RoboteQ AX2850 User Manual
Page 28
AX2550 Motor Controller Overview
28
AX2550 Motor Controller User’s Manual
Version 1.9b. June 1, 2007
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12 to 40 V operation
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High current 8 AWG cable sets for each power stages
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Temperature-based Automatic Current Limitation
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120A up to 15 seconds (per channel)
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100A up to 30 seconds
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80A extended
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High current operation may be extended with forced cooling
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250A peak Amps per channel
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16kHz Pulse Width Modulation (PWM) output
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Auxiliary output for brake, clutch or armature excitation
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Heat sink extruded case
Advanced Safety Features
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Safe power on mode
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Optical isolation on R/C control inputs
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Automatic Power stage off in case of electrically or software induced program fail-
ure
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Overvoltage and Undervoltage protection
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Regeneration current limiting
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Watchdog for automatic motor shutdown in case of command loss (R/C and RS232
modes)
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Large, bright run/failure diagnostics on 7 segment LED display
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Programmable motor acceleration
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Built-in controller overheat sensor
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Emergency Stop input signal and button
Data Logging Capabilities
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13 internal parameters, including battery voltage, captured R/C command, tempera-
ture and Amps accessible via RS232 port
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Data may be logged in a PC, PDA or microcomputer
Sturdy and Compact Mechanical Design
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Built from aluminum heat sink extrusion with mounting brackets
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Efficient heat sinking. Operates without a fan in most applications.
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7” (178mm) long (excluding mounting brackets) by 5.5” wide (140mm) by 1.8”
(40mm) high
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-20o to +85o C case operating environment
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3.3 lbs (1500g)