Edwards Signaling 2400 Series - Manual (Page 51)

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10.1.2 Battery Calculation Worksheets
If the panel parameters exceed the values in the battery calculation tables, or if detailed battery
calculations are required, the battery calculation worksheets should be used.
1. Enter the quantity of each module installed in the "Quantity" column, next to the appropriate module
description.
2. For each quantity entry, multiply the value in the "Quantity" column by the value in the "Supervisory"
column, and enter the value in the "Total Supervisory" column.
3. For each quantity entry, multiply the value in the "Quantity" column by the value in the "Alarm" column,
and enter the value in the "Total Alarm" column.
4. Add all values in the "Total Supervisory" column and put the answer in the Total Supervisory box "A".
5. Add all values in the "Total Alarm" column and put the answer in the Total Alarm box "B".
6. Enter the required supervisory time (hours) in box "C", and the total alarm time (minutes) in the alarm
time box "D".
7. Substitute the values from boxes "A" through "D" in the battery calculation formula, and calculate the
minimum battery capacity.
Description Quantity Supervisory
(mA)
Total Supervisory
(mA)
Alarm Total
Alarm
Base Panel 1 x 55 55 100 100
2 Zone input module x 16 45
Relay Modules x 16 76
Style D IDC Converter 0 0 40
Dialer x 12 25
Annunciator Master x 10 100
Remote Trouble Unit x 10 10
Auxiliary Power (mA)
Number of Detectors
0.050
Signal Load (mA)
TOTAL (A) (B)
Battery Calculation
Supervisory Hours
(C)
Alarm Minutes (D)
attery Capacity (A.H.) =
( . A C)+ ( . B D) 111 0 033
1000
Ч Ч Ч Ч
NOTE: Battery capacity of panel can be extended to 10 AH using the 2400-BATBOX Battery Cabinet.