YASKAWA SERVOPACK Sigma 7S Series Supplementary Manual

Contents

1.1 Speed Control1.1.1 Basic Settings for Speed Control1-31 Application FunctionsRelation between the /SPD-D (Motor Direction Input) Signaland V-REF (Speed Reference Input) SignalThe following graphs show the relationship between the V-REF (Speed Reference Input) signaland the speed reference depending on whether the /SPD-D signal is ON or OFF./SPD-D (Motor Direction Input) Signal: OFF /SPD-D (Motor Direction Input) Signal: ONSpeed Reference Input ExampleIf Pn300 is set to 600, the motor would operate at the rated speed for 6.00 V.0 +12- 12Motor speed [min-1]Speed referencevoltage [V]0 +12- 12Motor speed [min-1]Speed referencevoltage [V]Example For Rotary ServomotorsSpeed Ref-erence Input/SPD-DSignalRotationDirectionMotorSpeed For SGM7A Servomotor+6 VON Reverse Ratedmotorspeed-3000 min-1OFF Forward 3000 min-1-3 VON Forward 1/2 of ratedmotorspeed1500 min-1OFF Reverse -1500 min-1+1 VON Reverse 1/6 of ratedmotorspeed-500 min-1OFF Forward 500 min-1Speed Ref-erence Input/SPD-DSignalRotationDirectionMovementSpeedFor SGLGW-30A LinearServomotor+6 VON Reverse Ratedmotorspeed-1500 mm/sOFF Forward 1500 mm/s-3 VON Forward 1/2 of ratedmotorspeed750 mm/sOFF Reverse -750 mm/s+1 VON Reverse 1/6 of ratedmotorspeed-250 mm/sOFF Forward 250 mm/s