Veichi JT550 Series Manual page 131

JT550 Series Inverter Manual
When Fd.05 is 0 (Non-Standard Modbus Protocol):
When Fd.05 is 1 (Standard Modbus Protocol):
2) Command Code 06H. Write 1 word.
Function: Write the data of a word to the designated data address in order to modify the parameters
of inverter.
For example: Write 5000(1388H) to the address F00A ([F0.10]) of Inverter (Slave address: 01H).
This frame is described as the following:
Host Command Information:
Slave Response Information:
ADR
CMD
Byte Count High Bit
Byte Count Low Bit
F003H High Bit
F003H Low Bit
CRC CHK Low Bit
CRC CHK High Bit
ADR
CMD
Byte Count Low Bit
F003H High Bit
F003H Low Bit
CRC CHK Low Bit
CRC CHK High Bit
ADR
CMD
Data Address High Bit
Data Address Low Bit
Data Content High Bit
Data Content Low Bit
CRC CHK Low Bit
CRC CHK High Bit
ADR
CMD
Data Address High Bit
Data Address Low Bit
Data Content High Bit
Data Content Low Bit
CRC CHK Low Bit
CRC CHK High Bit
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Chapter 7 Maintenance and Troubleshooting
01H
03H
00H
02H
00H
04H
E5
C9
01H
03H
02H
00H
04H
B9
87
01H
06H
F0H
0AH
13H
88H
CRC CHK's value to be
calculated
01H
06H
F0H
0AH
13H
88H
97
9E