Datasheet

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Diffuse mode sensor VT18-8-400-M/40a/118/128
2
Release date: 2018-07-27 11:39 Date of issue: 2018-07-27 801132_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 LED
Light type modulated visible red light 660 nm
Diameter of the light spot approx. 4 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
Ripple 10 %
No-load supply current I
0
< 30 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 ... 70 °C (-13 ... 158 °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
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
Curves/Diagrams
Distance X [mm]
Offset Y [mm]
Characteristic response curve
0 10050 200150 300250 350 400 450
-15
-10
-5
0
5
10
15
x
y
VT18-8-400