4-135
Note
If adjusting the Servomotor current detection offset, first try performing automatic adjustment
(Fn00E). Only attempt manual adjustment if the torque ripple is still large after performing auto-
matic adjustment.
System Check Mode
Servomotor current
detection offset manual
adjustment
Phase selection (Cu1
= U phase)
U-phase (CU1)
offset adjustment
Phase selection (Cu2
= V phase)
V-phase (CU2)
offset adjustment
1 s min.
1 s min.
1 s max.
1 s max.
1 s min.
1 s min.
Flowchart for Servomotor Current Detection Offset Manual Adjustment
Adjust phase-U offset 10
°
in the best direction for torque ripple
Torque ripple does not improve even if adjusted in both + and -- directions?
Characteristics OK?
Rotate Servomotor at approx. 100 r/min. (with no load).
End
Adjust phase-V offset 10
°
in the best direction for torque ripple.
Adjust phase-U offset 1
°
in the best direction for torque ripple.
Adjust phase-V offset 1
°
in the best direction for torque ripple.
Note 1.
Adjust the offset while monitoring the torque command monitor (current monitor)’s waveform.
Operation
Chapter 4
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : [email protected]
