Features
Options
Precautions
Motor
Connection
example
Standard
specs.
Outline
dimensions
Parameter
list
Parameter
descriptions
Protective
functions
IPM motor
control
Compatibility
W
arranty
Te
rminal connection
diagrams
T
erminal specs.
Operation panel
Parameter unit
FR Configurator
51
When setting parameters, refer to the instruction manual (applied) and understand instructions.
When a power failure or undervoltage occurs, the inverter can be
decelerated to a stop or can be decelerated and re-accelerated to
the set frequency.
(1) Power failure stop function (
Pr.261
= “1”)
If power is restored during power failure deceleration,
deceleration to a stop is continued and the motor remains
stopped. To restart, turn OFF the start signal once, then
turn it ON again.
(2) Operation continuation at instantaneous power
failure function (
Pr.261
= “2”)
When power is restored during deceleration after a power
failure, acceleration is made again up to the set frequency.
Registering a 4-digit password can restrict parameter reading/
writing.
Level of reading/writing restriction by PU/NET mode operation
command can be selected by
Pr. 296
.
If the password has been forgotten, perform all parameter clear to unlock
the parameter restriction. In that case, other parameters are also cleared.
261
Operation at instantaneous power
failure
Pr.261 Power failure stop selection
Pr.
Number
Setting Range
Description
261
0 (initial value)
Coasts to stop.
When undervoltage or power failure
occurs, the inverter output is shut off.
1
When undervoltage or a power failure
occurs, the inverter can be decelerated
to a stop.
2
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.
267
Refer to the section about
Pr.73
268
Refer to the section about
Pr.52
269
Parameter for manufacturer setting. Do not set.
295
Refer to the section about
Pr.161
V/F
V/F
V/F
GP
MFVC
GP
MFVC
GP
MFVC
During deceleration
at occurrence of power failure
During stop
at occurrence
of power failure
STF
Y46
Time
Turn OFF STF once to make acceleration again
Power
Output frequency
Pr. 261
= 1
Y46
During deceleration at
occurrence of power failure
Reacceleration
Time
When power is restored during deceleration
at occurrence of power failure
Output
frequency
IPF
Power
Pr. 261
= 2
296, 297
Password function
Pr.296 Password lock level
Pr.297 Password lock/unlock
Pr.296
Setting
PU Mode
Operation
Command
NET Mode
Operation
Command
Description
Read
Write
Read
Write
9999
(initial
value)
No password lock
1, 101
Select restriction level
of parameter reading/
writing when a
password is
registered.
2, 102
3, 103
4, 104
5, 105
6, 106
: enabled,
: restricted
Pr.
Number
Setting
Range
Description
297
1000 to
9998
Register a 4-digit password
(0 to 5)
Displays password unlock error count.
(Reading only)
(Valid when
Pr. 296
= "101" to "106")
(9999)
(initial value)
No password lock (Reading only)
298
Refer to the section about
Pr.82
299
Refer to the section about
Pr.57
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