40 FCPS-24S Series Instruction Manual — P/N 51977:J2 7/11/2014
Power Supply Requirements Calculating the System Current Draw
Table 6.3 contains three columns for calculating current draws. For each column, calculate the cur-
rent and enter the total (in amperes) in the bottom row. When finished, copy the totals from Calcu-
lation Column 2 and Calculation Column 3 to Table 6.4 on page 41.
Device Type
Calculate Column 1
Primary, Non-Fire Alarm Current
(amps)
Calculate Column 2
Primary, Fire Alarm Current
(amps)
Calculation Column 3
Secondary, Non-Fire Alarm
Current
(amps)
Qty X (current draw) = Total Qty X (current draw) = Total Qty X (current draw) = Total
Main Circuit
Board
1 X [ 0.091] = 1 X [ 0.145] = 1 X [ 0.065] =
Power
Supervision Relay
[ ] X [ 0.025] = [ ] X [0.025 ] = [ ] X [ 0.025] =
NAC/Output #1
[ ] X [ ] =
NAC/Output #2 [ ] X [ ] =
NAC/Output #3 [ ] X [ ] =
NAC/Output #4 [ ] X [ ] =
Current Draw
from TB4
Terminals 9 & 10
[ ] = [ ] = [ ] =
Sum each
column for totals
Primary Non-Alarm = Primary Alarm = Secondary Alarm =
Table 6.3 System Current Draw Calculations
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