MITSUBISHI ELECTRIC FR-S520 - Manual (Page 108)

99
2
<Setting>
In the following table, operation using the control panel or parameter unit is
abbreviated to PU operation.
LED Indication *
RUN
PU
EXT
Pr. 79
Setting
Function
RUN PU EXT
0
At power-on, the inverter is put in the external
operation mode. The operation mode can be
changed between the PU and external operation
modes from the operation panel (
PU
EXT
key) or
parameter unit ( PU
/
EXT key). For each mode,
refer to the columns of settings 1 and 2.
Refer to
settings "1"
and "2".
Operation
mode
Running frequency
Start
signal
1
PU operation
mode Setting from operation
panel or FR-PU04
RUN key
On
(Off)
Off
Off: Stop without start
command
Forward rotation: On
Reverse rotation:
Slow flickering
2
External
operation
mode
External signal input
(across terminals
2(4)-5, multi-speed
selection, jog) External
signal input
(terminal
STF, STR)
Off On
With start
command
Without
frequency
setting
Fast
flickering
3
External/ PU
combined
operation
mode 1
Dial of operation
panel, digital setting by
parameter unit key
operation, or external
signal input (multi-
speed setting, across
terminals 4-5 (valid
when AU signal is on))
External
signal input
(terminal
STF, STR)
4
External/ PU
combined
operation
mode 2 External signal input
(across terminals
2(4)-5, multi-speed
selection, jog)
RUN key
On On
7
External operation mode (PU operation interlock)
MRS signal ON ... Able to be switched to PU
operation mode (output stop
during external operation)
MRS signal OFF .. Switching to PU operation
mode inhibited
8
Operation mode change using external signal
(disallowed during operation)
X16 signal ON ..... Switched to external
operation mode
X16 signal OFF.... Switched to PU operation mode
Refer to
settings "1"
and "2".
REMARKS
Either "3" or "4" may be set to select the PU/external combined operation. These
settings differ in starting method.
In case of the type having the RS-485 communication function, refer to page 116 for
the computer link operation mode.
*1. When the FR-PU04 is connected, the LED indication (PU, EXT) is not lit.
*2. The LED indication (PU, EXT) flickers in the computer link operation mode.
*3. Lit when the operation panel is used. Extinguished when the FR-PU04 is used.