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A
Emitter
Receiver
Mirror
45˚ < A < 120˚
Emitter
Receiver
Mirror
Figure 7. Using EZ-SCREEN LPM sensors in a retroreflective mode
5.2.4 Emitter and Receiver Orientation
The emitter and receiver must be mounted parallel to each other and aligned in a common plane, with both machine
interface cable ends pointing in the same direction. Never mount the emitter with its machine interface cable end oriented in
the opposite direction of the cable end of the receiver. If this occurs, voids in the light screen may allow objects or
personnel to pass through the defined area undetected.
The emitter and receiver may be oriented in a vertical or horizontal plane, or at any angle between horizontal and vertical, as
long as they are parallel to each other and their cable ends point in the same direction. Verify that the light screen
completely covers all access to the hazard point that is not already protected by hard (fixed) guarding or other supplemental
guarding.
WARNING:
• Properly install system components
• Incorrectly orienting the system components impairs the performance of the system and results
in incomplete guarding, which can result in serious injury or death.
• Install the system components with their corresponding cable ends pointing in the same
direction.
Receiver
Emitter
Receiver
Emitter
Receiver
Emitter
Both cable ends down
Both cable ends up
Orientation parallel to floor with both
cable ends pointing in the same
direction
Figure 8. Examples of Correct Emitter/Receiver Orientation
EZ-SCREEN Low-Profile System with Integral Muting
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