DIFFERENCES BETWEEN DR2 AND DR1, SGDA AND SGD SERVOPACKS424Comparison of the DR2 Servopack with the DR1 Servopack (1)Item DR2 Servopack DR1 ServopackSpeed Loop FrequencyCharacteristics250 Hz 100 HzServo Gain Compensation(See note 1)Yes NoAuto Tuning 7-stage settings NoSerial CommunicationsFeaturesUser constant setting/editingReference to all monitored valuesAuto-tuningAlarm trace-back confirmationNoMulti-axis Communications Yes (However, use rotary switch when axis is set.) No100 V, 300 W Version Yes (External dimensions identical to 200 V,750 W version)NoApplicable Servomotors Both SGM and SGMP servomotorsEither servomotor type can be used by changinguser constant (memory switch) setting.No Servopack change required.SGM servomotors.Not applicable to SGMPServomotors.Torque Feed Forward(See note 2)Yes Torque feed forward and torque restrictionwith analog references cannot be usedi lt lNoTorque Restriction with AnalogReferences (See note 2)Yesgsimultaneously.Settings identical for forward and reverse.NoReference Pulse Input UnitFilter Selection (See note 3)Yes Select according to output form of thecustomer’s controller (line driver or opencollector).YesExternal Reference ReceiveDuring Contact Input SpeedControlSelectable(Software version: 0003 or later. See Par. 4.2.8.)Always receivableReference Pulse Inhibit Yes Switch the P-CON signal with the userconstant settings.NoReference Pulse ValueDisplay (See note 3)Possible (Monitor mode Un-09) Not possibleAnalog Speed Monitor 2V/1000r/min 0.5V/1000r/minAnalog Torque Monitor 3V/100% 0.5V/100%PG Dividing Open CollectorOutputCan be available as an option Available only to Phase-CFull-closed Loop Possible Not possibleElectronic Gear Function Yes NoSoft Stop Function Yes The same as that of soft startSmoothing Function Yes NoRegenerative ProcessingCircuitNoneHowever, only 200V, 30W to 200W can beconnectable to regenerative unit.(200V, 30W to 200W100V, 30W to 100W)NoneRegenerative unit cannot beconnected.(200V, 30W to 100W100V, 30W and 50W)Incorporated(200V, 400W and 750W100V, 200W and 300W)Incorporated(200V, 200W to 750W100V, 100W and 200W)Power Supply Main circuit and control circuit are separated.Note 1) Material is being prepared on speed loop servo gain compensation.2) Speed control type only.3) Position control type only.A
