Cooper Security 9853 Guida di Installazione Pagina 24

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18 496791
3. Installation
The wiring resistance of the cable to the detector (including joints) should be
restricted to a maximum of 100 ohms. The recommended maximum cable
distance per zone is 200 - 300 metres.
Zone 1
Zone 2
1
2
2K2 EOL
4K7
Alarm contacts
Tamper contacts
2K2 EOL
4K7
Alarm contacts
Tamper contacts
Figure 11. FSL Connections
Yellow
Violet
Red
Gold
4k7
Red
Red
Red
Gold
2k2
Figure 12. Resistor Colour Code for FSL Resistors
EOL Connections
Each EOL zone is a two-wire closed loop that uses a single 2K2 resistor
fitted in series with the alarm contacts to differentiate between "Circuit" and
short circuit "Tamper" signals. Figure 13 shows how to connect two EOL
detectors to adjacent zones. Note that each detector is wired in series to a
common anti tamper circuit connected to terminals marked "3". You must
connect a single 2K2 resistor in series with the anti tamper circuit.
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