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Chapter 4

Signal Connections

IMAQ PCI-1410 User Manual

4-2

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Digital I/O Connector

The 68-pin VHDCI connector connects to all video signals (VIDEO0,
VIDEO1, VIDEO2, and VIDEO3), the external digital I/O lines, triggers,
and external signals. To access these connections, you can build your own
custom cable or use one of the optional National Instruments cables.

Note

If you are using the VIDEO0 connection on the 68-pin VHDCI connector, you must

unplug the BNC cable.

Figure 4-2 shows the pinout of the 68-pin VHDCI connector.

Figure 4-2.

I/O Connector Pin Assignments

34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10

9
8
7
6
5
4
3
2
1

68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

VIDEO(0) +
VIDEO(0) –
VIDEO(1) +
VIDEO(1) –

RESERVED
RESERVED
RESERVED
RESERVED

DGND

RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED

HSYNC_IN –

VSYNC_IN –

CSYNC_IN –

CSYNC_OUT –

CTRL(0) –
CTRL(1) –
CTRL(2) –
CTRL(3) –

DGND
DGND
DGND
DGND

CHASSIS_GND

PCLK_IN –

DGND

RESERVED

VIDEO(2) +
VIDEO(2) –
VIDEO(3) +
VIDEO(3) –
RESERVED
RESERVED
RESERVED
RESERVED
DGND
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
HS
VS
CS
CSY
CTRL(0) +
CTRL(1) +
CTRL(2) +
CTRL(3) +
TRIG(0)
TRIG(1)
TRIG(2)
TRIG(3)
CHASSIS_GND
P
DGND
RESERVED

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24
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27
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Содержание IMAQ PCI-1410

Страница 1: ...IMAQ TM IMAQ PCI 1410 User Manual High Quality Monochrome Image Acquisition Device for PCI Chassis IMAQ PCI 1410 User Manual January 2005 373793B 01 ...

Страница 2: ...190000 Israel 972 0 3 6393737 Italy 39 02 413091 Japan 81 3 5472 2970 Korea 82 02 3451 3400 Malaysia 603 9131 0918 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 7 095 783 68 51 Singapore 65 6226 5886 Slovenia 386 3 425 4200 South Africa 27 0 11 805 8197 Spain 34 91 640 0085 Sweden 46 0 8 587...

Страница 3: ... 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 Trademark...

Страница 4: ...nt 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 ha...

Страница 5: ...s you of precautions to take to avoid injury data loss or a system crash bold 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 parameter names italic Italic text denotes variables emphasis a cross reference or an introduction to a key concept This font also denotes text that is a placeholder for a word or value t...

Страница 6: ...tion 1 5 Chapter 2 Installation Necessary Items 2 1 Optional Equipment 2 2 Unpacking 2 2 Safety Information 2 2 Installation 2 5 IMAQ 1410 Device 2 5 Chapter 3 Hardware Overview Functional Overview 3 1 Video Multiplexer 3 2 Programmable Gain and Offset 3 2 Analog Bandwidth Control Circuitry 3 2 10 Bit ADC 3 3 Digital Filter and LUT 3 3 Onboard Memory 3 3 Scatter Gather DMA Controllers 3 3 PCI Inte...

Страница 7: ... Bit 8 Bit Mode 3 5 Clamping 3 6 Chapter 4 Signal Connections Video Input Channels 4 1 BNC Connector 4 1 Digital I O Connector 4 2 Digital I O Connector Signal Connection Descriptions 4 3 Appendix A Specifications Appendix B Custom Cables Appendix C Technical Support and Professional Services Glossary Index ...

Страница 8: ...ly and easily start the applications without having to program the device at the register level As a stand alone device the IMAQ 1410 supports four general purpose control lines that are configurable to generate precise timing signals for controlling camera acquisition The IMAQ 1410 also supports four video sources and four external I O lines to use as triggers or digital I O lines Easily synchron...

Страница 9: ...Vision Builder for Automated Inspection AI Allows you to configure solutions to common inspection tasks National Instruments Vision Development Module Provides customized control over hardware and algorithms The following sections provide an overview of the driver software and the application software For detailed information about individual software packages refer to the documentation specific t...

Страница 10: ...Microsoft Visual Basic NI IMAQ features both high level and low level functions Examples of high level functions include the sequences to acquire images in multi buffer single shot or continuous mode An example of a low level function is configuring an image sequence since it requires advanced understanding of the IMAQ device and image acquisition National Instruments Application Software This sec...

Страница 11: ...ntations NI Vision Assistant is included with the Vision Development Module Vision Assistant 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 Vision Assistant generates a Builder file which is a text description containing a recipe o...

Страница 12: ...ion Use National Instruments high performance stepper and servo motion control products with pattern matching software in inspection and guidance applications such as locating alignment markers on semiconductor wafers guiding robotic arms inspecting the quality of manufactured parts and locating cells ...

Страница 13: ...p and configuring the IMAQ 1410 NI IMAQ driver software and documentation Getting Started with Your IMAQ System Optional software packages and documentation NI Vision Builder for Automated Inspection NI Vision Assistant LabVIEW LabWindows CVI Measurement Studio IMAQ BNC 1 shielded 75 Ω BNC cable for VIDEO0 included with the IMAQ 1410 Video camera or other video source Pentium based PCI computer ru...

Страница 14: ... the device take the following precautions Ground yourself using a grounding strap or by touching a grounded object such as the computer chassis Touch the antistatic package to a metal part of the computer chassis before removing the device from the package Caution Never touch the exposed pins of connectors Remove the device from the package and inspect it for loose components or any other signs o...

Страница 15: ...els must be installed while operating the device Do not operate the device in an explosive atmosphere or where flammable gases or fumes may be present Operate the device only at or below the pollution degree stated in the specifications Pollution consists of any foreign matter solid liquid or gas that may reduce dielectric strength or surface resistivity The following is a listing of pollution deg...

Страница 16: ... local level electrical distribution such as that provided by a standard wall outlet e g 115 V for U S or 230 V for Europe Examples of Installation Category II are measurements performed on household appliances portable tools and similar products Installation Category III is for measurements performed in the building installation at the distribution level This category refers to measurements on ha...

Страница 17: ...rself and the computer from electrical hazards the computer must remain off and unplugged until you finish installing the IMAQ 1410 device 4 Remove the computer cover Make sure there are no lit LEDs on the motherboard If any are lit wait until they go out before continuing installation 5 Touch the metal part of the power supply case inside the computer to discharge any static electricity that migh...

Страница 18: ...as well as from non standard cameras such as line scan cameras The IMAQ 1410 digitizes analog video signals to 8 or 10 bits of resolution at sampling frequencies up to 40 MHz The IMAQ 1410 has a factory calibrated gain circuit to improve measurement accuracy and board to board consistency It uses a PCI interface for high speed data transfer 16 MB of SDRAM for data buffering and region of interest ...

Страница 19: ...ntrol Circuitry You can select either the full bandwidth of 30 MHz or a reduced bandwidth of 9 MHz The 9 MHz bandwidth setting is available using a 5th order Butterworth lowpass filter Digital Input Output Circuitry RTSI Bus 68 pin VHDCI Connector Video 0 PCI Bus Video Mux Programmable Gain and Offset PCI Interface and Scatter Gather DMA Controller Onboard Memory and Control Circuitry Analog Bandw...

Страница 20: ...ollers The DMA controllers transfer data between the onboard SDRAM memory buffer and the PCI bus Each of these controllers supports scatter gather DMA which allows the controllers to reconfigure on the fly This functionality enables the IMAQ 1410 to perform continuous image transfers directly to either contiguous or fragmented memory buffers PCI Interface The IMAQ 1410 implements the PCI interface...

Страница 21: ...ines to start or stop an acquisition on a rising or falling edge You also can map onboard signals such as HSYNC VSYNC ACQUISTION_IN_PROGRESS and ACQUISITION_DONE to these lines The camera control lines provide a means to generate deterministic signals for triggering cameras strobe lights or other timing critical applications Note The IMAQ 1410 does not support pixel clock output on the trigger lin...

Страница 22: ...Considerations The analog front end of the IMAQ 1410 features a calibrated gain circuit programmable DC restore circuit and 10 bit ADC as shown in Figure 3 2 Figure 3 2 IMAQ 1410 Analog Front End 10 Bit 8 Bit Mode The IMAQ 1410 always digitizes the incoming video signal to 10 bits of resolution In 10 bit mode the IMAQ 1410 has four fixed full scale ranges for calibrating the gain for each range Be...

Страница 23: ... required by the NTSC standard the clamping pulse may intersect either the color burst or the active video portions of the signal If this occurs an acquired image may appear to have dark and light bands as in the following image To prevent this problem open Measurement Automation Explorer MAX and navigate to the Advanced tab of the camera file property page Use the following guidelines to adjust t...

Страница 24: ...annel configured in RSE mode uses one input which connects to the positive terminal The negative input is internally tied to ground BNC Connector The BNC external connector supplies an immediate connection RSE mode only to the 1410 VIDEO0 input To connect a camera to VIDEO0 first verify that the W1 jumper is in place Next use the 2 m BNC cable shipped with the IMAQ 1410 or another 75 Ω BNC cable t...

Страница 25: ...nments 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 VIDEO 0 VIDEO 0 VIDEO 1 VIDEO 1 RESERVED RESERVED RESERVED RESERVED DGND RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED HSYNC_IN VSYNC_IN CSYNC_IN CSYNC_OUT CTRL 0 ...

Страница 26: ...ization pulse produced at the beginning of each video scan line that keeps a video monitor s horizontal scan rate in step with the transmission of each new line You can set HSYNCIN for either TTL or RS 422 mode and program its polarity through software In RS 422 mode both HSYNCIN and HSYNCIN receive the HSYNC signal VSYNCIN Use VSYNCIN when the IMAQ 1410 is in external lock mode or external HSYNC ...

Страница 27: ...o contain specific pulse widths or internal status signals by using the onboard events CTRL 3 0 Use the control lines on the IMAQ 1410 to control camera features and timing information such as generating integration or shutter pulses You can generate either static or dynamic signals and either TTL or differential signals on these lines GND GND is a direct connection to digital GND on the IMAQ 1410...

Страница 28: ...A 60 Hz 640 480 resolution Note The IMAQ 1410 also supports other nonstandard video formats whose internal pixel clock frequencies are between 2 40 MHz Video Input Channels 4 monochrome Input impedance 75 Ω 1 VIDEO0 RSE BNC or VHDCI or DIFF VHDCI VIDEO 3 1 RSE or DIFF VHDCI Frequency response 30 MHz 3 dB typ Digital antichrominance filter Programmable disabled 3 58 MHz notch filter or 4 43 MHz not...

Страница 29: ...ly clocked Pixel aspect ratio Programmable 5 of nominal Memory Onboard memory 16 MB synchronous dynamic RAM Internal Pixel Clock Frequencies range 2 MHz to 40 MHz Pixel ratio for standard video sources 5 External Connections Trigger input Voltage range 0 to 5 V TTL Input high voltage 2 0 V Input low voltage 0 8 V Polarity Programmable active high or active low Trigger output Voltage range 0 to 5 V...

Страница 30: ... 5 cm 4 2 in 6 9 in Weight 0 127 kg 0 28 lb Environment The IMAQ PCI 1410 device is intended for indoor use only Operating temperature 0 to 55 C Storage temperature 20 to 70 C Maximum altitude 2 000 m Pollution Degree 2 Relative humidity 10 to 90 noncondensing Note Random vibration profiles were developed in accordance with MIL T 28800E and MIL STD 810E Method 514 Test levels exceed those recommen...

Страница 31: ... Class A at 10 m FCC Part 15A above 1 GHz Immunity EN 61326 1997 A2 2001 Table 1 CE C Tick and FCC Part 15 Class A Compliant Note For EMC compliance operate this device with shielded cabling In addition all covers and filler panels must be installed Refer to the Declaration of Conformity DoC for this product for any additional regulatory compliance information To obtain the DoC for this product vi...

Страница 32: ...igger sources or synchronization sources Use the following guidelines when developing your own cables For the video inputs use a 75 Ω shielded coaxial cable For the digital triggers and synchronization signals use twisted pairs for each signal For information about connector pin assignments refer to the Digital I O Connector section of Chapter 4 Signal Connections Connector Specifications Video an...

Страница 33: ... Instruments Application Engineers make sure every 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 ins...

Страница 34: ...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 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 addresse...

Страница 35: ... specific customer needs aspect ratio The ratio of a picture or image s width to its height B buffer Temporary storage for acquired data bus A group of conductors that interconnect individual circuitry in a computer such as the PCI bus typically the expansion vehicle to which I O or other devices are connected C CCIR Comite Consultatif International des Radiocommunications A committee that develop...

Страница 36: ... DAQ device E external trigger A voltage pulse from an external source that triggers an event such as A D conversion F field For an interlaced video signal a field is half the number of horizontal lines needed to represent a frame of video The first field of a frame contains all the odd numbered lines the second field contains all of the even numbered lines frame A complete image In interlaced for...

Страница 37: ...o a virtual instrument VI in LabVIEW interlaced A video frame composed of two interleaved fields The number of lines in a field are half the number of lines in an interlaced frame interrupt A computer signal indicating that the CPU should suspend its current task to service a designated activity interrupt level The relative priority at which a device can interrupt L LSB Least significant bit LUT L...

Страница 38: ...size of the region covered by the pixel An acquired pixel should optimally be square thus the optimal value is 1 0 but typically it falls between 0 95 and 1 05 depending on camera quality pixel clock Divides the incoming horizontal video line into pixels R resolution 1 The number of rows and columns of pixels An image composed of m rows and n columns has a resolution of m n This image has n pixels...

Страница 39: ...eing accessed the next one is being prepared for access sync Tells the display where to put a video picture The horizontal sync indicates the picture s left to right placement and the vertical sync indicates top to bottom placement T trigger Any event that causes or starts some form of data capture TTL Transistor transistor logic V value The grayscale intensity of a color pixel computed as the ave...

Страница 40: ...ND signal table 4 4 composite synchronization See CSYNC configuration parts locator diagram 1 2 conventions used in the manual v CSYNC CSYNC mux 3 3 external acquisition mode 3 4 genlock and synchronization circuitry 3 3 CSYNCIN signal table 4 3 CSYNCOUT signal table 4 3 CTRL 3 0 signal table 4 4 custom cable specifications B 1 D Declaration of Conformity NI resources C 1 diagnostic tools NI resou...

Страница 41: ...AQ and motion control 1 4 internal pixel clock specifications A 2 I O connector avoiding VIDEO0 connection with BNC connector 4 2 custom cable specifications B 1 pin assignments figure 4 2 signal descriptions table 4 3 K KnowledgeBase C 1 L LabVIEW Vision Builder AI 1 3 lock mode external 3 5 lookup table 10 bit LUT 3 3 M motion control integrating with 1 5 N National Instruments support and servi...

Страница 42: ...ision 1 3 NI IMAQ driver software 1 3 specifications A D conversion A 2 electromagnetic compatibility A 4 environment A 3 formats supported A 1 internal pixel clock A 2 physical A 3 power requirements A 3 safety A 4 video input A 1 standard acquisition mode 3 4 support technical C 1 SYNC mux 3 3 synchronization circuitry 3 3 system requirements 2 1 T technical support C 1 training and certificatio...

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