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Parameter List
Parameter
261
Power failure stop selection
Subtracted frequency at
262
deceleration start
Subtraction starting
263
frequency
Power-failure deceleration
264
time 1
Power-failure deceleration
265
time 2
Power failure deceleration
266
time switchover frequency
UV avoidance voltage gain
294
267
Refer to Pr. 73.
268
Refer to Pr. 52.
—
269
Parameter for manufacturer setting. Do not set.
Stop-on contact/load torque
270
high-speed frequency
control selection
High-speed setting
271
maximum current
Middle-speed setting
272
minimum current
273
Current averaging range
Current averaging filter time
274
constant
126
Incre
Name
ments
1
0.01Hz
0.01Hz
0.1/
0.01s
0.1/
0.01s
0.01Hz
0.1%
1
0.1%
0.1%
0.01Hz
1
Initial
Range
Value
Coasting to stop
0
When undervoltage or power failure occurs, the
inverter output is shut off.
1
Without UV avoidance
11
With UV avoidance
0
2
Without UV avoidance
12
With UV avoidance
Normally operation can be performed with the initial
value unchanged. But adjust the frequency according
3Hz
0 to 20Hz
to the magnitude of the load specifications (moment
of inertia, torque).
When output frequency ≥ Pr. 263
Decelerate from the speed obtained from output
0 to 120Hz
frequency - Pr. 262.
When output frequency < Pr. 263
60Hz
Decelerate from output frequency
Decelerate from the speed obtained from output
9999
frequency - Pr. 262.
0 to 3600/
Set a deceleration slope down to the frequency set in
5s
360s
Pr. 266.
0 to 3600/
Set a deceleration slope below the frequency set in
360s
Pr. 266.
9999
9999
Same slope as in Pr. 264
Set the frequency at which the deceleration slope is
60Hz
0 to 400Hz
switched from the Pr. 264 setting to the Pr. 265 setting.
Adjust response level at UV avoidance operation. A
100%
0 to 200%
larger setting will improve responsiveness to the bus
voltage change.
Without stop-on contact control and load torque high-
0
speed frequency control
1
Stop-on contact control
0
2
Load torque high speed frequency control
Stop-on contact + load torque high speed frequency
3
control
50%
0 to 220%
Set the upper and lower limits of the current at high
and middle speeds.
100%
0 to 220%
Average current during acceleration from (Pr. 273
0 to 400Hz
2)Hz to (Pr. 273 )Hz can be achieved.
9999
Average current during acceleration from (Pr. 5
9999
2)Hz to (Pr. 5 )Hz is achieved.
Set the time constant of the primary delay filter
relative to the output current.
(The time constant [ms] is 0.75
16
1 to 4000
initial value is 12ms.)
A larger setting provides higher stability but poorer
response.
Description
When undervoltage or a
power failure occurs, the
inverter can be
decelerated to a stop.
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.
×
×
Pr. 274 and the
×
1/
1/
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