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3.3.3 PRACTICAL EXAMPLE
The above figure shows a scenario with two slave motion detectors, one master motion
detector, two door sensors and one lamp, which is required to be controlled
automatically, depending on the presence detection.
The involved objects for proper presence detection are:
A.
"[Ix] Presence: Slave Output", from the device where the slave detector #1 is connected to.
B.
"[Ix] Presence: Slave Output", from the device where the slave detector #2 is connected to
C. "[Ix] Presence: Slave Input", from the device where the master detector is connected to.
D. "[Ix] Presence: Trigger", from the device where the master detector is connected to.
E.
"[Ix] Presence: Trigger", from the device where the slave detector #1 is connected to.
F.
"[Ix] Presence: Trigger", from the device where the slave detector #2 is connected to.
G. "[Ix] [Switch/Sensor] Edge" (or equivalent object), from the device where the left door sensor is
connected to.
H. "[Ix] [Switch/Sensor] Edge" (or equivalent object), from the device where the right door sensor
is connected to.
I.
"[Ix] Presence State (Binary)", from the device where the master detector is connected to.
J.
The on/off control object of the dimmer that controls the lamp.
One group address (A1) is required for objects A through C, another one (A2) for
objects D through H, and another one (A3) for objects I and J.
In the above situation, the following sequence of events can be reproduced:
-
Being the room empty and therefore the presence detection in state "not-
occupied", the door on the left opens and somebody enters. The device where
the left door sensor is connected to will send the trigger signal through A2 and it
will be received by the slave detector no. 1 which afterwards will notify detection
through A1.
http://www.zennio.com
4
1
2
3
6
5
1.
Slave Detector #1.
2.
Master Detector.
3.
Slave Detector #2.
4.
Lamp.
5.
Door Sensor #1.
6.
Door Sensor #2.
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Motion Detector
32
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