Model FS24X
™
Fire and Flame Detectors
INSTALLATION GUIDE and OPERATING MANUAL
Fire Sentry Corporation
Document No. 6178-001 - Rev. Q
© Copyright 2011
All Rights Reserved
Page 13
Configuring the Detector (
continued
)
CAUTION - WARNING
When the switches SW1,
SW2, or SW3 are changed,
the Detector’s input power
must be cycled OFF, then
ON, in order for the
change(s) to be accepted.
Eight (8) position DIP Switch (
SW2
) - Figure 3-2
Use the following tables to configure the Detector:
Alarm Relay
SW2-1
Latching
ON
Non-Latching
OFF
Sensitivity Levels
SW2-2
SW2-3
Very High
(4)
ON
ON
High
(3)
ON
OFF
Medium
(2)
OFF
ON
Low
(1)
OFF
OFF
Auxiliary Relay
SW2-4
SW2-5
No Verify Time
ON
ON
5 Sec Verify Time
ON
OFF
10 Sec Verify Time
OFF
ON
20 Sec Verify Time
OFF
OFF
EOL Resistor
SW2-6
Enabled
ON
Disabled
OFF
Alarm Relay
SW2-7
Factory default settings are shown with a gray background.
Energized
ON
De-Energized
OFF
Fault Relay
SW2-8
*If the Fault Relay to set to
“De-Energizied”, the Detector will not report
any faults due to loss of input power to the Detector.
Energized
ON
De-Energized*
OFF
Analog and digital outputs are available
in addition to relay outputs. Select from
two (2) analog outputs or two (2) digital
outputs using a ten (10) position Rotary
Switch (SW3). FireBus
II
is the factory
default setting. Use Table on the right
and Figure 3-3 to configure SW3.
Position
Output Selection
0
4-20 mA Sink
1
4-20 mA Source
2
RS-485 ModBus
3
Factory Use Only
4
RS-485 FireBus
II
5
Factory Use Only
6
Factory Use Only
7
Factory Use Only
Figure 3-3 SW3
8
Factory Use Only
Ten (10) Position Rotary Switch
9
Factory Use Only