E3MC RGB Color Sensor brochure Datasheet by Omron Automation and Safety

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R G B LED
RGB Color Sensor
RGB Color Sensor
One-output and four-output models are available
Easy-to-see Double Indication
Refined Performance and Easy Operation
Conformity with the registered colors can be
monitored at eight levels.
(Detection level indicators)
Allows adjustments between fine or rough dis-
crimination while monitoring the measured re-
sults.
Stable detection is assured with a threshold of
±10 mm for built-in amplifier type and ±4 mm for
optical fiber type.
Stable and Powerful
Detection for Inline Use
Long-distance Sensing with Built-in Amplifier Type
10 mm
10 mm
60 mm
Sensing
surface
Built-in amplifier type with a sensing distance of 60±10 mm is available for a wide
range of color discriminating applications.
Highly Resistant to Changes in Sensing Object
Brightness and Ambient Temperature.
OMRON's unique Free Angle Optics (FAO: multi-layer polarized filter) ensure sta-
ble detection performance and is highly resistant to changes in the tint or bright-
ness of sensing objects.
Capable of discriminating over 90 different colors.
Wide temperature range from -20¡C to 55¡C and excellent detection stability.
Maintenance-free LED Light Source
Incorporates RGB LED light sources with a long service life more than several tens
of thousand hours, thus greatly saving maintenance cost and ensuring high perfor-
mance.
(On the other hand, halogen lamps used as light sources need to be replaced or
re-adjusted every nine months or so.)
t--. t
Principles of Detection
Discriminating Delicate Color Differences
The E3MC detects colors by making use of the fact that the reflection ratio of a primary col-
or (i.e., red, green, or blue) reflected by an object varies with the chromaticity of the object.
By using a high-tech, multi-layer polarized filter called FAO (free angle optics), the E3MC
emits red, green, and blue light on a single optical axis so that the light will be reflected by
sensing objects. The E3MC receives the light reflected by the sensing objects through the
receiver and processes the red-green-blue ratio of the light to discriminate the color of the
sensing object.
The detection level indicators are lit according to the degree of conformity between reg-
istered and detected colors.
Delicate color differences are discriminated by setting the threshold to an upper level.
(Fine discrimination is expected.)
Sensor errors that may be caused by minor tint differences or dirt retention are preven-
ted by setting the threshold to a lower level. (Rough discrimination is expected.)
In Mode C (Refer to the E3MC Datasheet)
Sensing
object
Photodiode
FAO (Blue: Reflected; Red/Green: Passed)
FAO (Green: Reflected; Red: Passed)
Red LED (R)
Green LED (G)
Blue LED (B)
Monitor photodiode (see note)
Emitter lens Time-sharing lighting
Receiver lens
Note: The monitor photodiode compensates LED output deviation that may be caused by a temperature change.
Detection
level
indicators
Output
Fine
discrimination
Rough
discrimination
Threshold
value
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Note: Specifications subject to change without notice.
Cat. No. E257-E1-3A
Authorized Distributor:
Optical Fiber Type
General-purpose Optical Fiber Type
Built-in Amplifier Type
Detection of Hard-to-discriminate Marks
(Yellow Marks on a White Background, etc.)
Highly resistant to up and down fluctuation of sensing objects
and offers stable detection of marks with delicate color differ-
ences such as yellow marks on a white background.
Used for aligning directions for packaging by detect-
ing delicate color differences or very fine marks.
Detection of Directional
Alignment for Packing
Color Discrimination and Sorting of Bottles Using a
Through-beam Optical Fiber Type (E32-T17L)
Discriminates bottles or transparent films by their
color.
Suited for applications where working space is so
limited that the E3MC-X cannot be used.
Detection of Small Marks Using a
Reflective Optical Fiber Type (E32-CC200)
Detection of a Mixture of Different
Color Parts
Detects caps of different colors in a bottling pro-
cess. Easy-to-change settings using the 4-color
registration/bank selection.
Sorts toothbrushes by the color of their handles. Stable detection can be ob-
tained without being influenced by changes in brightness of sensing objects.
Extraction and Sorting by Color
Printed in Japan
0700-1M (A)
Note: 1. Refer to the E3MC Datasheet (E256).
2. Eleven colors are discriminated at this distance. For a typical example, nine colors are discriminated at a sensing distance or 12 mm.
Industrial Automation Company
Industrial Sensors Division
Sensing Devices and Components Division H.Q.
28th Fl., Crystal Tower Bldg.,
1-2-27, Shiromi, Chuo-ku,
Osaka 540-6028 Japan
Tel: (81)6-6949-6012/Fax: (81)6-6949-6021
Regional Headquarters
OMRON EUROPE B.V.
Wegalaan 67-69, NL-2132 JD Hoofddorp
The Netherlands
Tel: (31)2356-81-300/Fax: (31)2356-81-388
OMRON ELECTRONICS, INC.
1 East Commerce Drive, Schaumburg, IL 60173
U.S.A.
Tel: (1)847-843-7900/Fax: (1)847-843-8568
OMRON ASIA PACIFIC PTE. LTD.
83 Clemenceau Avenue,
#11-01, UE Square,
Singapore 239920
Tel: (65)835-3011/Fax: (65)835-2711
OMRON (CHINA) CO. LTD.
21F, Beijing East Ocean Center
No. 24A Jian Guo Men Wai Da Jie
Chao Yang District, Beijing, 100022
China
Tel: (86)10-6515-5778/Fax: (86)10-6515-5810
The product has been produced at OMRON Ayabe which obtained ISO9001-approval for its quality system
and ISO14001-approval for its environmental management system from international certification bodies.
Built-in
Amplifier
Type
Optical
Fiber
Type
General-
Purpose
Optical
Fiber
Type
E3MC-A11
E3MC-A41
E3MC-MA11
E3MC-MA41
E3MC-A81
E3MC-X11
E3MC-X41
E3MC-MX11
E3MC-MX41
E3MC-X81
E3MC-Y11
E3MC-Y41
E3MC-MY11
E3MC-MY41
E3MC-Y81
NPN
PNP
NPN
PNP
Analog
NPN
PNP
NPN
PNP
Analog
NPN
PNP
NPN
PNP
Analog
1
4
3
1
4
3
1
4
3
12 mm
3 mm
Varies
with the
recom-mended
optical fiber.
E32-CC200
Standard
sensing
distance
5 mm
200 mm
E32-T16
050100
050100
60±10 mm (See note 1)
20±4 mm (See note 1)
The shape of the amplifier section
is the same as for the E3MC-A
.
(See note 2)
Type Model Appearance Sensing distance Spot diameter
No. of output
Out-put

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