Omron E3Z-LS User manual

1
E3Z-LS
Distance-settable Photoelectric Sensor
■Switching between background and foreground
suppression (BGS/FGS) enables detecting a vari-
ety of objects under various background/fore-
ground conditions.
■Influence of external interference, including
inverter fluorescent lighting, minimized with
unique avoidance algorithm.
■Red beam for easy spot position confirmation.
■Almost no differences in detection distances for
different colors.
■Minimal hysteresis to enable detecting small steps
(2/3rds of previous models: E3Z-LS20@4S).
■Same compact size as the E3Z Series: Use the
same Mounting Brackets.
Ordering Information
■Sensors
Note: Models are also available with 0.5-m cables. Specify the cable length after the model number (example: E3Z-LS61 0.5M).
■Accessories (Order Separately)
Sensor I/O Connectors
Note: Refer to page 11 for details on Mounting Brackets.
Sensing
method Appearance Connection method Sensing distance (white paper) Model
NPN output PNP output
Distance-
settable Pre-wired (2-m cable)
(See note.)
E3Z-LS61 E3Z-LS81
M8 Connector E3Z-LS66 E3Z-LS86
40 mm20 mm 200 mm
BGS (at min. setting)
BGS (at max. setting)
FGS (at min. setting)
FGS (at max. setting)
Incident light level
threshold (fixed)
Cable
specification Appearance Cable type Model
Standard M8
cable 2 m 4-wire XS3F-M421-402-A
5 m XS3F-M421-405-A
2 m XS3F-M422-402-A
5 m XS3F-M422-405-A
Straight
L-shaped

2
E3Z-LSE3Z-LS
Application Example
Simple Detection of Glossy, Uneven Objects
BGS (Background Suppression) Selectable by
Changing Cable
Connection FGS (Foreground Suppression)
Objects beyond the set
distance, such as the
conveyor, will not be
detected. The hysteresis is
10% or less, so at a set
distance of 40 mm, steps
with a thickness of 4 mm
can be detected on objects.
ON (incident)
Distance
threshold
OFF (interrupted) Conveyor (background)
ON (interrupted)
OFF
(incident)
Distance threshold
ON (interrupted)
Glossy, uneven objects are
reliably detected because
the OFF (incident) status
occurs only when the
conveyor is detected, and
ON (interrupted) status
occurs only when an object
exists or when reflected light
is not returned to the
Sensor. (Depending on the
shape of the object, an OFF-
delay timer may be
required.)
Conveyor
(background)
Light level
threshold (fixed)
(for Light-ON setting)
(for Dark-ON setting)

3
E3Z-LSE3Z-LS
Specifications
■Ratings/Characteristics
Sensing method Distance-settable
Item NPN output E3Z-LS61 E3Z-LS66
PNP output E3Z-LS81 E3Z-LS86
Sensing distance BGS White or black paper (100 x 100 mm): 20 mm to set distance
FGS White paper (100 x 100 mm): Set distance to 200 mm min.
Black paper (100 x 100 mm): Set distance to 160 mm min.
Setting range White paper (100 x 100 mm):40 to 200 mm
Black paper (100 x 100 mm): 40 to 160 mm
Hysteresis 10% of set distance max. (Refer to Hysteresis vs. Sensing Distance on page 4.)
Reflectivity characteristic (black/
white error) 10% of set distance max.
Light source (wavelength) Red LED (680 nm)
Power supply voltage 12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption 30 mA max.
Control output Load power supply voltage 26.4 VDC max., load current 100 mA max. (residual voltage 1 V max.)
Open collector output (NPN or PNP depending on model)
Light-ON/Dark-ON switch selectable
BGS/FGS selection BGS: Open or connected to GND
FGS: Connected to Vcc
Protective circuits Reverse polarity protection, output short-circuit protection, mutual interference prevention
Response time Operation or reset: 1 ms max.
Distance setting 5-turn endless adjustor
Ambient illumination Incandescent lamp: 3,000 lx max.; Sunlight: 10,000 lx max.
Ambient temperature Operating: −25 to 55°C, Storage: −40 to 70°C (with no icing or condensation)
Ambient humidity Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
Insulation resistance 20 MΩmin. at 500 VDC
Dielectric strength 1,000 VAC at 50/60 Hz for 1 minute
Vibration resistance (destruction) 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance (destruction) 500 m/s2for 3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP67
Connection method Pre-wired (standard length: 2 m/0.5 m) M8 connector
Indicators Operation indicator (orange), stability indicator (green)
Weight (Packed state) Pre-wired Sensors, 2 m: Approx. 65 g Approx. 20 g
Material Case PBT (polybutylene terephthalate)
Lens Denaturated polyallylate
Accessories Instruction sheet (Mounting Brackets must be purchased separately.)

4
E3Z-LSE3Z-LS
Engineering Data
8
6
4
2
0
−2
−4
−6
−8
50 100 150 200 250
X
Y
Set distance: 40 mm, 200 mm
Sensing object: White paper,
100 x 100 mm
200-mm setting
40-mm setting
Distance X (mm)
20
18
16
14
12
10
8
6
4
2
030025020015010050
−40 −30 −20 −10 0 10 20 30
−θ
+θ
20
15
10
5
0
−5
−10
−15
−20 40
Set distance: 40 mm, 200 mm
Sensing object: White paper,
100 mm x 100 mm
200-mm set distance
40-mm set distance
Vertical
Sensing
object Center
line
Inclination
−θ
+θ
Center
line
20
15
10
5
0
−5
−10
−15
−20
−40 −30 −20 −10 0 10 20 30 40
200-mm set distance
Sensing
object
−θ
Set distance: 40 mm, 200 mm
Sensing object: White paper,
100 mm x 100 mm
40-mm set distance
Horizontal
Inclination
+θ
250
200
150
100
50
0
Set distance: 40 mm
Set distance: 200 mm
40 mm
0 mm 9 mm
199 mm 185 mm
4 mm
36 mm
800
700
600
500
400
300
200
100
300250200150100500
800
700
600
500
400
300
200
100
300250200150100500
10
9
8
7
6
5
4
3
2
1
25020015010050
0
White paper
Black paper
50
40
30
20
10
0
240
200
160
120
80
40
0
20
15
10
5
0
−5
−10
−15
−20
200 400 600 800
X
Y
40-mm set distance
200-mm set distance
Distance X (mm)
Set distance: 40 mm, 200 mm
Sensing object: White paper,
100 mm x 100 mm
Operating Range
BGS FGS Spot Diameter vs. Sensing
Distance
Inclination Characteristics
Vertical Horizontal
Black Paper
Short-distance Characteristic
Sensing Distance vs. Material
At Set Distance of 40 mm At Set Distance of 200 mm
Hysteresis vs.
Sensing Distance
FGS Mode Set Distance vs.
Sensing Range
White Paper
Operating range Y (mm)
Operating range Y (mm)
Spot diameter (mm)
Sensing distance (mm)
Sensing distance (mm)
Material
Rate of sensing distance change (%)
Inclination θ (°)
Rate of sensing distance change (%)
Inclination θ (°) White
paper White
paper Black
paper Black
paper
Sensing range (mm)
Set distance (mm)
Sensing range (mm)
Set distance (mm)
Hysteresis differential (%)
Sensing distance (mm)
Sensing distance (mm)
Material
Sensing distance (mm)
Material
White
paper Veneer Black rubber
Card
board Black paper SUS Mirror surface White
paper Veneer Black rubber
Card
board Black paper SUS Mirror surface

5
E3Z-LSE3Z-LS
Operation
Note: The VERY FAR region is supported only for FGS. The in-
cident light level threshold is fixed and cannot be set.
■NPN Output
NEAR FAR VERY FAR
Distance threshold
(set distance) Incident light level
threshold (not settable)
Only for FGS
mode
Model Output
transis-
tor sta-
tus
Timing chart Mode
selec-
tion
switch
BGS/FGS
selection
method
Output circuit
E3Z-LS61
E3Z-LS66 Light ON L side (L/ON) BGS:
Either
leave the
pink wire
(2)openor
connect it
to the blue
wire (3).
Dark ON D side
(D/ON)
Light ON L side
(L/ON) FGS:
Connect
the pink
wire (2) to
the brown
wire (1).
Dark ON D side
(D/ON)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between brown and black)
1243
4
2
1
30 V
ZD
Operation
indicator
(orange)
Stability
indicator
(green)
Main
circuit (Control
output)
Brown
Black
Pink
Blue
FGS
100 mA
max.
12 to 24 VDC
Load (relay)
BGS
Connector Pin Arrangement
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between brown and black)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
VERY FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between brown and black)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
VERY FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between brown and black)

6
E3Z-LSE3Z-LS
■PNP Output
■Connectors (Sensor I/O Connectors)
Model Output
transis-
tor sta-
tus
Timing chart Mode
selec-
tion
switch
BGS/FGS
selection
method
Output circuit
E3Z-LS81
E3Z-LS86 Light ON L side (L/ON) BGS:
Either
leave the
pink wire
(2)openor
connect it
to the blue
wire (3).
Dark ON D side
(D/ON)
Light ON L side
(L/ON) FGS:
Connect
the pink
wire (2) to
the brown
wire (1).
Dark ON D side
(D/ON)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between blue and black)
4
1243
1
2
30 V
ZD
Operation
indicator
(orange)
Stability
indicator
(green)
Main
circuit (Control
output) 100 mA max.
FGS
12 to 24 VDC
BGS
Connector Pin Arrangement
Brown
Pink
Black
Blue
Load (relay)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between blue and black)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
VERY FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between blue and black)
ON
OFF
ON
OFF
ON
OFF
NEAR FAR
VERY FAR
Operation
indicator
(orange)
Output
transistor
Load (e.g.,
relay) (Between blue and black)
2
4
1
3
1
2
3
4
XS3F-M421-402-A
XS3F-M421-405-A
XS3F-M422-402-A
XS3F-M422-405-A
Cable core wire
jacket color
Brown
White
Blue
Black
Class Wire jacket
color Connector pin No. Application
For DC Brown APower supply
(+V)
White BBGS/FGS se-
lection
Blue CPower supply
(0 V)
Black DOutput

7
E3Z-LSE3Z-LS
Nomenclature
Dimensions
Set distance adjuster
(5-turn endless
adjustment) Operation indicator
(orange)
Operation selector
Stability indicator
(green)
4.3
8
12.7
20
10.8 10.4
17
3118 4
425.4
2.1
13.5
4.
3
8
12.7
2
0
1
0
.
8
1
0
.
4
31
1
0
.
4
1
8
4
2
5
.
4
2.1
9
.
75
Pre-wired Sensors
E3Z-LS61
E3Z-LS81
Sensors with M8 Connectors
E3Z-LS66
E3Z-LS86
Two, M3
4-dia., 4-core vinyl-insulated round cable
(conductor cross-sectional area: 0.2 mm2;
insulation diameter: 1.1 mm)
Standard length: 2 m/0.5 m
Operation indicator
(orange)
Stability indicator (green)
Operation selector
2 lenses (7 dia.)
Receiver
Optical axis
Emitter
Operation indicator
(orange)
Stability indicator (green)
Operation selector
2 lenses (7 dia.)
Receiver
Optical axis
Emitter
Connector M8
Set distance adjuster Set distance adjuster
Two, M3

8
E3Z-LSE3Z-LS
Precautions
!Caution
Do not connect an AC power supply to the Sensor. If AC power
(100 VAC or more) is supplied to the Sensor, it may explode or
burn.
Be sure to abide by the following precautions for the safe opera-
tion of the Sensor.
Wiring
Power Supply Voltage and Output Load Power Supply
Voltage
Make sure that the power supply to the Sensor is within the rated
voltage range. If a voltage exceeding the rated voltage range is
supplied to the Sensor, it may explode or burn.
Load Short-circuiting
Do not short-circuit the load, otherwise the Sensor may be
damaged.
Connection without Load
Do not connect power supply to the Sensor with no load con-
nected, otherwise the internal elements may explode or burn.
Operating Environment
Do not use the Sensor in locations with explosive or flammable
gas.
■Correct Use
Design
Power Reset Time
The Sensor is ready to operate 100 ms after the Sensor is turned
ON. If the load and Sensor are connected to independent power
supplies respectively, be sure to turn ON the Sensor before sup-
plying power to the load.
Wiring
Avoiding Malfunctions
If using the Photoelectric Sensor with an inverter or servomotor,
always ground the FG (frame ground) and G (ground) terminals,
otherwise the Sensor may malfunction.
Mounting
Mounting the Sensor
• If Sensors are mounted face-to-face, make sure that the optical
axes are not in opposition to each other. Otherwise, mutual inter-
ference may result.
• Always install the Sensor carefully so that the aperture angle
range of the Sensor will not cause it to be directly exposed to in-
tensive light, such as sunlight, fluorescent light, or incandescent
light.
• Do not strike the Photoelectric Sensor with a hammer or any oth-
er tool during the installation of the Sensor, or the Sensor will
loose its water-resistive properties.
• Use M3 screws to mount the Sensor.
• When mounting the case, make sure that the tightening torque
applied to each screw does not exceed 0.54 N·m.
M8 Connector
• Always turn OFF the power supply to the Sensor before connect-
ing or disconnecting the metal connector.
• Hold the connector cover to connect or disconnect it.
• Secure the connector cover by hand. Do not use pliers, other-
wise the connector may be damaged.
• If the connector is not connected securely, it may be disconnect-
ed by vibration or the proper degree of protection of the Sensor
may not be maintained.
Mounting Directions
• Make sure that the sensing side of the Sensor is parallel with the
surface of the sensing objects. Normally, do not incline the Sen-
sor towards the sensing object.
If the sensing object has a glossy surface, however, incline the
Sensor by 5°to 10°as shown in the illustration, provided that
the Sensor is not influenced by background objects.
• If there is a mirror-like object below the Sensor, the Sensor may
not operate stably. Therefore, incline the Sensor or separate the
Sensor from the mirror-like object as shown below.
• Do not to install the Sensor in the wrong direction. Refer to the
following illustration.
Sensing side
Surface of sensing object
Glossy object
Sensing object
Mirror-like object
Sensing
object
Moving direction
Moving direction Moving direction
Sensing
object
Sensing
object

9
E3Z-LSE3Z-LS
Install the Sensor as shown in the following illustration if each
sensing object greatly differs in color or material.
Adjustments
Indicator Operation
Note: 1. If the stability indicator is lit, the detection/no detection
status is stable within the rated ambient operating tem-
perature (−25 to 55°C).
2. The VERY FAR region is supported only for FGS. The
incident light threshold is fixed and cannot be set. The
distance to the incident light threshold depends on the
color and gloss of the sensing object’s surface.
Inspection and Maintenance
Cleaning
Never use paint thinners or other organic solvents to clean the
surface of the product.
Moving direction Moving direction
Distance threshold
(settable) Incident light level threshold
(not settable)
Unstable
NEAR
Stable NEAR
BGS
Stability
(green)
Operation
(orange)
ON
OFF
Not sufficient incident
light margin Slightly insufficient
incident light
Very insufficient
incident light
Unstable FAR
Stable FAR
NEAR region VERY NEAR
region
FAR region
L/ON
D/ON
FGS
Stability
(green)
Operation
(orange)
L/ON
D/ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Stability
(green)
Operation
(orange)
Stability
(green)
Operation
(orange)
(for FGS only)

10
E3Z-LSE3Z-LS
E3Z Series Lineup
■Complete E3Z Series Lineup: Photoelectric Sensors for the 21st Century
Note: 1. The sensing distance is for when an E39-R1S Reflector is used. The minimum distance between the Reflector and Sensor is
given in parentheses.
2. For details, refer to the main Sensors catalog (X042) and individual catalogs.
Sensing
method
Item
Distance-
settable
(NEW)
Diffuse reflective Narrow-beam
diffuse reflective Retroflective Retroflective for PET bottles Through-beam Grooved type
Appearance
Model E3Z-LS E3Z-D E3Z-L E3Z-R E3Z-B E3Z-T E3Z-G
Sensing dis-
tance 20 mm to set dis- tance (BGS mode)
Set distance to
200 mm min.
(FGS mode)
5to100mm
(wide vi-
sion)
1 m 90 ±30 mm 4 m (100 mm)
(See note 1.) 500 mm (80 mm)
(See note 1.)
2 m
(500 mm)
(See note 1.)
15 m 10 m 25 mm
Light source
(wavelength) Red LED (680nm) Infrared LED (860 nm) Red LED (670 nm) Red LED (680 nm) InfraredLED (860 nm) Red LED (700 nm) Infrared LED (940 nm)
Power sup-
ply voltage 12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current con-
sumption 30 mA max. Emitter: 15 mA Receiver: 20 mA 25 mA max.
Control out-
puts Load power supply voltage 26.4 VDC max., load current 100 mA max. (residual voltage 1 V max.) Open collector output (NPN or PNP depending on model)
Light-ON/Dark-ON switch selectable
Protective
circuits Reverse polarity protection, output short-circuit protection, mutual interference prevention (Mutual interference prevention is not provided on E3Z-T.)
Response
time Operation or reset: 1 ms max.
Sensitivity
adjustment 5-turn endless ad- justor Single-turn adjustor ---
Ambient
temperature Operating: −25 to 55°C, Storage: −40 to 70°C (with no icing or condensation)
Ambient hu-
midity Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
Protective
structure IEC 60529 IP67 IEC 60529 IP64
Connection
method Pre-wired (stan- dard length: 2 m/
0.5 m) or M8 con-
nector
Pre-wired (standard
length: 2 m/0.5 m),
M8 connector, or
M12 connector relay
(0.3 m)
Pre-wired (stan-
dard length: 2 m/
0.5 m) or M8 con-
nector
Pre-wired (stan-
dard length: 2 m/
0.5 m), M8 con-
nector, or M12
connector relay
(0.3 m)
Pre-wired(standard length:
2 m/0.5 m) or M8 connector Pre-wired (standard length: 2 m/0.5 m), M8 connector,
or M12 connector relay (0.3
m, infrared type only)
Pre-wired (stan-
dard length: 2 m/
0.5 m) or M8 con-
nector relay
(0.3 m)
Datasheet
catalog num-
ber
E327-01 E308-01A E311-01 E308-01A E316-01 Infrared type: E319-01A
Red type: E308-01A E320-01

11
E3Z-LSE3Z-LS
Mounting Brackets (Same for Entire E3Z Series)
Sensor I/O Connectors (Same for Entire E3Z Series)
Appearance Model Qty Remarks Appearance Model Qty Remarks
E39-L153 1 Mounting Bracket E39-L150 1 set Sensor Adjustors
For easy mounting and
adjustment with alumi-
num frames and rails,
such as those on con-
veyors
For horizontal adjust-
ment
E39-L104 1
E39-L43 1 Horizontal
Mounting Bracket E39-L151 1 set
E39-L142 1 Horizontal Pro-
tective Cover/
Mounting Bracket
E39-L44 1 Rear-connecting
Mounting Bracket
E39-L98 1 Protective Cover/
Mounting Bracket E39-L144 1 set Compact Protective Cover/Mounting Brack-
et (for E3Z only)
Size Cable
specifications Shape Cable type Model number
M8 Standard cable Straight 2 m 4-wire XS3F-M421-402-A
5 m XS3F-M421-405-A
L-shaped 2 m XS3F-M422-402-A
5 m XS3F-M422-405-A
M12 (for -M1J) Straight 2 m 3-wire XS2F-D421-DC0-A
5 m XS2F-D421-GC0-A
L-shaped 2 m XS2F-D422-DC0-A
5 m XS2F-D422-GC0-A

12
E3Z-LSE3Z-LS
In the interest of product improvement, specifications are subject to change without notice.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
Cat. No. E327-E1-01
OMRON Corporation
Industrial Automation Company
Industrial Sensors Division
Sensing Devices & Components Division H.Q.
3-2, Narutani, Nakayama-cho, Ayabe-shi,
Kyoto, 623-0105 Japan
Tel: [phone] Fax: [phone] Printed in Japan
0302-2M (0302) (B)