Mitsubishi Electric FR-A800, Instruction Manual

Page: 28 / 1042

Operation steps Introduction
1 - 6
1.4 Operation steps
I002342E
Fig. 1-3: Flow chart of the operation steps
Step of operation
Installation/mounting
Wiring of the power
supply and motor
Control method selection
How
to give a start
command?
Start command using the PU connector and
RS-485 terminal of the inverter and plug-in
option (Communication).
Start command with FWD/REV on
the operation panel (PU).
How to
give a frequency
command?
Connect a switch, relay, etc. to the
control circuit terminal block of the
inverter to give a start command.
(External)
How to
give a frequency
command?
Set from the PU
(PU) (External) (External)
Change frequency with
ON/OFF switches
connected to terminals
(multi-speed setting). Perform frequency
setting by a current
output device
(Connection across
terminals 4 and 5). Perform frequency
setting by a voltage
output device
(Connection across
terminals 2 and 5).
Set from the PU
(PU) (External) (External) (External)
Change of frequency
with ON/OFF switches
connected to terminals
(multi-speed setting). Perform frequency
setting by a voltage
output device
(Connection across
terminals 2 and 5). Perform frequency
setting by a current
output device
(Connection across
terminals 4 and 5).
!
"
Initial setting
Frequency command
Inverter
output
frequency
Time [s]
Start command
ON
Fr
equen
cy [H
z]
(External)