V5 series inverter
93
START
Keep no signal input > =10ms
Address
Communication address: 8-bit binary address
Function
Function code: 8-bit binary address
DATA (n - 1)
Data:
N*8-bit data, N< =8, Max=8 bit
……………
DATA 0
CRC CHK Low
CRC parity code
CRC CHK High
16-bit CRC parity code is combined by 2 8-bit binary value
END
Keep no signal I/O > =10ms
2. Communication address:
00H: broadcast for all the inverters
(
broadcast
)
01H: communicate with the inverter addressed 01
0FH: communicate with the inverter addressed 15
10H: communicate with the inverter addressed 16
………., max can reach 254
(
FEH
)
3. Function code and Data:
Function code
Explanation
03H
Read register, read multi-register once (register less than 31), can read the same group of data every
time
06H
Write data to register
08H
Circuit test
10H
Write multi-group data to register
(1)
Function code 03H: read register
For example: Read address 2104H (Output current
)
RTU Mode:
Request mode
Response mode
Address
01H
Address
01H
Function code
03H
Function code
03H
Register address
21H
Byte No.
02H
04H
Register No.
00H
Dada
00H
01H
00H
CRC CHECK Low
CFH
CRC CHECK Low
B8H
CRC CHECK High
F7H
CRC CHECK High
44H
(2)
Function code 06H: Write to register
For example: 01H, write function code P0.02=50.00HZ
.
RTU Mode:
Request mode
Response mode
Address
01H
Address
01H
Function code
06H
Function code
06H
Register address
00H
Register address
00H