V5 series inverter
94
02H
02H
Data
13H
Data
13H
88H
88H
CRC CHECK Low
25H
CRC CHECK Low
25H
CRC CHECK High
5CH
CRC CHECK High
5CH
(3)
Command mode: 08H circuit test
This command is used to test if the communication between the device (master) and inverter (slave) is
normal. Inverter will send the data to control device.
RTU mode:
Request mode
Response mode
Address
01H
Address
01H
Function code
08H
Function code
08H
Data
01H
Data
01H
02H
02H
03H
03H
04H
04H
CRC CHECK Low
41H
CRC CHECK Low
41H
CRC CHECK High
04H
CRC CHECK High
04H
(4) Function code 10H: write multi-group data to the register
Note: V5/VB5 inverters only support one pack of data write in.
For example: write P0.06=50.00Hz in inverter address 01H.
RTU mode:
Inquiry information format
Reply information format
address
01H
address
01H
Function code
10H
Function code
10H
Register address
00H
Register address
00H
06H
06H
Register quantity
00H
Register quantity
00H
01H
01H
Byte quantity
02H
Data
13H
88H
CRC CHECK Low
ABH
CRC CHECK Low
E1H
CRC CHECK High
60H
CRC CHECK High
C8H
5. Parity code
RTU mode: Double bytes hex number
CRC field has two bytes 16-bit binary number. It is added to the message after calculating by sending
terminal. The low byte is added at first, and then is the high byte. CRC high byte is the last byte to be