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Reflective Photomicrosensor with Sensitivity Adjuster (Non-modulated)
EE-SY671/672
CSM_EE-SY671_672_DS_E_6_2
Photomicrosensor with sensitivity
adjuster.
• Easy adjustment with a built-in sensitivity adjuster.
• Easy optical axis monitoring with a bright light indicator.
• Compact design incorporating a built-in amplifier and special IC
enables direct switching capacity of up to
100 mA.
• Wide operating voltage range: 5 to 24 VDC
• Connection possible with a range of ICs, relays, and Programmable
Controllers (PLCs).
Be sure to read Safety Precautions on
page 4.
Ordering Information
Sensors
Infrared light
Appearance
Sensing method
Sensing distance
Output type
Output
configuration
Horizontal
type
Model
EE-SY671
1 to 5 mm
Reflective type
NPN output
Dark-ON or Light-ON
(Selectable) *
Vertical type
EE-SY672
* The Dark-ON/Light-ON (selectable) models are normally used as dark-ON models. To use them as light-ON models, short-circuit the L terminal and positive (+)
terminal.
An EE-1001-1 Connector with the terminals already short-circuited is also available.
Accessories (Order Separately)
Type
Cable length
Connector
Model
EE-1001
EE-1001-1
1m
Connector with Cable
2m
Connector with Robot Cable
1m
2m
Remarks
L terminal and positive (+) terminal are already
short-circuited.
EE-1009
EE-1006 1M
EE-1010 1M
EE-1006 2M
EE-1010 2M
EE-1010-R 1M
EE-1010-R 2M
Connector Hold-down Clip
EE-1006A
Applicable Photomicrosensors
For EE-SY671 and 672 only.
(Can be used only with EE-1006 Connectors for the
Photomicrosensors listed above.)
Note: For details, refer to the Photomicro Sensors Accessories on EE-@ which can be accessed from your OMRON website.
1
EE-SY671/672
Ratings and Specifications
Item
Models
EE-SY671, EE-SY672
Sensing distance
1 to 5 mm (Reflection factor: 90%; white paper 15 × 15 mm)
Sensing object
Transparent or opaque: 15 × 15 mm min.
Differential distance
0.5 max. (with a sensing distance of 3 mm, horizontally)
Light source
GaAs infrared LED with a peak wavelength of 940 nm
Indicator *1
Light indicator (red)
Supply voltage
5 to 24 VDC ±10%, ripple (p-p): 10% max.
Current consumption
40 mA max.
Control output
NPN open collector:
Load power supply voltage: 5 to 24 VDC
Load current: 100 mA max.
OFF current: 0.5 mA max.
100 mA load current with a residual voltage of 0.8 V max.
40 mA load current with a residual voltage of 0.4 V max.
Response frequency *2
50 Hz min. (Average: 500 Hz)
Ambient illumination *3
1,500 lx max. with fluorescent light on the surface of the receiver
Ambient temperature
range
Operating: −25 to +55°C
Storage: −30 to +80°C
Ambient humidity range
Operating: 5% to 85%
Storage: 5% to 95%
Vibration resistance
Destruction: 20 to 2,000 Hz (peak acceleration: 100 m/s2)
1.5-mm double amplitude for 2 h (4-min periods) each in X,
Y, and Z directions
Shock resistance
Destruction: 500m/s2 for 3 times each in X, Y, and Z directions
Degree of protection
IEC IP50
Connecting method
Special connector (direct soldering possible)
Weight
Approx. 3.5 g (including screwdriver for adjustment)
Material
Accessories
Case
Polybutylene phthalate (PBT)
Emitter/
receiver
Polycarbonate
Screwdriver for adjustment
*1. The indicator is a GaP red LED
(peak wavelength: 690 nm).
*2. The response frequency was measured by
detecting the following rotating disk.
200 mm
dia.
15 mm
15 mm
15 mm
Disk
Disk
EE-SY671
EE-SY672
*3. The ambient illuminance is measured on the
surface of the receiver.
2
EE-SY671/672
Engineering Data (Reference Value)
Operating Range Characteristics
(Max. Sensitivity)
EE-SY67@
22 Sensing object: White paper (15 × 15 mm2)
Distance Y (mm)
Distance Y (mm)
EE-SY67@
(reflection factor: 90%)
20
18
X
X
Y
16
Y
14
22 Sensing object: White paper (15 × 15 mm2)
18
X
Y
16
Y
X
14
12
12
10
10
8
8
6
6
4
(reflection factor: 90%)
20
4
Operates
2
0
−6
−5 −4 −3
Operates
2
Releases
−2 −1
0
1
2
3
4
5
0
−6
6
Releases
−5 −4 −3
−2 −1
0
1
Distance X (mm)
25
4
5
6
Sensing Distance vs. Sensitivity
Volume
Sensing object: White paper (15 × 15 mm2)
(reflection factor: 90%)
l
20
3
Distance X (mm)
Sensing distance (mm)
Sensing distance (mm)
Sensing Distance vs. Object Area
Characteristics
2
l
With max. sensitivity
15
35
Aluminum plate
30
25
Paper (reflection factor: 90%)
20
Straw paper
15
10
Paper (reflection factor: 10%)
10
5
Black backlight
5
0 2
1
22
32
5 2 7 2 10 2
0
0
20 2 30 2 50 2
2
2
Sensing area l (mm )
min.
1
2
3
4
5
6
7
Sensing adjuster scale
8
9
10
max.
I/O Circuit Diagrams
NPN Output
Model
Output
configuration
Timing charts
Incident
Interrupted
Light-ON
Light indicator ON
(red)
OFF
Output
transistor
Load 1
(relay)
EE-SY671
EE-SY672
ON
OFF
Operates
Releases
Terminal
connections
Short-circuited
between
L terminal and
positive
terminal
Dark-ON
Output
transistor
Load 1
(relay)
ON
OFF
Light indicator
(red)
Load 1
OUT
Main
circuit
Incident
Interrupted
Light indicator ON
(red)
OFF
Output circuit
5 to 24 VDC
Open between
L terminal and
positive
terminal
Operates
Releases
3
EE-SY671/672
Safety Precautions
Refer to Warranty and Limitations of Liability.
WARNING
This product is not designed or rated for ensuring
safety of persons either directly or indirectly.
Do not use it for such purposes.
Precautions for Correct Use
Make sure that this product is used within the rated ambient
environment conditions.
● Wiring
Soldering
● Sensitivity Adjustment
Use the special screwdriver (sold together) for sensitivity
adjustment.
• When an excessive force is applied to sensitivity adjuster, it may be
damaged.
• The shaft of the sensitivity adjuster is charged. Connect a DC
power supply incorporating an insulated transformer to the
photomicrosensor. Do not connect a DC power supply
incorporating an autotransformer or the user may receive an
electric shock when adjusting the sensitivity.
• When direct soldering to the terminal, use the following guidelines.
Soldering Conditions
Item
Temperature
Permissible
time
Soldering
iron
350°C
max.
3 s max.
Remarks
Autotransformer
Power
source
+
−
Sensor
Power
source
+
−
Sensor
The portion between the base of
the terminals and the position
1.5 mm from the terminal base
must not be soldered.
• The terminal base uses a polycarbonate resin, which could be
deformed by excessive soldering heat, resulting in damage to the
product’s functionality.
Insulated transformer
Cable Extension
• When extending the cable, use an extension cable with conductors
having a total cross-section area of 0.3 mm2. The total cable length
must be less than 10 m.
● Installation
The photomicrosensor is built into the device being used and so is not
equipped to deal with interference from an external light source.
When using the sensor in an area exposed to an incandescent lamp,
install so as to minimize the effects of external light sources.
4
EE-SY671/672
Sensitivity Adjustment with Background Object
Point A
Point B
Background object
Sensing
conditions
Check
Background object
A
Adjuster
indicator
Adjustment
Procedure
Setting
Background object
B
Black paper with small
reflection factor
C
B
C
1. Set the sensitivity of the
2. Remove the sensing object, 3. Set the sensitivity adjuster
4. After setting the sensitivity
photomicrosensor to
at which time the light
at the center (point C)
adjuster to point C, check if
minimum, place the sensing
indicator will be OFF.
between point A and B.
the light indicator is lit on
object in the sensing
Further turn the sensitivity
Points A and B will be very
placing the sensing object at
position, turn the sensitivity
adjuster clockwise slowly
close if the sensor is
the sensing position and not
adjuster clockwise slowly
until the light indicator is lit
influenced by excessive
lit on removing the sensing
until the light indicator is lit
again (point B). The
light reflected by the
object.
(point A).
operation indicator will not
background object, in which
light again if the background
case take the following
object does not reflect light,
preventive measures.
in which case refer to
(1) Separate the sensor and
‘Sensitivity Adjustment with
the background object
No Background Object”.
by a distance of 20 mm
min.
(2) Cover the surface of the
background object with
a material with a small
reflection factor, such as
black sponge.
Sensitivity Adjustment with No Background Object
Point A
Sensing
conditions
Adjuster
indicator
Adjustment
Procedure
Point B
Check
A
A
C
C
B
1. Set the sensitivity of the
2. Set the sensitivity adjuster 3. After setting the sensitivity
photomicrosensor to
at the center (point C)
adjuster to point C, check if
minimum, place the sensing
between points A and B (the
the light indicator is not lit on
object at the sensing
point where the sensitivity is
removing the sensing
position, turn the sensitivity
maximum).
object.
adjuster clockwise slowly
until the light indicator is lit
(point A).
5
EE-SY671/672
(Unit: mm)
Dimensions
Tolerance class IT16 applies to dimensions in this datasheet unless otherwise specified.
Sensors
EE-SY671
EE-SY672
Two, 3.2 dia. holes
19
Sensing window (back) (12.2 × 4.1)
25.4
19
13.4
12.2
0.2
Sensitivity
adjuster
Two, 3.2 dia. holes
19
Sensing window (12.2 × 5.15)
25.4
19
13.4
6.95
6.35
Sensitivity
adjuster
4.1
16.7
Two, 3.8 dia.
holes
14.15
6.95
6.35
Two, 3.8 dia.
holes
16.7
(25)
(25)
(31.4)
(31.2)
13.2
13.2
8.3
5.5
8.3
5.5
6.2
6.2
0.3
0.3
(1) (2) (3) (4)
Indicator window
(1) (2) (3) (4)
0.7
2.54
0.6
Terminal Arrangement
(1)
+
(2)
L
(3) OUT
(4)
−
Indicator window
0.7
2.54
0.6
Terminal Arrangement
Vcc
(1)
+
L
(2)
L
OUTPUT
(3) OUT
GND (0 V)
(4)
−
Vcc
L
OUTPUT
GND (0 V)
Accessories (Order Separately)
* Refer to Accessories for details.
6
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2016.4
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2016 All Right Reserved.
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