Service manual
www.enc.net.cn/en Tel/Fax:86-755-26984485/26985120 Appendix 3 Serial port RS485 communication protocol
173
(5) checkout sum
Data meanings: frame checkout,4 byte, ASCII.
Calculation method: accumulative sum of ASCII code value of all byte from
“auxiliary device address”to“run data”.
(6) frame end
Hex 0D,single byte.
1.2.6 Protocol command list
Frame 7E and frame end 0D, address, checkout sum,ASCII character format
are omitted in following description.
Table 4 Protocol command table
Name
Main-
frame
order
Auxi-
liary
index
order
index
run dat
a
setting
range
Mainframe sending
example,such as PC
control operation of
inverter(C language
cluster format,auxiliary
device address is set to
01)
run data
precision
description
look up auxiliary
motor state
10 00 00 no ~010A00000192\r 1
Read parameter of auxiliary motor
current set fre
q
. 11 00 00 no ~010B00000193\
r
0.01Hz
current run freq. 11 00 01 no ~010B00010194\
r
0.01Hz
Out
p
ut volta
g
e 11 00 02 no ~010B00020195\
r
1V
Out
p
ut current 11 00 03 no ~010B00030196\
r
0.1A
Bus-
b
ar voltage 11 00 04 no ~010B00040197\
r
1V
Load motor s
p
ee
d
11 00 05 no ~010B00050198\
r
1r
pm
Module tem
p
. 11 00 06 no ~010B00060199\
r
1
0
C
Runtime 11 00 07 no ~010B0007019A\
r
1h
accumulative time 11 00 08 no ~010B0008019B\
r
1h
In
p
ut terminal 11 00 09 no ~010B0009019C\
r
no
output terminal 11 00 0A no ~010B000A01A4
\
r
no
analo
g
in
p
ut VCI 11 00 0B no ~010B000B01A5
\
r
0.01
V
analo
g
in
p
ut YCI 11 00 0C no ~010B000C01A6
\
r
0.01V
analog input CCI 11 00 0D no ~010B000D01A7
\
r
0.01V
exterior pulse
input
11 00 0E
no
~010B000E01A8\r 0.01Hz
read inverter state 11 00 0F no ~010B000F01A9\
r
no
Run control and adjusting function
auxiliary device
run command
12 00 00
no
~010C00000194\r
no
set current run
frequency
provision of
auxiliar
y
device
12 00 01
0Hz~high
limit freq.
~010C00010FA0027C\r 0.01Hz
Set freq.
=40.00Hz
auxiliary device
run with run freq.
provision
12 00 02
0Hz~ high
limit freq.
~010C00020FA0027D\r 0.01Hz
auxiliary
device run
set freq.
=40.00Hz
auxiliary device
forward run
12 00 03 no ~010C00030197\r no