1.4 SERVOPACK Internal Block Diagrams1-151 Outline1.4.13 Three-phase 400 V, SGDV-8R4D11A, -120D11A Models1.4.14 Three-phase 400 V, SGDV-170D11A ModelL1B1/ B2 B3L2L312+24 V0 VUVWENCMCHARGE+15 V × 4+5 V±12 V+–+–CurrentsensorServomotorGatedriveVoltagesensorVoltagesensorRelaydriveControlpowersupplyOverheat protector,overcurrent protector Dynamicbrake circuitVaristor ±12 V±12 VFan 1 Fan 2+–Main circuitpower supplyControl powersupply(The 24 VDCpower supply isnot included.)CN3 CN7 CN8CN2I/OI/FCN1CN6ACN6BCN5MECHATROLINK-IIcommunicationsCPU(Position/speedcalculation, etc.)Panel displayDigital operator PersonalcomputerSignal for safety functionEncoder outputpulseAnalog monitoroutputASIC(PWM control, etc.)AnalogvoltageconverterI/O signalL1B1/ B2 B3L2L312+24 V0 VUVWENCMCHARGE+15 V × 4+5 V±12 V+–+–CurrentsensorServomotorGatedriveVoltagesensorVoltagesensorRelaydriveControlpowersupplyOverheat protector,overcurrent protector Dynamicbrake circuit±12 VFanVaristor+–Main circuitpower supplyControl powersupply(The 24 VDCpower supply isnot included.)CN3 CN7 CN8CN2I/OI/FCN1CN6ACN6BCN5MECHATROLINK-IIcommunicationsCPU(Position/speedcalculation, etc.)Panel displayDigital operator Personalcomputer Signal for safety functionEncoder outputpulseAnalog monitoroutputASIC(PWM control, etc.)AnalogvoltageconverterI/O signal
