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AX2550 Motor Controller User’s Manual 113
Powering the Radio from the controller
Important Warning
Do not connect a battery to the radio when in this mode. The battery voltage will
flow directly into the controller and cause permanent damage if its voltage is higher
than 5.5V.
This mode of operation is the most convenient and is the one wired in the R/C cable deliv-
ered with the controller.
8
9
15
Pin 1
Channel 1
Wire loop bringing power from
controller to RC radio
Channel 2
3: Channel 1 Command Pulses
4: Channel 2 Command Pulses
6: Radio battery (-) Ground
7: Radio battery (+)
8: Channel 3 Command Pulses
Channel 3
FIGURE 73. Wiring for powering R/C radio from controller
Controller
Power
R/C Radio Power
R/C Radio
R/C Channel 1
R/C Channel 2
R/C Radio Ground
Controller
Ground
R/C Channel 3
14
3
7
8
6
5-13
4
MCU
FIGURE 74. R/C Radio powered by controller electrical diagram