Shihlin electric SDP Series, Manual

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4.6.5 Auto-offset of analog input
When the external analog speed command input is 0V, there may still have offset left which
rotate the motor slowly. The user can enter the diagnostic mode and select the auto-offset of
analog input function to automatically adjust the voltage offset. Please follow the following
steps to operate:
SET
完成設定
UP
此時按 UP 鍵 6 次，進入自動 offset
按 SET 鍵 1 次，數字 0 開始閃爍
電源開啟時，進入速度模式狀態顯示參數
MODE
按 MODE 鍵 2 次
UP
此時按 UP 鍵 1 次，數字 0
SET
按 SET 鍵 1 次，數字 1 改為 0
變更為數字 1
自動 offset 設定完成
When the power is on, it displays speed mode status parameter
Press MODE key twice
Press UP button 6 times and enters automatically offset
Press SET key once, the digit 0 starts blinking
Press UP key once to change the digit from 0 to 1
Press SET key once to change the digit from 1 to 0,
and the offset setting will be completed automatically.
Setting finished

After the auto-offset setting is completed, the parameter automatically writes to
PC26.