RoboteQ AX3500 Connecting to a Separately Powered Radio, Operating the Controller in R/C mode

Models: AX3500

1 208
Download 208 pages 62.24 Kb
Page 118
Image 118
Connecting to a Separately Powered Radio

R/C Operation

Connecting to a Separately Powered Radio

This wiring option must be used when the controller is used with a RC receiver that is powered by its own separate battery. The red wire in the loop must be cut so that the 5V out from the controller does not flow to the radio, and so that the battery that is connected to the controller does not inject power into the controller. The figure below show the cable with the loop cut. Figure 79 shows the equivalent electrical diagram.

Channel 3:

Channel 2

3: Channel 1 Command Pulses

Channel 14: Channel 2 Command Pulses

6: Radio battery (-) Ground

7: Radio battery (+)

8: Channel 3 Command Pulses

8

9

Pin 1 Operating the Controller in R/C mode

Manual backgroundCut red loop 15

FIGURE 78. Wiring when receiver is powered by its own separate battery

R/C Radio Power

Radio

R/C Radio

Battery

 

 

 

14

Cut

 

7

R/C Channel 1

3

 

R/C Channel 2

4

 

R/C Channel 3

8

 

R/C Radio Ground

6

 

5-13

 

 

Controller

Power

MCU

Controller

Ground

FIGURE 79. Electrical diagram for connection to independently powered RC radio

Operating the Controller in R/C mode

In this operating mode, the AX3500 will accept commands from a Radio Control receiver used for R/C models remote controls. The speed or position information is communicated to the AX3500 by the width of a pulse from the R/C receiver: a pulse width of 1.0 millisec-

118

AX3500 Motor Controller User’s Manual

Version 1.9b. June 1, 2007

Page 118
Image 118
RoboteQ AX3500 user manual Connecting to a Separately Powered Radio, Operating the Controller in R/C mode, R/C Operation