Shenzhen Hpmont Technology Co., Ltd Appendix B Communication Protocol
HD20 Series Inverters User Manual -159-
Definition of inverter control command words:
Control word (Bit) Value Definition Function description
Bit0
1 Run command enabled
To control the inverter’s starting and
stop (in edge triggering mode)
0 Run command disabled
Bit1
0 Forward
Running direction: have the same
function as terminal FWD/ REV
1 Reverse
Bit2
1 Stop mode: Decelerate to stop
Decelerate to stop the inverter (in
edge triggering mode)
0 Reserved
Bit3
1 Stop mode: emergency to stop
Emergency to stop the inverter (in
edge triggering mode)
0 Reserved
Bit4
1 Stop mode: coast to stop
Coast to stop the inverter (in edge
triggering mode)
0 Reserved
Bit5
1 Stop mode: external fault
External fault stop control, the inverter
will coast to stop, displaying external
fault
0 Reserved
Bit6
1 Jog forward run Jog forward control
0 Jog forward stop
Bit7
1 Jog reverse run Jog reverse control
0 Jog reverse stop
Bit8
1 Fault reset enabled Fault reset control
0 Fault reset disabled
Bit9 0 Reserved
Bit10 0 Reserved
Bit11 0 Reserved
Bit12
1 Current control enabled
The current sending control word is
valid
0 Current control disabled
The current sending control word is
valid
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-Bit15 Reversed Reversed
B