Edwards Signaling 5541M-Y6 - Manual (Page 26)

P/N 3100471 ISSUE 3 PAGE 26
Appendix A - Calculations
Battery calculation worksheet
Use this worksheet to determine the minimum amperage capacity
required for the panel's standby power source. You can obtain
operating current requirements for amplifier units from their re-
spective installation sheets. For 5532M series amplifiers, the audio
signal draw for each audio amplifier is approximately 2 mA at
470 Hz.
NOTE: Base panel includes the main controller board with no
system audio output loading and only EOL resistors.
Standby current: Master and Satellite - 230 mA
Alarm current: Master and Satellite - 215 mA
NOTE: Alarm current with no amplifier loading is less because EOL
resistor path is opened during alarm condition and closed
during supervision.
Base Millennium System Master
Panel [1]
RPU Current draw
(See Form A)
Audio Amplifier Loading
(See Form B)
Total Current
Required standby and alarm time x
Standby
Current (mA)
0
Standby time
24 or 60 hour
mAh +
Alarm
Current (mA)
0
Alarm time 5 min = 0.083
10 min = 0.167
15 min = 0.250
30 min = 0.500
mAh = mAh
/1000
Ah
x 1.2
Battery amp hour total =
+ 0.25
Minimum battery size [2] = Ah
Standby Qty x Standby Paging Qty x Paging
Product Quantity current current (mA) current current (mA)
(mA)
Form A
5542RPU 5 22
Total RPU
Current [2]
[1] See Appendix C for the maximum number of amplifiers supported by the panel.
[2] RPU power supplied by panel cannot exceed 0.55A (paging current). If more than 0.55A is required, you must reduce number of RPU
devices supplied by the panel.
x