Shenzhen Hpmont Technology Co., Ltd Appendix B Communication Protocol
HD20 Series Inverters User Manual －161－
Register
address
Parameter name
Register
address
Parameter name
0x330C Master setting frequency 0x333D The present fault code
0x330D Auxiliary setting frequency
For instance: The register address of function parameter F03.02 is 0x0302, and that of function
parameter F16.01 is 0x1001.
8. Special instruction
1) For the data frame in ASCII mode, if the frame length is an even number, the frame is
abandoned.
2) Group F08 (Asynchronous motor 1 parameter setting), Group F13 (Asynchronous motor 2
parameter setting), Group F17 (SCI communication parameters) and the reserved function
parameters are the inverter parameter which can be read but cannot be modified by the host
computer.
3) F01.00 (user password) cannot be set and adjusted through communication as well, but the
user can verify the user password by writing F01.00 and get access to adjust inverter function
parameters on the host. After adjustment, the user can close the permission by writing invalid
password to F01.00.
4) If many multi-function input terminals are set the same function, it may cause dysfunction.
Therefore, the user should avoid this case when modify the multi-function terminal function via
the MODBUS.
B
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