hpmont HD20 Series, User Manual, Page: 179 / 183

Appendix B Communication Protocol Shenzhen Hpmont Technology Co., Ltd
―
164
―
HD20 Series Inverters User Manual
10. Application case
Remarks: Please verify all the hardware equipments are connected well before controlling the
inverter via communication. In addition, please preset the communication data format, baud rate
and communication address
1. To read the command frame of the maximum output frequency of Slave 2 (to read F00.06)
Address Code Register address Word no. of read Checksum
0x02 0x03 0x00 0x06 0x00 0x01 0x64 0x38
Corresponding answer frame (F00.06=50.00Hz):
Address Code Answer byte Register content Checksum
0x02 0x03 0x02 0x13 0x88 0XF1 0x12
2. To read the DC bus voltage of Slave 2 (to read status parameter)
Address Code Register address Word no. of read Checksum
0x02 0x03 0x33 0x19 0x00 0x01 0x5A 0xBA
Corresponding answer frame (the DC bus voltage is 537V)
Address Code Answer byte Register content Checksum
0x02 0x03 0x02 0x02 0x19 0x3C 0xEE
3. To read the setting frequency of Slave 2 (set F00.13 to 45.00Hz)
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0D 0x11 0x94 0x15 0xC5
Corresponding answer frame:
Address Code Register address Register content Checksum
0x02 0x06 0x00 0x0D 0x11 0x94 0x15 0xC5
4. When the frequency setting source F00.10 = 2, set the frequency value to 45.00Hz by writing
the register address 0x3201.
Address Code Register address Register content Checksum
0x02 0x41 0x32 0x01 0x11 0x94 0x6F 0x71
Corresponding answer frame:
Address Code Register address Register content Checksum
0x02 0x41 0x32 0x01 0x11 0x94 0x6F 0x71