RoboteQ AX2850 - Manual (Page 28)

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)