AUTOMOTIVE EDITION

LASER SOLUTIONS
 RELIABLE SOLUTIONS NOW AVAILABLE FOR THE MOST CHALLENGING
PALLETIZING ROBOTS SHEET WINDING PROCESS
Height detection feedback for robotic stacking Web guidance

Sensors are used to help palletizing robots with product stacking/placement by measuring the Interior sheets come in a variety of colors, materials, and even designs like mesh. Holes in the
distance to the floor or top of the stack. Varying colors or materials for the products being stacked mesh and the changing of the sheet's color or material cause conventional reflective sensors to
or the floor can affect conventional sensors causing incorrect readings and potentially damaging malfunction. The LR-T is not affected by any of these factors due to its innovative position based
products due to misplacement. The use of TOF (Time of Flight) Technology allows the LR-T to detection method and ability to increase its beam spot size to ignore holes.
stably detect the distance regardless of the surface finish.

ENGINE BLOCKS AND OTHER METALLIC SURFACES WELDING MACHINES

Detection of holes in engine blocks Presence/absence detection of components prior to welding

Due to the complex shape of engine blocks and other metallic components in the automotive The detection of large parts in the welding process has always been a problem since sensors
industry, it was typically necessary to use contact sensors to detect if a hole was processed needed be placed far from the target to prevent damage from weld spatter. By utilizing
correctly. With the ability to stably detect holes over long distances, the LR-T can now be used TOF (Time of Flight) technology, the LR-T can stably detect targets at greater distances than
to decrease the amount of time necessary for inspection, and also be mounted in an unobtrusive conventional sensors.
location.

DIE CASTING INJECTION MOLDING

Level Detection of melted aluminum in die casting Confirming part ejection

When using conventional level detection methods, the heat and vapor from the melted aluminum To improve the efficiency of the manufacturing cycle and prevent downtime, it is crucial to ensure
led to sensor damage and malfunctions. The ability to detect glossy metal levels from up to 5 m that the target has been successfully removed from the mold prior to the next cycle. With its ability
16.4' away, allows the LR-T to be placed far from the potentially damaging heat. The LR-T also to maintain fine detection over long distances, the LR-T works to stably detect the target from
offers an analog output for more precise level control. Also, the analog output helps you to have virtually anywhere within 5 m 16.4'.
different set points for more precise level control.

2
 APPLICATIONS IN THE AUTOMOTIVE INDUSTRY
TRANSFER PRESSES AUTOMATED SHUTTERS
Detection when the material runs out Forklift approach detection

Thrubeam type sensors needed to be mounted both above and below the press mold to detect When using conventional thrubeam type photoelectric sensors, it took time and effort to perform
material run out; however dirt and oil build up on the lenses quickly causes malfunctions. By wiring and alignment during installation. The LR-T reduces this time and effort by providing long
having both the detection capabilities of a thrubeam sensor and mouting flexibility of a reflective distance stable detection with minimal wiring and no alignment necessary.
sensor, LR-T is the best match for this application.

TAPPING MACHINES CUTTING AND ROLLING PROCESSES

Monitoring for tool breakage on tapping machines Material tension control in roll-to-roll process

Tapping machines typically have to implement additional processes to check for tool breakage, When detecting upper, middle, and lower levels of sheet material with conventional thrubeam
because conventional sensors cannot stand up to the debris and cooling liquids near the type photoelectric sensors, time consuming job such as installation, wire routing , and optical-axis
tool. The long range capabilities of the LR-T allow it to be mounted far from the hazardous alignment are necessary. The range and analog output found in the LR-T easily eliminate the need
environment, and still stably monitor for tool breakage. to use multiple sensors, and also provide better tension control.

FORGING/BILLET HEATERS (INDUCTION HEATERS) SINTERING MACHINES AND LARGE FILLING MACHINES
Detection of red-hot metal after ejection from a heater Detecting material level in a hopper

The LR-T utilizes an innovative algorithm to neglect the effects of ambient, which enables it to Dusts and mists have always been a problem for level detection when using conventional
reliably detect targets that are glowing hot. In addition, 5 m 16.4' detecting distance allows the methods. Also, gaps between the materials sometimes led to incorrect measurements of the
sensor to be positioned far from the heated target. hopper level. The combination of TOF (Time of Flight) Technology and an adjustable beam spot
permit, the LR-T to stably and reliably detect the level of the material in the hopper.

New Standard All-Purpose TOF Laser Sensor 3

 SUPERIOR DETECTION CAPABILITIES
INNOVATIVE TECHNOLOGY AND ADAPTABLE FEATURES

EASY TO USE
FLEXIBLE MOUNTING AND SIMPLIFIED SETUP

UNMATCHED VERSATILITY
UTILIZE IN ANY APPLICATION

NEW ALL-PURPOSE LASER SENSOR LR-T Series

HS2 TOF Time Of Flight TECHNOLOGY LR-TB5000/2000

Light
Intensity White target

UNSTABLE

The amount of light reflected varies

Black target with target color

Detecting distance

STABLE Time of Flight (TOF) is Not affected by target color

Light
Intensity Vertical reflection

UNSTABLE

The amount of light reflected varies

with angle
45 degree angled reflection

Detecting distance

STABLE Time of Flight (TOF) is Not affected by angle

Light
Intensity

Received light intensity fluctuated by target color, or external

light. But the LR-T’s TOF technology and newly developed
custom integrated circuit enables stable detection at long
distances.

Small signal

Detecting distance

STABLE Time of Flight (TOF) is Not affected by target color or angle

4
 ADJUSTABLE BEAM SPOT LR-TB5000

STEP DISC MECHANISM Industry first

The LR-TB5000 Series features an adjustable

beam spot to enable stable detection on a
wide variety of target types.

Mesh Powder Uneven Rounded

surface surface

ALL-IN-ONE OUTPUTS LR-TB5000

NPN PNP 0 to 10 V 4 to 20 mA
All models feature the ability to switch between NPN and
PNP outputs. The LR-TB5000 Series models also feature Same model Same Model
the option for an analog (voltage or current) output. NPN/PNP switching output Analog output

LR-TB5000/2000 LR-TB5000

FLEXIBLE MOUNTING LR-TB5000/2000

Up to 4 units can be used

without interference

Pigtail type

Adjustable
angle bracket

The L-shaped adjustable angle

brackets quickly attach the
sensor to a machine frame.

Adjustable
bracket 2.0 m 5.0 m
This free angle fitting can be
6.6’ 16.4’
used to mount the sensor to a
standard M12 shaft.

5
 UNAFFECTED BY COLOR
DATUM DETECTION
RELIABLE DETECTION OF ANY TARGET PLACED OUTSIDE THE REFERENCE PLANE
IP67 SENSOR HEAD
CAN BE USED IN EVEN HARSH ENVIRONMENTS

DIGITAL CMOS LASER SENSOR GV Series

CAN STABLY DETECT VARIOUS TARGETS SENSOR HEAD LINEUP

Standard Laser
Configuration Model*2
detection deviation class*1

Amplifier display value 2 GV-H45

250 0 0.5 mm
0.02"
20 mm 45 mm 1.77" 1 GV-H45L
0.79"

Amplifier display value 2 GV-H130

750 0 1 mm
Curved metal surfaces Targets on mirrored or polished 0.04"
backgrounds 55 mm 2.17" 130 mm 5.12" 1 GV-H130L

290 Amplifier display value 0 2 GV-H450

3 mm
0.12"
1 GV-H450L
160 mm 6.30" 450 mm 17.72"

20 mm 0.79"
(Detecting distance 200 to 2 GV-H1000
800 31.50" Amplifier display value 0
800 mm 7.87" to 31.50")
1000 mm 30 mm 1.81"
39.37" (Detecting distance 800 to 1 GV-H1000L
200 mm 7.87"
1,000 mm 31.50" to 39.37")
Dull black targets with Targets with graphics, text or *1. IEC class *2. Models ending in an "L" suffix feature a Class 1 laser.
complex shapes even high gloss

BEST-IN-CLASS DETECTION ABILITY

DURABLE & LONG LIFE
SIMPLIFIED OPERATION

ALL PURPOSE LASER PHOTOEYE LR-Z Series

DURABLE & LONG LIFE SIMPLIFIED OPERATION PRESENCE CONFIRMATION

6
 QUICK AND EASY INSTALLATION
VISIBLE LASER BEAM SIMPLIFIES SENSOR ALIGNMENT AND SETUP

POWERFUL, FOCUSED BEAM

ENABLES LONG RANGE DETECTION

SAFE OPERATION
ALL MODELS CONFORM TO CLASS 1 LASER REQUIREMENTS

DIGITAL LASER SENSOR LV-N Series

THRUBEAM RETRO-REFLECTIVE REFLECTIVE

Small: M6 Threaded Head (with slit) Standard Coaxial structure

Model: LV-S72 Model: LV-NH62 Model: LV-NH35

Built-in ø6 mm ø0.24" slit filter allows for high Achieves a small beam spot of ø1.5 mm ø0.06" over Provides effective detection through small holes or
precision detection. a 1 m 3.28' range with the capability to detect up to narrow gaps.
8 m 26.25'.

THRUBEAM REFLECTIVE REFLECTIVE

Wide area: 30 mm 1.18" beam width Adjustable beam spot Ultra-small beam spot (ø50 μm ø1.97 Mil)

Model: LV-NH300 Model: LV-NH32 Model: LV-NH37

Effective for length differentiation and detection of Up to 1.2 m 3.93' detecting distance. Freely adjust Background cancellation enables extremely minute
parts with varying positions. the size and shape of the beam spot for precision target detection.
and versatility.

7
LASER SENSOR SELECTION CHART
Series Name

Standard detectable
Type
Detecting distance
change in position
REFLECTIVE

TOF (Time of Flight) Approx.

LR-T

60 to 5000 mm 2.36" to 196.85" 30 mm 1.18"*1

REFLECTIVE

CMOS
3 mm 0.12"
LR-Z

25 to 250 mm
0.98" to 9.84" (LR-ZB100)*2
REFLECTIVE

CMOS 0.5 mm 0.02"

GV

20 to 1000 mm 0.79" to 39.37" (GV-H45)*3

REFLECTIVE

Light Intensity
—
0 to 1200 mm 0" to 47.24"
REFLECTIVE
RETRO-

Light Intensity
LV-N

—
0 to 35000 mm 0" to 1,377.95"
THRUBEAM

Light Intensity
—
0 to 2000 mm 0" to 78.74"

*1. This data is approximate, and was determined using the following conditions: Response time:100 ms,Target:White paper
*2. When using the LR-ZB250, The Detectable Change is 25 mm 0.98" (detecting distance:180 mm to 250 mm 7.09" to 9.84") and 9 mm 0.35" (detecting distance:35 mm to 180 mm 1.39" to 7.09")
*3. When using the GV-H130, The Detectable Change is 1 mm 0.04" (detecting distance: 55 mm to 130 mm 2.17" to 5.12") When using the GV-H450, The Detectable Change is 3 mm 0.12" (detecting distance: 55 mm to 450 mm 2.17" to 17.72")

COMPACT HEADS + REPEATABILITY of 5 µm 0.20 Mil

MULTI-FUNCTION AMPLIFIER
LINEARITY OF ±0.1%
A VARIETY OF HEADS
Ranging from 20 mm to 3.5 m 0.79" to 11.5' EXTREMELY EASY TO USE
SIMPLIFIED OPERATION WITH
DIRECT COMMUNICATION WITH ADVANCED FUNCTIONALITY
EXTERNAL EQUIPMENT

IL Series IG Series
CMOS MULTI-FUNCTION ANALOG LASER SENSOR MULTI-PURPOSE CCD LASER MICROMETER

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TOLL
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The information in this publication is based on KEYENCE’s internal research/evaluation at the time of release and is subject to change without notice.
Copyright (c) 2014 KEYENCE CORPORATION. All rights reserved. LRTsolutionAuto-KA-AG-US 1114-2 611925 Printed in Japan
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