31
DRIVE THE MOTOR
3
Step of operation
3 DRIVE THE MOTOR
3.1 Step of operation
The inverter needs frequency command and start command.
Frequency command (set frequency) determines the rotation speed of the motor. Turning ON the start command starts the
motor to rotate.
Refer to the flow chart below to make setting.
Note
Check the following items before powering ON the inverter.
Check that the inverter is installed correctly in a correct place. (Refer to page 7)
Check that wiring is correct. (Refer to page 9)
Check that no load is connected to the motor.
Step of operation
Start command with
on the operation panel (PU)
Installation/mounting
Wiring of the power
supply and motor
Connect a switch, relay, etc. to
the control circuit terminal block
of the inverter to give a start command
(External)
Start command using the PU connector
Change frequency
with ON/OFF switches
connected to terminals
(multi-speed setting)
(External)
Perform frequency
setting by a current
output device (connection
across terminals 4-5)
(External)
Perform frequency
setting by a voltage
output device (connection
across terminals 2-5)
(External)
Change frequency
with ON/OFF switches
connected to terminals
(multi-speed setting)
(External)
Perform frequency
setting by a current
output device (connection
across terminals 4-5)
(External)
Perform frequency
setting by a voltage
output device (connection
across terminals 2-5)
(External)
How to give a
frequency
command?
How to give a
frequency
command?
How to give a
start command?
(PU)
Set from the operation
panel and the PU
(FR-PU04/FR-PU07)
ON
Frequency
Time (s)
(Hz)
Start command
Frequency command
Inverter output
frequency
(PU)
Set from the operation
panel and the PU
(FR-PU04/FR-PU07)
: Initial setting
(Refer to page 54) (Refer to page 57) (Refer to page 59) (Refer to page 60)
(Refer to page 62) (Refer to page 64)
(Refer to page 66)
(Refer to page 69)
(Refer to page 7)
(Refer to page 9)
( Refer to Chapter 4 of the Instruction
Manual (Applied))
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