9 Application Instructions API 150-199 8. ASCII Mode: When PLC is connected to VFD-S AC motor drive. PLC VFD-S, PLC sends: “ 01 10 2000 0002 04 0012 1770 30 ” VFD-S PLC, PLC receives: “ 01 10 2000 0002 CD ” Registers for sent data (sending messages) Registers for received data (responding messages) DVP-PLC Application Manual 9-25 Register DATA Explanation D1256 Low ‘0’ 30 H ADR 1 ADR 0 Address of AC motor drive: ADR (1,0) D1256 High ‘1’ 31 H D1257 Low ‘1’ 31 H CMD 1 CMD 0 Command code:
CMD (1,0) D1257 High ‘0’ 30 H D1258 Low ‘2’ 32 H Data Address D1258 High ‘0’ 30 H D1259 Low ‘0’ 30 H D1259 High ‘0’ 30 H D1260 Low ‘0’ 30 H Number of Registers D1260 High ‘0’ 30 H D1261 Low ‘0’ 30 H D1261 High ‘2’ 32 H D1262 Low ‘0’ 30 H Byte Count D1262 High ‘4’ 34 H D1263 Low ‘0’ 30 H Data contents 1 The content of register D50 (H12) D1263 High ‘0’ 30 H D1264 Low ‘1’ 31 H D1264 High ‘2’ 32 H D1265 Low ‘1’ 31 H Data contents 2 The content of register D51 (H1770 = K6,000) D1265 High ‘7’ 37 H D1266 Low ‘7’ 37 H D1266 High ‘0’ 30 H D1267 Low ‘3’ 33 H LRC CHK 1 LRC CHK 0 Error checksum:
LRC CHK (0,1) D1267 High ‘0’ 30 H Register DATA Explanation D1070 Low ‘0’ 30 H ADR 1 ADR 0 D1070 High ‘1’ 31 H D1071 Low ‘1’ 31 H CMD 1 CMD 0 D1071 High ‘0’ 30 H D1072 Low ‘2’ 32 H Data Address D1072 High ‘0’ 30 H D1073 Low ‘0’ 30 H D1073 High ‘0’ 30 H D1074 Low ‘0’ 30 H Number of Registers D1074 High ‘0’ 30 H D1075 Low ‘0’ 30 H D1075 High ‘2’ 32 H D1076 Low ‘C’ 43 H LRC CHK 1 LRC CHK 0 D1076 High ‘D’ 44 H