6
Functioning
ODI100H
The knob moves vertically the RIP along the marked positions on the holder. Each
position corresponds to a distance:
These distances are reached when the detector is installed at about 120cm
(height).
If the object in motion is very large (for example a car) there is possibility that the
detector can detect its presence even if it's farther than 18 m.
2-2
Operating principles
The detector works on the combined action of two PIRs sensors. The detector can
work both in AND or in OR configuration for PIRs.
The figures below refer to AND set-up of the PIRs (see table 9 - Sensor
programming, DIP switches 3 and 4 in ON position). Different configurations of
the PIRs activate alarm signal.
Table 6: Side view
PIR2
position
Distance
A
3 m
B
5 m
C
8 m
D
16 m
E
18 m
1.2m
3m
5m
8m
16m
18m
E
A
Table 7: Working examples
A
Detector
B
Protected area limit
C
The pet is detected by one of the two sensors (lower PIR).
No alarm
D
The person is detected by all sensors (upper and lower PIR).
Alarm
E
The person is detected by one of the two sensors (upper PIR).
No alarm
D
E
C
B
A
