Datasheet

Germany: +49 621 776 4411Pepperl+Fuchs Group
Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.
USA: +1 330 486 0001 Singapore: +65 6779 9091
www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com
fa-info@de.pepperl-fuchs.com
Diffuse mode sensor
VT18-8-400-M-LAS/40a/118/128
2
Release date: 2018-07-27 11:39 Date of issue: 2018-07-27 801135_eng.xml
Technical data
General specifications
Detection range 0 ... 400 mm , adjustable
Detection range min. 0 ... 25 mm
Detection range max. 0 ... 400 mm
Light source laser diode
Light type modulated visible red light
Laser nominal ratings
Note LASER LIGHT , DO NOT STARE INTO BEAM
Laser class 1
Wave length 655 nm
Beam divergence 31.5 mrad
Pulse length 4 µs
Repetition rate 11.91 kHz
max. pulse energy 4.95 nJ
Diameter of the light spot approx. 0.5 mm at a distance of 120 mm
Optical face frontal
Ambient light limit 30000 Lux
Hysteresis H < 15 %
Functional safety related parameters
MTTF
d
700 a
Mission Time (T
M
) 20 a
Diagnostic Coverage (DC) 0 %
Indicators/operating means
Operation indicator LED green, flashes in case of short-circuit
Function indicator LED yellow, lights up with receiver lit
Control elements Sensing range adjuster, light-on/dark-on changeover switch
Electrical specifications
Operating voltage U
B
10 ... 30 V DC , class 2
No-load supply current I
0
< 25 mA
Protection class II , rated voltage 50 V AC with pollution degree 1-2 according
to IEC 60664-1
Output
Switching type light/dark on, switchable
Signal output Push-pull output, short-circuit protected, reverse polarity
protected
Switching voltage 30 V DC
Switching current max. 200 mA
Switching frequency f 500 Hz
Response time 1 ms
Ambient conditions
Ambient temperature -25 ... 55 °C (-13 ... 131 °F)
Storage temperature -30 ... 70 °C (-22 ... 158 °F)
Mechanical specifications
Degree of protection IP67
Connection 4-pin, M12 x 1 connector
Material
Housing brass, nickel-plated
Optical face PMMA
Mass 60 g
Compliance with standards and
directives
Directive conformity EMC Directive 2004/108/EC
Standard conformity
Product standard EN 60947-5-2:2007
IEC 60947-5-2:2007
Laser class IEC 60825-1:2007 Complies with 21 CFR 1040.10 and 1040.11
except for deviations pursuant to Laser Notice No. 50, dated
June 24, 2007
Approvals and certificates
CE conformity yes
UL approval cULus Listed, Type 1 enclosure
CCC approval CCC approval / marking not required for products rated 36 V
Other suitable accessories can be found at
www.pepperl-fuchs.com
Accessories
OMH-VL18
Mounting Bracket with swivel nut
BF 18
Mounting flange, 18 mm
BF 18-F
Plastic mounting adapter, 18 mm
BF 5-30
Universal mounting bracket for cylindrical
sensors with a diameter of 5 ... 30 mm
V1-G-2M-PUR
Female cordset, M12, 4-pin, PUR cable
V1-W-2M-PUR
Female cordset, M12, 4-pin, PUR cable