwidth Maximum Number Frames of Cameras for Video Format per Second Simultaneous Operation 640 x 480 30 3 8 bits pixel 1ts p1xel mono 60 1 100 1 640 x 480 YUV 15 3 4 2 2 16 bits pixel color 30 f 1024 x 768 7 5 2 16 bits pixel mono 15 1 Software Overview
4. All rights reserved Important Information Warranty The NI CVS 1450 device is warranted against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor The media on which you receive National Instruments software are warranted not to fail to execute programming instructions due to defects in materials and workmanship for a period of 90 days from date of shipment as evidenced by receipts or other documentation National Instruments will at its option repair or replace software media that do not execute programming instructions if National Instruments receives notice of such defects during the warranty period National Instruments does not warrant that the operation of the software shall be uninterrupted or error free A Return Material Authorization RMA number must be obtained from the factory and clearly marked on the outside of the package before any equipment will be accepted for warranty work National Instruments will pay the shipping costs of returning to the owner parts which are covered by warranty National Instruments believes that the information in this document is accurate The document has been carefully reviewed for technical accuracy In the event that technical or typographical er
5. Chapter 3 Digital 1 0 Functionality Table 3 4 Configuration Settings and Effects Configuration Settings Configuration Effects SAFE Fault MODE Shutdown Outputs Change to Condition DIP Enabled Processing Halts User Defined States External On N A N A No Shutdown Off On Yes Yes Off Off No No Watchdog On N A N A No Off On Yes Yes Off Off Yes No Overheat On N A Yes No Off On Yes Yes Off Off Yes No Shutdown NI CVS 1450 Series User Manual Shutdown mode is a software enabled feature that when activated allows an external device to halt the NI CVS 1450 device processing operations Additionally shutdown mode allows you to specify user defined shutdown states for all fault conditions When shutdown mode is enabled and the shutdown input signal ISO Input 11 turns off the NI CVS 1450 device registers an external shutdown condition When this fault occurs the POWER OK LED turns red and all system operation halts To resume operation you must reset the NI CVS 1450 device For all fault conditions outputs operate according to user defined shutdown states Each TTL output is configurable to drive high drive low or 3 state and each isolated output is on off configurable Shutdown mode is unavailable when the SAFE MODE DIP switch is turned on Refer to Table 3 4 for a summary of how user configuration affects the shutdown condition ni com Chapter 3 Digital I
6. Refer to the Specifications section of Getting Started with the NI CVS 1450 Series Compact Vision System for switching thresholds and current requirements UN Caution Do not apply a voltage greater than 30 VDC to the isolated inputs Doing so could damage NI CVS 1450 device Sourcing Output A ee Device i f Viso Vo 1 Input Current H Limiter i l ROPIE gt PAR Ciso lA asma i i JN i NI CVS 1450 device Figure 3 5 Example of Connecting an Isolated Input to a Sourcing Output Device NI CVS 1450 Series User Manual 3 12 ni com Chapter 3 Digital I O Functionality Wiring an Isolated Output to an External Load The digital output circuit sources current to external loads as shown in the example in Figure 3 6 UN Caution Do not draw more than 100 mA from 24 V or 30 V isolated outputs Do not draw more than 50 mA from 5 V isolated outputs Vee NI CVS 1450 device Figure 3 6 Example of Connecting an Isolated Output to an External Load National Instruments Corporation 3 13 NI CVS 1450 Series User Manual Chapter 3 Digital I O Functionality Protecting Inductive Loads When an inductive load such as a relay or solenoid is connected to an output a large counter electromotive force may occur at switching time due to energy stored in the inductive load This flyback voltage can da
7. 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 NI CVS 1450 Series User Manual C 2 ni com Glossary Symbol Prefix Value u micro 10 6 m milli 10 3 k kilo 103 M mega 106 B buffer Temporary storage for acquired data D DCAM compliant Cameras that comply with the IIDC 1394 based Digital Camera Specification Version 1 30 DIP switch Dual Inline Package switch E Ethernet cable CAT 5 or CAT 6 Ethernet cable used to connect a Real Time target to a standard network port Ethernet crossover CAT 5 or CAT 6 cable used for direct connection between the development cable computer and the Real Time target F falling edge The digital signal transition from the high state to the low state IEEE Institute of Electrical and Electronics Engineers A standard setting body National Instruments Corporation G 1 NI CVS 1450 Series User Manual Glossary LED MAC NI IMAQdx PLC pulse train R rising edge RS 232 S subnet TCP trigger NI CVS 1450 Series User Manual Light emitting diode Media access control The MAC address uniquely identifies each unit connected to a network Driver software for National Instruments IEEE 1394 and Gigabit Ethernet interface devices Programmable Logic Controller An industrial computer u
8. 1 Pulse 1 4 5 TTL Output 2 Pulse 2 6 T7 TTL Output 3 Pulse 3 7 8 TTL Output 4 Pulse 4 18 20 Watchdog Output 1 TTL Output 0 3 4 General Purpose Output 3 TTL Output 5 19 21 TTL Output 6 21 23 TTL Output 7 22 24 Isolated Inputs and Outputs The isolated inputs and outputs on the NI CVS 1450 device have a separate ground reference from the main NI CVS 1450 device supply providing an easy means to prevent ground loops that can introduce noise into a system You can apply signals up to 30 V to the isolated inputs The voltage swing of the isolated outputs is determined by the Viso you supply on the connector 3 Note The isolated outputs have current limiting protection circuitry If this circuitry is tripped you can re enable the outputs by restarting the NI CVS 1450 device or by toggling the output state in the software NI CVS 1450 Series User Manual 3 2 ni com Chapter 3 Digital I O Functionality Table 3 2 summarizes the isolated inputs and outputs available on the NI CVS 1450 device Table 3 2 Isolated Inputs and Outputs 44 Pin DSUB on NI CVS 1450 37 Pin Inputor Number Signal Device Terminal Block Primary Function Output Available Names Pin Number Pin Number Trigger Input 3 TRIG 0 uz ISO Input 5 35 15 ISO Input 8 40 27 Quadrature Encoder Input 1 ISO Input 6 37 25 ISO Input 7 38 26 External Shutdown Input 1 ISO Input 11 44 31 Control Product Selecti
9. 3 NI CVS 1450 Series User Manual Digital I O Functionality Using ISO Input 5 as a Latch You can configure the product selection port to use ISO Input 5 as a latch A rising edge on ISO Input 5 can latch the data into a data register on the NI CVS 1450 device Before each inspection the software checks the status of the product select inputs and reads the most recent value latched into the register Note In Vision Builder AI ISO Input 5 is always designated as a latch Table 3 3 lists the product selection ports Table 3 3 Product Selection Port Function External Connection Data 5 rising edge latch ISO Input 5 Data 4 ISO Input 4 Data 3 ISO Input 3 Data 2 ISO Input 2 Data 1 ISO Input 1 Data 0 ISO Input 0 General Purpose 1 0 General purpose inputs and outputs are available as both TTL and isolated connections At any time the software running on the NI CVS 1450 device can read the inputs and drive the outputs high or low General Purpose Inputs The primary difference between general purpose inputs and trigger inputs is that you cannot use general purpose inputs to initiate a timed pulse generator In an application use the general purpose inputs to get the status of the inputs at a given point and not to synchronize the NI CVS 1450 device with an external event An example of how to use general purpose inputs is reading the status of a general purpose input as the first step
10. 3 NI CVS 1450 Series User Manual Troubleshooting This appendix provides instructions for troubleshooting the NI CVS 1450 device Software Configuration Problems NI CVS 1450 Device Does Not Appear in MAX or in Vision Builder Al Possible causes and solutions National Instruments Corporation Verify that there is power to the NI CVS 1450 device and that both the NI CVS 1450 device and the development computer are properly connected to the network The POWER OK LED should be lit When you click Browse the ACT LINK LED on the NI CVS 1450 device should flash to indicate that communications are taking place Certain network devices such as switches and routers may filter out the directed UDP broadcast packets the development computer uses to communicate with unconfigured NI CVS 1450 devices even if these devices are on the same subnet You can test this by connecting the development computer and the NI CVS 1450 device directly to a network port or by using a crossover cable between the NI CVS 1450 device and the development computer If the NI CVS 1450 device appears in the software using this configuration but not when connected to the larger network the network is not properly communicating with the NI CVS 1450 device Consult your network administrator The NI CVS 1450 device may have been configured on another network and then moved to the current network Reconfigure the NI CVS 1450 device on the current network
11. BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL INSTRUMENTS THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION Compliance Compliance with FCC Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission FCC has rules to protect wireless communications from interference The FCC places digital electronics into two classes These classes are known as Class A for use in industrial commercial locations only or Class B for use in residential or commercial locations All National Instruments NI products are FCC Class A products Depending on where it is operated this Class A product could be subject to restrictions in
12. Developing applications with the NI CVS 1450 device requires one of the following software options Vision Builder for Automated Inspection br LabVIEW LabVIEW Real Time Module NI Vision Development Module NI Vision Acquisition Software or The installation and configuration process for each development environment is different Refer to Getting Started with the NI CVS 1450 Series Compact Vision System for installation and configuration instructions The following sections describe the software options For detailed information about individual software packages refer to the documentation specific to the package NI CVS 1450 Series User Manual 1 4 ni com Chapter 1 NI CVS 1450 Series Overview NI Vision Builder for Automated Inspection Vision Builder Al Vision Builder AI is configurable machine vision software that you can use to prototype benchmark and deploy machine vision applications Creating applications in Vision Builder AI does not require programming However Vision Builder AI applications are scalable to the LabVIEW Real Time Module It also 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 perform powerful visual inspection tasks and make decisions based on the results of individual tasks You can also migrate your configured inspection to LabVIEW ext
13. Ethernet crossover cable National Instruments Corporation NI CVS 1450 Series User Manual Chapter 2 TRIG 0 Ez A Ez A LEDs DIP Switches and Connectors The TRIG 0 isolated input on the NI CVS 1450 device provides connection to external devices such as proximity sensors and start stop buttons For easy connection to the TRIG 0 input use the National Instruments SMB 111 coaxial cable part number 763422 01 Note Additional isolated inputs are available on the 44 pin DSUB connector Caution These isolated inputs are compatible with 5 V logic if the external circuit meets the voltage and current requirements listed in the Specifications section of Getting Started with the NI CVS 1450 Series Compact Vision System TRIG 1 and TRIG 2 You can use the two TTL outputs available on the SMB connectors for triggering cameras and external interfaces such as lighting control units For easy connection to the TTL outputs use the National Instruments SMB 111 coaxial cable part number 763422 01 Note Additional TTL outputs are available on the 44 pin DSUB connector Caution Do not connect voltage or current sources to TTL outputs Doing so could damage the NI CVS 1450 device General Purpose Digital 1 0 3 NI CVS 1450 Series User Manual The 44 pin DSUB connector shown in Figure 2 8 provides access to the general purpose digital inputs and outputs The general purpose digital T O available on this connector includes
14. The grade of cable you are using may be insufficient for the speed of your network or you may be using the wrong type of Ethernet cable Use a straight through cable when connecting to network hardware Use a crossover cable to connect directly to the development computer A 1 NI CVS 1450 Series User Manual Appendix A Troubleshooting e Another device on the network is using the IP address assigned to the NICVS 1450 device Either remove or reconfigure the other device or reconfigure the NI CVS 1450 device IP address e The DIP switch settings on the NI CVS 1450 device may be invalid such as all switches set to the ON position Change the DIP switch settings and reset the NI CVS 1450 device by pressing the RESET button on the NI CVS 1450 device for at least two seconds e The CVS 1450 device is configured to acquire an IP address from a DHCP server but no DHCP server is available After three unsuccessful attempts to acquire an IP address from a DHCP server the CVS 1450 device will reboot and enter an unconfigured state In the unconfigured state the CVS 1450 device will have an IP address of 0 0 0 0 and the LabVIEW Real Time engine will not load In the unconfigured state the CVS 1450 device has network connectivity If the CVS 1450 device is on the same subnet as the host computer then refreshing the list of remote devices in MAX or Vision Builder AI will cause the CVS 1450 device to appear with an IP address of 0 0 0 0 Use MAX or
15. Vision Builder AI to reconfigure the CVS 1450 device IP address Then reboot the CVS 1450 device Error When Configuring IP Settings for the NI CVS 1450 Device The NI CVS 1450 device cannot be configured if the subnet mask or IP address is incompatible with the network settings Verify that the values entered for all network parameters are valid Status of NI CVS 1450 Device in MAX and Vision Builder Al is No Software Installed Install application and driver software on the NI CVS 1450 device Refer to Getting Started with the NI CVS 1450 Series Compact Vision System for installation instructions No Camera Found Verify that the total power requirements of the cameras do not exceed the power the NI CVS 1450 device provides on the IEEE 1394 bus Verify that the cameras comply with the IIDC Digital 1394 based Camera Specification Version 1 30 NI CVS 1450 Series User Manual A 2 ni com Appendix A Troubleshooting Formatting the NI CVS 1450 Device Compact Flash Memory Complete the following steps to format the Compact Flash memory and restore the NI CVS 1450 device to its original state Caution Formatting the Compact Flash memory overwrites all of the files on the NI CVS 1450 device Back up any user data files you want to preserve to another computer before formatting the Compact Flash memory 1 Start the NI CVS 1450 device in safe mode To start in safe mode enable the SAFE MODE DIP switch on the front of the NI CVS 1450 de
16. a PL O 77 i i i Mies Q One i i 1 Somaeaviionsysem me M x 164 w A 1 Lighting Control Unit 3 Inspection Items 2 Lighting Ring 4 Proximity Sensor Figure 3 9 Typical Single Camera Setup National Instruments Corporation 3 17 NI CVS 1450 Series User Manual Deployment This chapter provides guidelines for connecting the NI CVS 1450 device to a network Connecting Multiple NI CVS 1450 Devices An Ethernet connection between the development computer and the NI CVS 1450 device allows you to assign an IP address configure the NI CVS 1450 device download inspection tasks and remotely monitor an ongoing inspection As with all Ethernet devices you can connect multiple NI CVS 1450 devices to the same network as shown in Figure 4 1 Figure 4 1 Multiple NI CVS 1450 Devices Connected to the Same Network National Instruments Corporation 4 1 NI CVS 1450 Series User Manual Chapter 4 Deployment To connect multiple NI CVS 1450 devices to the same network each NI CVS 1450 device must have a unique IP address By default the configuration utility running on the development computer displays each NI CVS 1450 device that exists on the subnet To add entries for NI CVS 1450 devices that exist on other subnets you must know the IP address assigned to each NI CVS 14
17. a ar anar Ra a a n a r a e aa 1 1 Functional OVerview ina eene E E EE N A E R 1 3 Available Camera Bandwidth ccccccccccsssssccccesssssecceecsssscececeessseeeecessssseeceeesssseeeceeses 1 3 SOLtWare OVErvie O 1 4 NI Vision Builder for Automated Inspection Vision Builder AD 1 5 Tea VIEW nai taa aaa 1 5 LabVIEW Real Time Module ooooooooncconococoncconoononcnonononananonononanananons 1 6 NI Vision Acquisition SO tWAI8 ooooconocnocnnoncnanonnnoncnnnonnnonncanorononnno 1 7 Chapter 2 LEDs DIP Switches and Connectors LED Indicators ci idea 2 1 POWER OK ED srt dal dias aiii ibid 2 2 STATUS LED a tit 2 2 ACTTINK LED canada dica 2 2 10 100 Mbps LED cioccionionioniconcnicnnccnodanenotcc onda inde i i a e era 2 2 IDI A ESANA YT TEPA EEI ET EE POA EEA E E E E EISA EE EEOAE EEEE 2 3 SAFE MODES Witch E a TaN 2 4 IPRESE TS Within 2 5 NO APP With ea 2 5 USER 1 Switch LabVIEW Real Time Module Users ooooocnnoccnnonccnononnnnnns 2 5 Connectors iia A A a a eh AA 2 6 Power Commenti ita cia 2 6 Earth Ground Connection cccocooocnnnnononnnnnnnonononannncnnnannnnnononanannnncnonnnos 2 7 TERESA iu dd ri diodes ete eek 2 8 hE EEE E hehe eae oa wave Davee 2 8 COMA essere di Sos sw Gee EE Seek HR Bi ESCO N at toes a 2 10 ELE ene 2 11 TRIG O iis asset bes ese A A A testes E BAA 2 12 TRIG1 and TRIG 2 ua A el eR oes 2 12 General Purpose Digital VO reiron E A E EE 2 12 National Instruments Corporation v NI CVS 1
18. configuration for the NI CVS 1450 device from a development machine on the same subnet or you can use an Ethernet crossover cable to connect the NI CVS 1450 device directly to the development computer To prevent the NI CVS 1450 device from automatically running VIs at startup move the NO APP switch to the ON position and reset the NI CVS 1450 device If the NI CVS 1450 device becomes inaccessible because of a startup program enable the NO APP switch and reset the NI CVS 1450 device USER 1 Switch LabVIEW Real Time Module Users SAFE MODE IP RESET NO APP USER 1 The USER 1 switch is user configurable and has no default functionality Use the RT Read Switch VI to read the USER 1 switch state and perform a custom action based on the current switch state position National Instruments Corporation 2 5 NI CVS 1450 Series User Manual Chapter 2 Connectors LEDs DIP Switches and Connectors This section describes the connectors on the NI CVS 1450 device and includes pinouts and signal descriptions for each connector Table 2 1 summarizes the functions of the connectors on the NI CVS 1450 device Table 2 1 NI CVS 1450 Device Connectors Overview Peripheral External Connectors Function Power 4 position power Main power and power for isolated outputs connector TEEE 1394a 6 pin IEEE 1394 Power and data connection to IEEE 1394 cameras VGA 15 pin female DSUB
19. in Figure B 1 Back View of the NI CVS 1450 Series with Dimensions 127 25 mm 5 010 in O 103 12 mm e mm 4 060 in 112 09 mm 4 in 4 413 in yo TITANES ERA Y AS AA eee oe tee eee Y Figure B 2 Side View of the NI CVS 1450 Series with Dimensions NI CVS 1450 Series User Manual B 2 ni com Appendix B Mounting Information 6 32 UNC Grounding Lug 19 79 mm 0 779 in 62 56 mm lt 2 463 in gt Figure B 3 Bottom View of the NI CVS 1450 Series with Dimensions 3 Note You can ground the NI CVS 1450 device to your mount by connecting a grounding wire to the grounding lug on the NI CVS 1450 device Refer to the Earth Ground Connection section of Chapter 2 LEDs DIP Switches and Connectors for more information about the grounding lug UN Caution Your installation must meet the following space and cabling clearance requirements for optimum cooling e Allow 76 2 mm 3 0 in on the top and bottom of the NI CVS 1450 device for air circulation e Allow 50 8 mm 2 0 in on the sides of the NI CVS 1450 device for air circulation e Allow enough space in front of the NI CVS 1450 device to connect cables National Instruments Corporation B 3 NI CVS 1450 Series User Manual Appendix B Mounting Information Refer to Figure B 4 for a illustration of the space and cabling requirements for the NI CVS 1450 Series NI CVS 1450 Series User Manual
20. of the ACT LINK LED on the NI CVS 1450 device The green 10 100 Mbps LED is lit when the network provides 10 100 Mbps support and the NI CVS 1450 device is communicating at 10 100 Mbps If the 10 100 Mbps LED is not lit the NI CVS 1450 device is not operating at 10 100 Mbps 2 2 ni com Chapter 2 LEDs DIP Switches and Connectors Figure 2 2 shows the location of the 10 100 Mbps LED on the NI CVS 1450 device NATIONAL a INSTRUMENTS exes ic Ven system Figure 2 2 ACT LINK and 10 100 Mbps LEDs DIP Switches This section describes the SAFE MODE IP RESET NO APP and USER 1 DIP switches on the NI CVS 1450 device To enable a DIP switch move the switch to the ON left position and then reset the NI CVS 1450 device by pressing the RESET button for at least two seconds ay Note You must reset the NI CVS 1450 device in order for the setting change to occur National Instruments Corporation 2 3 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors Figure 2 3 shows the location of the DIP switches on the NI CVS 1450 device OINSTROMENTs O Ops NI 1454 Mlms OB a Om ole Or A e MQSS SAFEMODE gt MIQSSJIP RESET O EANO APP i A USER 1 DIGITAL VO Figure 2 3 DIP Switches SAFE MOD
21. 100 kHz making the maximum encoder rate 400 000 counts s The quadrature encoder can also be used as a timebase for the pulse generation delay Figure 3 4 shows a rising edge trigger and a low pulse with a quadrature encoder delay and a microsecond width Trigger _ Low Pulse Delay Width Phase A j Phase B E Figure 3 4 Rising Edge Trigger Low Pulse with a Quadrature Encoder Delay Product Selection Port The product selection port consists of a group of five isolated digital inputs that the software running on the NI CVS 1450 device reads simultaneously You can program the NI CVS 1450 device to switch between up to 32 25 inspection sequences for different parts on an assembly line Based on the input to the product selection port you can configure the application software to run the appropriate inspection sequence For example an upstream NI CVS 1450 device programmed for part classification might drive the product selection port of a downstream NI CVS 1450 device Alternatively a PLC with information about which part is being inspected can drive the product selection port of the NI CVS 1450 device National Instruments Corporation 3 7 NI CVS 1450 Series User Manual Chapter 3
22. 2 TTL inputs 8 TTL outputs 12 isolated inputs and 4 isolated outputs For easy connection to the digital T O connector use the NI Vision I O Terminal Block and Prototyping Accessory part number 779166 01 For detailed information about digital I O functionality and recommended use cases refer to Chapter 3 Digital I O Functionality Note Isolated inputs are compatible with 5 V logic if the external circuit meets the voltage and current requirements listed in the Specifications section of Getting Started with the NI CVS 1450 Series Compact Vision System 2 12 ni com A Chapter 2 LEDs DIP Switches and Connectors NATIONAL sons INSTRUMENTS QO wen oK NI 1454 Figure 2 8 44 Pin DSUB Connector Table 2 5 lists pin numbers signal names and signal descriptions for the 44 pin connector on the NI CVS 1450 device and the 37 pin connector on the NI Vision I O Terminal Block and Prototyping Accessory Caution Do not draw more than 500 mA combined from the Viso pins on the 44 pin DSUB connector Do not draw more than 100 mA from 24 V or 30 V isolated outputs Do not draw more than 50 mA from 5 V isolated outputs Table 2 5 44 Pin DSUB and 37 Pin Terminal Block Connector Signals 44 Pin DSUB on 37 Pin NI CVS 145 Terminal 0 Device Block Pin Number Pin Number Signal Name Primary Function Alternate Function 1 1 TTL Input 0 Pulse gener
23. 450 Series User Manual Contents Chapter 3 Digital 1 0 Functionality SN 3 1 TTL and Isolated Inputs and Outputs 0 eee eseceseceeeeseceseeseceseeaeeneseaesneeesessaes 3 1 TTLInputs and Outputs metida ora 3 2 Isolated Inputs and Outputs eee cece eeceseeeseseeeeseceesseeaeceseeseseseeasenaeeaes 3 2 T O for Normal Operation 0 cece eteinen i K a 3 3 Trierer Impulsora nta da 3 3 Timed Pulse Output sass aid 3 4 Quadrature Encoder ivi cidad 3 7 Product Selection Port sarees ni a rn ncnnnonnras 3 7 General Purpose Oia cias 3 8 T O for Fault Conditions iii lin ad de cto dado 3 9 SOUTO WN iia dia tacrd tale 3 10 Watchdog Timer cial 3 11 OVETNE AL fecal anene EEE E E EE E E RERE et 3 12 Considerations When Connecting the Digital 1 O oonnoncnnnnininnnnonncancnnnononancnnnnancnncrnnos 3 12 Wiring an Isolated Input to a Sourcing Output Device eee 3 12 Wiring an Isolated Output to an External Load 0 eee eee eeeeseeeeeeees 3 13 Protecting Inductive Loads oooocnocnnocnocnoonconcnnnonncnnncnnonnncnncnn aa ncnc nana 3 14 Transmission Line Effects enan e a nono cnn crono nan cnn cnn ncncrnnos 3 15 Typical Systemi Setup et tilda td 3 16 Chapter 4 Deployment Connecting Multiple NI CVS 1450 DeviceS ooconcnoonnoconononnconncononnncnnonnncnnonnncanonnnonncnnnons 4 1 Appendix A Troubleshooting Appendix B Mounting Information Appendix C Technical Support and Professional Services Glossary Index NI CVS 1450 Series User Manual vi
24. 50 device This feature allows remote configuration programming and monitoring of any NI CVS 1450 device not protected by a firewall or user password Use the NI CVS 1450 device serial number and media access control MAC address to uniquely identify each unit The serial number and MAC address are printed on the top side of each NI CVS 1450 device as shown in Figure 4 2 Figure 4 2 Serial Number and MAC Address Label on the NI CVS 1450 Device The configuration environment on the host machine displays these values in order to distinguish one NI CVS 1450 device from another In addition to distinguishing units based on serial number and MAC address you can also assign each NI CVS 1450 device a descriptive name in the configuration environment NI CVS 1450 Series User Manual 4 2 ni com Chapter 4 Deployment When configured to run an inspection the NI CVS 1450 device can run autonomously without connection to the host machine All image acquisition inspection decision making and I O occurs on the NI CVS 1450 device itself For local monitoring of the inspection you can connect a monitor directly to the Video Out connector on the NICVS 1450 device as shown in Figure 4 3 Figure 4 3 NI CVS 1450 Device Connected to a Monitor At any time you can reconnect the host machine to the NI CVS 1450 device and remotely monitor progress National Instruments Corporation 4
25. E Switch QA SAFE MODE IP RESET NO APP USER 1 ON lt NI CVS 1450 Series User Manual 2 4 To start the NI CVS 1450 device in safe mode move the SAFE MODE switch to the ON position and reset the NI CVS 1450 device Use safe mode to reconfigure TCP IP settings and to download or update software from the development computer Downloading incorrect software to the NI CVS 1450 device may cause it to hang during restart or become inaccessible over the network Powering on or resetting the NI CVS 1450 device in safe mode starts the NI CVS 1450 device but does not start the embedded LabVIEW Real Time engine To resume normal operations restart the NI CVS 1450 device with the SAFE MODE switch in the OFF position ni com IP RESET Switch SAFE MODE QUE ip RESET NO APP 5 USER 1 ON lt NO APP Switch SAFE MODE IP RESET Sl No APP USER 1 ON lt Chapter 2 LEDs DIP Switches and Connectors To clear the NI CVS 1450 device IP settings move the IP RESET switch to the ON position and reset the NI CVS 1450 device Use IP RESET to reset the TCP IP settings when moving the system from one subnet to another or when the current TCP IP settings are invalid Resetting the NI CVS 1450 device with the IP RESET switch in the ON position resets the IP address to 0 0 0 0 You can then set up a new network
26. M is a high speed RS 232 DTE serial port used for connecting to serial devices such as PLCs scanners and lighting devices 3 Note The Serial Port VIs access COM1 as Port 0 Figure 2 7 shows the location and pinout of the COM1 DSUB 9 pin connector PRRs Q Oore DIGITALO Figure 2 7 COM1 DSUB 9 Pin Connector NI CVS 1450 Series User Manual 2 10 ni com Chapter 2 LEDs DIP Switches and Connectors Table 2 4 lists pin numbers signal names and signal descriptions for the 9 pin COMI connector on the NI CVS 1450 device Table 2 4 COM1 Connector Signals ae Signal Name Signal Description 1 DCD Data Carrier Detect 2 RXD Receive Data 3 TXD Transmit Data 4 DTR Data Terminal Ready 5 C Common mode signal of the NI CVS 1450 device main power 6 DSR Data Set Ready 7 RTS Ready to Send 8 CTS Clear to Send 9 RI Ring Indicator Ethernet The Ethernet port on the NI CVS 1450 device provides connection between the NI CVS 1450 device and the development computer either directly or through a network port The NI CVS 1450 device automatically detects the speed of the connection and configures itself accordingly If you are connecting the NI CVS 1450 device to the development computer through a network port use a standard Ethernet cable To connect the NI CVS 1450 device directly to the development computer use an
27. NI Vision NI CVS 1450 Series User Manual November 2007 lt 7 NATIONAL 373610F 01 INSTRUMENTS Worldwide Technical Support and Product Information ni com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin Texas 78759 3504 USA Tel 512 683 0100 Worldwide Offices Australia 1800 300 800 Austria 43 662 457990 0 Belgium 32 0 2 757 0020 Brazil 55 11 3262 3599 Canada 800 433 3488 China 86 21 5050 9800 Czech Republic 420 224 235 774 Denmark 45 45 76 26 00 Finland 358 0 9 725 72511 France 01 57 66 24 24 Germany 49 89 7413130 India 91 80 41190000 Israel 972 3 6393737 Italy 39 02 41309277 Japan 0120 527196 Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7 495 783 6851 Singapore 1800 226 5886 Slovenia 386 3 425 42 00 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587 895 00 Switzerland 41 56 2005151 Taiwan 886 02 2377 2222 Thailand 662 278 6777 Turkey 90 212 279 3031 United Kingdom 44 0 1635 523545 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 O 2003 2007 National Instruments Corporation
28. O Functionality Disabling Shutdown Mode To disable shutdown mode once it is enabled remove shutdown mode from the software script and reset the NI CVS 1450 device To reset the system press the RESET button on the NI CVS 1450 device front panel for at least two seconds Note For prototyping when equipment is unavailable you can wire from Viso to ISO Input 11 to simulate external equipment that indicates to the NI CVS 1450 device to operate normally Watchdog Timer The watchdog timer is a software configurable feature that can monitor software on the NI CVS 1450 device and take action if the software is unresponsive The millisecond counter on the watchdog timer is configurable up to 65 534 ms in 1 ms increments before it expires Configure the watchdog timer to take one of the following actions when it expires UN Caution Use the Indicator Only option only to test the watchdog timer If software becomes unresponsive it cannot be relied upon to send notification to the host e Indicator Only This option sends the expiration signal back to the development machine through software True indicates an expired watchdog timer False indicates an unexpired watchdog timer The expiration signal that indicates an expired watchdog timer continues to assert until the watchdog timer is disarmed Disarming the watchdog timer resets the I O e TTL Output 0 This option outputs a signal on TTL Output 0 A High on TTL Output 0 indicates that
29. User Manual The VGA connector on the NI CVS 1450 device provides connection between the NI CVS 1450 device and a VGA monitor Use any standard 15 pin VGA cable to access the VGA connector Figure 2 6 shows the location and pinout of the VGA connector 2 8 ni com Chapter 2 LEDs DIP Switches and Connectors NL1454 Compact Vision System TR i acy wes ae o EA RIA z DIGITAL VO Figure 2 6 VGA Connector Table 2 3 lists pin numbers signal names and signal descriptions for the 15 pin VGA connector on the NI CVS 1450 device Table 2 3 VGA Connector Signals Pin Number Signal Name Signal Description 1 R Red 2 Green 3 B Blue 4 NC No Connect 5 C Common mode signal of the NI CVS 1450 device main power 6 C Common mode signal of the NI CVS 1450 device main power 7 C Common mode signal of the NI CVS 1450 device main power 8 C Common mode signal of the NI CVS 1450 device main power 9 5 V 5 V O National Instruments Corporation 2 9 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors Table 2 3 VGA Connector Signals Continued aie Signal Name Signal Description 10 C Common mode signal of the NI CVS 1450 device main power 11 NC No Connect 12 SD Serial Data 13 HSync Horizontal Sync 14 VSync Vertical Sync 15 SC Serial Clock COM CO
30. Video output standard VGA Serial 9 pin male DSUB COMI standard RS 232 serial port 10 100 Ethernet RJ 45 standard Ethernet network connection Ethernet port TRIG 0 SMB receptacle External isolated trigger input TRIG 1 and TRIG 2 SMB receptacle External TTL output Digital Input Output 44 pin female high density DSUB External TTL I O External isolated I O Power Connector The power connector on the NI CVS 1450 device accommodates two power supplies The terminals labeled V and C provide the voltage and common mode signal for the main power of the NI CVS 1450 device The terminals labeled Vis and Ciso provide the voltage and common mode signal to power the isolated output circuitry UN Caution The isolation provided by the NI CVS 1450 device is intended to prevent ground loops that could introduce noise into the system This isolation does not provide safety isolation NI CVS 1450 Series User Manual 2 6 ni com Chapter 2 LEDs DIP Switches and Connectors Figure 2 4 shows the power connector on the NI CVS 1450 device Table 2 2 lists and describes each terminal on the power connector OL rr POWER y O El Ciso oy i Vi i 5 30 VDC c y i 24 VDC 10 Figure 2 4 Power Connector Table 2 2 Power Connector Terminals Terminal Description V Main powe
31. at you should enter from the keyboard sections of code programming examples and syntax examples This font is also used for the proper names of disk drives paths directories programs subprograms subroutines device names functions operations variables filenames and extensions O National Instruments Corporation vii NI CVS 1450 Series User Manual About This Manual Related Documentation NI CVS 1450 Series User Manual The following documents contain information that you may find helpful as you read this manual Getting Started with the NI CVS 1450 Series Compact Vision System Contains information about installation software configuration and product specifications NI Vision Acquisition Software Release Notes Outlines new functionality system requirements installation procedures and descriptions of the documentation included with the NI IMAQdx driver software Measurement amp Automation Explorer Help for NI IMAQdx Describes how to configure the NI IMAQdx driver software NI interface devices and cameras using Measurement amp Automation Explorer MAX NI IMAQdx Help Contains fundamental programming concepts for the NI IMAQdx driver software and terminology for using NI image acquisition devices viii ni com NI CVS 1450 Series Overview This chapter provides an overview of the features and components of the National Instruments CVS 1450 Series compact vision system About the NI CVS 1450 Se
32. ator trigger input General purpose input 2 3 C Common mode signal of the NI CVS 1450 device main power 3 4 TTL Output 0 Watchdog timer output General purpose output National Instruments Corporation 2 13 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors Table 2 5 44 Pin DSUB and 37 Pin Terminal Block Connector Signals Continued 44 Pin DSUB on 37 Pin NI CVS 145 Terminal 0 Device Block Pin Number Pin Number Signal Name Primary Function Alternate Function 4 3 TTL Output 1 Pulse generator output General purpose output 5 6 C Common mode signal of the NI CVS 1450 device main power 6 7 TTL Output 2 Pulse generator output General purpose output 7 8 TTL Output 3 Pulse generator output General purpose output 8 6 C Common mode signal of the NI CVS 1450 device main power 9 NC NC No connect 10 17 Viso Isolated power 11 18 Isolated common mode signal 12 19 ISO Output 0 General purpose output 13 35 ISO Output 1 General purpose output 14 34 Ci Isolated common mode signal 15 9 ISO Input 0 Input port Data 0 16 2 TTL Input 1 Pulse generator trigger input General purpose input 17 3 C Common mode signal of the NI CVS 1450 device main power 18 20 TTL Output 4 Pulse generator output General purpose output 19 21 TTL Output 5 General purpose output 20 22 C Common mode signal of the NI CVS 1450 d
33. can radiate radio frequency 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 cause harmful interference in which case the user is required to correct the interference at their own expense Canadian Department of Communications This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada Compliance with EU Directives Users in the European Union EU should refer to the Declaration of Conformity DoC for information pertaining to the CE marking Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product visit ni com certification search by model number or product line and click the appropriate link in the Certification column The CE marking Declaration of Conformity contains important supplementary information and instructions for the user or installer Contents About This Manual GOMVEMEONS EREE EEE head ea tans eueoe EENE ona doebaev eatin cevavavedincosbaseuieueteres vii Related Documentation AAA a EE O viii Chapter 1 NI CVS 1450 Series Overview About the NE CVS 1450 Serie Sienna aae E E A E a ENEAN 1 1 Hardware Oy OW
34. d scalable applications To develop machine vision applications with the NI CVS 1450 and LabVIEW you must have the following add on National Instruments Corporation 1 5 NI CVS 1450 Series User Manual Chapter 1 NI CVS 1450 Series User Manual NI CVS 1450 Series Overview modules LabVIEW Real Time Module Vision Development Module and Vision Acquisition Software LabVIEW Real Time Module The LabVIEW Real Time Module combines LabVIEW graphical programming with the power of Real Time RT Series hardware such as the NI CVS 1450 Series enabling you to build deterministic real time systems You develop VIs in LabVIEW and embed the VIs on RT targets The RT target runs VIs without a user interface and offers a stable platform for real time VIs For more information about the LabVIEW Real Time Module refer to the LabVIEW Help NI Vision Development Module The NI Vision Development Module is an image acquisition processing and analysis library of more than 270 functions for the following common machine vision tasks e Pattern matching e Particle analysis e Gauging e Taking measurements e Grayscale color and binary image display With the NI Vision Development Module you can acquire display and store images as well as perform image analysis and processing Using the NI Vision Development Module imaging novices and experts can program the most basic or complicated image applications without knowledge of particular alg
35. e DIP switches to the off position and reset the NI CVS 1450 device by pressing the RESET button for at least two seconds A 4 ni com LED Error Indications Appendix A Troubleshooting The NI CVS 1450 device indicates specific error conditions by flashing the orange STATUS LED a specific number of times Table A 1 describes the STATUS LED flashing sequences and the corresponding error condition Table A 1 STATUS LED Flashes and Corresponding Error Conditions Number of Flashes Error Condition 0 stays lit The NI CVS 1450 device has detected an internal error Contact National Instruments for assistance The NI CVS 1450 device is unconfigured The NI CVS 1450 device has detected an error in its software This usually occurs when an attempt to upgrade the firmware is interrupted Repeat the firmware upgrade process 3 The NI CVS 1450 device is in safe mode 4 or more The NI CVS 1450 device has detected an unrecoverable error Contact National Instruments for assistance POWER OK LED Is Not Lit When the NI CVS 1450 Device is Powered On If the power supply is properly connected to the NI CVS 1450 device but the POWER OK LED does not light up check that the power supply is 24 VDC 10 and within the specifications outlined in Getting Started with the NI CVS 1450 Series Compact Vision System Using a power supply that is not within these specifications might result in an unrespo
36. elationship with National Instruments Patents For patents covering National Instruments products refer to the appropriate location Help Patents in your software the patents txt file on your CD or ni com patents WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS 1 NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS 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 OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT
37. ending the capabilities of your applications if necessary Vision Builder AI allows you to remotely configure and control the device To use a NI CVS 1450 device with Vision Builder AI you must install one of the following options for driver software e Vision Builder AI 3 0 or later No additional software is needed Vision Builder AI is configurable software for building benchmarking and deploying machine vision applications Vision Builder AI does not require programming A built in deployment interface is included so you can quickly deploy your inspection guidance and identification applications Vision Builder Al also includes the ability to set up complex pass fail decisions to control digital I O devices and communicate with Ethernet devices such as PLCs PACs and HMIs e Vision Builder AI 2 0 through 3 0 Install one of the following driver software applications to configure your NI CVS 1450 device to acquire images with Vision Builder AI NI IMAQ for IEEE 1394 Cameras 2 0 or later NLIMAQd x 3 0 or later with Legacy NI IMAQ for IEEE 1394 Cameras Support enabled 3 Note Ifyou are using Vision Builder AI with a CVS 1450 device you must install the driver software after you install Vision Builder AI For more information refer to Getting Started with the NI CVS 1450 Series Compact Vision System included with every CVS 1450 device LabVIEW LabVIEW is a graphical programming environment for developing flexible an
38. ensors LED indicators and start stop buttons The isolated inputs and outputs on the National Instruments Corporation 1 1 NI CVS 1450 Series User Manual Chapter 1 NI CVS 1450 Series User Manual NI CVS 1450 Series Overview NI CVS 1450 device provide an easy means for preventing ground loops that could degrade signal integrity Figure 1 1 shows the NI CVS 1450 Series front panel Y NATIONAL gt INSTRUMENTS NI 1454 Compact Vision System O UNE OV E of SAFE MODE IP RESET Y HD NO APP USER 1 4 RESET gt O A DIGITAL VO oOahwWn Isolated Digital Input TTL Digital Outputs IEEE 1394a Ports TTL I O and Isolated I O 7 Reset Button 8 DIP Switches 9 VGA 10 RS 232 Serial Port 11 RJ 45 Ethernet Port Figure 1 1 NI CVS 1450 Series Front Panel 1 2 ni com Chapter 1 NI CVS 1450 Series Overview Functional Overview Figure 1 2 illustrates the key functional components of the NI CVS 1450 Series Intel Celeron Processor F SDRAM VGA Video Out Bridge 128 MB Non Volatile Bridge Storage IEEE 1394 t riaca 10 Control J IEEE 1394a SMB Connectors D SUB Connector Connector Figure 1 2 NI CVS 1450 Series Block Diagram Available Camera Bandwidth
39. evice main power 21 23 TTL Output 6 General purpose output 22 24 TTL Output 7 General purpose output NI CVS 1450 Series User Manual 2 14 ni com Chapter 2 LEDs DIP Switches and Connectors Table 2 5 44 Pin DSUB and 37 Pin Terminal Block Connector Signals Continued 44 Pin DSUB on 37 Pin NI CVS 145 Terminal 0 Device Block Pin Number Pin Number Signal Name Primary Function Alternate Function 23 22 C Common mode signal of the NI CVS 1450 device main power 24 NC NC No connect 25 33 Viso Isolated power 26 34 Cio Isolated common mode signal 27 36 ISO Output 2 General purpose output 28 37 ISO Output 3 General purpose output 29 12 Ciso Isolated common mode signal 30 10 ISO Input 1 Input port Data 1 31 11 ISO Input 2 Input port Data 2 32 13 ISO Input 3 Input port Data 3 33 16 Ciso Isolated common mode signal 34 14 ISO Input 4 Input Port Data 4 35 15 ISO Input 5 Input port latch Data 5 Pulse generator trigger input 36 28 Cis Isolated common mode signal 37 25 ISO Input 6 Quadrature encoder Phase A General purpose input 38 26 ISO Input 7 Quadrature encoder Phase B General purpose input 39 28 Ciso Isolated common mode signal 40 27 ISO Input 8 Pulse generator trigger input General purpose input 41 29 ISO Input 9 General purpose input General purpose inpu
40. in your inspection sequence and recording that value as part of your inspection 3 8 ni com Chapter 3 Digital I O Functionality General Purpose Outputs The primary difference between general purpose outputs and timed pulse outputs is that the timing of general purpose outputs is controlled by software rather than hardware As a result timing of general purpose outputs changes as the inspection algorithm changes which makes general purpose outputs less appropriate than timed outputs for camera control strobe light control and other applications that require precise timing An example of using general purpose outputs is driving a relay that turns on an Inspection in Progress light for an operator to see while the inspection sequence is running 1 0 for Fault Conditions The NI CVS 1450 device recognizes the following fault conditions External shutdown when shutdown mode is enabled e Watchdog timer expiration e Overheat The behavior of the NI CVS 1450 device in the event of a fault condition is dependent on configuration settings of the SAFE MODE DIP switch and the software enabled shutdown mode Table 3 4 summarizes how user configuration affects the behavior of the NI CVS 1450 device in the event of a fault condition To resume operation address the fault condition and reset the NI CVS 1450 device The following sections describe each fault condition National Instruments Corporation 3 9 NI CVS 1450 Series User Manual
41. mage the outputs and the power supply To limit flyback voltages at the inductive load install a flyback diode across the load Mount the flyback diode as close to the load as possible Use this protection method if you connect any of the isolated outputs on the NI CVS 1450 device to an inductive load Figure 3 7 shows an example of using an external flyback diode to protect inductive loads Viso Vee KE i e 1 Digital Output A EA i Ciso l Podesi A a External NI CVS 1450 device Flyback Diode for Inductive Loads Figure 3 7 Example of Using an External Flyback Diode for Inductive Loads NI CVS 1450 Series User Manual 3 14 ni com Chapter 3 Digital I O Functionality Transmission Line Effects Transmission line effects can degrade the signals on the I O cables and cause instability To minimize transmission line effects use twisted pair wires with a characteristic impedance of 118 to connect external signals to the 44 pin I O DSUB connector Use a 75 Q coaxial cable such as RG 179 to connect to the SMB connectors Figure 3 8 shows connections to the 44 pin DSUB connector and the TRIG 0 SMB connector that minimize transmission line effects TRIGO RG 179 SMB i TRIGO 750 ae Coaxial Cable WW ale Receiving i Equipment 44 Pin DSUB TTE OUTO Receiving Equipment
42. mation about how to use the LabVIEW FPGA Module to implement custom digital I O functions refer to the application software documentation and examples in the following location e lt LabVIEW gt examples imagq imagio fpga llb The NI IMAQ I O Terminal Reference Help contains digital I O reference information and instructions for using the LabVIEW FPGA VIs Y Tip To quickly launch the digital 1 O help from a LabVIEW example press lt Fl gt TTL and Isolated Inputs and Outputs This section describes the TTL and Isolated 1 O functions available on the NI CVS 1450 device O National Instruments Corporation 3 1 NI CVS 1450 Series User Manual Chapter 3 Digital I O Functionality TTL Inputs and Outputs TTL is a fast switching 5 V digital signaling standard commonly used for applications that require high precision such as camera triggering TTL inputs and outputs do not require a separate power supply UN Caution Do not connect voltage or current sources to TTL outputs Doing so could damage the NI CVS 1450 device Table 3 1 summarizes the TTL inputs and outputs available on the NI CVS 1450 device Table 3 1 TTL Inputs and Outputs 44 Pin DSUB 37 Pin on NI CVS 1450 Terminal Primary Input or Number Signal Device Block Function Output Available Names Pin Number Pin Number Trigger Input 2 TTL Input 0 1 1 TTL Input 1 16 2 Timed Pulse Output 6 TRIG 1 Pulse 5 TRIG 2 Pulse 6 TTL Output
43. ms subnet 4 2 connectors 2 6 COM1 2 10 Ethernet 2 11 IEEE 1394 2 8 SMB 2 6 TRIG 0 2 12 TRIG 1 2 12 TRIG 2 2 12 VGA 2 8 conventions used in the manual vii D DCAM specification vii 1 1 G 1 Declaration of Conformity NI resources C 1 deployment 4 1 diagnostic tools NI resources C 1 digital camera specification vii 1 1 National Instruments Corporation digital I O 44 pin DSUB 2 12 connection considerations 3 12 connector table 2 6 connector pinout figure 2 13 connector signals table 2 13 examples LabVIEW Real Time Module 3 1 external load wiring 3 13 general purpose 2 12 isolated I O 3 2 table 3 3 protecting inductive loads 3 14 signal functionality 3 1 sourcing output device wiring figure 3 12 transmission line effects 3 15 TTL 3 2 DIP switches IP RESET 2 5 location 2 4 NO APP 2 5 overview 2 3 SAFE MODE 2 4 documentation conventions used in manual vii NI resources C 1 related documentation viii drivers NI resources C 1 E error indications table A 5 Ethernet connector 2 11 LINK LED 2 2 port table 2 6 NI CVS 1450 Series User Manual Index examples NI resources C 1 external load wiring 3 13 F flyback diode inductive loads figure 3 14 flyback voltage flyback diode 3 14 G grounding lug 2 8 H help technical support C 1 TEEE 1394 connector 2 8 licensing 1 1 TEEE 1394 camera digital camera
44. nance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Copyright Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation National Instruments respects the intellectual property of others and we ask our users to do the same NI software is protected by copyright and other intellectual property laws Where NI software may be used to reproduce software or other materials belonging to others you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction Trademarks National Instruments NI ni com and LabVIEW are trademarks of National Instruments Corporation Refer to the Terms of Use section on ni com legal for more information about National Instruments trademarks Other product and company names mentioned herein are trademarks or trade names of their respective companies Members of the National Instruments Alliance Partner Program are business entities independent from National Instruments and have no agency partnership or joint venture r
45. ng 3 11 software application 1 7 NI resources C 1 NEIMAQdx 1 5 1 7 sourcing output device wiring 3 12 figure 3 12 STATUS LED 2 2 error indications table A 5 subnet 4 2 support technical C 1 O National Instruments Corporation 1 3 Index T technical support C 1 terminal block 37 pin table 2 13 timed pulse output initiating 3 4 training and certification NI resources C 1 transmission line effects 3 15 TRIG 0 cable 2 12 connector table 2 6 TRIG 1 cable 2 12 connector table 2 6 TRIG 2 cable 2 12 connector table 2 6 trigger input lines 3 3 trigger polarity 3 6 troubleshooting hardware A 3 NI resources C 1 software A 1 STATUS LED error indications table A 5 V VGA connector figure 2 9 signals table 2 9 table 2 6 video formats 1 3 Vision Builder AI description 1 5 Vision Development Module description 1 6 W Web resources C 1 NI CVS 1450 Series User Manual
46. ni com About This Manual Conventions NICVS 1450 Series devices are easy to use distributed real time imaging systems that acquire process and display images from IEEE 1394 cameras conforming to the IIDC 1394 based Digital Camera Specification Version 1 30 The NI CVS 1450 Series also provides multiple digital input output I O options for communicating with external devices to configure and start an inspection and to indicate results Y E A bold italic monospace The following conventions are used in this manual The symbol leads you through nested menu items and dialog box options to a final action The sequence File Page Setup Options directs you to pull down the File menu select the Page Setup item and select Options from the last dialog box This icon denotes a tip which alerts you to advisory information This icon denotes a note which alerts you to important information This icon denotes a caution which advises you of precautions to take to avoid injury data loss or a system crash Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes hardware labels and parameter names Italic text denotes variables emphasis a cross reference or an introduction to a key concept Italic text also denotes text that is a placeholder for a word or value that you must supply Text in this font denotes text or characters th
47. nsive or unstable system and could damage the NI CVS 1450 device National Instruments Corporation A 5 NI CVS 1450 Series User Manual Mounting Information This appendix provides the information necessary to create a custom mount for the NI CVS 1450 Series If you do not want to create a custom mount a panel and DIN rail mount kit for the NI CVS 1450 Series is available from National Instruments part number 189154 01 Mounting the NI CVS 1450 Series If you want to create a custom mount Figures B 1 through B 4 provide dimensional drawings and clearance information for the NI CVS 1450 Series UN Caution If you choose not to mount the NI CVS 1450 device on a DIN rail or flat surface do not position the NI CVS 1450 device with the heat sinks resting on any surface Doing so may cause the NI CVS 1450 device to overheat Refer to Getting Started with the NI CVS 1450 Series Compact Vision System for temperature specifications National Instruments Corporation B 1 NI CVS 1450 Series User Manual Appendix B Mounting Information 4X 4 40 UNC Max Depth 5 08 mm 0 20 in 49 28 mm gt Mounting Holes for DIN Rail i 1 940 in i and Panel Mount Kit O 1 ii A 19 74 mm 0 777 in 24 64 mm 63 42 mm 0 97 in 2 497 in 1 52 mm p 20 32 mm 0 06 in gt t 0 80
48. on Port Input 1 ISO Input 0 15 9 ISO Input 1 30 10 ISO Input 2 31 11 ISO Input 3 32 13 ISO Input 4 34 14 General Purpose Input 2 ISO Input 9 41 29 ISO Input 10 43 30 General Purpose Output 4 ISO Output 0 12 19 ISO Output 1 13 35 ISO Output 2 27 36 ISO Output 3 28 37 Y ISO Input 5 can also function as a latch for the product selection port 1 0 for Normal Operation The following sections describe I O functions that are available on the NI CVS 1450 device during normal operation Trigger Inputs Trigger inputs are available from both TTL inputs and isolated inputs You can use these trigger inputs to synchronize the NI CVS 1450 device with an external event such as the assertion of a signal generated by a proximity sensor or a PLC to indicate that an inspection item is passing in front of the camera The NI CVS 1450 device uses this input to initiate a timed pulse O National Instruments Corporation 3 3 NI CVS 1450 Series User Manual Chapter 3 Digital 1 O Functionality that can be used for camera control lighting control encoder pulse counting and result output timing For more information about creating a timed pulse output refer to the Timed Pulse Output section TTL Input 0 TTL Input 1 TRIG 0 and ISO Input 8 can alternatively function as general purpose inputs ISO input 5 can alternatively function as a latch input for the product selection port Timed Pulse Output The NI CVS 1450 device is capable of timed p
49. ontrol and register level camera configuration NI IMAQdx also handles many of the complex issues between the NI CVS 1450 device and the camera such as IEEE 1394 bus communication and camera control The NI IMAQdx driver software performs all functions necessary for acquiring and saving images but does not perform image analysis For image analysis functionality refer to the NI Vision Builder for Automated Inspection Vision Builder Al section NI IMAQdx features both high level and low level functions A function that acquires images in multi buffer single shot or continuous mode is an example of a high level function A function that requires advanced understanding of the NI CVS 1450 device and image acquisition such as configuring an image sequence is an example of a low level function National Instruments Corporation 1 7 NI CVS 1450 Series User Manual LEDs DIP Switches and Connectors This chapter provides information about the location and functionality of the LED indicators DIP switches and connectors on the NI CVS 1450 device The Connectors section provides signal names and descriptions for each connector LED Indicators Figure 2 1 shows the location of the POWER OK and STATUS LEDs on the NI CVS 1450 device ae i PERT 2 0 3 iC oe POWEROK NI 1454 Compact Vision System Figure 2 1 POWER OK and STATUS LEDs Refer to Appendix A Troublesho
50. or e Processor overheat Make sure you are operating the NI CVS 1450 device in compliance with the temperature specifications in Getting Started with the NI CVS 1450 Series Compact Vision System Refer to Table 3 4 Configuration Settings and Effects for more information about fault conditions Cannot Drive Isolated Outputs Verify that you have power connected to Viso and Ciso inputs on the NI CVS 1450 device power connector and that the contact at the screw terminals is solid Because these outputs are electrically isolated from the NI CVS 1450 device main supply they require power in addition to the NI CVS 1450 device main supply Runaway Startup Application If a runaway startup application causes the NI CVS 1450 device to become unresponsive power off the NI CVS 1450 device and then restart it with either the NO APP switch or the SAFE MODE switch in the ON position Restarting the NI CVS 1450 device with the NO APP switch enabled prevents any VIs from running at startup Restarting with the SAFE MODE switch enabled starts the NI CVS 1450 device in safe mode and does not launch the embedded LabVIEW RT engine Refer to the DIP Switches section of Chapter 2 LEDs DIP Switches and Connectors for more information about these DIP switches System Displays a Missing Operating System Error at Startup NI CVS 1450 Series User Manual The NI CVS 1450 device was powered on or reset with all DIP switches in the ON position Set th
51. or is configured to immediately generate the pulse on a software start after generating a pulse it immediately generates another pulse NI CVS 1450 Series User Manual 3 4 ni com Chapter 3 Digital I O Functionality If the trigger input is set to Immediate the pulse generation occurs as soon as the pulse mode is set to Start If the trigger input is set to one of the hardware trigger inputs the timed pulse output waits for an assertion edge on the appropriate trigger input The assertion edge is configurable based on the trigger polarity parameter It then generates one pulse and rearms to wait for the next trigger In either case the pulse output generation stops and resets if the pulse mode parameter is set to Stop Figure 3 1 shows an output pulse when a trigger is selected vier J Lo J LJ Le Input Output IM Pulse Figure 3 1 Output Pulse When Trigger Is Selected Pulse Modes Each pulse generator has a Start and a Stop mode Configure the pulse generator when in Stop mode and then set it to Start mode Pulse Delay Pulse delay is the amount of time between a trigger and the first assertion edge of an output pulse The pulse delay is configurable in units of microseconds or quadrature encoder counts If configured for microseconds available values are between 10 us and 4 294 967 295 us which is 4 294 seconds or approximately 71 minutes If the delay is configured for quad
52. orithm implementations NI Vision Assistant which is included with the NI Vision Development Module is an interactive prototyping tool for machine vision and scientific imaging developers With Vision Assistant you can prototype vision applications quickly and test how various vision image processing functions work Using the Vision Assistant LabVIEW VI creation wizard you can create LabVIEW VI block diagrams that perform the prototype you created in Vision Assistant You can use them in LabVIEW to add functionality to the generated VI For information about how to use the NI Vision Development Module with the LabVIEW Real Time Module refer to the NI Vision for LabVIEW Help 1 6 ni com Chapter 1 NI CVS 1450 Series Overview NI Vision Acquisition Software The NI Vision Acquisition Software CD contains Measurement amp Automation Explorer MAX and NI IMAQdx driver software Use MAX to configure the NI CVS 1450 device You can set the IP address update software on the CVS 1450 device configure triggering and setup the lighting features The NI IMAQdx driver software ships with the NI CVS 1450 device NI IMAQax is the interface path between the application software and the NI CVS 1450 device NI IMAQadx is part of the NI Vision Acquisition software NI IMAQdx includes an extensive library of VIs you can call from LabVIEW These VIs include routines for video configuration continuous and single shot image acquisition trigger c
53. oting for information about troubleshooting LEDs National Instruments Corporation 2 1 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors POWER OK LED Under normal operating conditions the POWER OK LED remains green while the NI CVS 1450 device is powered on A green POWER OK LED indicates that NI CVS 1450 device main power is receiving power and that the NI CVS 1450 device is not in a fault state A red POWER OK LED indicates that the NI CVS 1450 device has shut down because of a fault state A fault state occurs when the user shutdown input is asserted the processor overheats or the watchdog timer expires 3 Note The POWER OK LED does not indicate the status of the isolated power Viso STATUS LED ACT LINK LED 10 100 Mbps LED NI CVS 1450 Series User Manual The orange STATUS LED remains off under normal operating conditions and flashes a specific number of times to indicate error conditions or certain DIP switch settings The STATUS LED remains lit if the NI CVS 1450 device detects an internal error Refer to the Hardware Errors section of Appendix A Troubleshooting for information about LED error indications The orange ACT LINK LED blinks when the NI CVS 1450 device receives data from or transmits data to the network through the Ethernet connection Unrelated network activity causes this LED to blink occasionally even when the NI CVS 1450 device is inactive Figure 2 2 shows the location
54. r 24 VDC 10 Common mode signal Viso Isolated power 3 to 30 VDC C Isolated common mode signal iso Earth Ground Connection Some system setups may require using the grounding lug on the NI CVS 1450 device to connect the chassis to earth ground Connecting the grounding lug shown in Figure 2 5 to earth ground connects the common mode signal of the main power to earth ground through the NI CVS 1450 device chassis ay Note An earth ground connection does not connect Ciso to earth ground National Instruments Corporation 2 7 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors IEEE 1394 EJ 1 Grounding Lug 2 Power Connector Figure 2 5 Grounding Lug on the NI CVS 1450 Device The IEEE 1394 connectors on the NI CVS 1450 device provide a reliable high frequency connection between the NI CVS 1450 device and up to three DCAM compliant IEEE 1394 cameras For information about the amount of bandwidth available for connecting cameras refer to the Available Camera Bandwidth section of Chapter 1 NI CVS 1450 Series Overview To access the IEEE 1394 connectors on the NI CVS 1450 device use any standard 6 pin IEEE 1394 cable ay Note You can use a 4 pin to 6 pin converter cable with cameras that have their own external power supply and do not require power from the IEEE 1394 bus VGA NI CVS 1450 Series
55. rature encoder counts the range of choices is 0 counts to 4 294 967 295 counts Pulse Width Pulse width is the amount of time between the first assertion edge of a pulse and the second deassertion edge Pulse width is configurable only in microseconds from 10 us to 4 294 967 295 us National Instruments Corporation 3 5 NI CVS 1450 Series User Manual Chapter 3 NI CVS 1450 Series User Manual Digital I O Functionality Trigger Polarity Each pulse generator can be individually configured for rising or falling edge triggering Even if multiple pulse generators are using the same trigger each can have different polarities Figure 3 2 shows the output of a pulse generator configured to look for a rising edge trigger and output a high pulse with a microsecond width and delay Width Trigger puoi Figure 3 2 High Pulse with Rising Edge Trigger Figure 3 3 shows how to create a high and low pulse train with a microsecond delay and width High Pulse Train i Delay Width Width Delay Low Pulse Train Software Start Figure 3 3 High and Low Pulse Trains 3 6 ni com Chapter 3 Digital I O Functionality Quadrature Encoder The quadrature encoder uses ISO Input 6 for its Phase A input and ISO Input 7 for its Phase B input Encoder speed is limited by the speed of the isolated inputs Each isolated input can change at a maximum rate of
56. ries NI CVS 1450 Series devices are easy to use distributed real time imaging systems that acquire process and display images from IEEE 1394 cameras conforming to the IIDC 1394 based Digital Camera Specification Version 1 30 The NI CVS 1450 Series also provides multiple digital input output I O options for communicating with external devices to configure and start an inspection and to indicate results An Ethernet connection between the NI CVS 1450 device and a development computer allows you to display measurement results and status information and to configure the NI CVS 1450 device settings When configured the NI CVS 1450 device can run applications without a connection to the development computer Each NI CVS 1450 device ships with documentation and NI Vision Acquisition Software which includes the NI IMAQdx driver software The NI Vision Acquisition Software is licensed for one development system and one deployment system Hardware Overview The NI CVS 1450 device front panel consists of a VGA connector RS 232 serial port 10 100 Ethernet connector and three IEEE 1394a ports A Caution The isolation on the NI CVS 1450 device is not safety isolation The NI CVS 1450 device also includes LEDs for communicating system status DIP switches that specify startup options TTL inputs and outputs for triggering and isolated inputs and outputs for connecting to external devices such as programmable logic controllers PLCs s
57. rors exist National Instruments reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult National Instruments if errors are suspected In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN NATIONAL INSTRUMENTS MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in contract or tort including negligence Any action against National Instruments must be brought within one year after the cause of action accrues 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 mainte
58. ry question receives an answer For information about other technical support options in your area visit ni com services or contact your local office at ni com contact Training and Certification Visit ni com training for self paced training eLearning virtual classrooms interactive CDs and Certification program information You also can register for instructor led hands on courses at locations around the world System Integration If you have time constraints limited in house technical resources or other project challenges National Instruments Alliance Partner members can help To learn more call your local NI office or visit ni com alliance Declaration of Conformity DoC A DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electronic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification C 1 NI CVS 1450 Series User Manual Appendix C Technical Support and Professional Services e Calibration Certificate If your product supports calibration you can obtain the calibration certificate for your product at ni com calibration If you searched ni com and could not find the answers you need contact your local office or NI corporate headquarters Phone numbers for our worldwide offices are listed at the front of this manual You also can visit
59. sed for factory automation process control and manufacturing systems A signal consisting of a series of continuous pulses The digital signal transition from the low state to the high state Standard electrical interface for serial data communications A set of systems whose IP addresses are configured such that they can communicate directly with one another Data will not flow through an intermediate router Transmission Control Protocol A set of standard protocols for communicating across a single network or interconnected set of networks TCP is for high reliability transmissions Any event that causes or starts some form of data capture G 2 ni com UDP VDC VI Glossary User Datagram Protocol A set of standard protocols for communicating across a single network or interconnected set of networks UDP is for low overhead transmissions Volts direct current Virtual Instrument A combination of hardware and or software elements typically used with a PC that has the functionality of a classic stand alone instrument National Instruments Corporation G 3 NI CVS 1450 Series User Manual Index Numerics 100 Mbps LED 2 3 bandwidth available table 1 4 C cables SMB to BNC characteristic impedance 3 15 calibration certificate NI resources C 2 camera available bandwidth 1 3 digital camera specification vii 1 1 video formats 1 3 COM1 connector signals 2 11 connecting multiple syste
60. specification vii 1 1 TEEE 1394a table 2 6 inductive loads protecting 3 14 inputs general purpose 3 8 TTL 3 2 instrument drivers NI resources C 1 IP RESET DIP switch 2 5 isolated input sourcing output device 3 12 isolated output external load 3 12 K KnowledgeBase C 1 L label MAC address serial number 4 2 LabVIEW 1 5 NI CVS 1450 Series User Manual 1 2 LabVIEW Real Time Module description 1 6 latch 3 8 LEDs figure 2 1 POWER OK 2 2 STATUS 2 2 MAC address 4 2 media access control address 4 2 National Instruments support and services C 1 NI 1450 hardware IEEE 1394 connector 2 8 overview 1 1 parts locator 1 2 NI CVS 1450 hardware connecting multiple NI CVS 1450 device figure 4 1 connectors table 2 6 DIP switches overview 2 3 NI support and services C 1 NI IMAQdx driver software 1 5 1 7 NO APP DIP switch 2 5 0 outputs general purpose 3 9 TTL 3 2 P parts locator 1 2 POWER OK LED 2 2 ni com power supply connector 2 6 2 7 table 2 6 earth ground 2 7 terminals table 2 7 product selection port 3 7 table 3 8 programming examples NI resources C 1 pulse delay 3 5 pulse modes 3 5 pulse width 3 5 Q quadrature encoder 3 7 R related documentation viii S SAFE MODE DIP switch 2 4 serial number 4 2 serial port connector table 2 6 setup multiple NI CVS 1450 devices 4 1 typical single camera 3 16 shutdown disabli
61. t National Instruments Corporation 2 15 NI CVS 1450 Series User Manual Chapter 2 LEDs DIP Switches and Connectors Table 2 5 44 Pin DSUB and 37 Pin Terminal Block Connector Signals Continued 44 Pin DSUB on 37 Pin NI CVS 145 Terminal 0 Device Block Pin Number Pin Number Signal Name Primary Function Alternate Function 42 32 Ciso Isolated common mode signal 43 30 ISO Input 10 General purpose input General purpose input 44 31 ISO Input 11 User shutdown General purpose input NI CVS 1450 Series User Manual 2 16 ni com Digital 1 0 Functionality This chapter describes the primary functions of the digital inputs and outputs on the NI CVS 1450 device This chapter also includes guidelines for connecting digital I O and for setting up a typical NI CVS 1450 device Overview The digital I O functions are accessible through 2 TTL inputs 10 TTL outputs 13 isolated inputs and 4 isolated outputs You can use input signals as triggers product selection ports or to read quadrature encoders Uses for output signals include controlling camera reset and exposure controlling strobe lighting outputting inspection results or communicating with PLCs Refer to the NI IMAQ I O documentation and examples in the following location lt LabVIEW gt examples imagq imagqio 1llb You can also define custom functions for the digital input and output signals For infor
62. the FCC rules In Canada the Department of Communications DOC of Industry Canada regulates wireless interference in much the same way Digital electronics emit weak signals during normal operation that can affect radio television or other wireless products All Class A products display a simple warning statement of one paragraph in length regarding interference and undesired operation The FCC rules have restrictions regarding the locations where FCC Class A products can be operated Consult the FCC Web site at www fcc gov for more information FCC DOC Warnings This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the instructions in this manual and the CE marking Declaration of Conformity may cause interference to radio and television reception Classification requirements are the same for the Federal Communications Commission FCC and the Canadian Department of Communications DOC Changes or modifications not expressly approved by NI could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and
63. the watchdog timer has expired Low indicates that it has not expired If the watchdog timer has expired the expiration signal continues to assert until the watchdog timer is disarmed e System Shutdown This option halts the NI CVS 1450 device operation and turns the POWER OK LED red If shutdown mode is enabled the outputs go to the user defined shutdown states Table 3 4 summarizes how user configuration affects the shutdown condition aye Note The Watchdog Timer feature is not supported by Vision Builder for Automated Inspection National Instruments Corporation 3 11 NI CVS 1450 Series User Manual Chapter 3 Digital I O Functionality Overheat Operating the NI CVS 1450 device outside of its temperature specifications may cause the NI CVS 1450 device to overheat Refer to the Specifications section of Getting Started with the NI CVS 1450 Series Compact Vision System for temperature specifications In the event of an overheat all NI CVS 1450 device operation halts and the POWER OK LED turns red If shutdown mode is enabled the outputs go to the user defined shutdown states Considerations When Connecting the Digital 1 0 The isolated trigger inputs on the NI CVS 1450 device are current sinking and optically isolated Figure 3 5 shows the trigger input interface circuit Wiring an Isolated Input to a Sourcing Output Device You can wire an isolated input to a sourcing output device as shown in the example in Figure 3 5
64. ulse output on six different digital outputs which provides precise control over time critical signals such as camera exposure This section describes the various uses for the timed pulse output and the parameters you can set to control these outputs Uses for timed pulse output include controlling camera reset and exposure controlling strobe lighting operating plungers on an assembly line and communicating with PLCs You can configure the start of the pulse output generation to occur from software or from a rising or falling edge of a trigger input In addition to controlling the timing of pulse output you can also configure the polarity of the output signal resulting in a high true or low true signal Based on the polarity setting the output signal asserts after the appropriate delay time and de asserts after the configured pulse width You can set the delay time in microseconds or in quadrature encoder counts from the start signal either a hardware trigger or a software command Width is always configured in microseconds Initiating a Timed Pulse Each timed pulse generator has a trigger input that specifies whether to wait on a particular trigger input to generate the pulse or to immediately generate the pulse when software sets the pulse mode to Start When the pulse generator is configured for a particular trigger input after generating a pulse it waits for another trigger before generating another pulse When the pulse generat
65. vice and restart the device 2 Launch MAX In the MAX configuration tree expand Remote Systems 4 Right click the name of the device you want to reformat and select Format Disk The video output connected to the NI CVS 1450 device displays the status of the format 5 After the format completes disable the SAFE MODE switch and restart the device 6 Refer to Getting Started with the NI CVS 1450 Series Compact Vision System for information about configuring the NI CVS 1450 device for your application Hardware Errors POWER OK LED is Red The NI CVS 1450 device is in one of the following fault conditions e Shutdown enabled in software but ISO Input 11 is not turned on ISO Input 11 is used to indicate to the NI CVS 1450 device that all external devices are ready for operation When ISO Input 11 turns off the NI 1450 shuts down Either turn on ISO Input 11 with an external source and reset the NI CVS 1450 device or disable Shutdown in the software 3 Note For prototyping when external equipment is unavailable Viso can be wired to ISO Input 11 to turn on the NI CVS 1450 device National Instruments Corporation A 3 NI CVS 1450 Series User Manual Appendix A Troubleshooting e Watchdog timer expired while configured for the system shutdown option Determine if the interval between watchdog timer resets is insufficient for the processing time Check the software to determine if it could monopolize the process

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