FCPS-24S Series Instruction Manual — P/N 51977:J2 7/11/2014 29
Controlling Four NACs With One Input and Selective Silence Applications
The control module is shown to demonstrate the use of a remotely mounted device associated with
an addressable fire alarm control panel. The module could be replaced with any circuit capable of
polarity reversal, such as an FACP NAC.
The following notes apply to Figure 5.1 on page 29.
1. When the FCPS-24S power supply is in an inactive state (control module not active), a trouble
on the power supply will result in an open circuit condition on the control module output
circuit (monitored by End-of-Line Resistor across TB4, Terminals 5 & 6). As an alternative,
the trouble contacts at TB5 of the power supply can also be used for independent trouble
monitoring.
2. The addressable relay module must be programmed as a silenceable point at the FACP to allow
selective silence of horn/strobe devices. The Normally Open contact of the relay module is
connected between TB4 Terminal 7 (IN2 +) and Terminal 9 (Aux. Power +).
3. Do not loop wires under screw terminals. Break wires to maintain proper supervision.
4. An End-of-Line Resistor must be installed between TB4, Terminals 5 & 6 for control module
wiring supervision (the ELR value is dependent on the module employed).
Figure 5.1 Controlling Four Outputs With One Input
Control Module*
Relay Module*
EOL Power
Supervision Relay
EOLR-1
(energized)
SLC
SLC
Style Z (Class A)
Style Y (Class B)
Use listed ELR
(4.7K:) to terminate
Style Y (Class B)
NAC
Note: All NACs are supervised and power-limited (Class 2)
ZNAC-4
Option Module
Output/NAC 4
Output/NAC 3
Output/NAC 2
Output/NAC 1
FCPS-24S has been set for
Selective Silence and Relay
Module has been programmed
at FACP as a silenceable point
so it can perform selective
silence when its Normally Open
contact (8 & 10) closes in
alarm, then opens when silence
is invoked at the FACP.
Note: the Relay Module can be
mounted on the power supply
inside the cabinet. This allows
power wiring to remain inside
the cabinet.
SW1 Switch Settings
1 & 2 = sync (any setting but OFF/OFF)
3 = OFF (master)
4 = OFF (no AC Fail reporting delay)
5 = ON
6 = ON
7 = OFF (charger enabled)
8 = OFF (circuit 4 NAC function)
(selective silence)
End-of-Line Resistor
supplied with Control
Module
Internal Trouble Contact
ELR not required for
Style Z (Class A) NAC
FCPS-24S
Horn/Strobes
Alarm Polarity Shown
Horn/Strobes
Alarm Polarity Shown
24fsapp7tpH.wmf
*If the SLC device does not match the one in this figure,
refer to the SLC manual wiring conversion charts for
legacy and newer versions of the modules.
T11
T10
T9
T8
T7
T6
T11
T10
T9
T8
T7
T6
T1
T2
T3
T4
T5
T1
T2
T3
T4
T5
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