Bosch DS7200V2-EXP - Standby Battery Calculation; Table 50: Standby Battery Calculation

DS7200V2-EXP | Installation Guide | 4. Reference Materials
EN | 128
Bosch Security Systems, Inc. | 04/12 | F01U253045-02
Below is a text keypad display of an event log. The first line describes the event and the second line
alternates between event specific information (such as area # and zone #, if applicable) and the time
and date of the event.
Sensor Mon Rst
l
Sensor Mon Rst
l
A1 S3 PL 08:29 09/09/03
4.8 Standby Battery Calculation
Use the following formula to calculate standby battery capacity for 24 h of standby power:
(Total B __ x 24 h) + (Total C __ x 0.067 h) + 10% reserve = Total battery Ah required
If the Column C total exceeds 1.2 A, then an external power supply is required.
Table 50: Standby Battery Calculation
A
AC Power On
Normal Current
B
AC Power Off
Minimum Current
C
In Alarm
Maximum Current
Model
Number
Quantity
Used
Each
Unit
1
Total
Each
Unit
Total
Each
Unit
Total
DS7240V2/
DS7220V2
85 x 1 = 85 85 x 1 = 85 120 x 1 = 120
Keypads
DS7445i/
DS7445V2
35 x Qty = 35 x Qty = 115 x Qty =
DS7447E/D
S7447V2
100 x Qty = 100 x Qty = 100 x Qty =
Accessories
DX2010
35
x Qty
=
35
x Qty
=
35
x Qty
=
DX3010 10 x Qty = 10 x Qty = 10 x Qty =
DX3020 10 x Qty = 10 x Qty = 10 x Qty =
DX4010i/
DX4010
25 x Qty = 25 x Qty = 25 x Qty =
DX4020
84/110
2
x 1
=
84/110
2
84/110
2
x 1
=
84/110
2
x 1
=
RF3227E 30 x Qty = 30 x Qty = 30 x Qty =
Sounders Connected to PO 2
D118 8 
Speaker
0 x Qty = 0 x Qty = 330 x Qty =
Ratings of other devices in system that are not shown above
x Qty = x Qty = x Qty =
x Qty = x Qty = x Qty =
x Qty = x Qty = x Qty =
x Qty = x Qty = x Qty =
x Qty = x Qty = x Qty =
x Qty = x Qty = x Qty =
Total A
=
Total B
=
Total C
=
1
Current shown in mA (1 A = 1000 mA)
2
84 mA max, 80 mA nominal 10 Base-T ; 110 mA max, 100 mA nominal 100 Base-T
Date of event
Event Specific Information
Event
Event
Destinations 1,2
Time of event