UTC Fire and Security Edwards BPS6A - Battery Calculation Worksheet

Remote Booster Power Supply Technical Reference Manual 35
Battery calculation worksheet
Supervisory (AUX1, AUX2, AUX3, AUX4)
Note: Only add auxiliary current if SW2-7 is OFF. Auxiliary output stays on
after AC power failure.
Device type Quantity Current (mA) Total/device
Total AUX current (0 if switch SW2-7 is off, maximum 6.5 A
for BPS6A and 8 A for BPS10A):
mA (A)
Number of circuits set to
AUX
35 mA (per AUX
circuit)
mA (B)
200 mA AUX
Device type Quantity Current (mA) Total/device
Total 200 mA AUX current: mA (C)
Rated base BPS supervisory current: 70 mA (D)
Total supervisory current (A + B + C + D): mA (E)
Hours of supervisory: Hrs (F)
Supervisory mAh (E x F): mAh (G)
Alarm (NAC1, NAC2, NAC3, NAC4)
Device type Quantity DC current (mA,
RMS)
Total/device
Total NAC current: mA (H)
Rated base BPS alarm current: 270 mA (J)
Total alarm current (E + H + J): mA (K)
Minutes of alarm: Min (L)
Hours of alarm (L/60): Hr (M)