5-16 1000 Series / Guide to Installation, Troubleshooting, and MaintenanceFigure 5-14—1230 Block Diagram (Form 17X)ISOL PWR SUPPL Y& OPTICAL ISOLTRANSDUCERINTERFACE MVIVFIUFPOK & WDTCIRCUITSINVERTER DRIVE CONTROL MODULE (DSP)+5+15-15DIGITALSIGNALPROCESSOR(DSP)CONTROL DECODER,BUFFER & CONTROL SAMPLE& HOLDANALOGTO DIGITALCONVERTER&REAL TIMECLOCKDIGIT AL TOANALOGCONVERTERTO & FROMASYNC SERIALNETWORKTO & FROMSYNCHSERIALNETWORKFROM ANALOGCOMMANDDEVICEINTERNAL DATA & CONTROL BUSVUVVVWVB+VB-U + EV + EW + EB +W - EU +V +W +U +U -IUFIVFIWFOVERCURRENTDETECTORPOC+5+8 ISO+15-15+24U +U -V +V -W +W -GATE DRIVE& F AULTV +V -W +W -IOCDIGITALCURRENTREGULATO RINVERTERGATE DRIVER MODULEGATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTCAPACITOR BUSINV TSTSVUFVVFFEEDBACKCONDITIONINGIUCIV CTO ANALOGDEVICET O & FROMSYNCHSERIALNETWORK12348910sc+24 VDCLO CAL AN ALO G CMD 0 to +/-1 0 VDCUSER AN ALO G CMD 0 to +10 VDCREMOTE ANALOG CMD 0 to 20 mA+ 10 VDC REF-1 0 VDC REFLOCAL ANALOG OUTUSER ANALOG OUTU -V -W -BUS VOLTAGEMONITMS0-5 6PARALLEL INPUT & OUTPUTCIRCUITS1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23INVERTER B USU +U -V +V -W +W -U V WACMOTORTRANSDUCERTO / FROM TRANSDUCERTO / FROMASYNC SERIALNETWORKRECVXMITXMITRECVPROCESSOR BUS567+8 LOW VOLTAGESWITCH MODEPOWER SUPPLYVOLTAGEDIVIDERSBUSVOLTAGET +T -T +T -S +S -R +R -GATE DRIVE& F AULTS +S -R +R -GATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTGATE DRIVE& F AULTCONVERTERGATE DRIVER MODULECONVERTER DRIVE CONTROL MODULE (DSP)