National Instruments NI Vision CVS-1454 User Manual
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National Instruments NI Vision CVS-1454 User Manual

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Summary of Contents for National Instruments NI Vision CVS-1454

  • Page 1 CVS-1454...
  • Page 2 NI Vision NI CVS-1450 Series User Manual NI CVS-1450 Series User Manual November 2007 373610F-01...
  • Page 3 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. © 2003–2007 National Instruments Corporation. All rights reserved.
  • Page 4 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.
  • Page 5 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 the FCC rules. (In Canada, the Department of Communications (DOC), of Industry Canada, regulates wireless interference in much the same way.) Digital...

  • Page 6: Table Of Contents

    USER 1 Switch (LabVIEW Real-Time Module Users)........2-5 Connectors ........................2-6 Power Connector .....................2-6 Earth Ground Connection ..............2-7 IEEE 1394 .......................2-8 VGA ........................2-8 COM1 ......................2-10 Ethernet......................2-11 TRIG 0......................2-12 TRIG 1 and TRIG 2..................2-12 General-Purpose Digital I/O................2-12 © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 7 Contents Chapter 3 Digital I/O Functionality Overview ........................3-1 TTL and Isolated Inputs and Outputs................3-1 TTL Inputs and Outputs.................. 3-2 Isolated Inputs and Outputs................3-2 I/O for Normal Operation ................3-3 Trigger Inputs ................... 3-3 Timed Pulse Output ................3-4 Quadrature Encoder ................

  • Page 8: About This Manual

    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. © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 9: Related Documentation

    About This Manual Related Documentation 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...

  • Page 10: Ni Cvs-1450 Series Overview

    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 Series 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.
  • Page 11 Chapter 1 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. NI 1454 Compact Vision System 1 Power LED 7 Reset Button 2 Status LED 8 DIP Switches 3 Isolated Digital Input...

  • Page 12: Functional Overview

    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 NI CVS-1450 Series User Manual...

  • Page 13: Software Overview

    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 × 480 8-bits/pixel mono 640 ×...

  • Page 14: Ni Vision Builder For Automated Inspection (Vision Builder Ai)

    CVS-1450 device. LabVIEW LabVIEW is a graphical programming environment for developing flexible and scalable applications. To develop machine vision applications with the NI CVS-1450 and LabVIEW, you must have the following add-on © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 15: Labview Real-Time Module

    Chapter 1 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.

  • Page 16: Ni Vision Acquisition Software

    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 NI CVS-1450 Series User Manual...

  • Page 17: Leds, Dip Switches, And Connectors

    Figure 2-1 shows the location of the POWER OK and STATUS LEDs on the NI CVS-1450 device. STATUS POWER OK NI 1454 Compact Vision System Figure 2-1. POWER OK and STATUS LEDs Refer to Appendix A, Troubleshooting, for information about troubleshooting LEDs. © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 18: Power Ok Led

    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.

  • Page 19: Dip Switches

    NI CVS-1450 device by pressing the RESET button for at least two seconds. Note You must reset the NI CVS-1450 device in order for the setting change to occur. © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 20: Safe Mode Switch

    Chapter 2 LEDs, DIP Switches, and Connectors Figure 2-3 shows the location of the DIP switches on the NI CVS-1450 device. NI 1454 Compact Vision System Figure 2-3. DIP Switches SAFE MODE Switch 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.

  • Page 21: Ip Reset Switch

    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 NI CVS-1450 Series User Manual...

  • Page 22: Connectors

    Chapter 2 LEDs, DIP Switches, and Connectors 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.

  • Page 23: Earth Ground Connection

    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. Note An earth ground connection does not connect C to earth ground. © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 24: Ieee 1394

    Chapter 2 LEDs, DIP Switches, and Connectors POWER (5-30VDC) (24VDC ±10%) 1 Grounding Lug 2 Power Connector Figure 2-5. Grounding Lug on the NI CVS-1450 Device IEEE 1394 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.
  • Page 25 Common-mode signal of the NI CVS-1450 device main power Common-mode signal of the NI CVS-1450 device main power Common-mode signal of the NI CVS-1450 device main power +5 V +5 V © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 26: Com1

    Chapter 2 LEDs, DIP Switches, and Connectors Table 2-3. VGA Connector Signals (Continued) Number Signal Name Signal Description Common-mode signal of the NI CVS-1450 device main power No Connect Serial Data HSync Horizontal Sync VSync Vertical Sync Serial Clock COM1 COM1 is a high-speed RS-232 (DTE) serial port used for connecting to serial devices, such as PLCs, scanners, and lighting devices.

  • Page 27: Ethernet

    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 Ethernet crossover cable. © National Instruments Corporation 2-11 NI CVS-1450 Series User Manual...

  • Page 28: Trig 0

    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).
  • Page 29 Primary Function Alternate Function TTL Input 0 Pulse generator trigger input General-purpose input Common-mode signal of the — NI CVS-1450 device main power TTL Output 0 Watchdog timer output General-purpose output © National Instruments Corporation 2-13 NI CVS-1450 Series User Manual...
  • Page 30 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 TTL Output 1 Pulse generator output General-purpose output Common-mode signal of the...
  • Page 31 General-purpose input ISO Input 7 Quadrature encoder Phase B General-purpose input Isolated common-mode — signal ISO Input 8 Pulse generator trigger input General-purpose input ISO Input 9 General-purpose input General-purpose input © National Instruments Corporation 2-15 NI CVS-1450 Series User Manual...
  • Page 32 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 Isolated common-mode —...

  • Page 33: Digital I/O Functionality

    To quickly launch the digital I/O help from a LabVIEW example, press <F1>. TTL and Isolated Inputs and Outputs This section describes the TTL and Isolated I/O functions available on the NI CVS-1450 device. © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 34: Ttl Inputs And Outputs

    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. Caution Do not connect voltage or current sources to TTL outputs.

  • Page 35: I/O For Normal Operation

    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 © National Instruments Corporation NI CVS-1450 Series User Manual...

  • Page 36: Timed Pulse Output

    Chapter 3 Digital I/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.
  • Page 37 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 µs to 4,294,967,295 µs. © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 38 Chapter 3 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.

  • Page 39: Quadrature Encoder

    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 NI CVS-1450 Series User Manual...

  • Page 40: General-Purpose I/O

    Chapter 3 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.

  • Page 41: I/O For Fault Conditions

    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 NI CVS-1450 Series User Manual...

  • Page 42: Shutdown

    Chapter 3 Digital I/O Functionality Table 3-4. Configuration Settings and Effects Configuration Settings Configuration Effects SAFE Fault MODE Shutdown Outputs Change to Condition Enabled Processing Halts User-Defined States External Shutdown Watchdog Overheat Shutdown Shutdown mode is a software-enabled feature, that when activated, allows an external device to halt the NI CVS-1450 device processing operations.

  • Page 43: Watchdog Timer

    Table 3-4 summarizes how user configuration affects the shutdown condition. 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...

  • Page 44: Overheat

    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.

  • Page 45: Wiring An Isolated Output To An External Load

    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. Digital Output Load 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...

  • Page 46: Protecting Inductive Loads

    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 damage the outputs and the power supply.

  • Page 47: Transmission Line Effects

    For example, if the cable characteristic impedance is 118 Ω, make R equal to 118 Ω, as shown in Figure 3-8. © National Instruments Corporation 3-15 NI CVS-1450 Series User Manual...

  • Page 48: Typical System Setup

    Chapter 3 Digital I/O Functionality Typical System Setup 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.
  • Page 49 Figure 3-9 illustrates a typical single-camera setup. NI 1454 Compact Vision System 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...

  • Page 50: Deployment

    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 NI CVS-1450 Series User Manual...
  • Page 51 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-1450 device.
  • Page 52 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 NI CVS-1450 Series User Manual...

  • Page 53: Appendix A Troubleshooting

    Ethernet cable. Use a straight-through cable when connecting to network hardware. Use a crossover cable to connect directly to the development computer. © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 54 Appendix A Troubleshooting • Another device on the network is using the IP address assigned to the NI CVS-1450 device. Either remove or reconfigure the other device, or reconfigure the NI CVS-1450 device IP address. • The DIP switch settings on the NI CVS-1450 device may be invalid, such as all switches set to the ON position.
  • Page 55 NI CVS-1450 device, or disable Shutdown in the software. Note For prototyping when external equipment is unavailable, V can be wired to ISO Input 11 to turn on the NI CVS-1450 device. © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 56 Appendix A Troubleshooting • 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 processor. •...
  • Page 57 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...

  • Page 58: Appendix B Mounting Information

    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...
  • Page 59 Appendix B Mounting Information 4X 4-40 UNC Max Depth 5.08 mm (0.20 in.) 49.28 mm Mounting Holes for DIN Rail (1.940 in.) and Panel Mount Kit 19.74 mm (0.777 in.) 24.64 mm 63.42 mm (0.97 in.) (2.497 in.) 1.52 mm 20.32 mm (0.06 in.) (0.80 in.)
  • Page 60 • Allow 50.8 mm (2.0 in.) on the sides of the NI CVS-1450 device for air circulation. • Allow enough space in front of the NI CVS-1450 device to connect cables. © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 61 Appendix B Mounting Information Refer to Figure B-4 for a illustration of the space and cabling requirements for the NI CVS-1450 Series. 76.2 mm (3.00 in.) 50.8 mm 50.8 mm (2.00 in.) (2.00 in.) 76.2 mm (3.00 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.
  • Page 62 Technical Support and Professional Services Visit the following sections of the National Instruments Web site at for technical support and professional services: ni.com • Support—Online technical support resources at ni.com/support include the following: – Self-Help Resources—For answers and solutions, visit the...
  • Page 63 Appendix C Technical Support and Professional Services Calibration Certificate—If your product supports calibration, • you can obtain the calibration certificate for your product at ni.com/calibration If you searched and could not find the answers you need, contact ni.com your local office or NI corporate headquarters. Phone numbers for our worldwide offices are listed at the front of this manual.
  • Page 64 CAT-5 or CAT-6 cable used for direct connection between the development cable computer and the Real-Time target. 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 NI CVS-1450 Series User Manual...
  • Page 65 Media access control. The MAC address uniquely identifies each unit connected to a network. NI-IMAQdx Driver software for National Instruments IEEE 1394 and Gigabit Ethernet interface devices. Programmable Logic Controller. An industrial computer used for factory automation, process control, and manufacturing systems.
  • Page 66 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 NI CVS-1450 Series User Manual...
  • Page 67 DCAM specification, vii, 1-1, G-1 Ethernet Declaration of Conformity (NI resources), C-1 connector, 2-11 deployment, 4-1 LINK LED, 2-2 diagnostic tools (NI resources), C-1 port (table), 2-6 digital camera specification, vii, 1-1 © National Instruments Corporation NI CVS-1450 Series User Manual...
  • Page 68 3-14 STATUS, 2-2 grounding lug, 2-8 MAC address, 4-2 media access control address, 4-2 help, technical support, C-1 National Instruments support and services, C-1 NI 1450 hardware IEEE 1394 IEEE 1394 connector, 2-8 connector, 2-8 overview, 1-1...
  • Page 69 Vision Builder AI, description, 1-5 NI-IMAQdx, 1-5, 1-7 Vision Development Module, description, 1-6 sourcing output device wiring, 3-12 figure, 3-12 STATUS LED, 2-2 Web resources, C-1 error indications (table), A-5 subnet, 4-2 support, technical, C-1 © National Instruments Corporation NI CVS-1450 Series User Manual...

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