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Table 2-1. Open Loop Vector Startup Procedure - Continued
DESCRIPTION
Test run the drive from the
Digital Operator.
Determine the motor "no
load current."
KEY SEQUENCE
WARNING: The next key press will cause
the motor to turn! Take appropriate safety
precautions!
RUN
Press the
key then slowly turn the
Digital Operator Pot to the right about 1/4 of a
turn. The display on the drive will show the
actual motor amps.
Operation checkpoints:
•
Motor rotates smoothly
•
Motor rotates in correct direction. (If motor
does not rotate in the proper direction,
stop the motor and remove power from the
Drive. Switch motor connections T1 (U)
and T2 (V) at the Drive.)
•
Motor has no abnormal vibration or noise.
•
Acceleration and deceleration are smooth.
•
Unit is not overloaded. (Displayed current
does not exceed drive rated current).
With the drive still running, turn the Digital
Operator Pot all the way to the right (full
speed) and record the current on the display.
Actual Value: ________________________
STOP
RESET
Press the
button to stop the drive.
2-4
DIGITAL OPERATOR
DISPLAY
IOUT
(1)
IOUT
(1)
IOUT
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