99
Take the following as examples:
Read function code P1.02 :
01H , 03H , 01H , 02H , 00H , 01H , CRC1 , CRC2
Read the reference frequency of inverter :
01H , 03H , 21H , 02H , 00H , 01H , CRC1 , CRC2
Write function code P1.02 , the write value is 1
01H , 06H , 01H , 02H , 00H , 01H , CRC1 , CRC2
Running command :
Set frequenc command via port
Read inverter ’ s fault parameter
BIT0 : stop indicate , 0 : Stop ; 1 : Run
BIT1: ,1 : low voltage ; 0 : norm al
BIT2: forward/reverse indicate ,1 : forward ; 0 : reverse
BIT3: jog indicate 1 : jog ; 0 : no ne
BIT4: close loop control selection , 1 : close loop ; 0 : n o ne
BIT5: traverse mode running flag , 1 : traverse ; 0 : no ne
BIT6:PLC running flag , 1 : PLC running , 0 : no
BIT7: Multi-speed running flag of terminals , 1 : Multi-speed ; 0 : non e
BIT8: Common running flag , 1 : common running ; 0 : no
BIT9: Main frequency from communication interface , 1 : yes ; 0 : no
BIT10: Analog input from main frequency , 1 : yes ; 0 : no
BIT11: Running command from communication interface , 1 : yes ; 0 : no
BIT12: Password protection for parameters , 1 : yes ; 0 : no
Read inverter ’ s reference frequency
Read inverter ’ s output frequency
Read inverter ’ s output current
Read inverter ’ s bus voltage
Read inverter ’ s output voltage
Read inverter ’ s software version
Inverter responses to the data
( When use Modbus address, the nn must be turned into hex )
Data be wrote in the inverter
( When use Modbus address, the nn must be turned into hex )