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Parameter list
Operation selection at power failure and instantaneous power failure — Automatic restart
after instantaneous power failure/flying start (Pr.57, Pr.58, Pr.162 to Pr.165, Pr.299, Pr.611)
57
Restart coasting time
0.1s 9999
0
V/F control,
Simple magnetic
flux vector control
IPM motor control
The coasting time is
as follows:
1.5K or lower.....0.5s,
2.2K to 7.5K......1.0s,
11K to 55K ........3.0s,
75K or higher....5.0s
No coasting time
0.1 to 5s/
0.1 to 30s
*
Set the waiting time for inverter-triggered restart
after an instantaneous power failure.
9999 No restart
58
Restart cushion time
0.1s 1s 0 to 60s Set a voltage starting time at restart.
162
Automatic restart after
instantaneous power
failure selection
10
V/F control,
Simple magnetic
flux vector control
IPM motor control
0 With frequency search
With frequency
search
(only at the first start)
1
Without frequency
search (reduced
voltage system)
10
Frequency search at
every start
Frequency search at
every start
11
Reduced voltage at
every start
163
First cushion time for
restart
0.1s 0s 0 to 20s
Set a voltage starting time at restart.
Consider according to the magnitude of load
(moment of inertia/torque).
164
First cushion voltage
for restart
0.1% 0% 0 to 100%
165
Stall prevention
operation level for
restart
0.1% 120% 0 to 150%
Consider the rated inverter current as 100%
and set the stall prevention operation level
during restart operation.
299
Rotation direction
detection selection at
restarting
1 9999
0 Without rotation direction detection
1 With rotation direction detection
9999
When Pr. 78 = "0", the rotation direction is
detected.
When Pr. 78 = "1", "2", the rotation direction is
not detected.
611
Acceleration time at a
restart
0.1s 5/15s *
0 to 3600s
Set the acceleration time to reach the Pr. 20
Acceleration/deceleration reference frequency at
a restart.
9999
Acceleration time for restart is the normal
acceleration time (e.g. Pr. 7).
* The setting depends on the inverter capacity (55K or lower/75k or higher)
Parameter
Name
Incre-
ments
Initial
Value
Range Description
Parameter
copy
Parameter
clear
All parameter
clear
Related
parameters
: enabled
× : disabled
V/F
V/F
V/F
S
MFVC
S
MFVC
S
MFVC
V/F
V/F
V/F
S
MFVC
S
MFVC
S
MFVC
V/F
V/F
V/F
S
MFVC
S
MFVC
S
MFVC
V/F
V/F
V/F
S
MFVC
S
MFVC
S
MFVC
V/F
V/F
V/F
S
MFVC
S
MFVC
S
MFVC