Appendix C Communication Protocol Shenzhen Hpmont Technology Co., Ltd
―166― HD30 Series Inverters User Manual
Control word (Bit) Value Definition Function description
Bit13-Bit15 0 Reserved
Definition of virtual terminal control setting word:
Control word (Bit) Value Definition
Bit0 0 DO1 output is disabled
1 DO1 output is enabled
Bit1 0 DO2 output is disabled
1 DO2 output is enabled
Bit2 0 RLY1output is disabled
1 RLY1 output is enabled
Bit3 0 RLY2 output is disabled
1 RLY2 output is enabled
Bit4 0 RLY3 output is disabled
1 RLY3 output is enabled
Bit5 0 RLY4 output is disabled
1 RLY4 output is enabled
Bit6 0 RLY5 output is disabled
1 RLY5 output is enabled
Bit7 0 RLY6 output is disabled
1 RLY6 output is enabled
Bit8 0 RLY7 output is disabled
1 RLY7 output is enabled
Bit9 0 RLY8 output is disabled
1 RLY8 output is enabled
Bit10 0 RLY9 output is disabled
1 RLY9 output is enabled
Bit11 0 RLY10 output is disabled
1 RLY10 output is enabled
Bit12-Bit15 Reversed Reversed
2. Status parameter
Inverter status parameter intergroup index is as following table:
Register
address
Parameter name
Register
address
Parameter name
0x3300
Inverter’s series
0x331A
Input voltage of display panel
potentiometer
0x3301 Software version of the U1 0x331B AI1 input voltage
0x3302 Reversed 0x331C AI1 input voltage (after disposal)
0x3303
Non-standard software version
of the U1
0x331D
AI2 input voltage