p/n 725.0001 REV 3.0
© 2023 TCW Technologies, LLC.
18
General Wiring Diagram
Main Aircraft Bus
Back-up Power Master
15 pin, female
Dsub connector
Back-up power output
Total combined load on all outputs = 5 amps
Batt-info to volt meter
Back-up power output
Back-up power output
20 awg
20 awg
20 awg
www.tcwtech.com
Emmaus, PA USA
IBBS-24V-3AH-CRT-V
Inpu t: 22-32 volts DC
Outpu t: 24 volts ,5 amps
INTEGRATED
Back-up Battery
SYSTEM
Back-up power output
20 awg
Main Aircraft Bus
charge/sense
pass-thru
Pin #
Function
15 pin Male Dsub on unit
12
Output
13
Output
14
Output
15
Output
9
Ground
10
Ground
11
Ground
5
PWR + in, charge, sensing
2
Batt-info
3
Low Volt Warn
6
Pwr +, pass-thru input
1
Back-up master switch
7
Pwr +, pass-thru input
8
Pwr +, pass-thru input
4
PWR + in, battery heater
Pin #
Function
+
-
Low Voltage Warning LED,
25 mA max
battery heat
