Mitsubishi FREQROL FR-A024-0.1K Instruction Manual page 34

9. PRECAUTIONS ON OP6RATWG THE RARAMHERWCT
~~ ~~ ~~~~
When operating the parameter
unit,
if review ttm following precautions
-
-
the set value cannot
be
writtin or a w m g value i s witten.
. .
(1) Plscattionr for operating
the in-
verter
by
t h e parameter
unit
lnvetter Operation uslng the parameter
unit is enabled only when the [PU OP]
key is pressed or the PU operation or
combination operation mode is selected
by Pr. 79.
In the monitor mode (MONITORrode
lamp is lit), the operation
cannot be set.
(blinks)
\+
( u n s l )
In
the fdbwing
c a s e s ,
jog operation is
not possible.
(1) While the motor is running.
(blinks)
(MnkS)
To execute jog operation, stop the
motor first.
(2) If the setting for jog frequency (Pr.
15) is lower than the setting for
operation start frequency (Pr. 13).
-
(2) Precautions for monitoring
-
While operating the motor from the
parameter unit, when the start key
([FWD] or [REV) is pressed after set-
ting the operation frequency, the mode
a u t o m t i c a l t y switches to the monitor
mode.
-
(3) Precautions
for operation
-
r
In t h e fobwing
cases,
the operation
mode cannot be switched by pressing
the [PU OP] or [EXT OP] key.
(1) While the motor is running.
(4) Precautions for
the
number
of
-
r
digits
and a decimal point
(2) The external start signal (across
terminals STR or STF, and
SD)
is
ON.
(3)
The setting for operation mode
selection (Pr.
79)
is any of the fol-
lowing values.
Set value: 1 to 4, 7, 8
If
"0" is set for operation mode selection
(Pr.
79), the external operation
mode is
established if the following is attempted
-
turning
off
power supply to the inverter
and then turn it on again, or resetting.
Precautions for
the
number
of
-
digits
and a decimal polnt
The maximum number
of digits for a
value to
be
input is
4.
It a value is input
exceeding this limit, the most significant
digit is ignored. See the example below.
Display on
1 2 3 4
s
- 8
-,
the
parameter
(input) i ~ g n o r e d
(5) Precautions for setting the
operating frequency
When the operation frequency has
been set using the [A] and
p]
keys
(step setting) or directly (direct setting),
setting is allowed only in the range es-
tablished by the upper limit and lower
limit frequencies.
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