Optex CVS2 User manual
DISPLAY ON LCD SCREEN
6
5
4
3
2
1
7
Basic Information Before Use
Display on LCD Screen
Distinction by
Patterns Recognition
Use of Applied Functions
Changing Set Value
Troubleshooting
Appendix
COLOR VISION SENSOR SERIES
Patterns Recognition
Sensor
Instruction Manual
Ramco Innovations
www.optex-ramco.com
phone 800-280-6933
2
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.
Legend of Safety Symbols
In this manual, various symbols are used for safe use of the device,
preventing the harm to you and other persons as well as the damage to the
property.
Symbols and their meanings are as follows. Before reading this manual,
fully understand the meanings of these symbols.
Indicates a possible hazard that may result in death or
serious injury if the device is used incorrectly without
observing stated instructions.
Indicates a possible hazard that may result in any injury or
property damage if the device is used incorrectly without
observing the stated instructions.
Indicates precautions and regulations to be observed or other
information useful to know.
Ramco Innovations
www.optex-ramco.com
phone 800-280-6933
3
PRECAUTIONS FOR SAFE USE
• Do not disassemble nor modify the device.
Otherwise, it may cause a re or an electric shock.
• Continuing to use the device under abnormal
conditions, such as those with abnormal smell or
smoke, may cause a re or an electric shock. In
such cases, immediately pull out the power plug and
conrm that the abnormal condition is removed, and
then contact us or our sales representative. Never
repair the device by yourself since it is dangerous.
• Do not use the device by a power voltage outside
12-24 V DC. It may cause a re or an electric shock.
• Avoid wiring a cable and high-voltage or power cable
in parallel or wiring them in a same piping. It may
cause a malfunction of the device.
• Do not mount the device at any one of the following
places to use this product properly and safely. If not
observed, it may cause a re, an electric shock, or a
failure.
• Place at high prospective humidity
• Place at high prospective temperature (where
the device is subject to direct sunshine)
• Dusty place
• Place with insufcient ventilation
• Place where static electricity is likely to be
generated
• Place involving corrosive or ammable gases
• Place where the device is subject to water, oil,
and /or chemical splashes
• Place with direct vibration and impact
• Do not handle electric cables as follows. Otherwise,
cables may be damaged, resulting in a re or an
electric shock.
• 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
4
• Do not insert any improper cable or metal into
electrical terminals. It may result in short-circuiting
inside the device, causing a re, an electric shock,
and / or a failure.
• Do not drop this device nor give any strong impact
on it. It may result in personal injury, if it falls on your
foot, or a device failure.
• Securely mount this device. This device may
fall off due to insufcient mounting or unstable
mounting position, resulting in personal injury or
an accident.
• Wipe off the dirt on this device with a soft, dry
cloth or a rmly squeezed cloth wet with diluted
neutral detergent.
• 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
5
TABLE OF CONTENTS
FOREWARD.......................................................................2
Legend of Safety Symbols ......................................................... 2
PRECAUTIONS FOR SAFE USE ......................................3
TABLE OF CONTENTS ......................................................5
1 BASIC INFORMATION BEFORE USE ............................7
Names and Functions of Components....................................... 7
Precautions When Mounting This Sensor.................................. 8
Wiring of Power Cable ............................................................. 10
Option....................................................................................... 11
2 DISPLAY ON LCD SCREEN .........................................12
Outline of LCD screen .............................................................. 12
Details of LCD Screen.............................................................. 14
Names and Functions of Operating Buttons ............................ 15
3 DISTINCTION BY PATTERNS RECOGNITION............16
Outline of Patterns Recognition................................................ 16
Registration of Work Pattern (Shape) ...................................... 17
Conrming Identity by Switching Display Mode ....................... 19
Operation Check by Shifting Work ........................................... 21
4 USE OF APPLIED FUNCTIONS ...................................22
Position & Magnication Correction ......................................... 22
Masking.................................................................................... 29
Edition of Color Detection Area ................................................ 36
Rotation Correction .................................................................. 39
Brightness Irregularity Correction............................................. 46
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
6
When in trouble: ....................................................................... 59
7 APPENDIX .....................................................................65
Specications ........................................................................... 65
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
7
1
BASIC INFORMATION BEFORE USE
Conrm that the device is not damaged before using it.
Names and Functions of Components
Operating Buttons
Use to register patterns or colors, set
each item, or switch the display mode
of the screen.
See "Names and Functions of
Operating Buttons" on Page 15.
LCD Display
Displays the images and the detection
result taken by the built-in camera.
Also, displays each set item and set value.
See "Display on LCD Screen"
on Page 12
Power / Signal Cable Connector
Connects the power / signal cable.
See "Wiring of Power Cable" on Page 10.
Cable Connector
Connects external cable (Option).
See "Options" on Page 11.
Mounting Hole
Using a screw M4×50 mm or more is
recommended.
See "Outside Dimensions
Drawing" on Page 66.
Built-in camera and
lights are equipped
on the back.
1
Ramco Innovations
www.optex-ramco.com
phone 800-280-6933
8
Precautions When Mounting This Sensor
• Mount the sensor leaned by 5°-45° so that
lighting should not be reected by a work.
5°-45°
Work
• Detection may become successful by changing
the setting even if a detected image is
displayed as shown in the right gure.
See "Changing Set Value" on Page 48.
Tilt the sensor by 10°-40° to avoid the mirror reection when a
work is shiny.
• Take caution so that the external lighting (light
from uorescent light, etc.) is not reected.
Ramco Innovations
www.optex-ramco.com
phone 800-280-6933
9
1
• The work imaging condition changes depending on the distance
between the sensor and a work and the tilted angle of the sensor.
When detecting a slight difference in shape, smear, or aw of a work,
furnish more stable bracket for this sensor and design the machine so
that attering of works is reduced as much as possible.
• Refer to the standard object distance of each model as to the distance
between this sensor and a work.
See "Specications" on Page 65.
If the object distance is too near, the sensor becomes out of focus,
causing a irregular lighting, while it is too far, the sensor is likely to
receive the inuence of the turbulence light since the light does not
reach the work.
See "Correction of Brightness Irregularity" on Page 46.
• When a work moving very fast is going to be detected, the shutter time
(brightness) has to be shortened. In such a case, make the distance
between the sensor and a work closer or add additional external
lighting since quantity of light becomes insufcient with only the light
built in this sensor.
See "Options" in Page 11.
• The shutters of the image sensor of this device open in sequence from
the right to the left in the screen. Because of this reason, the work
traveling from the right to the left is displayed wider and the one
traveling opposite is displayed narrower.
In order to detect a slight difference in shape, slow down the travel
speed of a work.
• 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.
BASIC INFORMATION BEFORE USE
Ramco Innovations
www.optex-ramco.com
phone 800-280-6933
10
Wiring of Power Cable
The following shows the color and signal allocations of the power / signal
cable lines.
No Line Color Content of signal
1 Brown 12-24 V DC
2 Blue 0 V
3 Orange / Black Bank switch 0 input
4 Yellow / Black Bank switch 1 input
5 Pink Bank switch 2 input / External
teach input
6 Purple Bank switch 3 input / Synchronous
input
7Black Judgment output
8Red/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
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