Date of issue 08/13/2012
357
For detailed data and product description refer to the data sheets at
Photoelectric Sensors,
Standard Sensors,
diffuse mode sensors with background suppression
2
.1.1
Technical Data
Electrical Connection
❍
= light on,
●
= dark on
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Consider the General Notes on the Information in the Pepperl+Fuchs Product Catalogs
Pepperl+Fuchs Group
fa-info@de.pepperl-fuchs.com
USA: +1 330 486 0001
fa-info@us.pepperl-fuchs.com
Singapore: +65 6779 9091
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Copyright Pepperl+Fuchs
L
D
lc
lt
Model Number
VT18-8-H-120-M/40a/65b/118/128
Sensing range adjustment
✔
Light/dark switch
✔
Detection range
20 ... 120
mm , adjustable
Light type
modulated visible red light
Diameter of the light spot
approx. 6 mm at a distance of 120 mm
Operating voltage
10 ... 30
V DC
No-load supply current
< 35 mA
Switching type
light/dark on, switchable
Signal output
Push-pull (4 in 1) output short-circuit protected overvoltage pro-
tected
Switching current
max. 200 mA
Switching frequency
500
Hz
Ambient temperature
-25 ... 70
°C (-13 ... 158 °F)
Material
Housing
brass, nickel-plated
Optical face
plastic
Protection degree
IP67
Connection
M12 connector, 4-pin (Vario-Quick quick connect technology)
Approvals and Certificates
CCC approval
Products with a maximum operating voltage of
36
V do not
bear a CCC marking because they do not require approval.
Dimensions
Length L [mm]
78
Diameter D [mm]
18
Thread length l
t
[
mm]
41
Connector area l
c
[
mm]
13
BF 18
Mounting flange, 18 mm
OMH-VL18
Mounting Bracket with swivel nut
This and more accessories can be found in chapter 10
See pages from 974 ... for cordsets
See pages 1074 ... for mounting aids
Accessories
Background suppression sensor
cylindrical, Ø 18 mm
Background suppression
Cylindrical threaded housing
Nickel-plated brass housing
DC sensor
Discrete output
Connector version
Visible red light
Reliable detection of all surfaces,
regardless of color and texture
Minimal black/white difference
Adjustable switchpoint
Properties
Your Benefit
Option40a/118/128
+UB
1
2
3
0
V
4
Q
n.c.
VT18-8-H-120-M/40a/65b/118/128
1
3
4
2
1
BN
2
WH
3
BU
4
BK
Wire colors in accordance with EN 60947-5-2
(
brown)
(
white)
(
blue)
(
black)
