107063-11 EN FR26 GLO 800 Printed in France
19
Figure 2-2 Angle of Divergence and Distance from Reflective Surfaces
The emitter and receiver must have the same protected height and resolution. The emitter
and receiver must be mounted at the same height and aligned with each other.
Sample Calculation
D= L/2(tan2
°
)+R+C
−
L = 1200 in. (100 ft)
−
R = 0.79 in. (SPS4)
−
C = 0
−
D = (1200/2) tan 2° + 0.79 in. + 0
−
D = 21.75 in. (552 mm)
The minimum distance required in the United States is 100 mm (3.94 in.). Additional distance
may be required depending on the installed scanning distance.
Mounting Considerations
This section contains optical alignment and mounting information (see figures 2-3 and 2-4).
There are various ways to mount FF-SPS4 Series perimeter guarding devices (singularly, in
groups, and in different orientations). The customer is responsible for determining which
mounting method will guard the machine most effectively.
Figure 2-3 Mounting Dimensions - Terminal Strip Style (for reference only)
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