34
Contrinex Industrial Electronics
The following diagram shall be used to determine the appropriate dis-
tance.
INSTALLATION OF MULTIPLE SYSTEMS
Each receiver must only and exclusively receive beams from its match-
ing sender. Installing several pairs of AOPDs close to each other may
lead to optical crosstalk and result in failing to identify objects within the
protective field (Fig. 14).
DIAGRAM 4: MINIMUM DISTANCE BETWEEN BEAMS AND REFLECTIVE SURFACE (A) IS
DEPENDANT ON OPERATING DISTANCE (D)
FIG. 13: DISTANCE BETWEEN REFLECTIVE SURFACE AND PROTECTIVE FIELD IS RESPECTED:
NO UNDESIRED REFLECTIONS
Operating distance (d)
Aperture angle
≤
2,5
°
Minimum distance (a)
Reflective surface
Emitter
Receiver
FIG. 14: INTERFERENCE BETWEEN TWO PAIRS OF PROTECTIVE DEVICES
Emitter
Emitter
Receiver
Receiver
