Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

8 Operation8.5.3 Adjusting Offset(2) Manual Adjustment of the Speed Reference OffsetUse the speed reference offset manual adjustment (Fn00A) in the following situations:• If a loop is formed with the host controller and the position error pulse is to be zero when servolock isstopped.• To deliberately set the offset to some value.• To check the offset data set in the speed reference offset automatic adjustment mode.This function operates in the same way as the reference offset automatic adjustment mode (Fn009), except thatthe amount of offset is directly input during the adjustment.The offset setting range and setting units are as follows:Speed ReferenceOffset adjustmentrangeOffset Adjustment Range: ±15000(Speed Reference: ±750 mV)Offset setting unitAnalogInputVoltageOffset Setting UnitSpeed Reference:1 = 0.05 mVStepAdjust the speed reference offset manually in the following procedure.Display afterOperationDigitalOperatorPanelOperatorDescription1 Press the DSPL/SET or MODE/SET Key to select the utilityDSPLSETfunction mode.(DSPL/SET Key)2 Press the UP or DOWN Key to select parameter Fn00A.*The digit that can be set will blink.3 Press the DATA/ENTER Key once, or DATA/SHIFT Key forDATAENTERmore than one second. The display will be as shown at the left.DATA/(DATA/ENTER Key) (DATA/SHIFT Key) The manual adjustment mode for the speed reference offset will(Press at least 1 s.)be entered.4Servo ONMODE/SET(MODE/SET Key)Turn ON the servo ON (/S-ON) signal. The display will be asshown at the left.5 Press the LEFT or RIGHT Key or DATA/SHIFT Key for lessthan one second to display the speed reference offset amount.DATA/(DATA/SHIFT Key)(Less than 1 s.)6 Press the UP or DOWN Key to adjust the amount of offset.7 Press the LEFT or RIGHT Key or MODE/SET Key for less thanone second. The display will appear momentarily as shown at theMODE/SET(MODE/SET Key)(Less than 1 s.)left, and “donE” will blink and the offset will be set. After thesetting is completed, the display will return to the display asshown at the left.8 Press the DATA/ENTER Key once, or DATA/SHIFT Key forDATAENTERmore than one second to return to the Fn00A display of the utilityfunction mode.(DATA/ENTER Key)DATA/(DATA/SHIFT Key)(Press at least 1 s.)8-42