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Network Communication
Start address high
Start address low
High number of data
Low number of data
CRC CHK low
CRC CHK high
END
RTU slave response information (normal):
START
Slave address
Command code
Low number of bytes
Data address 2100H high
Data address 2100H low
Data address 2101H high
Data address 2101H low
Data address 2102H high
Data address 2102H low
CRC CHK low
CRC CHK high
END
RTU slave response information (when abnormal):
START
Slave address
Command code
error code
CRC CHK low
CRC CHK high
END
Write slave parameter command code: 06H, write a word data (Word) into the specified data address, which can be used to modify the drive parameter
value.
For example: Write 5000 (1388H) to the 3000H address of the slave address 1 drive. The structure of the frame is described as follows:
RTU host command information:
START
Slave address
Command code
Write data address high
Write data address low
High data content
Low data content
CRC CHK low
CRC CHK high
END
RTU slave response information (normal):
START
Slave address
Command code
Write data address high
Write data address low
High data content
Low data content
CRC CHK low
CRC CHK high
END
AC10 Series Frequency Inverter Technical Manual
21H
00H
00H
03H
0FH
F7H
3.5 bytes of transmission time
3.5 bytes of transmission time
01H
03H
06H
13H
88H
00H
00H
00H
00H
90H
A6H
3.5 bytes of transmission time
3.5 bytes of transmission time
01H
83H
04H
40H
F3H
3.5 bytes of transmission time
3.5 bytes of transmission time
01H
06H
30H
00H
13H
88H
8BH
9CH
3.5 bytes of transmission time
3.5 bytes of transmission time
01H
06H
30H
00H
13H
88H
8BH
9CH
3.5 bytes of transmission time
34
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