Datasheet

2009-04-22 SICK 21
W4-3
WTB4-3 N1371 N2171 N3171 P1371 P2171 P2271 P3171
Scanning distance typ. max. 4 ... 150 mm
Operating distance 15 ... 150 mm
Adjustment of operating distance Potentiometer, 5 revolutions
Light source, light type Pin-Point LED, red light, 650 nm
1)
Light spot diameter 5 x 28 mm at 50 mm distance
Supply voltage V
s
DC 10 ... 30 V
2)
Ripple < 5 V
ss
3)
Power consumption ≤ 30 mA
4)
Switching outputs NPN, Q
PNP, Q
PNP antivalent
Switching mode Light-switching
Complementary
Output current I
a
max ≤ 100 mA
Response time < 0.5 ms
5)
Switching frequency 1,000 Hz
6)
Connection type Cable, PVC, 2 m
7)
Connector, M8, 3-pin
Cable with plug, M8, 3-pin, PVC, 100 mm
7)
Connector, M8, 4-pin
VDE protection class
Circuit protection V
s
connections reverse-polarity protected /
Output Q and Q not short-circuit protected /
Interference suppression
Enclosure rating IP 66, IP 67
Ambient temperature operation –40 ° C ... +60 ° C
Ambient temperature storage –40 ° C ... +75 ° C
Weight Ca. 20 g
Housing material Bayblend, PMMA
1)
Average service life 100,000 h at
T
a
= +25 °C
2)
Limit values
3)
May not exceed or fall short of
V
s
tolerances
4)
Without load
5)
Signal transit time with resistive load
6)
With light/dark ratio 1:1
7)
Do not bend below 0 °C
30 75 150
0 (mm)
1
2
Scanning range on white, 90 % reflectance
Scanning range on black, 6 % reflectance
1
2
150
150
415
15
4
2
4
6
8
10
12
14
0
10 20 30 40 50 60
Width of object
1
Distance to object
90 %
2
6 %
adjusted scanning distance 60 mm
[mm]
2
4
6
8
10
12
14
0
20 50 100
Width of object
2
1
Distance to object
90 %
6 %
adjusted scanning distance 100 mm
[mm]
0
10
20
30
40
50
60
70
20 40 60 80 100 120
Distance
[mm]
Lightspot: line width
Ordering information
Type Order no.
WTB4-3N1371 1028125
WTB4-3N2171 1028126
WTB4-3N3171 1041717
WTB4-3P1371 1028121
WTB4-3P2171 1028123
WTB4-3P2271 1042190
WTB4-3P3171 1028122
Scanning distance and light spot width
Minimum detectable object
DB_W4_3_en_KV3_0.fm Seite 21 Freitag, 8. Mai 2009 11:05 11