Drive The Motor; Step Of Operation - Mitsubishi Electric F700 Instruction Manual

3 DRIVE THE MOTOR

3.1 Step of operation

The inverter needs frequency command and start command. Turning the start command on
start the motor rotating and the motor speed is determined by the frequency command (set
frequency).
Refer to the flow chart below to perform setting.
Start command with
on the operation panel (PU)
How to
give a frequency
command?
Set from the
Change frequency
PU (FR-DU07/
with ON/OFF switches
FR-PU04/FR-PU07).
connected to terminals
(multi-speed setting)
(PU)
{Refer to page 34}
CAUTION
Check the following items before powering on the inverter.
· Check that the inverter is installed correctly in a correct place. (Refer to page 6)
· Check that wiring is correct. (Refer to page 7)
· Check that no load is connected to the motor.
·When protecting the motor from overheat by the inverter, set Pr.9 Electronic thermal O/L relay (Refer to
page 33)
·When the rated frequency of the motor is 60Hz, set Pr.3 Base frequency (Refer to page 53)
Step of operation
Step of operation
Installation/mounting
Wiring of the power
supply and motor
System examination
to give a start
Perform frequency
setting by a current
output device
(Connection across
terminals 4-5)
(External) (External)
{Refer to page 36} {Refer to page 40}
Set from the
PU (FR-DU07/
FR-PU04/FR-PU07).
(PU)
{Refer to page 42}
f op
{Refer to page 6}
{Refer to page 9}
Start command using the PU connector and
How
RS-485 terminal of the inverter and plug-in
option (Communication)
command?
Refer to
Connect a switch, relay, etc.
to the control circuit
terminal block of the inverter
to give a start command. (External)
Perform frequency
setting by a voltage
output device
(Connection across
terminals 2-5)
(External)
{Refer to page 38}
Perform frequency
Change of frequency
setting by a current
with ON/OFF switches
output device
connected to terminals
(Connection across
(multi-speed setting)
terminals 4-5)
(External) (External)
{Refer to page 44} {Refer to page 48}
Step of operation
Instruction Manual (applied).
How to
give a frequency
command?
Perform frequency
setting by a voltage
output device
(Connection across
terminals 2-5)
(External)
{Refer to page 46}
3
27