HV350 Mini Frequency Inverter User Manual
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3. Parameter address
Addres
Name
Addres
Name
Addres
Name
1000H
Status word
1001H
Errorcode
1002 H
Control word
1003H
Frequency setting
1004H
Running
frequency
1005H
Output current
1006H
Output voltage
1007H
DC bus voltage
1008H
Overload rate
1009H
Preset line speed
100AH
Running
line
speed
100BH
Output torque
100CH
PI reference
100DH
PI feedback
100EH
reserved
100FH
Analog input AI1
1010H
Analog
input
AI2
1011H
I/O status
1012H
External counting
value
1013H
PID setting value
4.5 Fault and troubleshooting
If communication fault occurs, the drive will response fault code, and report
function code or 80H to the main control equipment.
For example:
ASCII mode: RTU mode:
Starting character
‗:‘
Slave address
01H
Slave address
‗0‘
Function code
86H
‗1‘
Fault code
02H
Function code
‗8‘
Low byte CRC
C3H
‗6‘
High byte CRC
A1H
Fault code
‗0‘
‗2‘
LRC
‗7‘
‗7‘
End character
CR
LF
Fault code:
01
Function code error:
Function code is invalid. In the protocol, valid function codes are: 03H,