6. Control Functions and Parameter Settings
6-16
Block-B parameters (Extended function constants) list
Application
No.
Parameter
Unit
Default
Min.
Max.
Function
ST
V/f VEC PM
B33 – M fluctuation compensation table reference speed
0
Table reference speed 0
min
–1
200
100.
7200.
1
Table reference speed 1
min
–1
400
100.
7200.
2
Table reference speed 2
min
–1
600
100.
7200.
3
Table reference speed 3
min
–1
800
100.
7200.
4
Table reference speed 4
min
–1
1000
100.
7200.
5
Table reference speed 5
min
–1
1200
100.
7200.
6
Table reference speed 6
min
–1
1400
100.
7200.
7
Table reference speed 7
min
–1
1600
100.
7200.
This is the reference speed
table .
These values will be affected by
the compensation (B34) block.
B34 – M fluctuation compensation
0
M fluctuation compensation
coefficient 0
%
100.0
50.0
150.0
1
M fluctuation compensation
coefficient 1
%
100.0
50.0
150.0
2
M fluctuation compensation
coefficient 2
%
100.0
50.0
150.0
3
M fluctuation compensation
coefficient 3
%
100.0
50.0
150.0
4
M fluctuation compensation
coefficient 4
%
100.0
50.0
150.0
5
M fluctuation compensation
coefficient 5
%
100.0
50.0
150.0
6
M fluctuation compensation
coefficient 6
%
100.0
50.0
150.0
7
M fluctuation compensation
coefficient 7
%
100.0
50.0
150.0
This is adjusted with the
automatic tuning mode 4 (B19-0
= 4).
This compensates the exciting
inductance fluctuation according
to the B33 reference speed
values.
Set the compensation
coefficients that the output
voltage is constant during no-
load operation through the entire
operation range.
B35 – Constant Voltage control (PM)
0
Demagnetizing control
operation voltage range
%
10.0
50.0
100.0
1
Demagnetizing current limit
value
%
50.0
10.0
200.0
2
Demagnetizing proportional
gain
times
0.10
0.01
99.99
3
Demagnetizing integral gain
ms
10.
2.
1000.
4
Flux temperature fluctuation
compensation range
%
0.0
0.0
50.0
5
Flux temperature fluctuation
compensation time
constant
%
1000.
1.
9999.
% of rated voltage
Ratio of rated voltage
B36 – Demagnetizing current table (PM)
0
Demagnetizing current
table 0
%
0.0
0.0
100.0
1
Demagnetizing current
table 1
%
0.0
0.0
100.0
2
Demagnetizing current
table 2
%
0.0
0.0
100.0
3
Demagnetizing current
table 3
%
0.0
0.0
100.0
4
Demagnetizing current
table 4
%
0.0
0.0
100.0
Demagnetising current table
(at torque command 25%)
(at torque command 50%)
(at torque command 50%)
(at torque command 50%)
(at torque command 50%)