User Manual EM303B General Purpose Inverter S ECTION 2 A DVANCED P ARAMETERS ......................................... 122 7.8 F6 G ROUP : S IMPLE PLC F UNCTION ....................................... 122 7.9 F7 G ROUP : A DVANCED P ARAMETERS OF O PERATION .......................... 128 7.10 F8 G ROUP : I NPUT /O UTPUT B IAS ........................................ 133 7.11 F9 G ROUP : S PEED S ETTING O PTIONS ..................................... 137 7.12 FA G ROUP : A DVANCED P ARAMETERS OF V ECTOR C ONTROL ................... 145 7.13 FC G ROUP : P ARAMETERS OF O PERATION C ONTROL .......................... 146 7.14 F D G ROUP : A UXILIARY P ARAMETERS ....................................
155 7.15 FE G ROUP : U SER D EFINED T ERMINAL F UNCTION P ARAMETERS ................ 158 8AUTOTUNING MOTOR PARAMETERS ................................. 162 8.1 A UTOTUNING M OTOR P ARAMETERS ...................................... 162 8.2 P RECAUTIONS B EFORE A UTOTUNING ..................................... 162 8.3 A UTOTUNING P ROCEDURE ............................................. 163 9TROUBLESHOOTING ................................................ 164 9.1 F AULTS ............................................................ 164 R EFERENCE OF LED C HARACTERS .......................................... 166 9.2 F AULT A NALYSIS .....................................................
167 10MAINTENANCE AND INSPECTION ................................... 170 10.1 M AINTENANCE AND I NSPECTION ........................................ 170 10.2 D AILY I NSPECTION .................................................. 170 10.3 P ERIODIC M AINTENANCE ............................................. 170 10.4 P ERIODIC M AINTENANCE AND R EPLACEMENT OF P ARTS ...................... 171 10.5 O UTLINE OF W ARRANTY .............................................. 171 11ACCESSORIES ..................................................... 172 11.1 K EYPAD E XTENSION W IRE ............................................ 172 11.2 R EMOTE C ONTROL C ASE ..............................................
172 11.3 B RAKING R ESISTOR ................................................. 173 11.4 B RAKING U NIT ..................................................... 174 11.5 C ONNECTING C ABLE ................................................. 174 11.6 C HASSIS FOR F LOOR M OUNTING ........................................ 174 11.7 E XTENDED C OPPER B AR .............................................. 176 12MODBUS COMMUNICATION PROTOCOL .............................. 177 12.1 A PPLICATION S COPE ................................................. 177 12.2 P HYSICAL I NTERFACE ................................................ 177 12.3 P ROTOCOL F ORMAT .................................................
177 12.4 E XPLANATION OF C OMMAND .......................................... 177 12.5 D ESCRIPTION OF P ROTOCOL F ORMAT .................................... 179 12.6 D ESCRIPTION OF C ONTROL C OMMAND ................................... 182 12.7 E XAMPLE ......................................................... 183 12.8 T ROUBLESHOOTING OF COMMON COMMUNICATION .......................... 184 3