1.4 SERVOPACK Internal Block Diagrams1-111 Outline1.4.5 Three-phase 200 V, SGDV-2R8A11 Model∗ The following SERVOPACKs do not have cooling fans: SGDV-B1.4.6 Three-phase 200 V, SGDV-3R8A11A, -5R5A11A, -7R6A11A ModelsL1B1/ B2 B3L2L312L1CL2CUVWENCMCHARGE+17 V±12 V+5 VCurrentsensorDynamicbrake circuitServomotorGatedriveVoltagesensorVoltagesensorVaristorVaristorGate driveovercurrentprotectorTemperaturesensorRelaydriveControlpowersupply+–+–Main circuitpower supplyControl powersupplyCN3 CN7 CN8CN2I/OI/FCN1CN6ACN6BCN5MECHATROLINK-IIcommunicationsCPU(Position/speedcalculation, etc.)Panel displayDigital operator PersonalcomputerSignal for safety functionEncoder outputpulseAnalog monitoroutputASIC(PWM control, etc.)AnalogvoltageconverterI/O signalFan+12 V∗L1B1/ B2 B3L2L312L1CL2CUVWENCMCHARGE+17 V±12 V+5 VCurrentsensorDynamicbrake circuitServomotorGatedriveVoltagesensorVoltagesensorVaristorVaristorGate driveovercurrentprotectorTemperaturesensorRelaydriveFanControlpowersupply±12 V+–+–Main circuitpower supplyControl powersupplyCN3 CN7 CN8CN2I/OI/FCN1CN6ACN6BCN5MECHATROLINK-IIcommunicationsCPU(Position/speedcalculation, etc.)Panel displayDigital operator Personalcomputer Signal for safety functionEncoder outputpulseAnalog monitoroutputASIC(PWM control, etc.)AnalogvoltageconverterI/O signal
