Datasheet

W2S-2 | SICK8016285/2014-09-04
Subject to change without notice
7
MINIATURE PHOTOELECTRIC SENSORS WTB2S-2
Detailed technical data
Features
WTB2S-2, potentiometer
Sensor principle
Photoelectric proximity sensor
Detection principle
Background suppression
Dimensions (W x H x D)
7.7 mm x 27.5 mm x 13.5 mm
Housing design (light emission)
Rectangular
Sensing range max.
1)
1 mm ... 150 mm
Sensing range
1)
18 mm ... 110 mm
Type of light
Visible red light
Light source
2)
PinPoint LED
Light spot size (distance)
Ø 3.5 mm (50 mm)
Wave length
640 nm
Adjustment
Potentiometer, 3 turns
1)
Object with 90 % reectance (referred to standard white, DIN 5033)
2)
Average service life of 100,000 h at T
A
= +25 °C.
Mechanics/electronics
WTB2S-2, potentiometer
Supply voltage
1)
10 V DC ... 30 V DC
Ripple
2)
≤ 5 V
pp
Power consumption
3)
≤ 20 mA
Output type
PNP / NPN (depending on type)
Switching mode
Light switching, dark switching, light/dark-switching
Output current I
max.
< 50 mA
Response time
4)
< 0.5 ms
Switching frequency
5)
1,000 Hz
Connection type
Cable, 2 m
6)
Cable with connector, 200 mm
6)
(depending on type)
Circuit protection
A
7)
, B
8)
, D
9)
Housing material
ABS/PC
Optics material
PMMA
Enclosure rating
IP 67
Ambient operating temperature
–25 °C ... +50 °C
Ambient storage temperature
–40 °C ... +75 °C
1)
Limit values, operation in short-circuit protected network max. 8 A.
2)
May not exceed or fall short of V
S
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