User Manual

22/68 Revision 2.1 December 2009
Figure 4: Clearance Distances around Pedestals
A: Indicates the distance (6 ft.
6in.) to a permanent librarian
position.
B: Indicates the distance (8 ft.)
from other RFID stations.
C: Indicates the recommended
distance (36 in. face panel to
face panel) between
pedestals.
D: Indicates the minimum
distance (31½ in.) between a
pedestal and large metal
object.
E: Indicates the minimum
distance (20 in.) between a
pedestal and small metal
object.
F: Indicates the minimum
distance (30 ft.) between
Master pedestals (specific
synchronization ID, see
section 5.2 “Understanding
the L-SP3 Synchronization
Process”).
4.3.3 Installing the Pedestal
Once the L-SP3 will be powered, the photoelectric sensors will emit a red light beam. To
precisely align the sensors and the reflector, an orange LED is present on the back of the
photoelectric sensor. When the orange LED is continuously on, the sensor and the reflector are
perfectly aligned.
To see these LED, one must first unscrew the Plastic Bottom Cover covering the dual cells
(see picture of 5.5.1 Resetting the Counter Display).
On the contrary when the orange LED is blinking or off, then you have to adjust the photoelectric
sensor, so that the red light beam is centered with the opposite reflector. This operation is
achieved using a white paper to clearly see where the red light beam is pointed at. When perfectly
centered, the orange LED will continuously be ON.
On figure 7 below, the two Beam Crossing Cells support is shown. To do a fine adjustment of 2
beams, use a hexagonal key to screw or unscrew the top left screw (to adjust height of beams) 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.
CAUTION: Each L-SP3 should be installed within following tolerances:
Horizontal angular alignment tolerance with reference to pedestals
alignment: 0° +/-2°
Vertical angular tolerance with reference to ground surface : 90° +/-1°
CAUTION: Each L-SP3 must be installed at least 2 meters away from
sliding doors. Metal frames do pick up & radiate stray Radio ham
electromagnetic field which can lead to false triggering. Prior to
installation a site survey is highly recommended.
C
36 in.
(91.4 cm)
A
6 ft. 6 in. (2 m)
F 30 ft. (9.1 m)
B
8 ft. (2.4 m)
31½ in. (80 cm)
20 in. (50 cm)