May 22, 2023
EZ-SCREEN SLS Safety Light Curtain Instruction Manual
30
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at a sharper angle, an object in the light screen may deflect beam(s) to the receiver, preventing the object from being detect-
ed, also know as false proxing. Angles greater than 120° result in difficult alignment and possible optical short circuits.
WARNING:
Retroreflective Mode Installation
Failure to follow these instructions may create unreliable sensing and may result in serious injury
or death.
Do not install emitters and receivers in retroreflective mode with less than a 45° angle of inci-
dence. Install emitters and receivers at an appropriate angle.
A
Emitter
Receiver
Mirror
Emitter
Receiver
Mirror
Whenever two or more
EZ-SCREEN SLS
emitter and receiver pairs are adjacent to one another, optical crosstalk may take
place between the systems. To minimize optical crosstalk, alternate the positions of the emitters and receivers or alternate
Scan Codes.
When three or more systems are installed in the same plane (as shown), optical crosstalk may occur between sensor pairs
whose emitter and receiver lenses are oriented in the same direction. In this situation, eliminate optical crosstalk by mounting
these sensor pairs exactly in line with each other within one plane or by adding a mechanical barrier between the pairs.
To further aid in avoiding crosstalk, the sensors feature two selectable scan codes. A receiver set to one scan code will not
respond to an emitter set to another code.
Using
EZ-SCREEN SLS
sensors in a retroreflective mode
Figure 8.
Installation of Multiple Systems
5.2.8
© Banner Engineering Corp.
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