134
To
rque
bias function
840
Torque bias
selection
1
9999
0
Set the contact signal (X42, X43) based-
torque bias amount using
Pr.841
to
Pr.843
.
{
{
{
1
Set the terminal 1-based torque bias amount
as desired in
C16
to
C19
. (forward rotation)
2
Set the terminal 1-based torque bias amount
as desired in
C16
to
C19
. (reverse rotation)
3
The terminal 1-based torque bias amount
can be set automatically in
C16
to
C19
,
Pr.846
according to the load.
9999
Without torque bias, rated torque 100%
841
Torque bias 1
1%
9999
600 to
999%
Negative torque bias amount (-400% to -
1%)
{
{
{
842
Torque bias 2
1000 to
1400%
Positive torque bias amount (0% to 400%)
843
Torque bias 3
9999
Without torque bias setting
844
Torque bias filter
0.001s
9999
0 to 5s
Time until torque rises.
{
{
{
9999
Same operation as when 0s is set.
845
Torque bias
operation time
0.01s
9999
0 to 5s
Time for maintaining torque equivalent to
the torque bias amount.
{
{
{
9999
Same operation as when 0s is set.
846
Torque bias balance
compensation
0.1V
9999
0 to 10V
Set the voltage under balanced load.
{
{
{
9999
Same operation as when 0V is set.
847
Fall-time torque
bias terminal 1 bias
1%
9999
0 to 400%
Set the bias value of the torque command.
{
{
{
9999
Same as at a rise time (
C16
,
C17
).
848
Fall-time torque
bias terminal 1 gain
1%
9999
0 to 400%
Set the gain value of the torque command.
{
{
{
9999
Same as at a rise time (
C18
,
C19
).
—
849
Refer to
Pr. 74
.
850
Refer to
Pr. 10
.
853
Refer to
Pr. 285
.
Excit
ation ratio
854
Excitation ratio
1%
100%
0 to 100%
Set the excitation ratio under no load.
{
{
{
Fu
nction assignmen
t of
a
nalog
input t
erminal
858
Terminal 4 function
assignment
1
0
0
Frequency/speed command
{
×
{
1
Magnetic flux command
4
Stall prevention/torque limit
9999
No function
868
Terminal 1 function
assignment
1
0
0
Frequency setting auxiliary
{
×
{
1
Magnetic flux command
2
Regenerative torque limit
3
Torque command
4
Stall prevention/torque limit/torque
command
5
Forward/reverse rotation speed limit
6
Torque bias
9999
No function
—
859, 860
Refer to
Pr. 82
.
Notch filte
r
862
Notch filter time
constant
1
0
0 to 60
You can use the mechanical resonance
speed to make this setting to reduce the
response level of the mechanical
resonance frequency band, avoiding
mechanical resonance.
{
{
{
863
Notch filter depth
1
0
0
Deep (-40dB)
{
{
{
1
↑
(-14dB)
2
↓
(-8dB)
3
Sharrow (-4dB)
Fu
nc
tio
n
Parameter
Name
Incre
ments
Initial
Value
Range
Description
Para
meter
copy
Param
eter
clear
All
param
eter
clear
Re
la
te
d
p
a
ra
mete
rs
{
: enabled
×
: disabled
VectorV
e
c
to
r
Vector
SensorlessS
e
n
s
o
rl
e
s
s
Sensorless
VectorV
e
c
to
r
Vector
SensorlessS
e
n
s
o
rl
e
s
s
Sensorless
VectorV
e
c
to
r
Vector
Содержание FR-A741-11K
Страница 7: ...MEMO ...
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