SICK LE20 Instrucciones De Operación página 324

Chapter 11
Order no. for systems
System Order No.
WS/WE 12-2 1 018 046
P 160
WS/WE 12-2
1 018 047
P 460
3 2 4
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Appendix
11.5 Testable single-beam photoelectric
safety switches
Dimensional drawings and connection diagrams
in fold-out section (pages 685 ... 689):
Usable types: WS/WE 1 2 - 2
WS/WE 1 8 - 2
VS/VE
WS/WE 2 4 - 2
WS/WE 2 7 - 2
1 1 . 5 . 1 WS/WE 12-2
Legend for dimensional drawing (in fold-out section):
a = Centre of optical axis
s = LED
d = Fixing holes
f = Sensitivity adjuster (WE)
g = Alignment sight
Meaning of the LEDs
LED
Sender
green, continuously lit
green, not lit
Receiver
yellow, continuously lit
yellow, flashing
Tab. 11-4: Meaning of the LEDs, WS/WE 12-2
Sender unit included
WS 12-2 D 160
WS 12-2 D 460
1 8 - 2
Meaning
sender ready for operation
no operating voltage
light beam clear
optics dirty or system slightly maladjusted
Receiver unit included
WE 12-2 P 160
WE 12-2 P 460
Operating Instructions
Safety Evaluation Unit LE 20
8 008 685/Q913/2007-05-21