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Installing Bus Devices
Page
35
Figure
3-2: Zone Expander board and mounting diagrams
To install the 8-zone expander
1.
Set DIP switches as follows:
Switch
Description
Switch 1-5
Defines the Zone Expander ID number.
Switch 6-7
Not Applicable
Switch 8: Tamper omit
Instead of a short between the TMP/COM
terminal block
2.
Wire the zone expander to the bus
3.
Wire the zones terminals as follows:
a.
Connect up to eight hardwired zones, using twisted-pair or 4-conductor cable
wiring.
b.
Connect each zone to the appropriate Zone (Z) terminal and its related COM
terminal. Each pair of zones shares a COM terminal. For example, Z1 and Z2
share a COM terminal, as do Z3 and Z4, and so on.
END OF LINE ZONE
(N.O CONTACT)
zone
com
ALARM
2.2
K
DETECTOR
NORMALLY OPEN ZONE
CONFIGURATION
ALARM
zone
com
DETECTOR
NORMALLY CLOSED
ZONE CONFIGURATION
ALARM
zone
com
DETECTOR
END OF LINE ZONE
(N.C CONTACT)
2.
2
K
zone
com
ALARM
DETECTOR
DOUBLE END OF LINE
ZONE CONFIGURATION
com
2.2
K
ALARM
TAMPER
zone
2.2
K
DETECTOR
4.
Supply power to auxiliary devices. Refer to Wiring Auxiliary Devices, p. 23)
Note:
The RP432EZ8 enables to define the end-of-line resistance of its zones. Selection is done
through the Quick key programming:
.
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