8 AX500 Motor Controller User’s Manual Version 1.9b. June 1, 2007
Reception Watchdog 87
R/C Transmitter/Receiver Quality Considerations 88
Joystick Deadband Programming 88
Command Control Curves 89
Left/Right Tuning Adjustment 90
Joystick Calibration 90
Data Logging in R/C Mode 91
SECTION 11 Analog Control and Operation 93
Mode Description 93
Connector I/O Pin Assignment (Analog Mode) 94
Connecting to a Voltage Source 95
Connecting a Potentiometer 95
Selecting the Potentiometer Value 96
Analog Deadband Adjustment 97
Power-On Safety 98
Under Voltage Safety 98
Data Logging in Analog Mode 98
SECTION 12 Serial (RS-232) Controls and Operation 101
Use and benefits of RS232 101
Connector I/O Pin Assignment (RS232 Mode) 102
Cable configuration 103
Extending the RS232 Cable 103
Communication Settings 104
Establishing Manual Communication with a PC 104
Entering RS232 from R/C or Analog mode 105
Data Logging String in R/C or Analog mode 105
RS232 Mode if default 106
Commands Acknowledge and Error Messages 106
Character Echo 106
Command Acknowledgement 106
Command Error 106
Watchdog time-out 107
RS-232 Watchdog 107
Controller Commands and Queries 107
Set Motor Command Value 108
Set Accessory Output 108
Query Power Applied to Motors 109
Query Amps from Battery to each Motor Channel 109
Query Analog Inputs 110
Query Heatsink Temperatures 110
Query Battery Voltages 111