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Operating Instructions
LE 20
Type
VS/VE 18-2
Type
Order No.
Termination type: equipment plug
Scanning range SR/scanning range
max.
Supply voltage U
V
Current consumption, max.
3
Ripple, max.
)
Light sender
Aperture angle/receiving angle
Switching outputs
Signal voltage HIGH/
max. switching output
4
Signal voltage LOW
)
Output current I
A
Resp. time 5); switching sequence
6
max.
)
Enclosure rating
VDE protection class
Circuit protection
Ambient operating temperature T
Weight
1) The external voltage supply of the devices must withstand a momentary power failure lasting 20 ms (to EN 60204).
Suitable power supply units are available from SICK as accessories (Siemens series 6 EP 1).
2) Under no load
3) Must not overrange or underrange UV tolerances
4) At T
= + 25 °C and 100 mA output current
U
5) Signal transit time under resistive load
6) With light/dark ratio 1:1
8 008 685/Q913/2007-05-21
Appendix
Sender unit VS 18-2
D 5450
6 011 849
4-pin, straight
0 ... 16 m/0 ... 22 m (typical)
24 V DC –30%, +20%
2
)
35 mA
10 %
LED, visible red light, pulsed,
average service life: 100,000 hrs
(withT
= 25 °C)
U
±4° (approx.)
IP 67
III DC device
U
connections reverse polarity protected
V
Output short-circuit-protected
Noise pulse suppression
–25 ... +70 °C
U
250 g (approx.)
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Receiver unit VE 18-2
D 5550
O 4450
6 011 847
6 011 850
4-pin, angled
4-pin, straight
1
)
25 mA
PNP
U
(approx.)
V
max. 1.2 V (I
100 mA
max. 2 ms; 250 Hz
GB
Chapter 11
O 4550
6 011 848
4-pin, angled
= 100 mA)
A
3 2 9
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