Brooks RFP6 - Page 34

BROOKS AUSTRALIA RFP6 Installer ISSUE 4
34
T
ABLE
1:
CALCULATING BATTERY CAPACITY
Quiescent Current I
Q
:
Panel .........................................................19 mA
With only End of Line Devices (6 off)
PFS-ICX _______ x .135 ______mA
PFS-PCX_______ x.135 ______mA
PFS-TCX_______ x.135 ______mA
TOTAL I
Q
______mA
Standby duration T1 ________ Hrs
Alarm Current IΑ
:
Panel ................................................ 60 mA
With only End of Line Devices (6 off)
PFS-ICX _______ x 10mA ______ mA
PFS-PCX_______ x10mA ______ mA
PFS-TCX_______ x10mA ______ mA
Total Ancillary Loads (Max 500mA) ______mA
_________
TOTAL I
A
_________
Alarm Duration T2 ______________ minutes.
Battery Capacity = [(Ι
Q
x T
1
) + (I
A
x T
2
)/60} x 1.2
1000
= AH