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Parameter
Function
Name
Frequency
55
monitoring
reference
Current
56
monitoring
reference
Restart coasting
57
time
Restart cushion
58
time
Regenerative
30
function selection
Automatic restart
after
instantaneous
162
power failure
selection
Stall prevention
operation level for
165
restart
Frequency search
298
gain
Rotation direction
detection
299
selection at
restarting
Acceleration time
611
at a restart
Incre-
Initial
Range
ments
Value
Full-scale value to output the output
0.01Hz
60Hz 0 to 400Hz
frequency monitor value to terminal FM.
Rated
Full-scale value to output the output
0.01A
inverter
0 to 500A
current monitor value to terminal FM.
current
1.5K or less .................. 1s
2.2K to 7.5K ................. 2s
0
11K or more ................. 3s
0.1s
9999
The above times are coasting time.
Waiting time for inverter-triggered restart
0.1 to 5s
after an instantaneous power failure.
9999
No restart
0.1s
1s
0 to 60s
Voltage starting time at restart.
The motor starts at the starting frequency
0, 1
when MRS (X10) turns ON then OFF
1
0
Restart operation is performed when MRS
2
(X10) turns ON then OFF
With frequency
0
search
Without frequency
1
search (reduced
1
1
voltage system)
Frequency search at
10
every start
Reduced voltage at
11
every start
Considers the rated inverter current as
0.1%
150% 0 to 200%
100% and sets the stall prevention
operation level during restart operation.
When offline auto tuning is performed
under V/F control, frequency search gain
necessary for frequency search for
0 to 32767
automatic restart after instantaneous
1
9999
power failure is set as well as the motor
constants (R1).
Uses the Mitsubishi motor (SF-JR, SF-
9999
HRCA) constants
0
Without rotation direction detection
1
With rotation direction detection
When Pr. 78 =0, the rotation direction is
1
0
detected.
9999
When Pr. 78 =1, 2, the rotation direction is
not detected.
Acceleration time to reach Pr. 20
0 to 3600s
Acceleration/deceleration reference frequency
0.1s
9999
at a restart.
Acceleration time for restart is the normal
9999
acceleration time (e.g. Pr. 7).
Parameter list
Param
Description
eter
Copy
When using the
frequency search,
consider the wiring
length limit.
(Refer to page 15)
All
Param
Param
eter
eter
Clear
Clear
×
3
79

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