13
Analysis of this data:
01H is the inverter address
03H is the read function code
2102H is the starting address
0002H is the number of read addresses, and 2102H and 2103H
076FH is a 16-bit CRC validation code
The Response information frame format (return frame)
Address
01H
Function
03H
DataNum*2
04H
Data1[2Byte]
17H
70H
Data2[2Byte]
00H
00H
CRC CHK Low
FEH
CRC CHK High
5CH
Analysis of this data:
01H is the inverter address
03H is the read function code
04H is the product of reading item *2
1770H reads the data of 2102H (set frequency)
0000H is the data of reading 2103H (output frequency)
5CFEH is a 16-bit CRC check code
6. 06H write function mode
Inquiry information frame format:
Address
01H
Function
06H
Starting data address
20H
00H
Data(2Byte)
00H
01H
CRC CHK Low
43H
CRC CHK High
CAH
Analysis of this data:
01H is the inverter address
06H is the write function code
2000H is the control command address
0001H is the stop command
43CAH is a 16-bit CRC validation code