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261
Operation at instantaneous power
failure
GP
GP
GP
V/F
V/F
V/F
MFVC
MFVC
MFVC
Pr.261 Power failure stop selection
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.
Pr.
Setting Range
Number
Coasts to stop.
0 (initial value)
When undervoltage or power failure
occurs, the inverter output is shut off.
When undervoltage or a power failure
1
occurs, the inverter can be decelerated
261
to a stop.
When undervoltage or a power failure
occurs, the inverter can be decelerated
2
to a stop.
If power is restored during a power
failure, the inverter accelerates again.
(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.
Pr. 261 = 1
Power
During deceleration
at occurrence of power failure
During stop
at occurrence
of power failure
STF
Y46
Turn OFF STF once to make acceleration 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.
Pr. 261 = 2
When power is restored during deceleration
at occurrence of power failure
Power
Output
frequency
During deceleration at
occurrence of power failure
Y46
Refer to the section about Pr.73
267
Refer to the section about Pr.52
268
Parameter for manufacturer setting. Do not set.
269
Refer to the section about Pr.161
295
When setting parameters, refer to the instruction manual (applied) and understand instructions.
Description
Time
IPF
Reacceleration
Time
296, 297
Password function
Pr.296 Password lock level
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.
PU Mode
NET Mode
Operation
Operation
Pr.296
Command
Command
Setting
Read
Write
Read
9999
(initial
value)
1, 101
2, 102
3, 103
4, 104
5, 105
6, 106
Pr.
Setting
Number
Range
1000 to
Register a 4-digit password
9998
Displays password unlock error count.
297
(0 to 5)
(Reading only)
(Valid when Pr. 296 = "101" to "106")
(9999)
No password lock (Reading only)
(initial value)
If the password has been forgotten, perform all parameter clear to unlock
the parameter restriction. In that case, other parameters are also cleared.
Refer to the section about Pr.82
298
Refer to the section about Pr.57
299
Pr.297 Password lock/unlock
Description
Write
No password lock
Select restriction level
of parameter reading/
writing when a
password is
registered.
: enabled, : restricted
Description
48
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