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AX1500 Motor Controller Overview
26 AX1500 Motor Controller User’s Manual Version 1.9b. June 1, 2007
• 20A extended
• High current operation may be extended with forced cooling
• 125A peak Amps per channel
• 16kHz Pulse Width Modulation (PWM) output
• Auxiliary output for brake, clutch or armature excitation
• Heat sink on PCB
Advanced Safety Features
• Safe power on mode
• Optical isolation on R/C control inputs
• Automatic Power stage off in case of electrically or software induced program fail-
ure
• Overvoltage and Undervoltage protection
• Regeneration current limiting
• Watchdog for automatic motor shutdown in case of command loss (R/C and RS232
modes)
• Diagnostic LED
• Programmable motor acceleration
• Built-in controller overheat sensor
• Emergency Stop input signal and button
Data Logging Capabilities
• 13 internal parameters, including battery voltage, captured R/C command, tempera-
ture and Amps accessible via RS232 port
• Data may be logged in a PC, PDA or microcomputer
Compact Open Frame PCB Design
• Surface mount PCB design
• Efficient heat sinking. Operates without a fan in most applications.
• 4.20” (106.7mm) long x 4.20” (106.7mm) wide
• -20o to +85o C heatsink operating environment
• 4.0oz(120g)