O: Digital Operator Constants - YASKAWA Varispeed G7 Instruction Manual

Feed Forward: N5
User constants for the feed forward control are shown in the following table.
Name
Con-
stant
Display
Number
Feed forward
Select the feed forward con-
control selec-
trol.
tion
N5-01
0: Disabled
Feedfoward
1: Enabled
Sel
Motor accel- Set the time required to
eration time accelerate the motor at the
rated torque (T
rated speed (Nr).
J: GD
put
N5-02
Motor Accel
2π J [kgm 2 ] Nr [min -1 ]
ta =
Time
However,
T 100 =
Feed forward
Set the proportional gain for
proportional
feed forward control.
gain
N5-03 Speed reference response will
increase as the setting of N5-
Feedfoward
03 is increased.
Gain
* 1. When the control method is changed, the factory setting will change. The flux vector factory setting is given.
* 2. The factory setting depends on the Inverter capacity. The value for a 200 V Class Inverter of 0.4 kW is given.

o: Digital Operator Constants

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.
Name
Con-
stant
Display
Number
Monitor Set the number of the monitor
selection item to be displayed in the
earliest 4 monitor items. (U1-
o1-01 )
The output monitor voltage
User Monitor
(factory setting) can be
Sel
changed.
Setting
Description
Range
0 or 1
) to the
100
2
/4, P: Motor rated out-
0.001
to
10.000
[s]
60 T 100 [N m]
60 P [kW]
× 10 3 [N m]
Nr [min -1 ]
2 π
0.00 to
100.00
Setting
Description
Range
4 to 45
4 to 99
Control Methods
Change
Open
Factory during
V/f Loop
Setting Opera-
V/f with Vec-
tion
PG tor
1
0
No No No No
*1
0.178 s
No No No No
*2
1.0 No No No No
Control Methods
Change
Open
Factory during
V/f Loop
Setting Opera-
V/f with Vec-
tion
PG tor
1
6 Yes A A A
User Constant Tables
MEMO-
Open
BUS
Flux Loop
Page
Regis-
Vec- Vec-
ter
tor tor
2
4-21
A A 5B0H
6-142
4-21
A A 5B1H
6-142
4-21
A A 5B2H
6-142
MEMO-
Open
BUS
Flux Loop
Page
Regis-
Vec- Vec-
ter
tor tor
2
A A 500H -
5-
73