Multiple Cascaded & Synchronized FCPS-24S Power Supplies Applications
FCPS-24S PN 51977:C1 08/06/03 35
5.7 Multiple Cascaded & Synchronized FCPS-24S Power Supplies
In this application, multiple FCPS-24S power supplies, configured as Slave units, are cascaded
from a power supply which is connected to a master FACP NAC programmed for synchronized
output. Each power supply should be set for synchronization which matches the FACP
programming. A maximum of ten cascaded supplies can maintain synchronization using System
Sensor and Wheelock devices while a maximum of four can maintain synchronization using
Gentex (Commander II) devices.
Note: FACP supplied selective silence function output will follow panel input.
Note: The following notes apply to this illustration
1. Refer to NFPA 72, Chapter 4-4, Visible Characteristics, Public Mode.
2. Use only devices from the same manufacturer in each system.
-
+
TB4
JP3
J3
TB5
TB2
JP1
JP2
OUT4
-N
C4+
OUT3
-NAC3+
OUT2
-NAC2+
OUT1
-N
C1+
AU
-
IN2-
IN2+
OUT1-
OUT1+
IN1-
IN1+
SYNC IN -
SYNC IN +
AU
+
NO NC
U
TBL
COM
1 2 3 4 5 6 7 8 9 10
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
3
2
1
TB4
JP3
J3
TB5
TB2
JP1
JP2
OUT4
-NAC4+
OUT3
-NAC3+
OUT2
-NAC2+
OUT1
-NAC1+
AUX -
IN2-
IN2+
OUT1-
OUT1+
IN1-
IN1+
SYNC IN -
SYNC IN +
AUX +
NO NC
AUX TBL
COM
1 2 3 4 5 6 7 8 9 10
3
2
1
Standby Polarity Shown
Horn/Strobes
FCPS-24S
FCPS-24S
SW1 Switch Settings
1 & 2 = sync (any setting but OFF/OFF)
3 = ON (slave)
4 = OFF (no AC Fail reporting delay)
5 = OFF
6 = OFF
7 = OFF (charger enabled)
8 = OFF (circuit 4 NAC)
(general alarm)
SW1 Switch Settings
1 & 2 = sync (any setting
but OFF/OFF)
3 = ON (slave)
4 = OFF (no AC Fail
reporting delay)
5 = OFF
6 = OFF
7 = OFF (charger enabled)
8 = OFF (circuit 4 NAC)
Figure 5.7 Supervised Cascaded Connections
general alarm
24fsapp1.cdr
to next FCPS-24S input
(if needed)
Horn/Strobes
Internal
Trouble
Contact
4.7K Ω ELR
for FCPS-24S
Output
ELR for
FACP NAC
FACP
NAC
programmed
for Synch
NAC 1
Internal
Trouble
Contact
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