5-2
Chapter 5 The System Power Supply (SPS)
SPS Specifications
Input/Output/
Battery
Specifications
Table 5-1 summarizes the specifications for the SPS.
Note:
• The battery circuit is supervised.
• When it is necessary to activate large numbers of output devices on IDNet peripherals (such as piezo
sounders), the output voltage is increased to 35V to provide sufficient voltage at the end of line to
activate the piezo. The higher voltage state is an alarm condition for the purpose of standby battery
calculation. The 30V output is the normal condition and is used to prolong battery standby. The system
CPU will activate the boost feature when 10 LED, Piezo or other outputs are activated.
• AC power must be provided to the 4100ES from a dedicated AC branch circuit. The AC input is
supervised.
• 220/230/240 VAC SPS only: The service branch circuit breaker should be sized to handle at least 150
percent of the total required by all of the power supplies in the system. If more than a 13 A branch
circuit is required then multiple dedicated branch circuits should be used instead.
• The 4100ES is a configurable system. Each system must be evaluated for battery standby
requirements based upon the configuration. 4100ES systems can be configured with multiple sets of
batteries if necessary. A basic 4100ES system can achieve 24 hours standby with 12.7 Ah batteries.
For UL Listed systems, up to 110 Ah batteries may be used. For ULC Listed systems, up to 50 Ah
batteries may be used. Refer to the Sales Engineering battery calculation tool for assistance.
Table 5-1. Input and Output Specifications
AC Input Specifications
SPS in Standard U.S./Canada FACP or
4100-5111/5112 SPS
4 A Maximum
120 VAC @ 60 Hz, nominal
SPS in Standard International FACP or
4100-5113 SPS
2 A Maximum
220/230/240 VAC @ 50 or 60 Hz
DC Output Specifications
All SPSs Minimum: 19.9 VDC (Special Applications)
Maximum: 31.1 VDC
Ripple: 2 VDC p-p @ full load (9 A)
SPS IDNet Output (see note) 30 V or 35 V @ 1/2A; 36.75V maximum; 3,333 bits
per second
Battery Charger Specifications
Input Voltage Range 21-33 VDC
Output Float Voltage
27.4 VDC ±500 mV @ 20
o
C, temperature
compensated at -24mV to -36mV/×C (32
o
F to
120
o
F or 0
o
C to 49
o
C)
High Voltage Output 29.1 V @ 3.3 A
Output Current Limit 1.4 A (For 6.2 - 18 Ah battery)
3.3 A (Default; for 18-50 Ah battery- Canadian; for
18-110 Ah battery - U.S.)
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