hpmont HD20 Series User Manual

Shenzhen Hpmont Technology Co., Ltd Appendix B Communication Protocol
HD20 Series Inverters User Manual －157－
Subfunction
code
Data (command) Data (response) Subfunction meanings
group no. occupies the
higher byte, and the
lower byte is “00”.
no. occupies the higher byte,
and the lower byte is “00”.
parameter group no.
0x0005
The function parameter
group no. occupies the
higher byte, and the
lower byte is “00”.
Previous function parameter
group no. occupier the higher
byter, and the lower byte is
“00”.
To read previous function
parameter group no.
0x0006 0x3300
The status parameter index at
current displaying.
To read status parameter
index at current display.
0x0007 0x3300
The parameter index at next
status.
To display next status
parameter.
0x0008
The parameter group no.
and intergroup index
occupy the higher and
lower bytes respectively.
Factory default.
To read factory default of
function parameter.
(Unsupported this operation in
status and control
parameters)
The function parameter characteristics are 2-byte, with definition shown as below:
Characteristics (Bit) Value Definition
Bit0
0B To modify the upper limit as per character restriction.
1B To modify the upper limit as per 4-byte restriction.
Bit2－Bit1
00B without decimal fraction
01B 1 decimal fraction
10B 2 decimal fraction
11B 3 decimal fraction
Bit5－Bit3
001B To display length 1
010B To display length 2
011B To display length 3
100B To display length 4
101B To display length 5
Reserved
Bit7－Bit6
00B Actual parameters, unchangeable
01B Changeable
10B Unchangeable in running status
11B
Set by the manufacturer. The users are not allowed to
make any modification.
Bit12－Bit8
00000B Without char
00001B Unit is Hz
00010B Unit is A
00011B Unit is V
00100B Unit is rpm
00101B Unit is %
Reserved
B

hpmont HD20 Series Specifications

General

Brand	hpmont
Model	HD20 Series
Category	Inverter
Language	English