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Calculating Current Draw and Standby Battery
Device
ECS-VCM Voice Control Module
ECS-NVCM Network Voice
Control Module
ECS-SW24 Switch Expander
ECS-50W or ECS-125W Audio
Amplifier with/without ECS-CE4
ECS-INT50W Internal Amplifier
ECS-RPU Remote Paging Unit
ECS-LOC Local Operating
Console (includes RA-2000,
RVM & SW-24)
ECS-DUAL50W Dual Voice Amp
ECS-50WBU Back-Up Amplifier
Network Cards
SK-NIC Network Interface Card
SK-FML Fiber Optic Multi Mode
SK-FSL Fiber Optic Single Mode
A Total System Current
Auxiliary Devices
IPDACT-2 IP Communicator
IPDACT-2UD IP Communicator
CELL-MOD/CELL-CAB-SK
B Auxiliary Devices Current
Notification Devices
5495/5499 Power Supply
C Notification Appliances Current
D Total current ratings of all devices in system (line A + line B + C)
E Total current ratings converted to amperes (line D x .001):
F Number of standby hours
G Multiply lines E and F.
H Alarm sounding period in hours. (For example, 5 minutes = .0833 hours)
I
Multiply lines E and H.
J Add lines G and I.
**If you are using door holders, you do not need to consider door holder current for alarm/battery standby, because power is removed
RPS-1000 / RPS-1000B Manual - P/N 151153:N 08/09/2017
Table 2.6 Current Draw Worksheet for SD SLC Devices
# of Devices
Standby:
Standby/Alarm:
Standby:
Alarm:
Standby:
Alarm:
Standby:
Alarm @ 25V:
Alarm @ 70V:
Standby:
Alarm:
Standby:
Alarm:
Standby/Alarm:
Standby/Alarm:
Standby/Alarm:
Standby/Alarm:
Standby/Alarm:
Refer to devices manual for current rating.
Alarm:
Standby:
Alarm:
Standby:
Standby:
Alarm:
Alarm/Standby:
Alarm/Standby:
Alarm/Standby:
Refer to devices manual for current rating.
24 VDC
Alarm:
Alarm:
Alarm:
Alarm:
Current per Device
70 mA
59 mA
10 mA
25 mA
10 mA
10 mA
52 mA
275 mA
310 mA
70 mA
100 mA
105 mA
175 mA
10 mA
10 mA
21 mA
53 mA
79 mA
136 mA
93 mA
155 mA
98 mA
55 mA
100 mA
mA
mA
mA
One input circuit:
15 mA
Both input circuits:
30 mA
mA
mA
mA
mA
Total standby
AH
Total alarm
AH
Total ampere hours required
Before You Begin Installing
Standby
Alarm Current
Current
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
A
A
H
AH
H
AH
AH
16
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