5
-70
Feed Forward: N5
User constants for the feed forward control are shown in the following table.
* 1. The factory setting will change when the control method is changed. (Flux vector control factory settings are given.)
* 2. The factory setting depends on the inverter capacity.
Digital Operator Constants: o
The following settings are made with the Digital Operator constants (o constants): Multi-function selections
and the copy function.
Monitor Select: o1
User constants for Digital Operator Displays are shown in the following table.
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
N5-01
Feed forward
control selec-
tion
Select the feed forward con-
trol.
0: Disabled
1: Enabled
0 or 1
0
*1
No
No
No
No
A
A
5B0H
-
Feedfoward
Sel
N5-02
Motor accel-
eration time
Set the time required to
accelerate the motor at the
rated torque (T
100
) to the
rated speed (Nr).
J: GO
2
/4, P: Motor rated out-
put
However,
0.000
to
10.000
0.178 s
*2
No
No
No
No
A
A
5B1H
-
Motor Accel
Time
N5-03
Feed forward
proportional
gain
Set the proportional gain for
feed forward control.
Speed reference response will
increase as the setting of N5-
03 is increased.
0.00 to
100.00
1.0
No
No
No
No
A
A
5B2H
-
Feedfoward
Gain
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
o1-01
Monitor
selection
Set the number of the monitor
item to be displayed in the
earliest 4 monitor items. (U1-
)
The output monitor voltage
(factory setting) can be
changed.
4 to 45
6
Yes
A
A
A
A
A
500H
-
User Monitor
Sel
2
π
· J [kgm2] · Nr [r/min]
ta =
60 · T100 [N · m]
[s]
T100 =
×
103 [N · m]
60
2
π
·
P [kW]
Nr [n/min]
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