Datasheet
2009-04-21 SICK 9
W8
Technical specifications
WTB8L- N1111 N2111 N2211 P1111 P2111 P2211
Scanning distance typ. max.
5 ... 100 mm
Adjustment of operating distance Potentiometer
Light source, light type
Laser diode, laser, red light, 650 nm
1)
Laser protection class
1 (IEC 60 825-1/C.D.R.H)
Light spot diameter Approx. 1 mm at 100 mm distance
Supply voltage V
s
DC 10 ... 30 V
2)
Ripple
±
10 %
Power consumption
≤
30 mA
3)
Switching outputs
NPN: open collector: Q
PNP: open collector: Q
Signal voltage PNP HIGH / LOW V
s
- 1.8 V / approx. 0 V
Signal voltage NPN HIGH / LOW Approx. V
s
/ < 1.8 V
Switching mode Light-/dark-switching via rotary switch
Output current I
a
max 100 mA
Response time
≤
0.25 ms
4)
Switching frequency 2,000 Hz
5)
Connector, M8, 3-pin
Connector, M8, 4-pin
VDE protection class
Circuit protection
V
s
connections reverse-polarity protected /
In-/outputs short-circuit protected /
Outputs overcurrent and short-circuit
protected
Enclosure rating
IP 67
Ambient temperature operation
–10
°
C ... +50
°
C
Ambient temperature storage
–40
°
C ... +70
°
C
Weight
Ca 50 g
Ca 10 g
Housing material
ABS, PMMA
Included with delivery
Mounting bracket BEF-W100-A
1)
Average service life 100,000 h
at T
a
= +25 C
2)
Limit values, reverse-polarity protected
operation in short-circuit protected
network max. 8 A
3)
Without load
4)
Signal transit time with resistive load
5)
With light/dark ratio 1:1
6)
Do not bend below 0 °C
Scanning distance
1
2
3
Scanning distance on black, 6 % remission
Scanning distance on grey, 18 % remission
Scanning distance on white, 90 % remission
5100
5100
5100
2
3
0 (mm) 20 40 60 80 100
1
(mm) 20 40 60 80 100
3
4
5
2
0
1
% of scanning distance
1
2
3
WTB8 short range
90%/90%
6%/90%
18%/90%
Order information
Type Order no.
WTB8L-N1111 6033222
WTB8L-N2111 6033224
WTB8L-N2211 6033226
WTB8L-P1111 6033223
WTB8L-P2111 6033225
WTB8L-P2211 6033227
Connection type
Cable, PVC, 2 m
6)
Test input sender off
TE to 0 V
TE to V+
Adjustable range for BGS 20 ... 100 mm
DB_W8_en.fm Seite 9 Montag, 18. Mai 2009 11:49 11