Legrand CS Series 360° PIR - Manual (Page 2)

DESCRIPTION
The CS Series sensor is a 24VDC Passive Infrared (PIR) occupancy sensor
which controls lighting or HVAC systems based on occupancy in a given area.
PIR sensing systems are passive systems which react to changes in infrared
energy (moving body heat) within the coverage area. PIR sensors must
directly “see” motion of an occupant to detect them, so careful consideration
must be given to sensor placement.
COVERAGE PATTERNS
The CS sensor has a multi-cell, multi-tier Fresnel lens with a field of view
of 360°. The sensor has two lens pattern options. The Extended Range Lens
will cover up to 1200 sq ft and 22 feet from the sensor when mounted at
8 feet. The High Density/Reduced Range Lens will cover up to 500 sq ft and
12 feet from the sensor when mounted at 8 feet.
Coverage shown in the diagrams below is maximum and represents
coverage for half-step, walking motion, with no barriers or obstacles.
DRAWING NOT TO SCALE
8 ft
12 ft 12 ft 3 ft 3 ft 5 ft 5 ft 7 ft 7 ft 9 ft 9 ft 0
Typical
desk-top
level
24 ft
Extended Range Lens (Standard)
CS1200
High Density/Reduced Range Lens
CS500
44 ft
8 ft
22 ft 13 ft 7 ft 3 ft 0 3 ft 7 ft 13 ft 22 ft
Typical
desk-top
level
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