Operation Panel; Names And Functions Of The Operation Panel - Mitsubishi Electric FR-D720-008 Instruction Manual

Operation panel

4.1 Operation panel
4.1.1

Names and functions of the operation panel

The operation panel cannot be removed from the inverter.
Operation mode indication
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 (Refer to page 174).
Unit indication
Hz: Lit to indicate frequency.
(Flickers 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 inverter dial)
Used to change the frequency setting
and parameter values.
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. (Refer to page 52)
Pressing for a while (2s) can lock
operation. (Refer to page 236)
Determination of each setting
If pressed during operation, monitor
changes as below;
Running frequency
Output current
Output voltage
50
Operating status display
Lit or flicker during inverter operation.
* On: Indicates that forward
operation is being performed.
Slow flickering (1.4s cycle):
Reverse rotation operation
Fast flickering (0.2s cycle):
When was pressed or the
start command was given, but the
operation can not be made.
When the frequency command is less
than the starting frequency.
When the MRS signal is input.
Parameter setting mode indication
Lit to indicate parameter setting mode.
Monitor indication
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) (Refer to
page 52), or change Pr. 79 setting to change
to combined mode .)
PU: PU operation mode
EXT: External operation mode
Cancels PU stop also.
Start command
The rotation direction can be selected by
setting Pr. 40.
∗
rotation