Document #50193 Rev. E 01/30/02 P/N 50193:E
93
Battery Calculations
TABLE A-3:
Regulated Load in Alarm
@24 VDC
.
Device Type
# of
Devices
Current
(amps)
Total Current
(amps)
Main Circuit Board
1
X
0.245
=
0.245
1
1. The current shown represents one zone on the Main Circuit Board in alarm. For all ten zones in alarm,
the current draw increases to 0.590 amps with communicator off and 0.610 amps with communicator on.
LED-10IM
(1 max.)
X
0.017
=
LED-10 Annunciator
[ ]
X
0.040
2
2. The current shown represents all ten zones in alarm. One zone in alarm will draw 0.028 amps.
=
Misc. Annunciators
[ ]
X
[ ]
=
PRT-24
(1 max.)
X
0
=
0
CAC-10F
(1 max.)
X
0.020
=
NAC-REM
(1 max.)
X
0.075
=
4-wire Smoke Detector
3
3. Current limitations of terminals:
TB2, Terminals 1 and 2 = 0.500 amps, regulated filtered, 24 VDC +/-5%, 120 Hz ripple @
10 mV
RMS
, nonresettable power (100 Hz ripple if MS-5210UDE)
TB2, Terminals 3 and 4 = 0.500 amps, regulated filtered, 24 VDC +/-5%, 120 Hz ripple @
10 mV
RMS
, resettable power (100 Hz ripple if MS-5210UDE)
[ ]
X
[ ]
=
4-wire Smoke Detector
[ ]
X
[ ]
=
Power Supervision Relay
4
4. Must use compatible listed Power Supervision Relay
[ ]
X
0.025
=
Notification Appliances
5
5. Current limitation of Terminal TB4 circuits is 3.0 amps per Notification Appliance Circuit
[ ]
X
[ ]
=
Notification Appliances
6
6. Current limitations of NAC-REM module circuits is 1.5 amps per Notification Appliance Circuit.
[ ]
x
[ ]
=
Current Draw from TB2
3
(alarm current)
=
Sum Column for Alarm Load
7
7. Total current draw listed above cannot exceed:
• 3.6 amps with standard transformer installed (only)
• 6.6 amp with both the standard and optional transformers installed
=
amps