YASKAWA FSDrive-MV1S Instructions Manual page 162

Constant
Number
b3-12
b3-13
b3-14
b3-15
b3-16
b3-17
b3-18
L2-03
-38
6
Name
Description
Display
Current detection On speed calculation, the motor
dead-zone width speed is calculated from the
during speed search detected current value. For cur-
rent detection, the dead-zone
must be set. Set the dead-zone
width using the current detec-
tion resolution as reference
amount. (only for a excitation
search)
Decrease the set value if the
Srch I Deadband
search speed becomes
extremely slow at the speed
search after the motor has been
baseblocked for a long time of
period such as the speed search
at startup.
Torque compensation
Sets primary lag of the torque
time constant during
compensation function during
speed search
speed search in units of milli-
seconds.
TComp T at SpdSr
Current control start Sets the level to start prolonga-
level during voltage tion of voltage restoration time
restoration to control current during speed
search. Set the level as no-load
Srch Lvl Red I
current = 1.0.
Time constant for Sets the time constant for filter-
current control during ing for the level to prolong
voltage restoration voltage restoration time in
order to control current during
Srch T Red I
speed search.
Wait time after Sets the wait time for switching
completion of speed to normal control after comple-
search tion of speed search. The fre-
quency reference will be held
SpdSrch Ret Time
during the set wait time.
Software CLA current
Sets the software current limit
limit 1 during speed
value at speed search in per-
search
centage to the motor rated cur-
rent.
SpdSrch CLA Lvl1
Software CLA current
Sets the software current limit
limit 2 during speed
value at 0 Hz at speed search in
search
percentage to the motor rated
current.
SpdSrch CLA Lvl2
Min. baseblock time Sets the Inverter's minimum
baseblock time in units of one
second, when the Inverter is
restarted after power loss ride-
through.
Sets the time to approximately
0.7 times the motor secondary
PwrL Baseblock t
circuit time constant.
When an overcurrent or over-
voltage occurs when starting a
speed search or DC injection
braking, increase the set values.
Change
Setting Factory
during
Open-
Range Setting
Operation
loop
Vector
0.5 to
4.0 No
10.0
0 to
10 ms No
10000
0.0 to
2.0 No
5.0
0 to
5 ms No
100
0.00 to
0.01 s No
5.00
0.0 to
100.0% No
300.0
0.0 to
100.0% No
300.0
0.1 to
2.0 s
No
5.0
*2
Control
Methods
MEMOBUS
Register
Flux
Vector
A A 1CBH
A A 1CCH
A A 1CDH
A A 1CEH
A No 1CFH
A A 1D0H
A A 1D1H
A A 4F2H