Datasheet
2009-04-21 SICK 7
W8
Technical specifications
WTB8L- N1131 N2131 N2231 P1131 P2131 P2231
Scanning distance typ. max.
30 ... 300 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. 1.5 mm at 300 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)
Connection type
Cable, PVC, 2 m
6)
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
30 200
30 300
30 300
2
3
0 (mm) 50 100 150 200 250 300
1
1
2
3
Scanning distance on black, 6 % remission
Scanning distance on grey, 18 % remission
Scanning distance on white, 90 % remission
(mm) 100 200 400 500300
15
20
25
30
10
0
5
% of scanning distance
1
2
3
WTB8L long range
90%/90%
6%/90%
18%/90%
Order information
Type Order no.
WTB8L-N1131 6033216
WTB8L-N2131 6033218
WTB8L-N2231 6033220
WTB8L-P1131 6033217
WTB8L-P2131 6033219
WTB8L-P2231 6033221
Test input sender off
TE to 0 V
TE to V+
Adjustable range for BGS 40 ... 300 mm
DB_W8_en.fm Seite 7 Montag, 18. Mai 2009 11:49 11