Power
The P2 Touch Switch uses 12V DC and power is taken from the positive and negative
connections of the Reader terminal block on the P2 Controller board. The supply may
also be tapped from a nearby P2 reader.
Mounting
The touch switch may be mounted using the surface box provided or for better
aesthetic appearance use a flush back box.
Connections
The touch switch may be connected to the system in one of two ways:
Directly to the P2 controller
To a nearby proximity reader (Piggy Backed)
The piggy back option should only be used where the hacker attack is not a concern.
For security reasons never use this option with external readers.
A four core unscreened cable should be sufficient for either wiring method. Wiring
diagrams for the two methods are shown on the following pages. The cable run should
be no more than 100 metres.
LED
This input will light the top Green LED when it is connected to 0V.
BUZ
When this input is shorted to 0V the inbuilt sounder will beep.
Figure 7
9