1 411udac power supply, 411udac power supply, In tables 6.2 – Fire-Lite 411UDAC Fire Alarm Communicator User Manual
Page 65: 3, for the foll, Rom table 6.2 ), Rom table 6.3 )
411UDAC Manual — P/N 51073:E 9/20/2013
65
411UDAC Power Supply
Battery Calculations
6.1 411UDAC Power Supply
The 411UDAC provides filtered power for operating the digital communicator, external devices
and the battery charger. The power for operating external devices is limited. Use Table 6.2
(standby or nonalarm) and Table 6.3 (alarm) to determine if external loading is within the capabili-
ties of the power supply.
Notes:
1. Refer to the Device Compatibility Document for compatible listed power supervision relays.
2. Refer to the Device Compatibility Document for 4-wire smoke detector standby current.
Notes:
1. Refer to the Device Compatibility Document for compatible listed power supervision relays.
2. Refer to the Device Compatibility Document for 4-wire smoke detector current.
3. Maximum available current for notification appliances is 1.0 amp
4. Maximum available current from resettable output is 0.200 amps
5. Total system current cannot exceed 1.6 amps
Device Type
# of Devices
Current
(amps)
Total Current
(amps)
Main Circuit Board
1
X
0.125
=
0.125
4-wire Detector Heads
[ ]
X
[ ]
=
Power Supervision Relays
X
=
Additional Current Draw from
12 VDC Resettable
[ ]
X
[ ]
=
Sum Column for Standby Load
=
amps
Table 6.2 Load in Standby
Device Type
# of Devices
Current
(amps)
Total Current
(amps)
Main Circuit Board
1
X
0.180
=
0.180
4-wire Detector Heads
[ ]
X
[ ]
=
Power Supervision Relay
[ ]
X
0.025
=
Notification Appliances
[ ]
X
[ ]
=
Additional Current Draw from
12 VDC Resettable
[ ]
X
[ ]
=
Sum Column for Alarm Load
=
amps
Table 6.3 Load in Alarm