Hardware Installation
ACX 780/781 Installation Guide 25
Be sure that when you wire the motion detector, it is correctly set up, as
illustrated in the next figure.
Figure 11 shows the how the motion detector works if it is an ordinary
Passive Infrared (PIR) Motion Detector. The switch (normally open)
remains open while it detects no motion or tampering If the switch
detects motion, it appears closed.
Figure 11. Functioning of Passive Infrared (PIR) Motion Detector Switch
Wired to Supervisory Input
10 K
Ω
10 K
Ω
Normally Open PIR Motion Detector
Normally Open PIR Motion Detector
No Motion
Detected
Motion
Detected!!!
Access
Controller
Access
Controller
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