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AX500 Motor Controller User’s Manual 23
Technical features
• User defined purpose (RS232 mode only)
• One Switch input configurable as
• Emergency stop command
• Reversing commands when running vehicle inverted
• General purpose digital input
• One general purpose 12V, 100mA output for accessories
• Up to 2 general purpose digital inputs
Internal Sensors
• Voltage sensor for monitoring the main 12 to 24V battery system operation
• Voltage monitoring of internal 12V
• Temperature sensors on the heat sink of each power output stage
• Sensor information readable via RS232 port
Low Power Consumption
• Optional backup power input for powering safely the controller if the motor batteries
are discharged
• Max 100mA idle current consumption
• No power consumed by output stage when motors are stopped
• Regulated 5V output for powering R/C radio. Eliminates the need for separate R/C
battery
High Efficiency Motor Power Outputs
• Two independent power output stages
• Optional Single Channel operation at double the current
• Dual H bridge for full forward/reverse operation
• Ultra-efficient 100mOhm ON resistance (RDSon) MOSFET transistors
• 12 to 24V operation
• Terminal strip up to AWG14 wire
• Temperature-based Automatic Current Limitation
• 15A up to 30 seconds
• 10A up to 1 minute
• 8A continuous
• High current operation may be extended with forced cooling
• 60A peak Amps per channel
• 16kHz Pulse Width Modulation (PWM) output
• Auxiliary output for brake, clutch or armature excitation
Advanced Safety Features
• Safe power on mode
• Automatic Power stage off in case of electrically or software induced program fail-
ure
• Overvoltage and Undervoltage protection
• Regeneration current limiting