Datasheet

W2S-2 | SICK8016285/2016-02-26
Subject to change without notice
21
MINIATURE PHOTOELECTRIC SENSORS WTB2S-2 Blue
Detailed technical data
Features
Sensor principle
Photoelectric proximity sensor
Detection principle
Background suppression
Dimensions (W x H x D)
7.7 mm x 21.8 mm x 13.5 mm
Housing design (light emission)
Rectangular
Sensing range max.
1)
4 mm ... 40 mm
Sensing range
1)
4 mm ... 32 mm
Background suppression typ. from
55 mm
Type of light
Visible blue light
Light source
2)
LED
Wave length
445 nm
Adjustment
None
Special feature
With blue light LED for detection of highly light-absorbing objects
1)
Object with 90 % reectance (referred to standard white, DIN 5033)
2)
Average service life: 100,000 h at T
U
= +25 °C.
Mechanics/electronics
Supply voltage
1)
10 V DC ... 30 V DC
Ripple
2)
≤ 5 V
pp
Power consumption
3)
≤ 20 mA
Output type
NPN / PNP (depending on type)
Switching mode
Light switching
Output current I
max.
< 50 mA
Response time
4)
< 0.4 ms
Switching frequency
5)
1,200 Hz
Connection type
Cable, 2 m
6)
Cable with male connector, M8, 200 mm
6)
(depending on type)
Circuit protection
A
7)
B
8)
D
9)
Housing material
ABS/PC
Optics material
Plastic, PMMA
Enclosure rating
IP 67
Ambient operating temperature
–25 °C ... +50 °C
Ambient storage temperature
–40 °C ... +75 °C
1)
Limit values.
2)
May not exceed or fall below U
v
tolerances.
3)
Without load.
4)
Signal transit time with resistive load.
5)
With light/dark ratio 1:1.
6)
Do not bend below 0 °C.
7)
A = V
S
connections reverse-polarity protected.
8)
B = output reverse-polarity protected.
9)
D = outputs overcurrent and short-circuit protected.
A
B
C
D
E
F
H
I
J
K
L
M
N
O
P
Q
R
S
T