590 Series DC Digital Drive Operating the Drive
4-13
Step 11: Check the STANDSTILL LOGIC parameter
If the STANDSTILL LOGIC parameter in the STANDSTILL menu at level 2 is ENABLED, temporarily set it to
DISABLED.
Caution
During the following set-up instructions, be ready to STOP the drive should the motor try to overspeed.
If 5% speed (approximately) is exceeded and the motor continues to accelerate a reversed connection is implied, decrease the MAIN CURR.LIMIT
parameter to zero. Open the main contactor and disconnect all supplies. Reverse the motor connections.
Step 12: Turn the motor and check direction of rotation
Perform the next operation with ARM VOLTS FBK selected for the SPEED FBK SELECT parameter (because it is hard-
wired and therefore the sign will be correct). Select it now.
Slowly increase the MAIN CURR.LIMIT parameter towards a maximum of 20%. At some point the motor will begin to rotate
as the parameter value is increased. The motor speed will settle at 5% of full speed. If the motor is loaded it may require more
than 20% current limit to turn the motor.
• If the motor does not turn at all when the MAIN CURR.LIMIT is increased to 20%, check the CURRENT
FEEDBACK parameter to verify that current is flowing into the armature. If no current is flowing, switch off and
check the armature connections.
¾ Is the motor connected to the drive?
¾ Verify that Calibration has been carried out correctly.
Check the direction of rotation is suitable for your process:
• If the direction of rotation is correct, then the armature and field are wired correctly.
• If direction of rotation is incorrect then open the main contactor and disconnect all supplies. Reverse either the armature or field wiring.
WARNING
Do not continue until Step 12 is completed satisfactorily.
MMI Menu Ma
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