Mitsubishi FR-A721-11K Instruction Manual page 100

Operation
9.
Turn to show the selected
frequency, "
The frequency flickers for about 5s.
10.
While the value is flickering,
press to set the frequency.
If you do not press
for about 5s and the display then returns
to (display) Hz.
At this time, return to "Step 8" and set
the frequency again.
After about 3s of flickering of the value,
the display goes back to "
11.
Start acceleration
Turn ON the start switch (STF or STR).
The frequency on the display increases
in Pr.7 Acceleration time, and "
(30.00Hz) appears.
[FWD] indicator is lit during forward rotation,
and [REV] indicator is lit during reverse rotation.
CAUTION
When both of STF and STR signals are turned
ON, the motor cannot start.
If both are turned ON while the motor is
running, the motor decelerates to a stop.
12.
To change the set frequency, perform the operation in above steps 9 and 10.
(Starting from the previously set frequency.)
13.
Deceleration
Turn OFF the start switch (STF or STR).
The frequency on the display
decreases in Pr. 8 Deceleration time,
and the motor stops rotating with
" " (0.00Hz) displayed.
REMARKS
· Pr. 178 STF terminal function selection must be set to "60" (or Pr. 179 STR terminal function selection must be set to "61").
(all are initial values)
· When Pr. 79 Operation mode selection is set to "3", multi-speed operation (refer to page 94) is also valid.
When the inverter is stopped by
displayed alternately.
1. Turn the start switch (STF or STR) OFF.
2. The display can be reset by
" (30.00Hz).
,the value flickers
" (monitor display).
constant speed
Forward
rotation Reverse
ON
"
Stop
Forward
rotation Reverse
OFF
of the operation panel (FR-DU07),
.
Start and stop using terminals (External
Display
Flickers for about 5s
Flicker ··· Frequency setting complete!!
After 3s, the monitor display appears.
rotation
rotation
and
operation)
Stop
are
Flickering
93
4