Powering the radio from the controller – RoboteQ Dual Channel Digital Motor Controller AX500 User Manual
Page 84
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