Mitsubishi Electric FR-E720-0.1K Instruction Manual page 7

Operation panel
1.2 Operation panel
1.2.1 Names and functions of the operation panel
The operation panel cannot be removed from the inverter.
Operation mode indicator
PU: Lit to indicate PU operation mode.
EXT: Lit to indicate External operation mode.
(Lit at power-ON at initial setting.)
NET: Lit to indicate Network operation
mode.
PU, EXT: Lit to indicate External/PU
combined operation mode 1, 2.
These turn OFF when command source
is not on operation panel.
Unit indicator
Hz: Lit to indicate frequency.
(Blinks when the set frequency monitor
is displayed.)
A: Lit to indicate current.
(Both "Hz" and "A" turn OFF when other
than the above is displayed.)
Monitor (4-digit LED)
Shows the frequency, parameter number,
etc.
Setting dial
(Setting dial: Mitsubishi Electric inverter
dial)
Used to change the frequency setting and
parameter settings.
Press to display the following.
 Displays the set frequency in the
monitor mode
 Present set value is displayed during
calibration
 Displays the order in the faults history
mode
Mode switchover
Used to change each setting mode.
Pressing simultaneously changes
the operation mode.
Pressing for a while (2s) can lock
operation. ( Refer to the Instruction
Manual (Applied))
Determination of each setting
If pressed during operation, monitor
changes as below:
Running frequency
Output current
Output voltage
3
Operating status indicator
Lit or blink during inverter operation.
* Lit: When the forward rotation operation
is being performed.
Slow blinking (1.4s cycle):
When the reverse operation is being
performed.
Fast blinking (0.2s cycle):
When was pressed or the
start command was given, but the
operation cannot be made.
When the frequency command is less
than the starting frequency.
When the MRS signal is input.
Parameter setting mode
Lit to indicate parameter setting mode.
Monitor indicator
Lit to indicate monitoring mode.
Stop operation
Used to stop Run command.
Fault can be reset when protective
function is activated (fault).
Operation mode switchover
Used to switch between the PU and
External operation mode.
When using the External operation mode
(operation using a separately connected
frequency setting potentiometer and start
signal), press this key to light up the EXT
indication.
(Press simultaneously (0.5s) or
change Pr. 79 setting to change to
combined mode .) (
Refer to the
Instruction Manual (Applied))
PU: PU operation mode
EXT: External operation mode
Cancels PU stop also.
Start command
The rotation direction can be selected by
setting Pr. 40.
