Tension sensorless torque control details
TENSION SENSORLESS TORQUE CONTROL
135
5
5.5.6
Mechanical loss compensation function
By increasing the torque command value to compensate loss caused by factors such as mechanical friction (mechanical
loss), tension change due to mechanical loss can be prevented.
Block diagram
Pr.
Name
Initial value
Setting
range
Description
1230
R003
Winding/unwinding selection
0
0
Winding
1
Unwinding
1419
R550
Mechanical loss setting
frequency bias
1000%
900 to 1100%
Set the bias compensation value for the mechanical
loss compensation function.
1420
R551
Mechanical loss setting
frequency 1
9999
0 to 400 Hz,
9999
Set the frequency for the mechanical loss 1.
1421
R552
Mechanical loss 1
1000%
900 to 1100%
Set the compensation value for the mechanical loss 1.
1422
R553
Mechanical loss setting
frequency 2
9999
0 to 400 Hz,
9999
Set the frequency for the mechanical loss 2.
1423
R554
Mechanical loss 2
1000%
900 to 1100%
Set the compensation value for the mechanical loss 2.
1424
R555
Mechanical loss setting
frequency 3
9999
0 to 400 Hz,
9999
Set the frequency for the mechanical loss 3.
1425
R556
Mechanical loss 3
1000%
900 to 1100%
Set the compensation value for the mechanical loss 3.
1426
R557
Mechanical loss setting
frequency 4
9999
0 to 400 Hz,
9999
Set the frequency for the mechanical loss 4.
1427
R558
Mechanical loss 4
1000%
900 to 1100%
Set the compensation value for the mechanical loss 4.
1428
R559
Mechanical loss setting
frequency 5
9999
0 to 400 Hz,
9999
Set the frequency for the mechanical loss 5.
1429
R560
Mechanical loss 5
1000%
900 to 1100%
Set the compensation value for the mechanical loss 5.
1
-1
Pr.1230
= 0 (winding)
Pr.1230
= 1 (unwinding)
Torque after
mechanical loss
compensation
Motor speed
N1
Pr.1420
N2
Pr.1422
N3
Pr.1424
N4
Pr.1426
N5
Pr.1428
Pr.1421
L1
Pr.1423
L2
Pr.1425
L3
Pr.1427
L4
Pr.1429
L5
Mechanical loss compensation value
Motor speed
Mechanical loss setting frequency
Mechanical loss
Pr.1419
LB
Summary of Contents for A800 Plus Series
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