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Texas Instruments MC-1000WU-20A manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    MC-1000WU-20A High-Resolution B/W Camera User ’ s Guide Literature No. SOCU007 May 1998 Printed on Recycled Paper[...]

  • Page 2

    IMPORT ANT NOTICE T exas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify , before placing orders, that information being relied on is current and complete. All product[...]

  • Page 3

    iii Preface Read This First About This Manual This User ’s Guide provides installation, operation, and maintenance informa- tion for the MC-1000WU-20A black and white video camera. How to Use This Manual This document contains the following chapters: Chapter 1 – Introduction Chapter 2 – Specifications Chapter 3 – Installation Chapter 4 – [...]

  • Page 4

    About This Manual iv This is an example of a warning statement. A warning statement describes a situation that could potentially cause harm to you . The information in a caution or a warning is provided for your protection. Please read each caution and warning carefully . Trademarks TI is a trademark of T exas Instruments Incorporated.[...]

  • Page 5

    If Y ou Need Assistance v Read This First If Y ou Need Assistance . . . World-W ide Web Sites TI Online http://www .ti.com Semiconductor Product Information Center (PIC) http://www .ti.com/sc/docs/pic/home.htm North America, South America, Central America Product Information Center (PIC) (972) 644-5580 TI Literature Response Center U.S.A. (800) 477[...]

  • Page 6

    vi[...]

  • Page 7

    Running Title—Attribute Reference vii Chapter Title—Attribute Reference Contents 1 General Description 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 8

    T ables viii Figures 1–1 MC-1000WU-20A Interface Options and Mode Selection 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Input Interface Circuit of VD, HD, and MCK 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Output Interface Circuit of Pixel and Shutter Monitor 2-4 . . . . . . . . . .[...]

  • Page 9

    1-1 General Description General Description This User ’s Guide describes installation, operation, and maintenance for the MC-1000WU-20A video camera. T opic Page 1.1 Features 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Introduction 1-3 . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 10

    Features 1-2 General Description 1.1 Features The T exas Instruments MC-1000WU-20A camera features the T exas Instruments TC215 solid-state monochrome charge-coupled-device (CCD) image sensor . The camera is for vision system applications requiring high- resolution and high-sensitivity operation. The camera features include: TV frame rate, 15 Hz Hi[...]

  • Page 11

    Introduction 1-3 General Description 1.2 Introduction The MC-1000WU-20A is one of a series of high-resolution video cameras that employs TI’s mega-pixel CCD image sensors. The cameras are intended for scientific and industrial imaging applications where image data processing is required. The MC-1000WU-20A camera employs the TI TC215 full-frame CC[...]

  • Page 12

    Physical Description 1-4 General Description 1.3 Physical Description The MC-1000WU-20A camera is housed in an aluminum case 210.6 mm long (excluding lens) by 68.0 mm high by 68.0 mm wide. It is self-contained except for power supply and monitor . The camera weighs 2.09 pounds. The MC-1000WU-20A offers a standard TV C-mount lens attachment with an [...]

  • Page 13

    Equipment Supplied 1-5 General Description 1.4 Equipment Supplied After unpacking the camera and before discarding the packaging materials, inventory the shipment for the following items: MC-1000WU-20A CCD camera Lens (optional) (not supplied) (??If not supplied, it won’t be in the in- ventory??) MC-1000WU-20A CCD Camera User ’s Guide Auto iris[...]

  • Page 14

    Equipment Required But Not Supplied 1-6 General Description 1.5 Equipment Required But Not Supplied The MC-1000WU-20A camera uses the full-frame TC215 CCD image sensor . This full-frame format sensor requires a mechanical shutter or an electronic light strobe to prevent image smear . The shutter or strobe light allows scene information to be captur[...]

  • Page 15

    2-1 Specifications Specifications This chapter lists specifications for the MC-1000WU-20A camera and describes the interface circuit. T opic Page 2.1 Specifications 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Interface Circuit 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 16

    2-2 Specifications 2.1 Specifications T able 2–1 lists the specifications for the MC-1000WU-20A camera. T able 2–1. Specifications Item Specification Imager T exas Instruments TC215 Full-Frame CCD Resolution 1024(H) 1024(V) (total imager) 1000(H) 1017(V) (active pixels) Pixel size 12 m 12 m Imager size H: 12.2 mm V : 12.0 mm Synchronization Int[...]

  • Page 17

    2-3 Specifications T able 2–1. Specifications (Continued) Item Specification Operating temperature –10 C to +45 C Storage temperature –30 C to +85 C Dimensions 68 (W) 68 (H) 210.6 (D) mm Weight 2.09 lbs[...]

  • Page 18

    Interface Circuit 2-4 Specifications 2.2 Interface Circuit The input interface circuit of VD, HD, and MCK shown in Figure 2–1, consists of one SN75124 input gate pulled up through a 4.7-k resistor to 5 Vdc and pulled down to ground through an optional 100- resistor . The optional pull down is selected by jumpers JP1 (MCK), JP2 (HD), and JP3 (VD).[...]

  • Page 19

    3-1 Installation Installation This chapter describes interface assignments and gives instructions for installing and testing the camera. T opic Page 3.1 Interface Assignments 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Installation Procedure 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 20

    Interface Assignments 3-2 Installation 3.1 Interface Assignments Depending upon the application, it may be necessary to build a camera cable that contains some combination of the signals listed below: T able 3–1. Auto Iris Connector Pin Assignment Pin Number Signal Name A Video signal B GND C +12 V DN C E NC Note: Connectors Camera side: PRC05-R5[...]

  • Page 21

    Interface Assignments 3-3 Installation T able 3–4. AUX Connector Pin Assignment Pin Signal Name I/O T rigger Interface 1 MCK RTN 2 Horizontal Drive RTN 3 V ertical Drive RTN 4 Pixel Clk Out RTN 5 Shutter RTN 6 Shutter Monitor RTN 7 Internal/External RTN 8 GND 9 MCK IN I SN75124N 10 Horizontal Drive I Negative SN75124N 1 1 V ertical Drive I Negati[...]

  • Page 22

    Installation Procedure 3-4 Installation 3.2 Installation Procedure The following paragraphs describe installation procedures for the MC-1000WU-20A camera. 3.2.1 Mounting the Camera The camera can be mounted using any one of (??T wo on page 1–4??) three 1/4 20-thread mounting holes located on the camera base plate. 3.2.2 Connecting an Auto-Iris Le[...]

  • Page 23

    Post-Installation T est 3-5 Installation 3.3 Post-Installation T est When the power and monitor connections have been made, test the camera by applying power to the monitor and the external power supply (if used). The green power-on LED on the camera rear panel should light and an image should appear on the display . It may be necessary to operate [...]

  • Page 24

    3-6 Installation[...]

  • Page 25

    4-1 Operation Operation This chapter describes general and external operating procedures for the MC-1000WU-20A camera. T opic Page 4.1 General Operating Procedures 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2 External Operation (See Appendix B) 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 4[...]

  • Page 26

    General Operating Procedures 4-2 Operation 4.1 General Operating Procedures The MC-1000WU-20A camera features high-resolution, stable, very sensitive, linear images from an array of 1000(H) by 1017(V) picture elements. The cam- era operates as one unit of a user-defined imaging system. Other components typically consist of a mechanical shutter or s[...]

  • Page 27

    General Operating Procedures 4-3 Operation 4.2 External Operation (See Appendix B) Figure B–1. TV Internal Mode Figure B–2. TV External Mode Figure B–3. The Relationship of V ertical Sync Out and Mechanical Shutter or Strobe Light. Figure B–4. The Relationship of Horizontal Drive Input and Video Output Figure B–5. Shutter Internal Mode Fi[...]

  • Page 28

    4-4 Operation[...]

  • Page 29

    5-1 CCD Circuit Description CCD Circuit Description This chapter describes the TC215 CCD image sensor circuit used in the camera. T opic Page 5.1 The CCD Array 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 5[...]

  • Page 30

    The CCD Array 5-2 CCD Circuit Description 5.1 The CCD Array The TC215 is a full-frame charge-coupled device (CCD) image sensor that provides very-high-resolution image acquisition for image processing applications such as robotics vision, medical x-ray analysis, and metrology . The image format of the sensor measures 12.0 mm horizontally by 12.2 mm[...]

  • Page 31

    6-1 Cleaning Instructions Cleaning Instructions This chapter gives instructions for cleaning the camera. T opic Page 6.1 Cleaning 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter 6[...]

  • Page 32

    Cleaning 6-2 Cleaning Instructions 6.1 Cleaning The camera body , lens, and the CCD imager optical glass window should be kept clean and free of dust and grime. Keeping the lens and the CCD imager window clean enhances the picture, ensuring better results in the camera application. These surfaces can be cleaned with denatured alcohol and a cotton s[...]

  • Page 33

    Running Title—Attribute Reference A-1 Chapter Title—Attribute Reference Functional Block Diagram This appendix contains the functional block diagram for the camera. T opic Page A.1 Functional Block Diagram A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix A[...]

  • Page 34

    Functional Block Diagram A-2 A.1 Functional Block Diagram Figure A–1. Functional Block Diagram 3 AM Interface Board (20M) 3 AJ Logic Board 3 AK Board 3 AR Video Process Board 3 AH Power/Driver Board 3 AN Connector Board Power In Auto IRIS 3 AD CCD Board[...]

  • Page 35

    Running Title—Attribute Reference B-1 Chapter Title—Attribute Reference T iming Diagrams This appendix contains timing diagrams for the camera. T opic Page B.1 Timing Diagrams B-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix B[...]

  • Page 36

    Timing Diagrams B-2 B.1 Timing Diagrams Figure B–1. TV Internal Mode (see Note) V ertical SYNC (Internal) 1050H 27H 30H V ertical Blank 1050H 3H 27H Shutter Window † Mechanical Shutter or Strobe Light Composite Video (Out) Read Out 1017H Read Out 1017H 3H 30H V ertical Blank 3H † No output. This timing indicates CCD state which can be the int[...]

  • Page 37

    Timing Diagrams B-3 Timing Diagrams Figure B–2. TV External Mode 30H V ertical Blank Composite Video (Out) Read Out 1017H Read Out 1017H 3H 30H V ertical Blank 3H 1050H 1050H 3H V ertical SYNC (Internal) Shutter Window Mechanical Shutter or Strobe Light 27H 27H V ertical Drive (IN) Figure B–3. The Relationship of V ertical Sync Out and Mechanic[...]

  • Page 38

    Timing Diagrams B-4 Figure B–4. The Relationship of Horizontal Drive Input and Video Output Active V edio HD (Input) Video (Output) (See B–1–8) Figure B–5. Shutter Internal Mode 30H V ertical Blank 3H V ertical Blank 30H V ertical Blank Composite Video (Out) Read Out 1017H Read Out 1017H 3H 30H V ertical Blank 3H Integrate Frame Read Out Fr[...]

  • Page 39

    Timing Diagrams B-5 Timing Diagrams Figure B–6. Shutter External Mode 30H V ertical Blank Composite Video (Out) 525H Read Out 1017H 3H 30H V ertical Blank 3H 30H V ertical Blank 3H V ertical Blank Read Out 1017H Integrate Frame Read Out Frame 525H 1050H Integrate Flush 34H Shutter Command (Input) Shutter Monitor (Out) V ertical SYNC (Internal) Sh[...]

  • Page 40

    Timing Diagrams B-6 Figure B–8. HD Input Waveform 1/F (H) 3 to 10 µ s HD (Input) Figure B–9. The Relationship of VD Input and C-Sync TTL Level 1 to 9H VD (Input) C–SYNC[...]

  • Page 41

    IMPORT ANT NOTICE T exas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify , before placing orders, that information being relied on is current and complete. All product[...]