User's Guide
LSP3A Clear User’s Guide
It is only for internal use and shall not be spread without permission
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and the bottom right screw (to adjust the lateral positioning of the beams). They are spring loaded
to improve accuracy and keep in place the two sensors after adjustment.
Special attention must be taken for the 2 pedestals positioning:
They must be positioned facing each other’s
They must be parallel
They must be well aligned and well centered.
The orange LED must be continuously ON when powered (See Figure 4.3)
If the orange LED still blinks when perfectly aligned and centered, check that the spacing
does not exceeds the recommended values.
For correct In & Out counter operation, the pedestals must be placed according to the
library flow of patrons. See Figure 4.5 and Figure 4.6 for In & Out counting direction.
Figure 4.3: Light Barrier Orange and Green LED Lit when positioning correct
(previous model)
Before final Installation, do make sure that the Entrance flow is in line with
the in Counter Increment Direction Described in Figure 4.5 and Figure 4.6.
There is no mean to change the In & Out Counter Direction by software
afterward.
Then the 2 pedestals can be secured to the ground.
A good positioning will ensure the two red LED beams to be back scattered by the reflector as
shown below. See Figure 4.3 for LED positioning.
Figure 4.4: Light Barrier Latest assembly with 4 LED 7-segment Displays (latest model)