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R/C Operation
84 AX500 Motor Controller User’s Manual Version 1.9b. June 1, 2007
.
Powering the Radio from the controller
The 5V power and ground signals that are available on the controller’s connector may be
used to power the R/C radio. The wire loop is used to bring the controller’s power to the
the radio as well as for powering the optocoupler stage. Figure 53 below shows the con-
nector wiring necessary to do this. Figure 54 shows the equivalent electrical diagram.
3
2
1
FIGURE 52. RC connection cable
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 53. Wiring for powering R/C radio from controller