122
D
isplay of
the life of th
e invert
er p
ar
ts
255
Life alarm status
display
1
0
(0 to 15)
Displays whether the control circuit
capacitor, main circuit capacitor, cooling
fan, and each parts of the inrush current
limit circuit has reached the life alarm
output level or not. Reading only
×
×
×
256
Inrush current limit
circuit life display
1%
100%
(0 to 100%)
Displays the deterioration degree of the
inrush current limit circuit. Reading only
×
×
×
257
Control circuit
capacitor life
display
1%
100%
(0 to 100%)
Displays the deterioration degree of the
control circuit capacitor. Reading only
×
×
×
258
Main circuit
capacitor life
display
1%
100%
(0 to 100%)
Displays the deterioration degree of the
main circuit capacitor. Reading only
The value measured by
Pr. 259
is displayed.
×
×
×
259
Main circuit
capacitor life
measuring
1
0
0, 1
Setting "1" and turning the power supply off
starts the measurement of the main circuit
capacitor life.
When the
Pr.259
value is "3" after powering
on again, the measuring is completed.
Read the deterioration degree in
Pr.258
.
{
{
{
Operation at inst
ant
aneo
us pow
er failure
261
Power failure stop
selection
1
0
0
Coasting to stop
When undervoltage or power failure
occurs, the inverter output is shut off.
{
{
{
1
Without UV
avoidance
When undervoltage
or a power failure
occurs, the inverter
can be decelerated
to a stop.
11
With UV avoidance
2
Without UV
avoidance
When undervoltage
or a power failure
occurs, the inverter
can be decelerated
to a stop.
If power is restored
during a power
failure, the inverter
accelerates again.
12
With UV avoidance
262
Subtracted
frequency at
deceleration start
0.01Hz
3Hz
0 to 20Hz
Normally operation can be performed with
the initial value unchanged. But adjust the
frequency according to the magnitude of
the load specifications (moment of inertia,
torque).
{
{
{
263
Subtraction starting
frequency
0.01Hz
60Hz
0 to 120Hz
When output frequency
≥
Pr. 263
Decelerate from the speed obtained
from output frequency -
Pr. 262
.
When output frequency <
Pr. 263
Decelerate from output frequency
{
{
{
9999
Decelerate from the speed obtained from
output frequency -
Pr. 262
.
264
Power-failure
deceleration time 1
0.1/
0.01s
5s
0 to 3600/
360s
Set a deceleration slope down to the
frequency set in
Pr. 266
.
{
{
{
265
Power-failure
deceleration time 2
0.1/
0.01s
9999
0 to 3600/
360s
Set a deceleration slope below the
frequency set in
Pr. 266
.
{
{
{
9999
Same slope as in
Pr. 264
266
Power failure
deceleration time
switchover
frequency
0.01Hz
60Hz
0 to 400Hz
Set the frequency at which the
deceleration slope is switched from the
Pr.
264
setting to the
Pr. 265
setting.
{
{
{
294
UV avoidance
voltage gain
0.1%
100%
0 to 200%
Adjust response level at UV avoidance
operation. A larger setting will improve
responsiveness to the bus voltage change.
{
{
{
—
267
Refer to
Pr. 73
.
268
Refer to
Pr. 52
.
269
Parameter for manufacturer setting. Do not set.
Fu
nc
tio
n
Parameter
Name
Incre
ments
Initial
Value
Range
Description
Para
meter
copy
Param
eter
clear
All
param
eter
clear
Re
la
te
d
p
a
ra
mete
rs
{
: enabled
×
: disabled
Содержание FR-A741-11K
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