RHINO MOTION CONTROLS
RMCS-1120
Hybrid Servo Driver with Modbus RTU communication
(Max. 50Vdc and 7A per phase)
http://www.rhinomc.com
Page 12
Hybrid AC Driver [RMCS-1120]
Guide to General Problems
Problem Symptom
Possible Reasons and Solutions
Motor is not rotating
Drive is not powered up
Motor is not connected properly to the drive
Drive is in an error state, check LED status
Pulse and Direction inputs are not connected properly or are not supplying
enough current
Motor rotates in the wrong direction
Motor Phase connections may be reversed
LED is blinking
Check LED status messages in this document and check connections and voltages
accordingly
Drive might be damaged due to incorrect installation or handling
Drive is not powering up (no LED)
Check that the connectors to the drive are tightly plugged in
Check the supply voltage is adequate and in correct polarity
Drive might be damaged due to incorrect installation or handling
Erratic Motion on Motor
Power supply voltage not stable or regulated
Motor Coil damaged or not connected to the drive correctly
Current setting on the motor too high
Control signals of Pulse or Direction are not connected properly or not supplying
enough voltage and current
Control signal interference due to power supply or environmental noise
Motor stalls during accelerating
Motor load is too high
Acceleration is too high
Gain settings is too low of the Motor
Power Supply is too low for Motor or Speed
Excessive Motor or Drive Heating
Drive is damaged
Power supply voltage is too high
Not enough cooling or ventilation for motor or drive
