Summa Series Servodrive Product Manual
Document Version: V1.01
(Dec, 2019)
© 2019 ESTUN Automation Co., Ltd. All right reserved.
Fn006 (Manual offset-adjustment of Motor current detection signal)
To adjust the offset, perform the automatic adjustment (Fn005) first. And if the torque ripple is still big
after the automatic adjustment, perform the manual offset-adjustment as follow.
Please carefully execute the manual offset-adjustment, in case worsen
the characteristics of the Motor.
When executing the manual offset-adjustment, run the Motor at a speed
of approximately 100 rpm, and adjust the phase-U and phase-V offsets
alternately several times until the torque ripple is minimized.
Step 1 Press [M] key several times to select the Utility Function Mode.
Step 2 Press [▲] key or [▼] key to select the function number Fn006.
Step 3 Press [◄] key, and Panel Operator displays as below.
Step 4 Press [M] key for switching the display between 0_CuA (phase-U) and 1_Cub (phase-V).
Step 5 Select one phase display (e.g. 1_Cub, phase-V), and press and hold [◄] key for 1 second or more, Panel
Operator will display the current offset value.
Press and hold [◄] key
for 1 second or more
Step 6 Press [▲] key or [▼] key to change the offset value.
NOTE: the offset can be adjusted from -1024 to 1024.
Step 7 Press and hold [◄] key for 1 second or more to return to the phase display.
Step 8 Press [◄] key to return to the display of the Fn006.