Omron SYSDRIVE 3G3JV

4-7
5 No-load Operation
• Start the no-load motor (i.e., not connected to the mechanical system) using the Digital Operator.
Note Before operating the Digital Operator, check that the FREQ adjuster is set to MIN.
H Forward/Reverse Rotation with the Digital Operator
Key
sequence
Indicator Display
example
Explanation
Press the Mode Key to turn on the FREF indicator.
Monitors the frequency reference.
Press the RUN Key. The RUN Indicator will be lit.
Turn the FREQ adjuster clockwise slowly.
The monitored frequency reference will be displayed.
The motor will start rotating in the forward direction according
to the frequency reference.
Press the MODE Key to turn on the F/R indicator.
“For” will be displayed.
Use the Increment or Decrement Key to change the direction of
motor rotation. The direction of motor rotation selected will be
enabled when the display is changed after the Key is pressed.
• After changing the frequency reference or the rotation direction, check that there is no vibration or
abnormal sound from the motor.
• Check that no faults have occurred in the Inverter during operation.
H Stopping the Motor
• On completion of operating the motor in the no-load state in the forward or reverse direction, press the
STOP/RESET Key. The motor will stop.
6 Actual Load Operation
• After checking the operation with the motor in no-load status, connect the mechanical system and
operate with an actual load.
Note Before operating the Digital Operator, check that the FREQ adjuster is set to MIN.
H Connecting the System
• After confirming that the motor has stopped completely, connect the mechanical system.
• Be sure to tighten all the screws when fixing the motor axis in the mechanical system.
H Operation Using the Digital Operator
• In case a fault occurs during operation, make sure the Stop Key on the Digital Operator is easily acces-
sible.
• Use the Digital Operator in the same way as no-load operation.
• First set the frequency reference to a low speed of one tenth the normal operating speed.
Test Run
Chapter 4