hpmont HD09 Series, User Manual, Page: 73 / 88

Chapter 9 MODBUS Communication Protocol Shenzhen Hpmont Technology Co., Ltd.
-68- HD09 Series User Manual V1.1
9.6 Application Examples
When using the communication to control the inverter, please make sure the hardware connection is
correct. At the same time, set the communication data format, baud rate and communication address
of the inverter correctly.
1. Slave 2 frequency setting should be changed in communication setting
Request
frame
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0A 0x00 0x02 0x28 0x3A
Response
frame
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0A 0x00 0x02 0x28 0x3A
2. Write slave 2 set the operating frequency, power-down save (such as: set the operating frequency of
45.00Hz), register contents0x11,0x94
Request
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x01 0x11 0x94 0xDB 0x7E
Response
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x01 0x11 0x94 0xDB 0x7E
3. The command channel (F00.11) changes to the communication giving
Request
frame
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0B 0x00 0x02 0x79 0xFA
Response
frame
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0B 0x00 0x02 0x79 0xFA
4. The forward run of slave 2
Request
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x00 0x10 0x01 0x4B 0x41
Response
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x00 0x10 0x01 0x4B 0x41
5. Reserve run of slave 2
Request
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x00 0x10 0x03 0xCA 0x80
Response
frame
Address Code Register address Register content Checksum
0x02 0x06 0x32 0x00 0x10 0x03 0xCA 0x80