Automatic Offset-Adjustment Of Motor Current Detection Signal - YASKAWA SGDH User Manual

7.2.6 Automatic Offset-adjustment of Motor Current Detection Signal (Fn00E)
Automatic motor current detection offset adjustment has performed at Yaskawa before shipping. Basically, the
user need not perform this adjustment.
Perform this adjustment only if highly accurate adjustment is required for reducing torque ripple caused by cur-
rent offset. Automatic adjustment is possible only with power supplied to the main circuit power supply and with
the servo OFF.
Execute the automatic offset adjustment if the torque ripple is too big when compared with that of other
IMPORTANT
SERVOPACKs.
Display after
Step
Operation
1
2
3
4
5
6
Digital Operator Panel Operator
DSPL
SET
(DSPL/SET Key) MODE/SET
(MODE/SET Key)
DATA
ENTER
DATA
(DATA/ENTER K ey)
(DATA/SHIFT Key)
(Press at least 1 s.)
DSPL
SET
MODE/SET
(DSPL/SET Key)
(MODE/SET Key)
After about one second
DATA
ENTER
DATA
(DATA/ENTER K ey)
(DATA/SHIFT Key)
(Press at least 1 s.)
7-13
7.2 Operation in Utility Function Mode (Fn
Description
Press the DSPL/SET or MODE/SET Key to select the
utility function mode.
Press the UP or DOWN Key to select Fn00E.
Note: The enabled digit blinks.
Press the DATA/ENTER Key once, or DATA/SHIFT
Key for more than one second, and the display will be
as shown on the left.
Press the DSPL/SET or MODE/SET Key.
The offset will be automatically adjusted.
When the adjustment completes, the display shown on
the left blinks for about one second.
The display changes from "donE" to the display shown
on the left.
Press the DATA/ENTER Key once, or DATA/SHIFT
Key for more than one second to return to the utility
function mode display Fn00E.
)
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