Optex CVS2 Instruction Manual
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Optex CVS2 Instruction Manual

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C O L O R
Patterns Recognition
Sensor
Ramco Innovations
V I S I O N
Basic Information Before Use
Display on LCD Screen
Use of Applied Functions
www.optex-ramco.com
S E N S O R
DISPLAY ON LCD SCREEN
Distinction by
Patterns Recognition
Changing Set Value
Troubleshooting
phone 800-280-6933
S E R I E S
Instruction Manual
Appendix
1
2
3
4
5
6
7

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Summary of Contents for Optex CVS2

  • Page 1 S E R I E S DISPLAY ON LCD SCREEN Patterns Recognition Sensor Instruction Manual Basic Information Before Use Display on LCD Screen Distinction by Patterns Recognition Use of Applied Functions Changing Set Value Troubleshooting Appendix Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 2: Foreward

    FOREWARD • Thank you for purchasing our color vision sensor series Patterns Recognition Sensor (CVS2). • Carefully read this manual before using this device for correct use. • After reading this manual, keep it handy for ready reference. • This device cannot be used as a safety-related device to protect human body.

  • Page 3: Precautions For Safe Use

    • Damage • Torture • Pull • Twist • Bundle, • Put heavy stuff • Do not touch the device or its cable with wet hand. Otherwise, it may cause an electric shock. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 4 • Please note that there may be dead pixels or bright pixels with the LCD screen although it has been produced with a super-high precision technology. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 5: Table Of Contents

    5 CHANGING SET VALUE..........48 Changing Set Value..............48 Initializing Set Value ..............49 Example of Changing Set Value ..........50 Set Items List................52 Function of Color Selection & Mask Edition Menu ....58 6 TROUBLESHOOTING...........59 Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 6 Outside Dimensions Drawing ........... 66 I/O Circuit Diagrams ..............67 Relation between External Input and Bank No......68 External Teaching Timing ............68 Function of Auxiliary Output ............. 69 Operation Check by Using Sample Work......... 70 Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 7: Basic Information Before Use

    See "Outside Dimensions Drawing" on Page 66. Cable Connector Connects external cable (Option). See "Options" on Page 11. Power / Signal Cable Connector Connects the power / signal cable. See "Wiring of Power Cable" on Page 10. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 8: Precautions When Mounting This Sensor

    See "Changing Set Value" on Page 48. Tilt the sensor by 10°-40° to avoid the mirror reflection when a work is shiny. • Take caution so that the external lighting (light from fluorescent light, etc.) is not reflected. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 9 • Please note that there may be dead pixels (pixels that cannot receive light correctly) with this image sensor. Although dead pixels may not detect or detect incorrectly, they will not be any problem on the practical use since they are very few. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 10: Wiring Of Power Cable

    Bank switch 3 input / Synchronous 6 Purple input 7 Black Judgment output 8 Red/Black Aux. output • The LCD screen and lighting turn ON when the power lines are connected. • The reference power capacity is 300 mA/unit. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 11 ・ The back light of the LCD display gets dark when the internal temperature increases. The back light will get bright by pressing the operating button of this sensor. The back light will get dark again if any push-button operation is not done within 60 seconds. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 12: Display On Lcd Screen

    SYSTEM Displays the System Menu. Press Then, the intended screen will appear. By pressing for 3 seconds or more after selecting TEACHING SAVE PATTERN will be executed. See "Distinction by Patterns recognition" on Page 16. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 13 & magnification correction, the registration of a pattern (shape) for rotation correction, and the edition of the masking area or the color detection area. See "Distinction by Patterns recognition" on Page 16. System Menu Corrects brightness irregularity and captures image. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 14: Details Of Lcd Screen

    A numeral displayed in orange shows that output is ON, while a numeral in green shows that output is OFF. The screen to make setting and edition differs depending on each function. Refer to the explanations of each function for details. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 15: Names And Functions Of Operating Buttons

    Use to change or edit a set value or return to the previous menu. ⑤ VIEW button Use to switch the display mode of the screen.   See " Confirming Identity by Switching Screen Display Mode” on Page 19. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 16: Distinction By Patterns Recognition

    Outline of Patterns Recognition To distinguish a work by the patterns recognition, register the pattern of a good work (shape) in the beginning. Identity is distinguished by compar- ing a work with the registered pattern. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 17: Registration Of Work Pattern (Shape)

    See "Operation Check by Using Sample Work” on Page 70. TEACHING Press and select TEACHING is displayed in yellow. Press The teaching menu appears. SAVE PATTERN is directly executed by pressing for 3 seconds or more. Proceed to Step 7. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 18 SAVE PATTERN changes into yellow. The patterns recognition without any correction starts operating by the above operations Press The standard screen is restored. Proceed to "Confirming Identity by Switching Display Mode" on the following page. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 19: Confirming Identity By Switching Display Mode

    Displays only the colors for correcting Displays the image screen after correcting position, magnification, and rotation. position, magnification, and rotation. This Displays other areas in purple. is similar to ① THRU when there is no correction. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 20 This is because the work is at the position same as that in registration. Proceed to "Operation Check by Shifting Work” on the following page. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 21: Operation Check By Shifting Work

      Shift the sample work to the lower left in the standard screen. Identity has decreased from 100 to 58.   Press five times. COMP will be displayed. Middle identity zone has increased since the work has shifted. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 22: Use Of Applied Functions

      Turn ON the power supply and detect Sample ② .       S ee "Operation Check by Using Sample Work" on Page 70. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 23   Select STD TEACH by pressing several times.   is displayed in yellow. STD TEACH   Press for 3 seconds or more. STD TEACH is executed, and the display changes to the color selection menu. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 24 See "Function of Color Selection & Mask Edition Menu" ( Page 58) for details of the function.   Confirm that ▲ UP MOVE displayed. (Press several times if other function is being displayed.) Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 25 By pressing , imaging stops and the image on the display becomes a still picture and it will be easier to operate this device. Pressing again will restart imaging.   Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 26 3 seconds or more. The registration of the color and pattern for the position & magnification correction is complete by the above operations. Proceed to “Operation Check at Position & Magnification Correction” on the following page. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 27 ON with the identity is 100”Confirm identity frequency becomes “100”. Press The standard screen is restored. In the standard screen, shift the sample work to the lower right. Identity remains high level. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 28 In this case, only the central part in the screen can be compared. In such a case, widen the comparison target zone or move its position by editing the masking zone. See "Masking" on the following page for details. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 29: Masking

    ② Method to select the masking window itself or other zone ② The following explains the edition of masking by the method. Select by pressing TEACHING in the target screen. TEACHING is displayed in yellow. Press The teaching menu is displayed. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 30 Other than the functions to move the position of the masking window and change the window size, a function to change the color range is also available. See "Function of Color Selection & Mask Edition Menu" ( Page 58) for details of the function. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 31 Enlarge the masking window to the height a bit higher than that of the triangle by pressing If the height of the masking window gets too high, reduce it by pressing ▲ LARGE SIZE Display pressing Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 32 When is pressed, the masking window zone is deleted from the mask zone. Mask zone (blue portion) When is pressed, the masking window zone is added to the mask zone. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 33 Then, the former mask zone is restored, canceling the revision to it. The edition of the mask zone is complete by the above operations. Proceed to "Operation Check after Edition of Masking" on the following page.  Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 34 Press The standard screen is restored. Display by pressing COMP several times. Shift the sample work in the standard screen. Identity remains high even when the work position is shifted. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 35 In such a case, register another color for the rotation correction. Then, the patterns can be compared by correcting the rotating angle even when a work rotates. See "Rotation Correction" ( Page 39) for details. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 36: Edition Of Color Detection Area

    Area outside color detection area (Red translucent portion) Color detection area (Area outside red translucent portion) A function in the color detection area edition menu is displayed. Pressing will display the next function while pressing will display the previous function. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 37 ▲ LARGE SIZE Display pressing Every pressing will increase the vertical size while every pressing will decrease it. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 38 3 seconds or more, the former color detection area is restored, canceling the revision to it. The edition of the color detection area is complete by the above operations. Press The standard screen is restored. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 39: Rotation Correction

    & magnification correction is close to the center position. Before registering the color for the rotation correction, register the color and pattern for the position & magnification correction, referring to “Position & Magnification Correction”. ( See Page 22.) Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 40 Press for 3 seconds or more. ROTATION is executed and the color selection menu is displayed. The operating method on the color selection menu is the same as that on the position & magnification menu. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 41 Move the color detection window down as far as the center of the quadrangle at the lower right in the screen by holding pressed. If the color detection window has moved down too much, move it upward by pressing Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 42 The following screens are displayed alternately when the color detection window has moved to the quadrangle center. Check the following points at that position. Are the colors other than the selected color displayed in purple? Is this the target color? Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 43 Display the teaching menu and confirm that the identity is remains high. Press The standard screen is restored. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 44 Confirm that both the colors are displayed. Rotate the sample work in the standard screen. THRU Display by pressing 4 times. Identity remains high. COLR Display by pressing twice. Color for rotation correction Color for position & magnification correction Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 45 The triangle at the upper left is being accurately compared. The reason when the low identity portion (in red) has increased is because imaging error occurs with the near side shifted from the far side when a work is imaged obliquely. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 46: Brightness Irregularity Correction

    BRIGHT CMPENST is executed and the brightness irregularity correction is displayed. Take image of white paper (paper not lustrous). The brightness of the screen is read, the value is registered, and the image screen is corrected. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 47   ・   Pressing will return to the system menu canceling the revision to the setting.   ・   Pressing for 3 seconds or more will initialize the brightness correction value. Press The standard screen is restored. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 48: Changing Set Value

    Lock / Release condition of the set value alternately. Also, Lock / Release condition of all set items can be switched all at once.   See "Permission to Set Value Initialization (INITIALIZ)" on Page 56. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 49: Initializing Set Value

    Change the value of the set item to “15”. INITIALIZ Turn OFF the power supply temporarily and turn it ON again with pressed simultaneously. The right screen is displayed. Do not turn OFF the power supply until the device restarts. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 50: Example Of Changing Set Value

    See “Position & Magnification Correction” on Page 22. PARAMETER Confirm that displayed in yellow in the standard screen. (If not, press several times.) Press The set value reference screen is displayed. Select by pressing POSIT% X is displayed in purple. POSIT% X Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 51 3 seconds or more. The set value is entered and the set value reference screen is restored. Pressing will restore the set value reference screen, canceling the revision to the set value. Press The standard screen is restored. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 52: Set Items List

    DARK CMP element; while as the set value decreases, sensor is affected by disturbance light more. *1:Set value changes when the bank is switched. ★:Patent is pending. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 53 “180”, correction is made up to ± tolerance* (180) 180° (360°).Rotation correction is made only ROTATE% when colors for both the position and rotation corrections are registered. *1:When bank is switched, the set value also changes. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 54 : Invalidates synchronization input. (Image is always taken.) *1:When bank is switched, the set value also changes. *2: External teaching can be executed if bank is set to “15” or less even when TEACHENA is set at “2”. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 55 OFF delay time 0 – 5000 Turns OFF output when condition is not met for OFFDELAY over this set time (ms). *3: Brightness and color change when RESOLUTN is changed. In such a case, perform teaching again. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 56 No. set Set value copy 0 – 14 by this setting. During execution, imaging and BANKCOPY judgment are stopped. This set value will be “0” when powered OFF. ★:Patent pending Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 57 : Inside correction tolerance output Turns ON only when all the tolerances of the position & magnification correction and rotation correction are within their set values. : Always ON Always turns ON the auxiliary output. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 58: Function Of Color Selection & Mask Edition Menu

    Sets the shutter time.Set value×100 µs will Shutter time* 0 – 263 be the actual shutter time.The shutter time SHUTTER (100) exceeding the image transfer time cannot be set. *1:Not included in the set items on the mask edition menu. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 59: Troubleshooting

    Position, magnification, and rotation corrections shift gradually. Confirm that the detection color when the teaching is done is correctly detected. • Display COLR by pressing several times, and confirm that the Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 60 How can stable distinction be secured even when the work dislocations or the distance to this sensor changes during measurement? Perform the position & magnification correction. • See "Position & Magnification Correction" on Page 22. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 61 Number of pixels causing blur = 32.76 Shape deforms when moving work is imaged. CMOS image sensor used for CVS2 opens the shutter from right to left in the screen in sequence. Therefore, the imaged shape deforms if the travel speed of a work is fast.
  • Page 62 TEACHENA (Teaching permission) may be set to “1” or “2”. • Normally, set to “0”. Any screen cannot be registered. TEACHENA (Teaching permission) may be set to “2”. • Normally, set to “0”. Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 63 Set value cannot be changed. The set value may be locked. • If the set value is displayed in blue, it is at the LOCK (Change prohibition) condition. To release the LOCK condition, display the Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 64 Taking image and judgment of identity are done continually. ③ Select a function other than CAPTURE by pressing , or . Then, the hold condition of the screen is released. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 65: Appendix

    *2 When the set value of DARK CMP is “10” or more *3 When luminance has dropped to one third under the normal temperature and normal humidity circumstance *4 CVS2-N : NPN I/O, CVS2-P : PNP I/O; shows the view angle (10°, 20°, 40°).

  • Page 66: Outside Dimensions Drawing

    Outside Dimensions Drawing 21.0 33.8 42.0 2-Φ4.3 Unit:mm Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 67: I/O Circuit Diagrams

    APPENDIX I/O Circuit Diagrams ■CVS2-N10, N20, N40: NPN I/O Input circuit (Bank switch 0 - Bank switch 3) 12-24 VDC (Brown) Photocoupler Internal Circuit Bank switch 0 input (Orange / Black) Bank switch 1 input (Yellow / Black) Bank switch 2 input (Pink) Bank switch 3 input (Purple) Output circuit (Judgment output, Aux.

  • Page 68: Relation Between External Input And Bank No

    Compare Store image Compare Internal Imaging Imaging Imaging stop Imaging operation Transfer time Approx. 3 sec. (Max. 30sec.) *Max. storage time is warranted value when writing frequency has become its limit value (100, 000 times). Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 69: Function Of Auxiliary Output

    "MAGNIFY%", "POSIT X%", "POSIT Y%", and "ROTATE%". When the set value of "MAGNIFY" is "0", turns ON only when the values for which the position and rotation corrections are made are within corresponding set values. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

  • Page 70: Operation Check By Using Sample Work

    Operation Check by Using Sample Work Two kinds of sample works are prepared. Teach this illustration and use it for the registration of colors and patterns or the confirmation of set values, etc. Sample ① Sample ② Ramco Innovations www.optex-ramco.com phone 800-280-6933...
  • Page 71 T o k y o o f f i c e : 6 - 1 4 - 1 N i s h i - s h i n j y u k u , S h i j y u k u - k u , T o k y o P o s t a l c o d e : 1 6 0 - 0 0 2 3 J A P A N 0640130 Used paper distribution rate: 100% recycled paper is used. Ramco Innovations www.optex-ramco.com phone 800-280-6933...

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