14
6.4.1 Optical alignment
T
R T
R
T
R
T
T
T = transmitter; R = receiver
The indication LEDs of the receiver help to correctly align the photoelectric safety
sensors�
Description
Receiver
2-colour LED
2-colour LED
red
green
yellow
blue
Receiver does not detect any light beams
Receiver detects some light beams
Receiver detects all light beams with a weak
signal
Receiver detects all light beams
►
Align the transmitter so that the green LED of the receiver lights�
►
Fix the transmitter and the receiver�
