9 Application Instructions API 150-199 10. RTU Mode: When PLC is connected to VFD-S AC motor drive PLC VFD-S, PLC sends: “01 03 2100 0006 CF F4” VFD-S PLC, PLC receives:
“01 03 0C 0000 0503 0BB8 0BB8 0000 012D 8E C5” Registers for sent data (sending messages) Registers for received data D0 (responding messages) DVP-PLC Application Manual 9-10 Register DATA Explanation D2 Low ‘0’ 30 H Number of Data (counted by byte) D2 High ‘C’ 43 H D3 Low ‘0’ 30 H Content of address 2100H PLC automatically convert ASCII codes to numerals and store the numeral in D1296 = H0100 D3 High ‘1’ 31 H D4 Low ‘0’ 30 H D4 High ‘0’ 30 H D5 Low ‘1’ 31 H Content of address 2101H PLC automatically convert ASCII codes to numerals and store the numeral in D1297 = H1766 D5 High ‘7’ 37 H D6 Low ‘6’ 36 H D6 High ‘6’ 36 H D7 Low ‘0’ 30 H Content of address 2102H PLC automatically convert ASCII codes to numerals and store the numeral in D1298 = H0000 D7 High ‘0’ 30 H D8 Low ‘0’ 30 H D8 High ‘0’ 30 H D9 Low ‘0’ 30 H Content of address 2103H PLC automatically convert ASCII codes to numerals and store the numeral in D1299 = H0000 D9 High ‘0’ 30 H D10 Low ‘0’ 30 H D10 High ‘0’ 30 H D11 Low ‘0’ 30 H Content of address 2104H PLC automatically convert ASCII codes to numerals and store the numeral in D1300 = H0136 D11 High ‘1’ 31 H D12 Low ‘3’ 33 H D12 High ‘6’ 36 H D13 Low ‘0’ 30 H Content of address 2105H PLC automatically convert ASCII codes to numerals and store the numeral in D1301 = H0000 D13 High ‘0’ 30 H D14 Low ‘0’ 30 H D14 High ‘0’ 30 H D15 Low ‘3’ 33 H LRC CHK 1 D15 High ‘B’ 42 H LRC CHK 0 Register DATA Explanation D1256 Low 01 H Address D1257 Low 03 H Function D1258 Low 21 H Starting Data Address D1259 Low 00 H D1260 Low 00 H Number of Data (counted by words) D1261 Low 06 H D1262 Low CF H CRC CHK Low D1263 Low F4 H CRC CHK High Register DATA Explanation D0 Low 01 H Address D1 Low 03 H Function D2 Low 0C H Number of Data (byte) D3 Low 00 H Content of address 2100H PLC automatically convert ASCII codes to numerals and store the numeral in D1296 = H0000 D4 Low 00 H D5 Low 05 H Content of address 2101H PLC automatically convert ASCII codes to numerals and store the numeral in D1297 = H0503 D6 Low 03 H D7 Low 0B H Content of address 2102H PLC automatically convert ASCII codes to numerals and store the numeral in D1298 = H0BB8 D8 Low B8 H