Datasheet

2009-04-21 SICK 3
W8
Technical specifications
WTB8- N1131 N2131 N2231 P1131 P2131 P2231
Scanning distance typ. max. 30 ... 300 mm
Adjustment of operating distance Potentiometer
Light source, light type LED, red light, 650 nm
1)
Light spot diameter Approx. 20 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 ≤ 0.5 ms
4)
Switching frequency 1,000 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 –25 ° C ... +55 ° 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 Ta = +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
30 250
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
90%/90%
(mm) 100 200 300
30
15
20
25
10
0
5
% of scanning distance
1
2
3
WTB8 long range
6%/90%
18%/90%
Order information
Type Order no.
WTB8-N1131 6033204
WTB8-N2131 6033206
WTB8-N2231 6033208
WTB8-P1131 6033205
WTB8-P2131 6033207
WTB8-P2231 6033209
Adjustable range for BGS 40 ... 300 mm
DB_W8_en.fm Seite 3 Montag, 18. Mai 2009 11:49 11