Installation Instructions

PX Version 5.0 - QX/RX Version 4.51 Installation Manual – Issue F
- 19 -
Technical Specification
EOL Resistor Connections
Type 1 EOL Network (Guardall) Type 2 EOL Network The EOL resistors are fitted in
the detector as shown. This
wiring arrangement applies to
all EOL inputs in the system.
Note: The diagram shows the
default values of 8k2//8k2. The
EOL resistor value can be
programmed (Refer to the
system options for details.).
8K2
8k2
C
1
PX
Detector
Alarm
Tamper
C
1
PX
Alarm
Tamper
R2
R1
Detector
EOL Network with Fault The EOL resistors are fitted in the detector as shown. Note
that most Guardall detectors have the necessary 3 EOL
resistors fitted on board. For full information refer to the
detector manual.
A fault EOL resistor may only be used if the system is
programmed to use the standard Guardall resistor network.
8K2
8k2
C
1
Panel
Detector
Alarm
Tamper
Aux.
8k2
The resistance for each possible state is shown in the table and can be displayed using the circuit
check mode function.
Circuit State Nominal Resistance
Tamper 0k
Clear 4k1
Alarm 8k2
Aux (Fault) 12k3
Aux+Alarm
(Mask)
16k4
Tamper >20k