KEYENCE LR-ZB250AN/AP User Manual
Self-contained cmos laser sensor, Instruction manual, Safety information for lr-zb series
1
LR-ZB250AN/P_IM_E
Self-contained
CMOS Laser Sensor
LR-ZB250AN/ZB250AP
Instruction Manual
Read this manual before using the product in order to achieve maximum performance.
Keep this manual in a safe place after reading it so that it can be used at any time.
The following symbols alert you to important messages.
Be sure to read these messages carefully.
* The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in
accordance with the requirements of Laser Notice No.50.
Certification and
Identification Label
• When using this product in the
U.S. affix the Certification and
Identification Label included in
the package of this product as
shown on the right.
(Affix this label in a location that is not splashed with oils or chemicals.)
UL Certification
This product is an UL/C-UL Listed product.
• UL File No.: E301717, Category: NRKH/NRKH7, Enclosure Type 1 ( UL50 )
Be sure to consider the following specifications when using this product as a UL/CUL
Listed Product.
• Use a power supply with Class 2 output defined in NFPA70 (NEC: National Electrical
Code).
• Power supply, external input and control output circuits shall be connected to a single
Class 2 source only.
CE Marking
KEYENCE Corporation has confirmed that this product complies with the essential
requirements of the applicable EC Directive, based on the following specifications.
Be sure to consider the following specifications when using this product in a member state
of European Union.
z
EMC Directive (2004/108/EC)
• Applicable standard
EMI: 60947-5-2, Class A, EMS: 60947-5-2
These specifications do not give any guarantee that the end-product with this product
incorporated complies with the essential requirements of EMC Directive. The
manufacturer of the end-product is solely responsible for the compliance on the end-
product itself according to EMC Directive.
*1 Display reading used as a guide for the detecting distance. When the setting value is
tuned, the readout shifts. When the value exceeds “-99”, “-FF” is displayed.
*2 The display resolution is “1” in “I-DATUM mode”.
*3 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in
accordance with the requirements of Laser Notice No.50.
*4 When the response time is 10 ms
LR-ZB250AN
LR-ZB250AP
It indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
It indicates a situation which, if not avoided, could result in product
damage as well as property damage.
Safety Information for LR-ZB Series
• This product is only intended to detect object(s). Do not use this
product for the purpose to protect a human body or part of a human
body.
• This product is not intended for use as an explosion-proof product.
Do not use this product in a hazardous location and/or potentially
explosive atmosphere.
• This product uses DC power. The product may explode or burn if an
AC voltage is applied.
• Do not wire the cable along with power lines or high-tension lines,
as the sensor may malfunction or be damaged due to noise.
• When using a commercially available switching regulator, ground
the frame ground terminal and ground terminal.
• Do not disassemble this product. Laser emission from this product
is not automatically stopped when it is disassembled.
• Use with an over current protection device which is rated 30 V or
more and not more than 1 A.
Safety Precautions on Laser Product
• This product employs a semiconductor laser for the light source.
• Use of controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation
exposure.
Follow the instructions mentioned in this manual. Otherwise, injury to
the human body (eyes and skin) may result.
• Laser emission from this product is not automatically stopped
when it is disassembled. Do not disassemble this product.
• Do not stare into the beam.
Wavelength/Output
660 nm/145 μW
FDA(CDRH) Part1040.10
*
Class 1 laser product
IEC 60825-1
Class 1 laser product
Consignes de sécurité relatives au Laser
L’utilisation des commandes ou réglages ou l’exécution des
procédures autres que celles spécifiées dans les présentes exigences
peuvent être la cause d’une exposition à un rayonnement dangereux.
Precautions on Regulations and Standards
WARNING
NOTICE
WARNING
NOTICE
WARNING
Certification and
Identification Label
AVERTISSEMENT
Specifications
Type
Distance setting
Appearance
Rectangular
NPN
LR-ZB250AN
PNP
LR-ZB250AP
Detectable distance
35 to 250 mm (215 to 0)
*1
Standard detection deviation
35 to 180 mm : 9 mm
180 to 250 mm : 25 mm
Display resolution
*2
1 to 3 (1 to 3 mm)
Spot diameter
2.4 X 1.2 mm at 250 mm
Response time
1.5 ms / 10 ms / 50 ms selectable
Connection
2 m cable
Type
Red laser (660 nm)
Laser class
Class 1 laser product
(IEC60825-1, FDA (CDRH) Part1040.10
*3
)
Indicator
3-digit 7-segment display (red),
output indicator (yellow),
DATUM indicator (orange), 1 spot indicator (green)
Timer
OFF/ON delay/OFF delay/One-shot
Power voltage
10 to 30 VDC, including 10% ripple (P-P), Class 2 or LPS
Power consumption
450 mW or less (18 mA or less at 24 V, 34 mA or less at 12V)
Control output
LR-ZB250AN: NPN Open collector
LR-ZB250AP: PNP Open collector
Applied voltage 30 VDC or less,
Control current 100 mA or less,
Residual voltage 1.2 V or less at 10 mA or less,
2 V or less at 10 to 100 mA
Protection circuit
Protection against reverse power connection, output overcurrent,
output surge, reverse output connection
Output operation
Light-ON / Dark-ON selectable
External input
Short-circuit current NPN: 1 mA or less/PNP: 2 mA or less
For input time, refer to the time chart. (Instruction manual P3)
Enclosure rating
IP68 (IEC60529)/IP69K (DIN40050-9)/
4X, 6P, 13 (NEMA250)
Ambient light
*4
Incandescent lamp: 2000 lx or less
Sunlight: 4000 lx or less
Ambient temperature
-10 to +50°C (No freezing)
Storage temperature
-25 to +75°C
Ambient humidity
35 to 85%RH (No condensation)
Shock resistance
1000 m/s
2
in X, Y, Z axis directions respectively 6 times
Vibration resistance
10 to 55 Hz Double amplitude 1.5 mm in the X, Y, Z
axis directions respectively, 2 hours
Insulating resistance
20 M
Ω or more (500 VDC)
Withstand voltage
1000 VAC 50/60 Hz 1 min
Material
Case: SUS316L, Display: PES,
Lens cover: PMMA with scratch-resistant coating,
Packing/Connector ring: FKM
Weight
Approx. 110 g (Including cable)
I/O Circuit Diagram
Model
Light sour
ce
Fu
nct
ion
Spe
cific
ations
E
nvi
ronm
en
ta
l r
esi
st
anc
e
3 VDC
PLC, etc.
Sensor main circuit
Load
Ov
ercurrent
protection circuit
10 to 30 VDC
0 V
Brown
Blue
White
Black
Sensor main circuit
Load
Ov
ercurrent
protection circuit
10 to 30 VDC
0 V
Brown
Blue
White
Black
96M12305