Banner Q60 Background Suppression Series - Manual (Page 5)

P/N 114348
5
Cutoff
Distance
Reflective
Background
Sensing
Field
E
R2
R1
E
R2
R1
E = Emitter
R1 = Near Detector
R2 = Far Detector E = Emitter
R1 = Near Detector
R2 = Far Detector
Cutoff
Distance
Reflective
Background
Strong
Direct
Reflection
Away From
Receiver
Sensing
Field
Core of
Emitted
Beam
Core of
Emitted
Beam
Strong
Direct
Reflection
to R1
Solution Problem
Q60LAF Series Laser Adjustable-Field Sensors
Banner Engineering Corp. • Minneapolis MN, U.S.A.
www.bannerengineering.com • Tel: 763.544.3164
Figure 7. Reflective background – problem and solution
Figure 8. Object beyond cutoff distance — problem and solution
Sensing
Field
Cutoff
Distance
Sensing
Field
ON OFF DELA
Y
DELA
Y
DO SIG LO
RANGE E
R2
R1
E, R1, R2
Solution Problem