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 T
1
________ Hrs
Alarm Current I
Α
:
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 T
2
______________
minutes.
Battery Capacity = [(
Ι
Q
x T
1
) + (I
A
x T
2
)/60} x 1.2
1000
= AH