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AX2550 Motor Controller Overview
28 AX2550 Motor Controller User’s Manual Version 1.9b. June 1, 2007
• 12 to 40 V operation
• High current 8 AWG cable sets for each power stages
• Temperature-based Automatic Current Limitation
• 120A up to 15 seconds (per channel)
• 100A up to 30 seconds
• 80A extended
• High current operation may be extended with forced cooling
• 250A peak Amps per channel
• 16kHz Pulse Width Modulation (PWM) output
• Auxiliary output for brake, clutch or armature excitation
• Heat sink extruded case
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)
• Large, bright run/failure diagnostics on 7 segment LED display
• 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
Sturdy and Compact Mechanical Design
• Built from aluminum heat sink extrusion with mounting brackets
• Efficient heat sinking. Operates without a fan in most applications.
• 7” (178mm) long (excluding mounting brackets) by 5.5” wide (140mm) by 1.8”
(40mm) high
• -20o to +85o C case operating environment
• 3.3 lbs (1500g)