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

8.5 Operating Using Speed Control with Analog Reference(1) Automatic Adjustment of the Speed Reference OffsetThe automatic adjustment of reference offset (Fn009) cannot be used when a position loop has been formed witha host controller and the error pulse is changed to zero at the servomotor stop due to servolock. Use the speed referenceoffset manual adjustment (Fn00A) described in the next section for a position loop.The zero-clamp speed control function can be used to force the motor to stop while the zero speed reference isgiven. Refer to 8.5.6 Using the Zero Clamp Function.IMPORTANTThe speed reference offset must be automatically adjusted with the servo OFF.StepAdjust the speed reference offset automatically in the following procedure.Display afterOperationDigitalOperatorPanelOperatorDescription1 SERVOPACK Servomotor Turn OFF the SERVOPACK, and input the 0-V reference voltagefrom the host controller or external circuit.2 Press the DSPL/SET or MODE/SET Key to select the utilityDSPLSETfunction mode.(DSPL/SET Key)3 Press the LEFT/RIGHT or UP/DOWN Key, or UP or DOWNKey to select parameter Fn009.*The digit that can be set will blink.4 Press the DATA/ENTER Key once, or DATA/SHIFT Key formore than one second. “rEF_o” will be displayed.5 Press the DSPL/SET or MODE/SET Key.6Hostcontroller0-V speedreferenceServo OFFDATAENTER(DATA/ENTER Key)DSPLSET(DSPL/SET Key)Slow rotation(Servo ON)MODE/SET(MODE/SET Key)DATA/(DATA/SHIFT Key)(Press at least 1 s.)MODE/SET(MODE/SET Key)About one second laterThe reference offset will be automatically adjusted.When completed, “donE” will blink for about one second.After “donE” is displayed, “rEF_o” will be displayed again.7 Press the DATA/ENTER Key once, or DATA/SHIFT Key forDATAENTERmore than one second to return to the Fn009 display of the utilityfunction mode.(DATA/ENTER Key)DATA/(DATA/SHIFT Key)(Press at least 1 s.)88-41